WO2023093282A1 - Display panel, display apparatus, and preparation method for display panel - Google Patents

Display panel, display apparatus, and preparation method for display panel Download PDF

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Publication number
WO2023093282A1
WO2023093282A1 PCT/CN2022/121914 CN2022121914W WO2023093282A1 WO 2023093282 A1 WO2023093282 A1 WO 2023093282A1 CN 2022121914 W CN2022121914 W CN 2022121914W WO 2023093282 A1 WO2023093282 A1 WO 2023093282A1
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WO
WIPO (PCT)
Prior art keywords
unit
material layer
support
emitting unit
light
Prior art date
Application number
PCT/CN2022/121914
Other languages
French (fr)
Chinese (zh)
Inventor
王金华
黄秀颀
王程功
崔永鑫
Original Assignee
成都辰显光电有限公司
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Publication of WO2023093282A1 publication Critical patent/WO2023093282A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
    • H01L2933/0008—Processes
    • H01L2933/0033—Processes relating to semiconductor body packages
    • H01L2933/0066—Processes relating to semiconductor body packages relating to arrangements for conducting electric current to or from the semiconductor body

Definitions

  • the present application relates to the technical field of display devices, and in particular to a display panel, a display device, and a method for preparing a display panel.
  • Micro Light-Emitting Diode is a device with a size ranging from a few microns to hundreds of microns. Because it is much smaller than ordinary Light-Emitting Diode (LED), it can It is possible to use a single LED as a pixel (Pixel) for display.
  • a Micro LED display is a display that uses a high-density Micro LED array as a display pixel array to display images.
  • Embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel, aiming at improving the display effect of the display panel.
  • the embodiment of the first aspect of the present application provides a display panel, including: a substrate; a light-emitting unit disposed on the substrate, the light-emitting unit includes a contact electrode, and the light-emitting unit emits light toward the substrate; a driving electrode is located on a side of the contact electrode facing the substrate side; a supporting unit with a supporting surface, the supporting surface extends between the contact electrode and the driving electrode; connecting wires, connecting the contact electrodes and the driving electrodes, at least part of the connecting wires are supported on the supporting surface, and along the contact electrode to the driving electrode The direction extends obliquely.
  • the embodiment of the second aspect of the present application further provides a display device, including the display panel of the above-mentioned embodiment of the first aspect.
  • the embodiment of the third aspect of the present application also provides a method for manufacturing a display panel, including:
  • the light-emitting unit is arranged on the surface of the substrate, and the light-emitting unit and the driving electrode are located on the same side of the substrate, the light-emitting unit includes a contact electrode, and the light-emitting unit emits light toward the substrate;
  • a support material layer is provided on the side where the light-emitting unit is located, and the support material layer is patterned to form a support unit with a support surface;
  • a metal material layer is formed on the supporting unit, and the metal material layer is patterned to form a connecting wire, which connects the contact electrode and the driving electrode, and at least part of the connecting wire extends obliquely along the direction from the contact electrode to the driving electrode.
  • the display panel provided in the embodiment of the present application includes a substrate, a light emitting unit disposed on the substrate, a supporting unit, driving electrodes and connecting wires.
  • the light-emitting unit emits light toward the substrate, so the non-light-emitting side of the light-emitting unit can be connected to the contact electrode and the driving electrode through a connecting wire, which will not affect the light emission of the display panel, and can effectively improve the light emission effect of the display panel.
  • the connecting wire connects the contact electrode and the driving electrode along an inclined path.
  • the wiring of the connecting wire can be simplified, and on the other hand, the length of the connecting wire can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire, improves the stability of the connecting wire, and improves the stability of the connecting wire.
  • the display panel provided by the embodiment of the present application includes a substrate, a driving electrode disposed on the substrate, a light emitting unit, a supporting unit and connecting wires. Since the light-emitting unit emits light toward the substrate, the side of the light-emitting unit away from the substrate is the non-light-emitting side, so structures such as wiring and chips can be directly arranged on the non-light-emitting side of the light-emitting unit, without wiring on the side of the substrate of the display panel.
  • the splicing seam between two adjacent display panels can be reduced, and the display effect of the spliced display screen can be effectively improved.
  • FIG. 1 is a top view of a display panel provided by an embodiment of the present application.
  • Fig. 2 is the sectional view of A-A place among Fig. 1;
  • Fig. 3 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 4 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment
  • Fig. 5 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 6 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 7 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 8 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 9 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 10 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 11 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment
  • Fig. 12 is a top view of a partial layer structure of a display panel provided by an embodiment of the present application.
  • Fig. 13 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
  • Fig. 14 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
  • Fig. 15 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 16 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 17 is a partial schematic diagram of Fig. 2;
  • Fig. 18 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment
  • Fig. 19 is a cross-sectional view at A-A in Fig. 1 in another embodiment
  • Fig. 20 is a cross-sectional view at A-A in Fig. 1 in another implementation
  • Fig. 21 is a partial structural schematic diagram of Fig. 20;
  • Figure 22 is a top view of Figure 21;
  • Fig. 23 is a schematic structural view of another part in Fig. 20;
  • FIG. 24 is a top view of FIG. 23 .
  • Fig. 25 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment of the present application;
  • FIG. 26 is a schematic flowchart of a method for manufacturing a display panel provided in an embodiment of the present application.
  • the display panel, the display device and the manufacturing method of the display panel according to the embodiment of the present application will be described in detail below with reference to FIG. 1 to FIG. 26 .
  • FIG. 1 is a top view of a display panel provided by an embodiment of the present application
  • FIG. 2 is a cross-sectional view at A-A in FIG. 1 .
  • the display panel provided by the embodiment of the first aspect of the present application includes: a substrate 1 , a light emitting unit 2 disposed on the substrate 1 , a driving electrode 4 , a supporting unit 31 and connecting wires 5 .
  • the light-emitting unit 2 includes a contact electrode 21, and the light-emitting unit 2 emits light toward the substrate 1; the drive electrode 4 is located on the side of the contact electrode 21 facing the substrate 1; a support unit 31 is provided with a support surface, and the support surface is between the contact electrode 21 and the drive electrode 4
  • the connecting wire 5 connects the contact electrode 21 and the driving electrode 4 , and at least part of the connecting wire 5 extends obliquely in the direction from the contact electrode 21 to the driving electrode 4 .
  • the connecting wire 5 When the connecting wire 5 is arranged to extend obliquely, the connecting wire 5 may extend obliquely along a straight line, an arc, or a step bending track.
  • the display panel includes a substrate 1 , a light emitting unit 2 disposed on the substrate 1 , a supporting unit 31 , driving electrodes 4 and connecting wires 5 .
  • the light-emitting unit 2 emits light toward the substrate 1, so the contact electrode 21 and the driving electrode 4 can be connected through the connecting wire 5 from the non-light-emitting side of the light-emitting unit 2, without affecting the light emission of the display panel, and can effectively improve the light emission effect of the display panel.
  • the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4 along an inclined path, on the one hand, the wiring of the connecting wire 5 can be simplified, and on the other hand, the length of the connecting wire 5 can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire 5 and improves the connection.
  • the stability of the wire 5 can improve the defect of the display panel caused by the disconnection of the connecting wire 5 . Therefore, the embodiment of the present application can improve the luminous effect of the display panel and the yield of the display panel.
  • the substrate 1 may include a substrate layer and a driving layer disposed on the substrate layer, and the substrate layer may be made of a transparent material to improve the luminous efficiency of the display panel. Hard materials such as glass can also be selected for the substrate layer, and flexible materials such as polyimide can also be selected for the substrate layer.
  • the driving layer includes a driving circuit, and the driving circuit may include driving transistors, signal lines, and the like. The source and drain electrodes of at least one driving transistor are connected to the driving electrode 4 , so that the driving circuit can drive the light emitting unit 2 to emit light through the driving electrode 4 .
  • the light emitting unit 2 is a Micro-LED, Mini LED, ⁇ LED, etc., for example, the light emitting unit 2 is a flip-chip Micro-LED.
  • the supporting unit 31 can be made of organic transparent material, for example, the supporting unit 31 can be made of polyimide or the like, so as to increase the light transmittance of the supporting unit 31 and improve the light extraction efficiency of the display panel.
  • the supporting unit 31 may be a solid or hollow structure, as long as the supporting unit 31 is provided with a supporting surface.
  • FIG. 3 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the support unit 31 is hollow, and at least part of the sides of the light emitting unit 2 are not in contact with the support unit 31 .
  • the connecting wire 5 can be made of metal material.
  • the connecting wire 5 can be made of reflective metal materials such as gold, silver, magnesium, etc., so that the connecting wire 5 can reflect the light emitted by the light emitting unit 2, which can further improve the light extraction efficiency of the display panel and improve the brightness of the display panel. display effect.
  • the connecting wire 5 there are many ways to extend the connecting wire 5 obliquely.
  • at least part of the connecting wire 5 is inclined along a linear trajectory. Extending, the linear trajectory may extend obliquely in a direction away from the light emitting unit 2 .
  • the straight track is relatively short, which can further reduce the extension path of the connecting wire 5 and shorten the signal transmission path between the contact electrode 21 and the driving electrode 4 .
  • FIG. 4 is a sectional view at A-A in FIG. 1 in another embodiment
  • FIG. 5 is a sectional view at A-A in FIG. 1 in another embodiment.
  • the connecting wire 5 extends along an arc-shaped track, and the tangent of the arc-shaped track can be along a direction away from The direction of the lighting unit 2 extends obliquely.
  • the connecting wire 5 is formed along an arc-shaped path, and the arc-shaped path is easier to prepare and shape.
  • the arc-shaped track when the connecting wire 5 is extended and formed along an arc-shaped track, the arc-shaped track can be protruded in a direction away from the substrate 1 . Or, as shown in FIG. 5 , the arc track can be concavely formed along the direction close to the substrate 1 .
  • FIG. 6 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the connecting wire 5 can also be extended and shaped along a stepped bent track. As long as the connecting wire 5 is generally inclined in a direction close to the driving electrode 4 and away from the light emitting unit 2 along the direction from the contact electrode 21 to the driving electrode 4 . That is, along the direction from the contact electrode 21 to the driving electrode 4 , the connecting wire 5 extends obliquely in a direction close to the driving electrode 4 and away from the light emitting unit 2 .
  • the driving electrode 4 may be disposed on the surface of the substrate 1 , and the driving electrode 4 and the light emitting unit 2 are located on the same surface of the substrate 1 .
  • the driving electrode 4 can be made of a material with high light transmittance, for example, the material of the driving electrode 4 can include indium tin oxide.
  • the light emitting unit 2 includes a bottom surface facing the substrate 1, a top surface facing away from the substrate 1, and a side surface connecting the top surface and the bottom surface.
  • the location of the contact electrode 21 can be arranged in various ways, for example, the contact electrode 21 can be arranged on the top surface or the side of the light emitting unit 2 .
  • the contact electrode 21 is located on the side of the light emitting unit 2 away from the substrate 1 , that is, the contact electrode 21 is located on the top surface of the light emitting unit 2 .
  • the contact electrode 21 When the contact electrode 21 is located on the top surface of the light emitting unit 2, the contact electrode 21 can be spaced apart from the side of the light emitting unit 2, that is, the contact electrode 21 and the side of the light emitting unit 2 are on the top surface of the light emitting unit 2. There is a preset distance in one direction (X direction in FIG. 2 ). In order to ensure the stability of the relative position of the contact electrode 21 and the light emitting unit 2 .
  • the supporting surface further includes a first surface 311 located on the side of the light emitting unit 2 away from the substrate 1, at least part of the connecting wires 5 can be supported on the first surface 311.
  • FIG. 7 is a cross-sectional view at A-A in FIG. 1 in yet another embodiment.
  • the contact electrode 21 when the contact electrode 21 is located on the top surface of the light emitting unit 2 , the contact electrode 21 is spaced from the side of the light emitting unit 2 .
  • the supporting unit 31 and the light emitting unit 31 have the same thickness, and part of the connecting wire 5 is located on the surface of the light emitting unit 2 away from the substrate 1, and the connection The wire 5 is connected to the contact electrode 21 on the top surface of the light emitting unit 2 .
  • FIG. 8 and FIG. 9 are cross-sectional views at A-A in FIG. 1 in another embodiment.
  • the contact electrode 21 When the contact electrode 21 is located on the top surface of the light emitting unit 2 , the contact electrode 21 may be located on the side end of the top surface close to the side, that is, the contact electrode 21 may be disposed close to the side of the light emitting unit 2 in the first direction X.
  • the connecting wire 5 can be connected to the contact electrode 21 on the supporting surface, which can reduce the extension length of the connecting wire 5 .
  • the supporting unit 31 is in the thickness direction (Z direction in Figure 8)
  • the extension dimension above is less than or equal to the extension dimension of the light emitting unit 2 in the thickness direction Z, so that the surface of the light emitting unit 2 facing away from the substrate 1 can be exposed by the supporting unit 31 .
  • the contact electrodes 21 are located on the surface of the light emitting unit 2 away from the substrate 1 , so that the supporting unit 31 will not cover the contact electrodes 21 and will not affect the interconnection between the contact electrodes 21 and the connecting wires 5 .
  • the extension dimensions of the support unit 31 and the light emitting unit 2 in the thickness direction Z are the same, That is, the support unit 31 covers the side surfaces of the light emitting unit 2 .
  • the maximum extension dimension of the supporting unit 31 in the thickness direction Z is larger than the light emitting unit.
  • the largest dimension of the unit 2 in the thickness direction Z, the contact electrode 21 is exposed from the surface of the support unit 31 away from the substrate 1 , and the connecting wire 5 is directly connected to the contact electrode 21 on the support surface.
  • the supporting surface includes a peripheral side 312 disposed around at least part of the light emitting unit 2 , along the direction from the contact electrode 21 to the driving electrode 4 , the peripheral side 312 is away from The direction of the light emitting unit 2 extends obliquely, and at least part of the connecting wires 5 are supported on the peripheral side surface 312 .
  • the connecting wire 5 can be directly deposited on the peripheral side 312 , which facilitates the preparation and molding of the connecting wire 312 .
  • the peripheral side surface 312 is a closed ring structure surrounding the light emitting unit 2, for example, the peripheral side surface 312 is in the shape of a cone, a pyramid, etc., and in the direction close to the substrate 1, the support unit 31 gradually increases along the cross-sectional dimension perpendicular to the thickness direction Z. increase.
  • the cross section of the peripheral side 312 is linear, so that the peripheral side 312 can provide a straight track for the connecting wire 5 .
  • the peripheral side surface 312 may be in the shape of a cone or a pyramid.
  • the cross-section of the peripheral side 312 when at least part of the connecting wire 5 extends along an arc-shaped trajectory, the cross-section of the peripheral side 312 is arc-shaped, so that the peripheral side 312 can provide an arc to the connecting wire 5 type track.
  • the connecting wire 5 protrudes away from the substrate 1
  • the cross section of the peripheral side 312 protrudes away from the substrate 1
  • the peripheral side 312 may be a part of the spherical outer surface.
  • the connecting wire 5 when the connecting wire 5 is recessed toward the substrate 1 , the cross section of the peripheral side 312 is concave along the direction toward the substrate 1 , and the peripheral side 312 may be a part of the spherical inner surface.
  • the peripheral side 312 when at least part of the connecting wire 5 is extended and formed along the step-bending track, the peripheral side 312 is extended and formed along the step-bending track, so that the peripheral side 312 can provide the connecting wire 5 with a step bend. folding track.
  • the connecting wire 5 can extend from the peripheral side 312 to the top surface of the light emitting unit 2 .
  • the connecting wire 5 can be directly connected to the contact electrode 21 through the peripheral side 312 .
  • the connecting wire 5 can be directly connected to the contact electrode 21 through the peripheral side 312 .
  • FIG. 10 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the size of the support unit 31 is relatively large
  • the peripheral side 312 is spaced apart from the top surface of the light emitting unit 2 in the first direction X
  • the connecting wire 5 extends from the surface of the support unit 31 away from the substrate 1 to the side of the light emitting unit 2 away from the substrate 1 .
  • FIG. 11 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the contact electrode 21 is located on the side of the light emitting unit 2 in the first direction X, and the contact electrode 21 is exposed by the support unit 31, and the connecting wire 5 connects the contact electrode 21 and the driving electrode on the peripheral side 312 4.
  • the contact electrode 21 is located on the side of the light-emitting unit 2, which can reduce the distance between the contact electrode 21 and the driving electrode 4, and reduce the length of the connecting wire 5. On the one hand, it can save materials. On the other hand, the stability of the connection between the contact electrode 21 and the driving electrode 4 can also be improved.
  • the contact electrode 21 may be exposed from the support unit 31 , for example, an opening for exposing the contact electrode 21 may be provided on the support unit 31 .
  • the contact electrode 21 is located on the side of the light emitting unit 2 in the first direction X, and the distance between the contact electrode 21 and the substrate 1 is greater than or equal to the maximum extension dimension of the support unit 31 in the thickness direction Z, that is, the support The unit 31 extends from the substrate 1 to the side of the contact electrode 21 facing the substrate 1 , and the support unit 31 is not higher than the contact electrode 21 , so that the contact electrode 21 can be exposed by the support unit 31 .
  • the support unit 31 can be set at the same thickness as the light emitting unit 2, as shown in FIG. 4 to FIG. 7;
  • the thickness of the unit 31 may be smaller than the thickness of the light emitting unit 2, as shown in Figure 10; or, in other optional embodiments, the thickness of the supporting unit 31 may be greater than the thickness of the light emitting unit 2, as shown in Figure 2 and Figure 3,
  • the support unit 31 may also include a first surface 311 located on the side of the light emitting unit 2 away from the substrate 1, the peripheral side 312 is connected to the peripheral side of the first surface 311, and part of the connecting wire 5 is located on the first surface 311 and connected between the first surface 311 and the first surface 311.
  • the contact electrodes 21 are connected to each other.
  • the support unit 31 when the support unit 31 has a first surface 311, and the maximum thickness of the support unit 31 is greater than the thickness of the light emitting unit 2, the support unit 31 is provided with a second opening 33 communicating with the first surface 311 , the contact electrodes 21 are connected to each other by the second opening 33 and the connecting wire 5 .
  • the connecting wire 5 can extend into the second opening 33 to be in contact with the contact electrode 21 , and the connecting wire 5 extends from the first surface 311 and extends through the peripheral side 312 to the end of the peripheral side 312 to connect with the driving electrode 4 .
  • the number of light emitting units 2 is multiple
  • the number of support units 31 is multiple
  • each support unit 31 is arranged around each light emitting unit 2, and the number of adjacent two support units 31
  • a first opening 32 is formed between them, and at least part of the driving electrodes 4 are connected to the connection wire 5 through the first opening 32 .
  • at least part of the driving electrode 4 is exposed from the side of the peripheral side surface 312 facing away from the contact electrode 21 . That is, the driving electrode 4 is located at the end of the peripheral side surface 312 away from the contact electrode 21 , and at least part of the driving electrode 4 is not blocked by the supporting unit 31 .
  • the driving electrode 4 is exposed through the first opening 32, that is, the first orthographic projection formed by the driving electrode 4 on the substrate 1 is at least partially misaligned with the second orthographic projection formed by the support unit 31 on the substrate 1 set up.
  • the connecting wire 5 can be directly deposited on the driving electrode 4 exposed by the first opening 32 , which can simplify the connection between the connecting wire 5 and the driving electrode 4 .
  • a metal material layer is directly formed on the support unit 31, so that at least part of the metal The material falls into the first opening 32 and the second opening 33 and is electrically connected to the driving electrode 4 and the contact electrode 21 respectively, and then the metal material layer is patterned to form a connecting wire 5, that is, a connection wire 5 is formed to connect the driving electrode 4 and the contact electrode 21. Connect lead 5.
  • FIG. 12 is a top view of a partial layer structure of a display panel provided by an embodiment of the present application.
  • FIG. 12 schematically shows the relative positional relationship of the layer where the connecting wire 5 is located, the light emitting unit 2 and the driving electrode 4 in a top view.
  • the display panel further includes a reflection unit 6 , at least part of the reflection unit 6 is disposed on the peripheral side 312 and surrounds the light emitting unit 2 , and the reflection unit 6 is used to reflect light emitted by the light emitting unit 2 .
  • the reflective unit 6 can reflect the light emitted by the light emitting unit 2 .
  • the reflective unit 6 is disposed on the peripheral side surface 312, and the peripheral side surface 312 is inclined so that the reflective unit 6 can reflect more light to the substrate 1 and emit it from the substrate 1, thereby improving the light extraction rate of the display panel.
  • FIG. 13 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
  • the reflection unit 6 surrounds and forms a light outlet facing the substrate 1 , and the light output of the light emitting unit 2 may not be uniform, that is, for example, the amount of light irradiated on different positions on the peripheral side surface 312 is different.
  • the reflective unit 6 is also provided with a light-transmitting opening 64.
  • the area where the light-transmitting opening 64 is located will not reflect the light emitted by the light-emitting unit 2.
  • the The uniform light quantity makes the light quantity emitted from the light outlet port more uniform, the light quantity of the display panel is more uniform, and the defect of uneven color rendering of the display panel is improved.
  • the reflective unit 6 includes a first part 6a and a second part 6b, and one of the first part 6a and the second part 6b is provided with a light-transmitting opening 64, so that The difference in the amount of reflected light between the first portion 6a and the second portion 6b is less than or equal to a preset threshold.
  • FIG. 13 shows the boundary line between the first part 6 a and the second part 6 b with a dotted line, and the dotted line does not constitute a structural limitation on the reflective unit 6 of the display panel provided by the embodiment of the present application.
  • the reflective unit 6 can also be divided into the first part 6a and the second part 6b in other ways.
  • the difference in the amount of reflected light between the first part 6a and the second part 6b can be reduced, thereby making the first part
  • the difference in the amount of reflected light between 6a and the second portion 6b is less than or equal to a preset threshold, so as to improve uneven color rendering of the display panel.
  • a preset threshold There are various values of the preset threshold, and the customer can set the value of the preset threshold according to actual needs.
  • both the first part 6a and the second part 6b are provided with light-transmitting openings 64, and by making the number of light-transmitting openings 64 on the first part 6a and the second part 6b different, the number of the first part 6a and the second part 6b is reduced. The reflected light quantity of the two parts 6b is different.
  • Metal materials such as gold, silver, and magnesium can be selected as the material of the reflection unit 6 .
  • the reflective unit 6 can be made of the same material as the connecting wire 5 .
  • the reflecting unit 6 and the connecting wire 5 are arranged on the same layer.
  • the reflective unit 6 can be made of the same material as the connecting wire 5 .
  • the reflective unit 6 and the connecting wire 5 can be formed in the same process step, which can simplify the production of the display panel and improve the production efficiency of the display panel.
  • the reflection unit 6 and the connection wire 5 are arranged on the same layer, the reflection unit 6 can be reused as the connection wire 5 , or the reflection unit 6 and the connection wire 5 can be insulated from each other.
  • FIG. 14 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
  • the driving electrode 4 includes a first driving electrode 41 and a second driving electrode 42
  • the contact electrode 21 includes a first contact electrode 211 and a second contact electrode 212
  • the connecting wire 5 includes a first connecting wire 51 and a second connecting wire 52
  • the first driving electrode 41 and the first contact electrode 211 are connected through the first connecting wire 51
  • the second driving electrode 42 and the second contact electrode 212 are connected through the second connecting wire.
  • the wire 52 is connected, and the reflection unit 6 and the connection wire 5 are arranged on the same layer, and the reflection unit 6 includes a first reflection part 61 and a second reflection part 62 which are insulated from each other.
  • the first reflection part 61 and the second reflection part 62 are insulated from each other and arranged in the same layer as the first connection wire 51 and the second connection wire 52 .
  • the first connecting wire 51 and the second connecting wire 52 may be set smaller to improve the stability of signal transmission between the first connecting wire 51 and the second connecting wire 52 .
  • the reflective unit 6 and the driving electrode 4 are insulated to avoid short-circuit connection between the first driving electrode 41 and the second driving electrode 42 through the reflective unit 6 .
  • the first driving electrodes 41 and the second driving electrodes 42 are distributed at intervals along the first direction X
  • the first contact electrodes 211 and the second contact electrodes 212 are distributed at intervals along the first direction X
  • the first connecting wires 51 are formed by the first
  • the contact electrode 211 is connected to the first driving electrode 41 via the peripheral side surface 312 of the light emitting unit 2 in the first direction X
  • the second connecting wire 52 is connected to the first driving electrode 41 by the second contact electrode 212 via the light emitting unit 2 in the first direction X.
  • the peripheral side surface 312 on the other side is connected to the second driving electrode 42
  • the first connecting wires 51 and the second connecting wires 52 are arranged at intervals along the first direction X.
  • the first reflective portion 61 and the second reflective portion 62 can be separately arranged on both sides of the first connecting wire 51 and the second connecting wire 52 in the second direction (Y direction in FIG. 1 ), and the first reflecting portion 61 and the second There are gaps between the two reflection parts 62 and the first connection wire 51 and the second connection wire 52, so that the first reflection part 61 and the second reflection part 62 can also be connected with the first connection wire 51 and the second connection wire 52. Insulated and set in one layer.
  • the first reflection part 61 is multiplexed as the first connection wire 51
  • the second reflection part 62 is multiplexed as the second connection wire 52 .
  • the reflective unit 6 is divided into a first reflective portion 61 and a second reflective portion 62 that are insulated from each other, and the first reflective portion 61 is connected between the first contact electrode 211 and the first drive electrode 41 to Multiplexed as the first connecting wire 51, the second reflector 62 is connected between the second contact electrode 212 and the second driving electrode 42 to be multiplexed as the second connecting wire 52, which can further simplify the connection between the reflecting unit 6 and the connecting wire 5. preparation to improve the preparation efficiency of the display panel.
  • FIG. 15 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the reflecting unit 6 and the connecting wire 5 are stacked, and an insulating layer 7 is arranged between the reflecting unit 6 and the connecting wire 5 .
  • the reflective unit 6 can be arranged on the side of the connecting wire 5 facing the light emitting unit 2 , or the reflective unit 6 can be arranged on the side of the connecting wire 5 facing away from the light emitting unit 2 .
  • the reflective unit 6 can be made of a material different from that of the connecting wire 5.
  • the reflective unit 6 can be made of a metal material with better reflective performance
  • the connecting wire 5 can be made of a metal material with better electrical conductivity.
  • the reflective unit 6 when the reflective unit 6 is arranged on the side of the connecting wire 5 away from the light-emitting unit 2, the reflective unit 6 can be arranged in a closed ring shape, and the reflective unit 6 can also include a The reflective bottom on one side and the reflective side on the peripheral side 312, the reflective bottom and the reflective side are connected to each other, so that the reflective unit 6 is in the shape of a truncated cone or a truncated pyramid, that is, the reflective unit 6 is in the shape of a bowl with an opening facing the substrate 1 , the light emitting unit 2 is located in the bowl-shaped reflective unit, so that the reflective unit 6 can better reflect the light emitted by the light emitting unit 2 .
  • the reflection unit 6 and the connection wire 5 are arranged in different layers, and the reflection unit 6 is arranged on the side of the connection wire 5 away from the light-emitting unit 2, the setting of the reflection unit 6 does not affect the connection wire 5, so
  • the reflective unit 6 can be arranged in a closed ring around the peripheral side 312 of the support unit, and the reflective unit 6 is a "bowl-shaped" structure without a through hole, so that the reflective unit 6 can reflect more light, effectively improving the light emitting unit 2. Light effect.
  • the insulating layer 7 between the reflective unit 6 and the connecting wire 5 covers the driving electrodes 4 , so as to prevent the short circuit of the driving electrodes 4 caused by the electrical connection between the reflective unit 6 and the driving electrodes 4 .
  • FIG. 16 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the reflection unit 6 is disposed on the side of the connection wire 5 facing the light emitting unit 2 , and an insulating opening is provided on the reflection unit 6 , so that the contact electrodes 21 can be connected to the connection wire 5 through the insulation opening.
  • At least part of the connecting wires 5 are correspondingly disposed on the peripheral side 312 through the insulating layer 7 and the reflective unit 6 .
  • a first connection hole is provided on the insulating layer 7 between the reflective unit 6 and the connection wire 5 , so that the connection wire 5 can be connected to the driving electrode 4 through the first connection hole.
  • a second via hole is provided on the insulating layer 7 between the reflective unit 6 and the connecting wire 5 , so that the connecting wire 5 can be connected to the contact electrode 21 through the second via hole.
  • the reflective portion 63 is located on the first surface 311 between the first contact electrode 211 and the second contact electrode 212 , and the first reflective portion 61 , the second reflective portion 62 and the third reflective portion 63 are insulated from each other. By disposing the third reflecting portion 63 , the amount of reflected light of the reflecting unit 6 can be further increased, and the light extraction efficiency of the display panel can be improved.
  • FIG. 17 is a partial schematic view of FIG. 2 .
  • the first included angle ⁇ between the peripheral side surface 312 and the first surface 311 is 91° ⁇ 160°.
  • the first included angle ⁇ is 120° ⁇ 150°. That is, the first acute angle between the peripheral side 312 and the reference plane is 20°-89°, the reference plane is parallel to the surface of the substrate 1 , and the surface of the substrate 1 refers to the surface of the substrate 1 for placing the light emitting unit 2 .
  • the first acute angle between the peripheral side surface 312 and the reference plane is 30° ⁇ 60°.
  • the first included angle ⁇ is within the above-mentioned range, it is possible to avoid too large a size of the support unit 31 caused by the first included angle ⁇ , and too large a gap between two adjacent light emitting units 2 to affect the display panel.
  • the display effect can also avoid the first included angle ⁇ being too small.
  • the first included angle ⁇ is an acute angle, it is difficult for the connecting wire 5 to be deposited on the peripheral side 312. If the first included angle ⁇ is too small, it will also affect the reflection unit 6. Reflection of light emitted by the light emitting unit 2 .
  • FIG. 18 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the display panel further includes: an encapsulation layer 8 located on the side of the light-emitting unit 2 away from the substrate 1 , the encapsulation layer 8 includes organic layers 81 and inorganic layers alternately arranged. Layer 82.
  • a plurality of light-emitting units 2 are distributed on the surface of the substrate 1 at intervals, and adjacent light-emitting units 2 will form gaps, such as gaps caused by the first opening 32 existing between two adjacent support units 31, which will cause the thickness of the display panel to vary. all.
  • the material of the organic layer 81 includes organic materials, and the uneven thickness of the display panel can be improved by patterning the organic layer 81 .
  • the material of the inorganic layer 82 includes inorganic materials, and the inorganic layer 82 has the advantage of compactness, which can improve the encapsulation effect of the encapsulation layer 8 .
  • the encapsulation layer 8 includes a first organic layer 811 , an inorganic layer 82 and a second organic layer 812 which are sequentially stacked along a direction away from the substrate 1 .
  • the encapsulation effect of the encapsulation layer 8 can be improved.
  • FIG. 19 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
  • the inorganic layer 82 includes a first inorganic layer 822 and a second inorganic layer 821, and the first inorganic layer 822 is located between the first organic layer 811 and the second organic layer 812 , the second inorganic layer 821 is disposed on the side of the first organic layer 811 facing the substrate 1 .
  • the sealing effect of the encapsulation layer 8 can be further improved by adding the second inorganic layer 821 .
  • the first organic layer 811 and the second organic layer 812 can be formed by inkjet printing, and the first inorganic layer 822 can be formed by chemical vapor deposition.
  • Figure 20 is a cross-sectional view at A-A in Figure 1 in another implementation
  • Figure 21 is a partial structural diagram of Figure 20
  • Figure 22 is a top view of Figure 21
  • Figure 23 is another part of Figure 20 Structural schematic diagram
  • Fig. 24 is a top view of Fig. 23 .
  • the display panel further includes an enclosing portion 23 arranged around the light-emitting unit 2, and a limiting portion 9 is arranged on the substrate 1, and the limiting portion 9 is used to enclose and form
  • the shape of the limiting space 91 matches the shape of the surrounding portion 23 for accommodating the limiting space 91 of the enclosing portion 23 .
  • the enclosing portion 23 and the limiting portion 9 with matching shapes, when the light emitting unit 2 is placed on the substrate 1, the enclosing portion 23 can fall into the limiting portion 9 In this way, the alignment accuracy between the light emitting unit 2 and the substrate 1 is improved, thereby improving the yield rate of the display panel.
  • the light-emitting unit 2 is, for example, a Micro-LED, and the enclosing portion 23 is an organic adhesive layer surrounding the light-emitting unit 2.
  • the enclosing portion 23 is provided on the light-emitting unit 2 to make the light-emitting unit 2 is adapted to the size of the limiting space 91.
  • the limiting portion 9 can be made of a transparent material, so as to improve the influence of the limiting portion 9 on the light emitted by the light emitting unit 2 .
  • the limiting portion 9 may be located between the first driving electrode 41 and the second driving electrode 42, and the supporting unit 31 is arranged to surround the limiting portion 9, that is, the limiting portion 9 is located on one side of the peripheral side 312 close to the light emitting unit 2. side.
  • the limiting portion 9 may be in the shape of a closed ring. In other embodiments, there may be a plurality of limiting portions 9 , and it is sufficient that the limiting portions 9 enclose and form a limiting space 91 for accommodating the light emitting unit 2 .
  • the shape of the orthographic projection of the limiting space 91 on the substrate 1 can also be a regular figure such as a triangle, circle, or ellipse, or the shape of the orthographic projection of the limiting space 91 on the substrate 1 can also be an arc An irregular figure composed of lines and/or straight lines.
  • the shape of the enclosing portion 23 matches the shape of the limiting space 91 , so that the enclosing portion 23 can accurately fall into the limiting space 91 .
  • the display panel when multiple display panels in the embodiments of the present application are used to form a spliced display screen, the display panel includes a substrate 1, a driving electrode 4 disposed on the substrate 1, a light emitting unit 2, a support Unit 31 and connecting wire 5. Since the light-emitting unit 2 emits light toward the substrate 1, the side of the light-emitting unit 2 facing away from the substrate 1 is the non-light-emitting side, so structures such as wiring and chips can be directly arranged on the non-light-emitting side of the light-emitting unit 2, without the need for the substrate 1 of the display panel. The wiring on the side can reduce the splicing seam between two adjacent display panels, and effectively improve the display effect of the spliced display.
  • FIG. 25 is a cross-sectional view at A-A in FIG. 1 in another embodiment of the present application.
  • the display panel further includes: a driving line 10 disposed on the side of the substrate 1 where the driving electrode 4 is located.
  • the drive line 10 is arranged on the side of the substrate 1 where the drive electrode 4 is located, so that the drive line 10 can be directly connected to the drive electrode 4 without wiring on the side of the substrate 1, and the splicing between two adjacent display panels can be reduced. seam.
  • the display panel further includes a support portion 34 , the support portion 34 and the support unit 31 are provided on the same layer and material, and at least part of the driving lines 10 are disposed on the surface of the support portion 34 away from the substrate 1 .
  • the supporting part 34 and the supporting unit 31 can be manufactured and formed in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel.
  • the support part 34 can provide flexible support for the driving wire 10, on the one hand, it can reduce the height difference between part of the driving wire 10 and the light emitting unit 2, and facilitate the binding of the driving wire 10; on the other hand, it can improve the driving force in the binding process The stress on the wire 10 improves the service life of the driving wire 10 and the substrate 1 .
  • a first opening 32 is also formed between the supporting portion 34 and the supporting unit 31 , and the driving electrode 4 is exposed through the first opening 32 .
  • the display panel further includes a driver 11 connected to the driving line 10 on the side of the substrate 1 where the driving electrodes 4 are located.
  • the driver 11 is directly arranged on the non-display side of the light-emitting unit 2 and connected to the drive line 10.
  • the distance between the drive line 10 and the driver 11 can be reduced, and the length of the drive line 10 can be reduced; on the other hand, The driver 11 will not affect the display effect of the display panel.
  • the driving wire 10 and the connecting wire 5 are provided in the same layer and material, so that the driving wire 10 and the connecting wire 5 can be manufactured in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel.
  • the display panel further includes a buffer layer 12.
  • the buffer layer 12 includes a third opening 122 and a buffer unit 121 located between the substrate 1 and the light emitting unit 2.
  • the driving electrode 4 is connected to the The wires 5 are connected to each other.
  • the buffer unit 121 may be located in the limiting space 91 enclosed by the limiting portion 9 .
  • the embodiment of the second aspect of the present application provides a display device, including the display panel of any one of the above-mentioned embodiments of the first aspect. Since the display device provided by the embodiment of the second aspect of the present application includes the display panel of any embodiment of the first aspect above, the display device provided by the embodiment of the second aspect of the present application has the display panel of any embodiment of the first aspect above. The beneficial effects will not be repeated here.
  • the display devices in the embodiments of the present application include but are not limited to mobile phones, personal digital assistants (Personal Digital Assistant, PDA for short), tablet computers, e-books, televisions, access control, smart fixed phones, consoles and other devices with display functions .
  • PDA Personal Digital Assistant
  • FIG. 26 is a schematic flowchart of a method for preparing a display panel provided in an embodiment of the present application.
  • the display panel may be the display panel provided in any one of the foregoing embodiments of the first aspect.
  • the manufacturing method of the display panel includes:
  • Step S01 arranging a plurality of driving electrodes 4 spaced apart on the surface of the substrate 1 .
  • a metal material layer may be formed on the surface of the substrate 1 , and the metal material layer is patterned to form the driving electrodes 4 .
  • Step S02 disposing the light emitting unit 2 on the surface of the substrate 1 , and the light emitting unit 2 and the driving electrode 4 are located on the same side of the substrate 1 , the light emitting unit 2 includes the contact electrode 21 , and the light emitting unit 2 emits light toward the substrate 1 .
  • Step S03 setting a support material layer on the side where the light emitting unit 2 is located, and patterning the support material layer to form a support unit 31 with a support surface.
  • the driving electrodes 4 and the contact electrodes 21 are exposed by the supporting unit 31 .
  • the above-mentioned first opening 32 and second opening 33 are formed on the support unit 31 , the driving electrode 4 is exposed through the first opening 32 , and the contact electrode 21 is exposed through the second opening 33 .
  • Step S04 forming a metal material layer on the support unit 31, patterning the metal material layer to form a connecting wire 5, the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4, and at least part of the connecting wire is along the contact electrode 21 to the driving electrode 4 extends obliquely in the direction.
  • the contact electrode 21 of the light-emitting unit 2 is located on the side away from the substrate 1, and the light-emitting unit 2 emits light toward the substrate 1, so the non-light-emitting side of the light-emitting unit 2 can Connecting the contact electrode 21 and the driving electrode 4 through the connecting wire 5 does not affect the light emission of the display panel, and can effectively improve the light emission effect of the display panel.
  • the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4 along an inclined path, on the one hand, the wiring of the connecting wire 5 can be simplified, and on the other hand, the length of the connecting wire 5 can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire 5 and improves the connection.
  • the stability of the wire 5 can improve the defect of the display panel caused by the disconnection of the connecting wire 5 . Therefore, the embodiment of the present application can improve the luminous effect of the display panel and the yield of the display panel.
  • the support unit 31 may also include a peripheral side surface 312 disposed around at least part of the light emitting unit 2, and in the direction from the contact electrode 21 to the driving electrode 4, the peripheral side surface 312 is inclined in a direction away from the light emitting unit 2 extend.
  • step S04 at least part of the connecting wires 5 are supported on the peripheral side 312 , so that the connecting wires 5 can extend obliquely along the peripheral side 312 .
  • a reflective unit 6 is also formed, and the reflective unit 6 and the connecting wire 5 may be arranged in the same layer or in a different layer.
  • the reflection unit 6 can reflect the light emitted by the light emitting unit 2 to improve the light extraction efficiency of the display panel.
  • step S04 the metal material layer is patterned to form the reflection unit 6 and the connection wire 5, at least part of the reflection unit 6 is arranged on the peripheral side 312 and surrounds the light emitting unit 2, at least part of the connecting wire 5 is located on the peripheral side 312 and connects the contact electrode 21 and the driving electrode 4. Simultaneously forming the connecting wire 5 and the reflecting unit 6 in the same process step S04 can simplify the production of the display panel and improve the production efficiency of the display panel.
  • the reflective unit 6 and the connecting wire 5 are arranged in different layers, the reflective unit 6 can be arranged on the side of the connecting wire 5 facing or facing away from the light emitting unit 2 .
  • the reflective unit 6 when the reflective unit 6 is arranged on the side of the connecting wire 5 away from the light-emitting unit 2, after step S04, it also includes: forming an insulating material layer on the connecting wire 5; forming a reflective material layer on the insulating material layer The reflective material layer is patterned to form the reflective unit 6 , at least part of the reflective unit 6 is disposed on the peripheral side surface 312 and surrounds the light emitting unit 2 .
  • the reflective unit 6 when the reflective unit 6 is arranged on the side of the connecting wire 5 facing the light-emitting unit 2, before step S04, it also includes: forming a reflective material layer on the support unit 31, patterning the reflective material layer to form The reflective unit 6 , at least part of the reflective unit 6 is disposed on the peripheral side 312 and surrounds the light emitting unit 2 .
  • the reflective unit 6 is provided with an insulating opening, and the contact electrode 21 is exposed through the insulating opening.
  • an insulating material layer is formed on the reflection unit 6 ; a metal material layer is formed on the insulating material layer, and the metal material is patterned to form the connecting wire 5 .
  • the insulating material layer can also be patterned to form a first via hole through which the driving electrode 4 is exposed, so that the connecting wire 5 can be connected to the driving electrode 4 through the first via hole.
  • the insulating material layer can also be patterned to form a second via hole through which the contact electrode 21 is exposed, so that the connecting wire 5 can connect to the contact electrode 21 through the second via hole.
  • the connection wire 5 can also be inserted into the first communication hole to connect with the driving electrode 4 , and the connection wire 5 can also be inserted into the insulating opening and connected to the contact electrode 21 in the second communication hole.
  • step S03 a support material layer is provided on the side where the light emitting unit 2 is located, and the support material layer is patterned to form the support unit 31 and the support portion 34 .
  • step S04 a metal material layer is formed on the support unit 31 and the support portion 34, and the metal material layer is patterned to form the connecting wire 5 and the driving wire 10, at least part of the connecting wire 5 is located on the peripheral side 312, at least part of the driving wire The wire 10 is disposed on the surface of the support portion 34 away from the substrate 1 .
  • step S04 a metal material layer is formed on the supporting unit 31 and the supporting portion 34 , and the metal material layer is patterned to form the connecting wire 5 and the driving wire 10 .
  • the drive line 10 can be located on the side where the drive electrode 4 of the substrate 1 is located, and the drive line 10 can be directly connected to the drive electrode 4 without wiring on the side of the substrate 1, which can reduce the splicing between two adjacent display panels seam.
  • the supporting part 34 and the supporting unit 31 can be manufactured and formed in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel.
  • the support part 34 can provide flexible support for the driving wire 10, on the one hand, it can reduce the height difference between part of the driving wire 10 and the light emitting unit 2, and facilitate the binding of the driving wire 10; on the other hand, it can improve the driving force in the binding process The stress on the wire 10 improves the service life of the driving wire 10 and the substrate 1 .
  • the method further includes: connecting the driving line 10 to the driver 11 .
  • the driver 11 is connected to the driving line 10 on the side of the substrate 1 where the driving electrodes 4 are located.
  • the driver 11 is directly arranged on the non-display side of the light-emitting unit 2 and connected to the drive line 10. On the one hand, the distance between the drive line 10 and the driver 11 can be reduced, and the length of the drive line 10 can be reduced; on the other hand, The driver 11 will not affect the display effect of the display panel.

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Abstract

Provided in the embodiments of the present application are a display panel, a display apparatus, and a preparation method for a display panel. The display panel comprises: a substrate; a light-emitting unit, which is arranged on the substrate, comprises a contact electrode, and emits light rays toward the substrate; a drive electrode, which is located on the side of the contact electrode that faces the substrate; a supporting unit, which is provided with a supporting face that extends between the contact electrode and the drive electrode; and a connection wire, which connects the contact electrode and the drive electrode, wherein at least part of the connection wire is supported on the supporting face, and obliquely extends in the direction from the contact electrode to the drive electrode. By means of the present application, the light emission effect of a display panel can be improved.

Description

显示面板、显示装置及显示面板的制备方法Display panel, display device and method for manufacturing display panel
相关申请的交叉引用Cross References to Related Applications
本申请要求享有于2021年11月29日提交的名称为“显示面板、显示装置及显示面板的制备方法”的中国专利申请第202111431055.4号的优先权，该申请的全部内容通过引用并入本文中。This application claims priority to Chinese Patent Application No. 202111431055.4, filed on November 29, 2021, entitled "Display Panel, Display Device, and Display Panel Manufacturing Method", the entire content of which is incorporated herein by reference .
技术领域technical field
本申请涉及显示设备技术领域，尤其涉及一种显示面板、显示装置及显示面板的制备方法。The present application relates to the technical field of display devices, and in particular to a display panel, a display device, and a method for preparing a display panel.
背景技术Background technique
微发光二极管(Micro Light-Emitting Diode；Micro LED)是一种尺寸在几微米到几百微米之间的器件，由于其较普通发光二极管(Light-Emitting Diode；LED)的尺寸要小很多，从而使得单一的LED作为像素(Pixel)用于显示成为可能。Micro LED显示器便是一种以高密度的Micro LED阵列作为显示像素阵列来实现图像显示的显示器。Micro Light-Emitting Diode (Micro LED) is a device with a size ranging from a few microns to hundreds of microns. Because it is much smaller than ordinary Light-Emitting Diode (LED), it can It is possible to use a single LED as a pixel (Pixel) for display. A Micro LED display is a display that uses a high-density Micro LED array as a display pixel array to display images.
发明内容Contents of the invention
本申请实施例提供一种显示面板、显示装置及显示面板的制备方法，旨在提高显示面板的显示效果。Embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel, aiming at improving the display effect of the display panel.
本申请第一方面的实施例提供了一种显示面板，包括：基板；发光单元，设置于基板，发光单元包括接触电极，且发光单元朝向基板出射光线；驱动电极，位于接触电极朝向基板的一侧；设有支撑面的支撑单元，支撑面在接触电极和驱动电极之间延伸；连接导线，连接接触电极和驱动电极，至少部分连接导线支撑于支撑面上，且沿接触电极至驱动电极的方向倾斜延伸。The embodiment of the first aspect of the present application provides a display panel, including: a substrate; a light-emitting unit disposed on the substrate, the light-emitting unit includes a contact electrode, and the light-emitting unit emits light toward the substrate; a driving electrode is located on a side of the contact electrode facing the substrate side; a supporting unit with a supporting surface, the supporting surface extends between the contact electrode and the driving electrode; connecting wires, connecting the contact electrodes and the driving electrodes, at least part of the connecting wires are supported on the supporting surface, and along the contact electrode to the driving electrode The direction extends obliquely.
本申请第二方面的实施例还提供了一种显示装置，包括上述第一方面实施例的显示面板。The embodiment of the second aspect of the present application further provides a display device, including the display panel of the above-mentioned embodiment of the first aspect.
本申请第三方面的实施例还提供了一种显示面板的制备方法，包括：The embodiment of the third aspect of the present application also provides a method for manufacturing a display panel, including:
在基板表面布置多个间隔分布的驱动电极；arranging a plurality of driving electrodes distributed at intervals on the surface of the substrate;
将发光单元设置于基板表面，且发光单元和驱动电极位于基板的同侧，发光单元包括接触电极，发光单元朝向基板出射光线；The light-emitting unit is arranged on the surface of the substrate, and the light-emitting unit and the driving electrode are located on the same side of the substrate, the light-emitting unit includes a contact electrode, and the light-emitting unit emits light toward the substrate;
在发光单元所在侧设置支撑材料层，对支撑材料层进行图案化处理形成设有支撑面的支撑单元；A support material layer is provided on the side where the light-emitting unit is located, and the support material layer is patterned to form a support unit with a support surface;
在支撑单元上形成金属材料层，对金属材料层进行图案化处理形成连接导线，连接导线连接接触电极和驱动电极，至少部分连接导线沿接触电极至驱动电极的方向倾斜延伸。A metal material layer is formed on the supporting unit, and the metal material layer is patterned to form a connecting wire, which connects the contact electrode and the driving electrode, and at least part of the connecting wire extends obliquely along the direction from the contact electrode to the driving electrode.
在本申请实施例提供的显示面板包括基板和设置于基板的发光单元、支撑单元、驱动电极和连接导线。其中发光单元朝向基板出射光线，因此可以由发光单元的非出光侧通过连接导线连接接触电极和驱动电极，不会影响显示面板的发光，能够有效提高显示面板的发光效果。此外，连接导线沿倾斜路径连接接触电极和驱动电极，一方面能够简化连接导线的布线，另一方面能够尽量减小连接导线的长度，便于连接导线的制备成型，提高连接导线的稳定性，改善由于连接导线断线导致的显示面板不良。因此本申请实施例能够提高显示面板的发光效果和显示面板的良率。The display panel provided in the embodiment of the present application includes a substrate, a light emitting unit disposed on the substrate, a supporting unit, driving electrodes and connecting wires. The light-emitting unit emits light toward the substrate, so the non-light-emitting side of the light-emitting unit can be connected to the contact electrode and the driving electrode through a connecting wire, which will not affect the light emission of the display panel, and can effectively improve the light emission effect of the display panel. In addition, the connecting wire connects the contact electrode and the driving electrode along an inclined path. On the one hand, the wiring of the connecting wire can be simplified, and on the other hand, the length of the connecting wire can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire, improves the stability of the connecting wire, and improves the stability of the connecting wire. Defective display panel due to disconnection of connecting wires. Therefore, the embodiment of the present application can improve the luminous effect of the display panel and the yield of the display panel.
本申请实施例提供的显示面板包括基板和设置于基板的驱动电极、发光单元、支撑单元和连接导线。由于发光单元朝向基板发光，发光单元背离基板的一侧为非发光侧，因此可以在发光单元的非发光侧直接布置走线和芯片等结构，无需在显示面板的基板的侧面走线，当采用本申请实施例提供的多个显示面板拼接形成拼接显示屏时，能够减小相邻两个显示面板之间的拼接缝，有效提高拼接显示屏的显示效果。The display panel provided by the embodiment of the present application includes a substrate, a driving electrode disposed on the substrate, a light emitting unit, a supporting unit and connecting wires. Since the light-emitting unit emits light toward the substrate, the side of the light-emitting unit away from the substrate is the non-light-emitting side, so structures such as wiring and chips can be directly arranged on the non-light-emitting side of the light-emitting unit, without wiring on the side of the substrate of the display panel. When using When a plurality of display panels provided by the embodiments of the present application are spliced to form a spliced display screen, the splicing seam between two adjacent display panels can be reduced, and the display effect of the spliced display screen can be effectively improved.
附图说明Description of drawings
通过阅读以下参照附图对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显，其中，相同或相似的附图标记表示相同或相似的特征。Other features, objects and advantages of the present application will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings, wherein the same or similar reference numerals represent the same or similar features.
图1是本申请实施例提供的一种显示面板的俯视图；FIG. 1 is a top view of a display panel provided by an embodiment of the present application;
图2是图1中A-A处的剖视图；Fig. 2 is the sectional view of A-A place among Fig. 1;
图3是另一实施例中图1中A-A处的剖视图；Fig. 3 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图4是又一实施例中图1中A-A处的剖视图；Fig. 4 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment;
图5是再一实施例中图1中A-A处的剖视图；Fig. 5 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图6是再一实施例中图1中A-A处的剖视图；Fig. 6 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图7是再一实施例中图1中A-A处的剖视图；Fig. 7 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图8是再一实施例中图1中A-A处的剖视图；Fig. 8 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图9是再一实施例中图1中A-A处的剖视图；Fig. 9 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图10是再一实施例中图1中A-A处的剖视图；Fig. 10 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图11是再一实施例中图1中A-A处的剖视图；Fig. 11 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment;
图12是本申请实施例提供的一种显示面板的部分层结构的俯视图；Fig. 12 is a top view of a partial layer structure of a display panel provided by an embodiment of the present application;
图13是本申请另一实施例提供的一种显示面板的部分层结构的俯视图；Fig. 13 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application;
图14是本申请又一实施例提供的显示面板的部分层结构的俯视图；Fig. 14 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application;
图15是另一实施例中图1中A-A处的剖视图；Fig. 15 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图16是又一实施例中图1中A-A处的剖视图；Fig. 16 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图17是图2的局部示意图；Fig. 17 is a partial schematic diagram of Fig. 2;
图18是还一实施例中图1中A-A处的剖视图；Fig. 18 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment;
图19是又一实施例中图1中A-A处的剖视图；Fig. 19 is a cross-sectional view at A-A in Fig. 1 in another embodiment;
图20是再一实施中图1中A-A处的剖视图；Fig. 20 is a cross-sectional view at A-A in Fig. 1 in another implementation;
图21是图20的部分结构示意图；Fig. 21 is a partial structural schematic diagram of Fig. 20;
图22是图21的俯视图；Figure 22 is a top view of Figure 21;
图23是图20中另一部分的结构示意图；Fig. 23 is a schematic structural view of another part in Fig. 20;
图24是图23的俯视图。FIG. 24 is a top view of FIG. 23 .
图25是本申请还一实施例中图1中A-A处的剖视图；Fig. 25 is a cross-sectional view at A-A in Fig. 1 in yet another embodiment of the present application;
图26是本申请实施例提供的一种显示面板的制备方法流程示意图。FIG. 26 is a schematic flowchart of a method for manufacturing a display panel provided in an embodiment of the present application.
具体实施方式Detailed ways
为了更好地理解本申请，下面结合图1至图26对本申请实施例的显示面板、显示装置及显示面板的制备方法进行详细描述。In order to better understand the present application, the display panel, the display device and the manufacturing method of the display panel according to the embodiment of the present application will be described in detail below with reference to FIG. 1 to FIG. 26 .
请一并参阅图1和图2，图1是本申请实施例提供的一种显示面板的俯视图，图2是图1中A-A处的剖视图。Please refer to FIG. 1 and FIG. 2 together. FIG. 1 is a top view of a display panel provided by an embodiment of the present application, and FIG. 2 is a cross-sectional view at A-A in FIG. 1 .
如图1和图2所示，本申请第一方面实施例提供的显示面板包括：基板1和设置 于基板1的发光单元2、驱动电极4、支撑单元31和连接导线5。发光单元2包括接触电极21，发光单元2朝向基板1出射光线；驱动电极4位于接触电极21朝向基板1的一侧；设有支撑面的支撑单元31，支撑面在接触电极21至驱动电极4之间延伸；连接导线5连接接触电极21和驱动电极4，且至少部分连接导线5在接触电极21至驱动电极4的方向倾斜延伸。As shown in FIG. 1 and FIG. 2 , the display panel provided by the embodiment of the first aspect of the present application includes: a substrate 1 , a light emitting unit 2 disposed on the substrate 1 , a driving electrode 4 , a supporting unit 31 and connecting wires 5 . The light-emitting unit 2 includes a contact electrode 21, and the light-emitting unit 2 emits light toward the substrate 1; the drive electrode 4 is located on the side of the contact electrode 21 facing the substrate 1; a support unit 31 is provided with a support surface, and the support surface is between the contact electrode 21 and the drive electrode 4 The connecting wire 5 connects the contact electrode 21 and the driving electrode 4 , and at least part of the connecting wire 5 extends obliquely in the direction from the contact electrode 21 to the driving electrode 4 .
当连接导线5倾斜延伸设置时，连接导线5可以沿直线型、弧线型、台阶弯折型轨迹倾斜延伸。When the connecting wire 5 is arranged to extend obliquely, the connecting wire 5 may extend obliquely along a straight line, an arc, or a step bending track.
在本申请实施例提供的显示面板中，显示面板包括基板1和设置于基板1的发光单元2、支撑单元31、驱动电极4和连接导线5。其中发光单元2朝向基板1出射光线，因此可以由发光单元2的非出光侧通过连接导线5连接接触电极21和驱动电极4，不会影响显示面板的发光，能够有效提高显示面板的发光效果。此外，连接导线5沿倾斜路径连接接触电极21和驱动电极4，一方面能够简化连接导线5的布线，另一方面能够尽量减小连接导线5的长度，便于连接导线5的制备成型，提高连接导线5的稳定性，改善由于连接导线5断线导致的显示面板不良。因此本申请实施例能够提高显示面板的发光效果和显示面板的良率。In the display panel provided in the embodiment of the present application, the display panel includes a substrate 1 , a light emitting unit 2 disposed on the substrate 1 , a supporting unit 31 , driving electrodes 4 and connecting wires 5 . The light-emitting unit 2 emits light toward the substrate 1, so the contact electrode 21 and the driving electrode 4 can be connected through the connecting wire 5 from the non-light-emitting side of the light-emitting unit 2, without affecting the light emission of the display panel, and can effectively improve the light emission effect of the display panel. In addition, the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4 along an inclined path, on the one hand, the wiring of the connecting wire 5 can be simplified, and on the other hand, the length of the connecting wire 5 can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire 5 and improves the connection. The stability of the wire 5 can improve the defect of the display panel caused by the disconnection of the connecting wire 5 . Therefore, the embodiment of the present application can improve the luminous effect of the display panel and the yield of the display panel.
可选的，基板1可以包括衬底层和设置于衬底层的驱动层，衬底层可以选用透明材料制备成型，以提高显示面板的发光效率。衬底层也可以选用玻璃等硬性材料，衬底层还可以选用聚酰亚胺等柔性材料。驱动层包括驱动电路，驱动电路可以包括驱动晶体管和信号线等。至少一个驱动晶体管的源漏电极和驱动电极4相互连接，使得驱动电路可以通过驱动电极4驱动发光单元2发光。Optionally, the substrate 1 may include a substrate layer and a driving layer disposed on the substrate layer, and the substrate layer may be made of a transparent material to improve the luminous efficiency of the display panel. Hard materials such as glass can also be selected for the substrate layer, and flexible materials such as polyimide can also be selected for the substrate layer. The driving layer includes a driving circuit, and the driving circuit may include driving transistors, signal lines, and the like. The source and drain electrodes of at least one driving transistor are connected to the driving electrode 4 , so that the driving circuit can drive the light emitting unit 2 to emit light through the driving electrode 4 .
可选的，发光单元2为Micro-LED、Mini LED、μLED等，例如发光单元2为倒装Micro-LED。可选的，支撑单元31可以选用有机透明材料，例如支撑单元31可以选用聚酰亚胺等材料，以提高支撑单元31的透光率，提高显示面板的出光效率。Optionally, the light emitting unit 2 is a Micro-LED, Mini LED, μLED, etc., for example, the light emitting unit 2 is a flip-chip Micro-LED. Optionally, the supporting unit 31 can be made of organic transparent material, for example, the supporting unit 31 can be made of polyimide or the like, so as to increase the light transmittance of the supporting unit 31 and improve the light extraction efficiency of the display panel.
可选的，支撑单元31可以为实心或空心结构，只要支撑单元31设有支撑面即可。如图3所示，图3是另一实施例中图1中A-A处的剖视图。支撑单元31呈空心结构状，至少部分发光单元2的侧面没有与支撑单元31相互接触。Optionally, the supporting unit 31 may be a solid or hollow structure, as long as the supporting unit 31 is provided with a supporting surface. As shown in FIG. 3 , FIG. 3 is a cross-sectional view at A-A in FIG. 1 in another embodiment. The support unit 31 is hollow, and at least part of the sides of the light emitting unit 2 are not in contact with the support unit 31 .
连接导线5可以选用金属材料，例如连接导线5可以选用金、银、镁等反射金属材料，使得连接导线5可以反射发光单元2发出的光，能够进一步提高显示面板的出光效率，提高显示面板的显示效果。The connecting wire 5 can be made of metal material. For example, the connecting wire 5 can be made of reflective metal materials such as gold, silver, magnesium, etc., so that the connecting wire 5 can reflect the light emitted by the light emitting unit 2, which can further improve the light extraction efficiency of the display panel and improve the brightness of the display panel. display effect.
连接导线5的倾斜延伸方式有多种，在一些可选的实施例中，请继续参阅图2和图3，沿接触电极21至驱动电极4的方向，至少部分连接导线5沿直线型轨迹倾斜延伸，直线型轨迹可以沿远离发光单元2的方向倾斜延伸。直线型轨迹较短，能够进一步减小连接导线5的延伸路径，减短接触电极21和驱动电极4的信号传输路径。There are many ways to extend the connecting wire 5 obliquely. In some optional embodiments, please continue to refer to FIG. 2 and FIG. 3 , along the direction from the contact electrode 21 to the driving electrode 4, at least part of the connecting wire 5 is inclined along a linear trajectory. Extending, the linear trajectory may extend obliquely in a direction away from the light emitting unit 2 . The straight track is relatively short, which can further reduce the extension path of the connecting wire 5 and shorten the signal transmission path between the contact electrode 21 and the driving electrode 4 .
请参阅图4和图5，图4是又一实施例中图1中A-A处的剖视图；图5是再一实施例中图1中A-A处的剖视图。Please refer to FIG. 4 and FIG. 5 , FIG. 4 is a sectional view at A-A in FIG. 1 in another embodiment; FIG. 5 is a sectional view at A-A in FIG. 1 in another embodiment.
在一些可选的实施例中，如图4和图5所示，沿接触电极21至驱动电极4的方向，至少部分连接导线5沿弧线型轨迹延伸，弧线型轨迹的切线可以沿远离发光单元2的方向倾斜延伸。在这些可选的实施例中，连接导线5沿弧形路径延伸成型，弧形轨迹更易制备成型。In some optional embodiments, as shown in FIG. 4 and FIG. 5 , along the direction from the contact electrode 21 to the drive electrode 4, at least part of the connecting wire 5 extends along an arc-shaped track, and the tangent of the arc-shaped track can be along a direction away from The direction of the lighting unit 2 extends obliquely. In these optional embodiments, the connecting wire 5 is formed along an arc-shaped path, and the arc-shaped path is easier to prepare and shape.
如图4所示，当连接导线5沿弧形轨迹延伸成型时，弧形轨迹可以沿背离基板1的方向凸出成型。或者，如图5所示，弧形轨迹可以沿靠近基板1的方向凹陷成型。As shown in FIG. 4 , when the connecting wire 5 is extended and formed along an arc-shaped track, the arc-shaped track can be protruded in a direction away from the substrate 1 . Or, as shown in FIG. 5 , the arc track can be concavely formed along the direction close to the substrate 1 .
请参阅图6，图6是再一实施例中图1中A-A处的剖视图。Please refer to FIG. 6 . FIG. 6 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
在其他实施例中，如图6所示，连接导线5还可以沿台阶弯折型轨迹延伸成型。只要连接导线5在沿接触电极21至驱动电极4的方向上总体呈靠近驱动电极4且远离发光单元2的方向倾斜即可。即沿接触电极21至驱动电极4的方向，连接导线5沿靠近驱动电极4且远离发光单元2的方向倾斜延伸。In other embodiments, as shown in FIG. 6 , the connecting wire 5 can also be extended and shaped along a stepped bent track. As long as the connecting wire 5 is generally inclined in a direction close to the driving electrode 4 and away from the light emitting unit 2 along the direction from the contact electrode 21 to the driving electrode 4 . That is, along the direction from the contact electrode 21 to the driving electrode 4 , the connecting wire 5 extends obliquely in a direction close to the driving electrode 4 and away from the light emitting unit 2 .
可选的，驱动电极4可以设置于基板1表面，且驱动电极4和发光单元2位于基板1的同一表面。驱动电极4可以选用透光率较高的材料制备成型，例如驱动电极4的材料可以包括氧化铟锡。可选的，发光单元2包括朝向基板1的底面、背离基板1的顶面和连接顶面和底面的侧面。接触电极21位置的设置可以有多种方式，例如接触电极21可以设置于发光单元2的顶面或侧面。Optionally, the driving electrode 4 may be disposed on the surface of the substrate 1 , and the driving electrode 4 and the light emitting unit 2 are located on the same surface of the substrate 1 . The driving electrode 4 can be made of a material with high light transmittance, for example, the material of the driving electrode 4 can include indium tin oxide. Optionally, the light emitting unit 2 includes a bottom surface facing the substrate 1, a top surface facing away from the substrate 1, and a side surface connecting the top surface and the bottom surface. The location of the contact electrode 21 can be arranged in various ways, for example, the contact electrode 21 can be arranged on the top surface or the side of the light emitting unit 2 .
在一些可选的实施例中，接触电极21位于发光单元2背离基板1的一侧，即接触电极21位于发光单元2的顶面。In some optional embodiments, the contact electrode 21 is located on the side of the light emitting unit 2 away from the substrate 1 , that is, the contact electrode 21 is located on the top surface of the light emitting unit 2 .
可选的，请继续参阅图2和图3，当接触电极21位于发光单元2的顶面，接触电极21可以和发光单元2的侧面间隔设置，即接触电极21和发光单元2的侧面在第一方向(图2中的X方向)上具有预设距离。以保证接触电极21和发光单元2相对位置的稳定性。Optionally, please continue to refer to FIG. 2 and FIG. 3. When the contact electrode 21 is located on the top surface of the light emitting unit 2, the contact electrode 21 can be spaced apart from the side of the light emitting unit 2, that is, the contact electrode 21 and the side of the light emitting unit 2 are on the top surface of the light emitting unit 2. There is a preset distance in one direction (X direction in FIG. 2 ). In order to ensure the stability of the relative position of the contact electrode 21 and the light emitting unit 2 .
可选的，当支撑单元31的厚度大于发光单元2的厚度时，支撑面还包括位于发光 单元2背离基板1一侧的第一表面311，至少部分连接导线5可以支撑于第一表面311。Optionally, when the thickness of the supporting unit 31 is greater than that of the light emitting unit 2, the supporting surface further includes a first surface 311 located on the side of the light emitting unit 2 away from the substrate 1, at least part of the connecting wires 5 can be supported on the first surface 311.
请参阅图7，图7是还一实施例中图1中A-A处的剖视图。Please refer to FIG. 7 . FIG. 7 is a cross-sectional view at A-A in FIG. 1 in yet another embodiment.
如图7所示，当接触电极21位于发光单元2的顶面，接触电极21和发光单元2的侧面间隔设置。接触电极21和发光单元2的侧面之间在第一方向X上具有预设距离时，支撑单元31和发光单元31的厚度相同，部分连接导线5位于发光单元2背离基板1的表面，且连接导线5在发光单元2的顶面和接触电极21相互连接。As shown in FIG. 7 , when the contact electrode 21 is located on the top surface of the light emitting unit 2 , the contact electrode 21 is spaced from the side of the light emitting unit 2 . When there is a preset distance between the contact electrode 21 and the side of the light emitting unit 2 in the first direction X, the supporting unit 31 and the light emitting unit 31 have the same thickness, and part of the connecting wire 5 is located on the surface of the light emitting unit 2 away from the substrate 1, and the connection The wire 5 is connected to the contact electrode 21 on the top surface of the light emitting unit 2 .
可选的，请继续参阅图8和图9，图8和图9是再一实施例中图1中A-A处的剖视图。当接触电极21位于发光单元2的顶面，接触电极21可以位于顶面靠近侧面的一端，即接触电极21可以靠近发光单元2在第一方向X上的侧面设置。连接导线5在支撑面上即可连接接触电极21，能够减小连接导线5的延伸长度。Optionally, please continue to refer to FIG. 8 and FIG. 9 . FIG. 8 and FIG. 9 are cross-sectional views at A-A in FIG. 1 in another embodiment. When the contact electrode 21 is located on the top surface of the light emitting unit 2 , the contact electrode 21 may be located on the side end of the top surface close to the side, that is, the contact electrode 21 may be disposed close to the side of the light emitting unit 2 in the first direction X. The connecting wire 5 can be connected to the contact electrode 21 on the supporting surface, which can reduce the extension length of the connecting wire 5 .
如图8所示，当接触电极21位于发光单元2的顶面，接触电极21靠近发光单元2在第一方向X上的侧面设置时，支撑单元31在厚度方向(图8中的Z方向)上的延伸尺寸小于或等于发光单元2在厚度方向Z上的延伸尺寸，使得发光单元2背离基板1的表面能够由支撑单元31露出。接触电极21位于发光单元2背离基板1的表面，使得支撑单元31不会遮挡接触电极21，不会影响接触电极21和连接导线5的相互连接。As shown in Figure 8, when the contact electrode 21 is located on the top surface of the light-emitting unit 2, and the contact electrode 21 is disposed close to the side of the light-emitting unit 2 in the first direction X, the supporting unit 31 is in the thickness direction (Z direction in Figure 8) The extension dimension above is less than or equal to the extension dimension of the light emitting unit 2 in the thickness direction Z, so that the surface of the light emitting unit 2 facing away from the substrate 1 can be exposed by the supporting unit 31 . The contact electrodes 21 are located on the surface of the light emitting unit 2 away from the substrate 1 , so that the supporting unit 31 will not cover the contact electrodes 21 and will not affect the interconnection between the contact electrodes 21 and the connecting wires 5 .
可选的，当接触电极21位于发光单元2的顶面，接触电极21靠近发光单元2在第一方向上的侧面设置时，支撑单元31和发光单元2在厚度方向Z上的延伸尺寸相同，即支撑单元31覆盖发光单元2的侧面。Optionally, when the contact electrode 21 is located on the top surface of the light emitting unit 2, and the contact electrode 21 is disposed close to the side of the light emitting unit 2 in the first direction, the extension dimensions of the support unit 31 and the light emitting unit 2 in the thickness direction Z are the same, That is, the support unit 31 covers the side surfaces of the light emitting unit 2 .
如图9所示，当接触电极21位于发光单元2的顶面，接触电极21靠近发光单元2在第一方向X上的侧面设置时，支撑单元31在厚度方向Z上的最大延伸尺寸大于发光单元2在厚度方向Z上的最大尺寸，接触电极21由支撑单元31背离基板1的表面露出，连接导线5在支撑面上直接连接接触电极21。As shown in FIG. 9, when the contact electrode 21 is located on the top surface of the light emitting unit 2, and the contact electrode 21 is arranged close to the side of the light emitting unit 2 in the first direction X, the maximum extension dimension of the supporting unit 31 in the thickness direction Z is larger than the light emitting unit. The largest dimension of the unit 2 in the thickness direction Z, the contact electrode 21 is exposed from the surface of the support unit 31 away from the substrate 1 , and the connecting wire 5 is directly connected to the contact electrode 21 on the support surface.
在一些可选的实施例中，请继续参阅图2至图9，支撑面包括环绕至少部分发光单元2设置的周侧面312，沿接触电极21至驱动电极4的方向上，周侧面312沿远离发光单元2的方向倾斜延伸，至少部分连接导线5支撑于周侧面312。In some optional embodiments, please continue to refer to FIG. 2 to FIG. 9 , the supporting surface includes a peripheral side 312 disposed around at least part of the light emitting unit 2 , along the direction from the contact electrode 21 to the driving electrode 4 , the peripheral side 312 is away from The direction of the light emitting unit 2 extends obliquely, and at least part of the connecting wires 5 are supported on the peripheral side surface 312 .
在这些可选的实施例中，通过设置倾斜延伸的周侧面312，连接导线5可以直接沉积于周侧面312上，便于连接导线312的制备成型。In these optional embodiments, by setting the peripheral side 312 extending obliquely, the connecting wire 5 can be directly deposited on the peripheral side 312 , which facilitates the preparation and molding of the connecting wire 312 .
可选的，周侧面312呈环绕发光单元2的封闭环状结构，例如周侧面312呈圆锥状、棱锥状等，在靠近基板1的方向，支撑单元31沿垂直于厚度方向Z的截面尺寸逐渐增大。Optionally, the peripheral side surface 312 is a closed ring structure surrounding the light emitting unit 2, for example, the peripheral side surface 312 is in the shape of a cone, a pyramid, etc., and in the direction close to the substrate 1, the support unit 31 gradually increases along the cross-sectional dimension perpendicular to the thickness direction Z. increase.
可选的，如图2和图3所示，当至少部分连接导线5沿直线型轨迹延伸时，周侧面312的横截面呈直线型，使得周侧面312能够向连接导线5提供直线型轨迹。此时，周侧面312可以呈圆锥状或棱锥状。Optionally, as shown in FIG. 2 and FIG. 3 , when at least part of the connecting wires 5 extend along a straight track, the cross section of the peripheral side 312 is linear, so that the peripheral side 312 can provide a straight track for the connecting wire 5 . At this time, the peripheral side surface 312 may be in the shape of a cone or a pyramid.
可选的，如图4和图5所示，当至少部分连接导线5沿弧线型轨迹延伸时，周侧面312的横截面呈弧线型，使得周侧面312能够向连接导线5提供弧线型轨迹。如图4所示，当连接导线5沿背离基板1的方向凸出时，周侧面312的横截面沿背离基板1的方向凸出，周侧面312可以为球形外表面的一部分。如图5所示，当连接导线5沿朝向基板1的方向凹陷时，周侧面312的横截面沿朝向基板1的方向凹陷，周侧面312可以为球形内表面的一部分。Optionally, as shown in FIGS. 4 and 5 , when at least part of the connecting wire 5 extends along an arc-shaped trajectory, the cross-section of the peripheral side 312 is arc-shaped, so that the peripheral side 312 can provide an arc to the connecting wire 5 type track. As shown in FIG. 4 , when the connecting wire 5 protrudes away from the substrate 1 , the cross section of the peripheral side 312 protrudes away from the substrate 1 , and the peripheral side 312 may be a part of the spherical outer surface. As shown in FIG. 5 , when the connecting wire 5 is recessed toward the substrate 1 , the cross section of the peripheral side 312 is concave along the direction toward the substrate 1 , and the peripheral side 312 may be a part of the spherical inner surface.
可选的，如图6所示，当至少部分连接导线5沿台阶弯折型轨迹延伸成型时，周侧面312沿台阶弯折型轨迹延伸成型，使得周侧面312能够向连接导线5提供台阶弯折型轨迹。Optionally, as shown in FIG. 6, when at least part of the connecting wire 5 is extended and formed along the step-bending track, the peripheral side 312 is extended and formed along the step-bending track, so that the peripheral side 312 can provide the connecting wire 5 with a step bend. folding track.
如图7所示，当接触电极21和发光单元2的侧面间隔设置，且支撑单元31的厚度和发光单元2的厚度相等时，连接导线5可以由周侧面312延伸至发光单元2的顶面。As shown in Figure 7, when the contact electrode 21 and the side of the light emitting unit 2 are spaced apart, and the thickness of the support unit 31 is equal to the thickness of the light emitting unit 2, the connecting wire 5 can extend from the peripheral side 312 to the top surface of the light emitting unit 2 .
如图8所示，当接触电极21靠近发光单元2的侧面设置，且支撑单元31的厚度等于发光单元2的厚度时，连接导线5可以由周侧面312直接连接接触电极21。As shown in FIG. 8 , when the contact electrode 21 is disposed close to the side of the light emitting unit 2 and the thickness of the support unit 31 is equal to the thickness of the light emitting unit 2 , the connecting wire 5 can be directly connected to the contact electrode 21 through the peripheral side 312 .
如图9所示，当接触电极21靠近发光单元2的侧面设置，且支撑单元31的厚度大于发光单元2的厚度时，连接导线5可以由周侧面312直接连接接触电极21。As shown in FIG. 9 , when the contact electrode 21 is disposed close to the side of the light emitting unit 2 and the thickness of the supporting unit 31 is greater than that of the light emitting unit 2 , the connecting wire 5 can be directly connected to the contact electrode 21 through the peripheral side 312 .
支撑单元2的尺寸设置方式有多种，可选的，如图4和图5所示，支撑单元31的周侧面312可以由发光单元2的顶面和侧面的相交位置处朝向基板1延伸成型。There are many ways to set the size of the support unit 2. Optionally, as shown in FIGS. .
请参阅图10，图10是再一实施例中图1中A-A处的剖视图。在另一些可选的实施例中，支撑单元31的尺寸较大，周侧面312在第一方向X上与发光单元2的顶面间隔分布，连接导线5由支撑单元31背离基板1的表面延伸至发光单元2背离基板1的一侧。Please refer to FIG. 10 . FIG. 10 is a cross-sectional view at A-A in FIG. 1 in another embodiment. In other optional embodiments, the size of the support unit 31 is relatively large, the peripheral side 312 is spaced apart from the top surface of the light emitting unit 2 in the first direction X, and the connecting wire 5 extends from the surface of the support unit 31 away from the substrate 1 to the side of the light emitting unit 2 away from the substrate 1 .
请一并参阅图1和图11，图11是再一实施例中图1中A-A处的剖视图。Please refer to FIG. 1 and FIG. 11 together. FIG. 11 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
如图1和图11所示，接触电极21位于发光单元2在第一方向X上的侧面，且接触电极21由支撑单元31露出，连接导线5在周侧面312上连接接触电极21和驱动电极4。As shown in Figures 1 and 11, the contact electrode 21 is located on the side of the light emitting unit 2 in the first direction X, and the contact electrode 21 is exposed by the support unit 31, and the connecting wire 5 connects the contact electrode 21 and the driving electrode on the peripheral side 312 4.
在这些可选的实施例中，接触电极21位于发光单元2的侧面，能够减小接触电极21和驱动电极4之间的距离，减小连接导线5的走线长度，一方面能够节省材料，另一方面还能够提高接触电极21和驱动电极4之间连接的稳定性。In these optional embodiments, the contact electrode 21 is located on the side of the light-emitting unit 2, which can reduce the distance between the contact electrode 21 and the driving electrode 4, and reduce the length of the connecting wire 5. On the one hand, it can save materials. On the other hand, the stability of the connection between the contact electrode 21 and the driving electrode 4 can also be improved.
接触电极21由支撑单元31露出的方式有多种，例如支撑单元31上可以设置有令接触电极21露出的开口。There are many ways for the contact electrode 21 to be exposed from the support unit 31 , for example, an opening for exposing the contact electrode 21 may be provided on the support unit 31 .
如图11所示，接触电极21位于发光单元2在第一方向X上的侧面，接触电极21和基板1之间的距离大于或等于支撑单元31在厚度方向Z上的最大延伸尺寸，即支撑单元31由基板1延伸至接触电极21朝向基板1的一侧，支撑单元31不会高于接触电极21，令接触电极21能够由支撑单元31露出。As shown in FIG. 11 , the contact electrode 21 is located on the side of the light emitting unit 2 in the first direction X, and the distance between the contact electrode 21 and the substrate 1 is greater than or equal to the maximum extension dimension of the support unit 31 in the thickness direction Z, that is, the support The unit 31 extends from the substrate 1 to the side of the contact electrode 21 facing the substrate 1 , and the support unit 31 is not higher than the contact electrode 21 , so that the contact electrode 21 can be exposed by the support unit 31 .
在一些可选的实施例中，请继续参阅图2至图10，支撑单元31的设置方式有多种，支撑单元31可以与发光单元2同厚度设置，如图4至图7；或者，支撑单元31的厚度可以小于发光单元2的厚度，如图10；或者，在另一些可选的实施例中，支撑单元31的厚度可以大于发光单元2的厚度，以图2和图3为例，支撑单元31还可以包括位于发光单元2背离基板1一侧的第一表面311，周侧面312连接于第一表面311的周侧，部分连接导线5位于第一表面311并在第一表面311与接触电极21相互连接。In some optional embodiments, please continue to refer to FIG. 2 to FIG. 10 , there are many ways to set up the support unit 31, and the support unit 31 can be set at the same thickness as the light emitting unit 2, as shown in FIG. 4 to FIG. 7; The thickness of the unit 31 may be smaller than the thickness of the light emitting unit 2, as shown in Figure 10; or, in other optional embodiments, the thickness of the supporting unit 31 may be greater than the thickness of the light emitting unit 2, as shown in Figure 2 and Figure 3, The support unit 31 may also include a first surface 311 located on the side of the light emitting unit 2 away from the substrate 1, the peripheral side 312 is connected to the peripheral side of the first surface 311, and part of the connecting wire 5 is located on the first surface 311 and connected between the first surface 311 and the first surface 311. The contact electrodes 21 are connected to each other.
在这些可选的实施例中，当支撑单元31具有第一表面311，支撑单元31的最大厚度大于发光单元2的厚度时，支撑单元31上设置有与第一表面311连通的第二开口33，接触电极21由第二开口33和连接导线5相互连接。或者，连接导线5可以延伸至第二开口33内与接触电极21接触连接，连接导线5由第一表面311开始延伸并经由周侧面312延伸至周侧面312的端部与驱动电极4相互连接。In these optional embodiments, when the support unit 31 has a first surface 311, and the maximum thickness of the support unit 31 is greater than the thickness of the light emitting unit 2, the support unit 31 is provided with a second opening 33 communicating with the first surface 311 , the contact electrodes 21 are connected to each other by the second opening 33 and the connecting wire 5 . Alternatively, the connecting wire 5 can extend into the second opening 33 to be in contact with the contact electrode 21 , and the connecting wire 5 extends from the first surface 311 and extends through the peripheral side 312 to the end of the peripheral side 312 to connect with the driving electrode 4 .
在另一些可选的实施例中，发光单元2的个数为多个，支撑单元31的个数为多个，各支撑单元31环绕各发光单元2设置，相邻的两个支撑单元31之间形成第一开口32，至少部分驱动电极4经由第一开口32和连接导线5连接。例如，至少部分驱动电极4由周侧面312背离接触电极21的一侧露出。即驱动电极4位于周侧面312背离接触电极21的末端，且至少部分驱动电极4未被支撑单元31遮挡。In other optional embodiments, the number of light emitting units 2 is multiple, the number of support units 31 is multiple, each support unit 31 is arranged around each light emitting unit 2, and the number of adjacent two support units 31 A first opening 32 is formed between them, and at least part of the driving electrodes 4 are connected to the connection wire 5 through the first opening 32 . For example, at least part of the driving electrode 4 is exposed from the side of the peripheral side surface 312 facing away from the contact electrode 21 . That is, the driving electrode 4 is located at the end of the peripheral side surface 312 away from the contact electrode 21 , and at least part of the driving electrode 4 is not blocked by the supporting unit 31 .
在这些可选的实施例中，驱动电极4由第一开口32露出，即驱动电极4在基板1 上形成的第一正投影与支撑单元31在基板1上形成的第二正投影至少部分错位设置。当在支撑层3上制备连接导线5时，连接导线5可以直接沉积在由第一开口32露出的驱动电极4上，能够简化连接导线5和驱动电极4的连接。In these optional embodiments, the driving electrode 4 is exposed through the first opening 32, that is, the first orthographic projection formed by the driving electrode 4 on the substrate 1 is at least partially misaligned with the second orthographic projection formed by the support unit 31 on the substrate 1 set up. When preparing the connecting wire 5 on the support layer 3 , the connecting wire 5 can be directly deposited on the driving electrode 4 exposed by the first opening 32 , which can simplify the connection between the connecting wire 5 and the driving electrode 4 .
在本申请中，制备连接导线5时，可以在制备完支撑单元31，形成支撑单元31、第一开口32和第二开口33后，直接在支撑单元31上形成金属材料层，使得至少部分金属材料落入第一开口32和第二开口33并分别与驱动电极4和接触电极21电连接，然后对金属材料层进行图案化处理形成连接导线5，即形成连接驱动电极4和接触电极21的连接导线5。In the present application, when preparing the connecting wire 5, after preparing the support unit 31 and forming the support unit 31, the first opening 32 and the second opening 33, a metal material layer is directly formed on the support unit 31, so that at least part of the metal The material falls into the first opening 32 and the second opening 33 and is electrically connected to the driving electrode 4 and the contact electrode 21 respectively, and then the metal material layer is patterned to form a connecting wire 5, that is, a connection wire 5 is formed to connect the driving electrode 4 and the contact electrode 21. Connect lead 5.
请一并参阅图2和图12，图12是本申请实施例提供的一种显示面板的部分层结构的俯视图。为了更好的展示显示面板的内部结构，图12中示意出了连接导线5所在层、发光单元2、驱动电极4在俯视图上的相对位置关系。Please refer to FIG. 2 and FIG. 12 together. FIG. 12 is a top view of a partial layer structure of a display panel provided by an embodiment of the present application. In order to better display the internal structure of the display panel, FIG. 12 schematically shows the relative positional relationship of the layer where the connecting wire 5 is located, the light emitting unit 2 and the driving electrode 4 in a top view.
在一些可选的实施例中，显示面板还包括反射单元6，至少部分反射单元6在周侧面312上并环绕发光单元2设置，反射单元6用于反射发光单元2发出的光线。In some optional embodiments, the display panel further includes a reflection unit 6 , at least part of the reflection unit 6 is disposed on the peripheral side 312 and surrounds the light emitting unit 2 , and the reflection unit 6 is used to reflect light emitted by the light emitting unit 2 .
在这些可选的实施例中，通过设置反射单元6，反射单元6能够反射发光单元2发出的光。反射单元6设置于周侧面312，周侧面312倾斜设置，使得反射单元6能够将更多的光反射至基板1，并由基板1出射，能够提高显示面板的出光率。In these optional embodiments, by providing the reflective unit 6 , the reflective unit 6 can reflect the light emitted by the light emitting unit 2 . The reflective unit 6 is disposed on the peripheral side surface 312, and the peripheral side surface 312 is inclined so that the reflective unit 6 can reflect more light to the substrate 1 and emit it from the substrate 1, thereby improving the light extraction rate of the display panel.
请一并参阅图12和图13，图13是本申请另一实施例提供的一种显示面板的部分层结构的俯视图。Please refer to FIG. 12 and FIG. 13 together. FIG. 13 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
反射单元6围合形成朝向基板1的出光口，发光单元2的出光可能不太均匀，即例如照射于周侧面312上不同位置的光量不同。可选的，如图12所示，反射单元6上还设置有透光开口64，透光开口64所在区域不会反射发光单元2发出的光，通过合理设置透光开口64的位置，以使光量一致，使得从出光口出射的光量更加均匀，显示面板的出光量更加均匀，改善显示面板的显色不均的缺陷。The reflection unit 6 surrounds and forms a light outlet facing the substrate 1 , and the light output of the light emitting unit 2 may not be uniform, that is, for example, the amount of light irradiated on different positions on the peripheral side surface 312 is different. Optionally, as shown in FIG. 12 , the reflective unit 6 is also provided with a light-transmitting opening 64. The area where the light-transmitting opening 64 is located will not reflect the light emitted by the light-emitting unit 2. By reasonably setting the position of the light-transmitting opening 64, the The uniform light quantity makes the light quantity emitted from the light outlet port more uniform, the light quantity of the display panel is more uniform, and the defect of uneven color rendering of the display panel is improved.
如图13所示，在一些可选的实施例中，反射单元6包括第一部分6a和第二部分6b，第一部分6a和第二部分6b中的一者上设置有透光开口64，以使第一部分6a和第二部分6b的反射光量差小于或等于预设阈值。图13中以点划线示意出了第一部分6a和第二部分6b的分界线，点划线并不构成对本申请实施例提供的显示面板的反射单元6结构上的限定。在其他实施例中，反射单元6还可以以其他方式分割为第一部分6a和第二部分6b。As shown in FIG. 13, in some optional embodiments, the reflective unit 6 includes a first part 6a and a second part 6b, and one of the first part 6a and the second part 6b is provided with a light-transmitting opening 64, so that The difference in the amount of reflected light between the first portion 6a and the second portion 6b is less than or equal to a preset threshold. FIG. 13 shows the boundary line between the first part 6 a and the second part 6 b with a dotted line, and the dotted line does not constitute a structural limitation on the reflective unit 6 of the display panel provided by the embodiment of the present application. In other embodiments, the reflective unit 6 can also be divided into the first part 6a and the second part 6b in other ways.
在这些可选的实施例中，通过在第一部分6a和第二部分6b中的一者上设置透光开口64，能够减小第一部分6a和第二部分6b反射光量之差，进而使得第一部分6a和第二部分6b的反射光量差小于或等于预设阈值，改善显示面板的显色不均。预设阈值的取值有多种，客户可以根据实际需求进行设定预设阈值的取值。In these optional embodiments, by providing a light-transmitting opening 64 on one of the first part 6a and the second part 6b, the difference in the amount of reflected light between the first part 6a and the second part 6b can be reduced, thereby making the first part The difference in the amount of reflected light between 6a and the second portion 6b is less than or equal to a preset threshold, so as to improve uneven color rendering of the display panel. There are various values of the preset threshold, and the customer can set the value of the preset threshold according to actual needs.
在另一些实施例中，第一部分6a和第二部分6b上均设置有透光开口64，通过使得第一部分6a和第二部分6b上透光开口64数量的不同，减小第一部分6a和第二部分6b的反射光量差。In other embodiments, both the first part 6a and the second part 6b are provided with light-transmitting openings 64, and by making the number of light-transmitting openings 64 on the first part 6a and the second part 6b different, the number of the first part 6a and the second part 6b is reduced. The reflected light quantity of the two parts 6b is different.
反射单元6的材料可以选用金、银、镁等金属材料。例如反射单元6可以选用和连接导线5相同的材料制备成型。Metal materials such as gold, silver, and magnesium can be selected as the material of the reflection unit 6 . For example, the reflective unit 6 can be made of the same material as the connecting wire 5 .
请继续参阅图2和图12，在一些可选的实施例中，反射单元6和连接导线5同层设置。此时反射单元6可以选用和连接导线5相同的材料制备成型。Please continue to refer to FIG. 2 and FIG. 12 , in some optional embodiments, the reflecting unit 6 and the connecting wire 5 are arranged on the same layer. At this time, the reflective unit 6 can be made of the same material as the connecting wire 5 .
在这些可选的实施例中，反射单元6和连接导线5可以在同一工艺步骤中制备成型，能够简化显示面板的制备，提高显示面板的制备效率。In these optional embodiments, the reflective unit 6 and the connecting wire 5 can be formed in the same process step, which can simplify the production of the display panel and improve the production efficiency of the display panel.
当反射单元6和连接导线5同层设置时，反射单元6可以复用为连接导线5，或者反射单元6可以与连接导线5相互绝缘设置。When the reflection unit 6 and the connection wire 5 are arranged on the same layer, the reflection unit 6 can be reused as the connection wire 5 , or the reflection unit 6 and the connection wire 5 can be insulated from each other.
请继续参阅图2至图14，图14是本申请又一实施例提供的显示面板的部分层结构的俯视图。Please continue to refer to FIG. 2 to FIG. 14 . FIG. 14 is a top view of a partial layer structure of a display panel provided by another embodiment of the present application.
在一些可选的实施例中，如图2至图14所示，驱动电极4包括第一驱动电极41和第二驱动电极42，接触电极21包括第一接触电极211和第二接触电极212，连接导线5包括第一连接导线51和第二连接导线52，第一驱动电极41和第一接触电极211通过第一连接导线51连接，第二驱动电极42和第二接触电极212通过第二连接导线52连接，反射单元6和连接导线5同层设置，反射单元6包括相互绝缘的第一反射部61和第二反射部62。In some optional embodiments, as shown in FIG. 2 to FIG. 14 , the driving electrode 4 includes a first driving electrode 41 and a second driving electrode 42, and the contact electrode 21 includes a first contact electrode 211 and a second contact electrode 212, The connecting wire 5 includes a first connecting wire 51 and a second connecting wire 52, the first driving electrode 41 and the first contact electrode 211 are connected through the first connecting wire 51, and the second driving electrode 42 and the second contact electrode 212 are connected through the second connecting wire. The wire 52 is connected, and the reflection unit 6 and the connection wire 5 are arranged on the same layer, and the reflection unit 6 includes a first reflection part 61 and a second reflection part 62 which are insulated from each other.
可选的，如图12和图14所示，第一反射部61、第二反射部62与第一连接导线51、第二连接导线52相互绝缘且同层设置。在这些可选的实施例中，第一连接导线51和第二连接导线52可以设置的较小，以改善第一连接导线51和第二连接导线52信号传输的稳定性。可选的，在这些实施例中，反射单元6和驱动电极4绝缘设置，以避免第一驱动电极41和第二驱动电极42通过反射单元6短路连接。Optionally, as shown in FIG. 12 and FIG. 14 , the first reflection part 61 and the second reflection part 62 are insulated from each other and arranged in the same layer as the first connection wire 51 and the second connection wire 52 . In these optional embodiments, the first connecting wire 51 and the second connecting wire 52 may be set smaller to improve the stability of signal transmission between the first connecting wire 51 and the second connecting wire 52 . Optionally, in these embodiments, the reflective unit 6 and the driving electrode 4 are insulated to avoid short-circuit connection between the first driving electrode 41 and the second driving electrode 42 through the reflective unit 6 .
可选的，第一驱动电极41和第二驱动电极42沿第一方向X间隔分布，第一接触 电极211和第二接触电极212沿第一方向X间隔分布，第一连接导线51由第一接触电极211经由发光单元2在第一方向X上的一侧的周侧面312连接至第一驱动电极41，第二连接导线52由第二接触电极212经由发光单元2在第一方向X上的另一侧的周侧面312连接至第二驱动电极42，第一连接导线51和第二连接导线52沿第一方向X间隔设置。第一反射部61和第二反射部62可以分设于第一连接导线51和第二连接导线52在第二方向(图1中的Y方向)上的两侧，且第一反射部61和第二反射部62与第一连接导线51和第二连接导线52之间均存在间隙，以使第一反射部61、第二反射部62也可以与第一连接导线51、第二连接导线52相互绝缘且同层设置。Optionally, the first driving electrodes 41 and the second driving electrodes 42 are distributed at intervals along the first direction X, the first contact electrodes 211 and the second contact electrodes 212 are distributed at intervals along the first direction X, and the first connecting wires 51 are formed by the first The contact electrode 211 is connected to the first driving electrode 41 via the peripheral side surface 312 of the light emitting unit 2 in the first direction X, and the second connecting wire 52 is connected to the first driving electrode 41 by the second contact electrode 212 via the light emitting unit 2 in the first direction X. The peripheral side surface 312 on the other side is connected to the second driving electrode 42 , and the first connecting wires 51 and the second connecting wires 52 are arranged at intervals along the first direction X. The first reflective portion 61 and the second reflective portion 62 can be separately arranged on both sides of the first connecting wire 51 and the second connecting wire 52 in the second direction (Y direction in FIG. 1 ), and the first reflecting portion 61 and the second There are gaps between the two reflection parts 62 and the first connection wire 51 and the second connection wire 52, so that the first reflection part 61 and the second reflection part 62 can also be connected with the first connection wire 51 and the second connection wire 52. Insulated and set in one layer.
在另一些实施例中，如图14所示，第一反射部61复用为第一连接导线51，第二反射部62复用为第二连接导线52。In some other embodiments, as shown in FIG. 14 , the first reflection part 61 is multiplexed as the first connection wire 51 , and the second reflection part 62 is multiplexed as the second connection wire 52 .
在这些可选的实施例中，反射单元6分隔为相互绝缘的第一反射部61和第二反射部62，第一反射部61连接于第一接触电极211和第一驱动电极41之间以复用为第一连接导线51，第二反射部62连接于第二接触电极212和第二驱动电极42之间以复用为第二连接导线52，能够进一步简化反射单元6和连接导线5的制备，提高显示面板的制备效率。In these optional embodiments, the reflective unit 6 is divided into a first reflective portion 61 and a second reflective portion 62 that are insulated from each other, and the first reflective portion 61 is connected between the first contact electrode 211 and the first drive electrode 41 to Multiplexed as the first connecting wire 51, the second reflector 62 is connected between the second contact electrode 212 and the second driving electrode 42 to be multiplexed as the second connecting wire 52, which can further simplify the connection between the reflecting unit 6 and the connecting wire 5. preparation to improve the preparation efficiency of the display panel.
请参阅图15，图15是另一实施例中图1中A-A处的剖视图。Please refer to FIG. 15 . FIG. 15 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
如图15所示，在一些可选的实施例中，反射单元6和连接导线5层叠设置，且反射单元6和连接导线5之间设置有绝缘层7。例如，反射单元6可以设置于连接导线5朝向发光单元2的一侧，或者反射单元6可以设置于连接导线5背离发光单元2的一侧。此时反射单元6可以选用和连接导线5不同的材料制备成型，例如反射单元6可以选用反射性能较好的金属材料制备形成，连接导线5可以选用导电性能较好的金属材料制备形成。As shown in FIG. 15 , in some optional embodiments, the reflecting unit 6 and the connecting wire 5 are stacked, and an insulating layer 7 is arranged between the reflecting unit 6 and the connecting wire 5 . For example, the reflective unit 6 can be arranged on the side of the connecting wire 5 facing the light emitting unit 2 , or the reflective unit 6 can be arranged on the side of the connecting wire 5 facing away from the light emitting unit 2 . At this time, the reflective unit 6 can be made of a material different from that of the connecting wire 5. For example, the reflective unit 6 can be made of a metal material with better reflective performance, and the connecting wire 5 can be made of a metal material with better electrical conductivity.
如图15所示，当反射单元6设置于连接导线5背离发光单元2的一侧时，反射单元6可以呈封闭环状设置，反射单元6还可以包括对应设置于第一表面311背离基板1一侧的反射底部以及位于周侧面312上的反射侧部，反射底部和反射侧部相互连接，使得反射单元6呈圆锥台状或棱锥台状，即反射单元6呈开口朝向基板1的碗状，发光单元2位于碗状的反射单元内，使得反射单元6能够更好的反射发光单元2发出的光。As shown in Figure 15, when the reflective unit 6 is arranged on the side of the connecting wire 5 away from the light-emitting unit 2, the reflective unit 6 can be arranged in a closed ring shape, and the reflective unit 6 can also include a The reflective bottom on one side and the reflective side on the peripheral side 312, the reflective bottom and the reflective side are connected to each other, so that the reflective unit 6 is in the shape of a truncated cone or a truncated pyramid, that is, the reflective unit 6 is in the shape of a bowl with an opening facing the substrate 1 , the light emitting unit 2 is located in the bowl-shaped reflective unit, so that the reflective unit 6 can better reflect the light emitted by the light emitting unit 2 .
在这些可选的实施例中，由于反射单元6和连接导线5不同层设置，且反射单元6 设置于连接导线5背离发光单元2的一侧，反射单元6的设置不影响连接导线5，因此反射单元6可以环绕支撑单元的周侧面312设置成封闭环状，反射单元6呈不具有通孔的“碗状”结构体，使得反射单元6能够反射更多的光量，有效提高发光单元2的出光效果。In these optional embodiments, since the reflection unit 6 and the connection wire 5 are arranged in different layers, and the reflection unit 6 is arranged on the side of the connection wire 5 away from the light-emitting unit 2, the setting of the reflection unit 6 does not affect the connection wire 5, so The reflective unit 6 can be arranged in a closed ring around the peripheral side 312 of the support unit, and the reflective unit 6 is a "bowl-shaped" structure without a through hole, so that the reflective unit 6 can reflect more light, effectively improving the light emitting unit 2. Light effect.
可选的，请继续参阅图15，反射单元6和连接导线5之间的绝缘层7覆盖驱动电极4，以避免反射单元6和驱动电极4电连接而导致驱动电极4短路。Optionally, please continue to refer to FIG. 15 , the insulating layer 7 between the reflective unit 6 and the connecting wire 5 covers the driving electrodes 4 , so as to prevent the short circuit of the driving electrodes 4 caused by the electrical connection between the reflective unit 6 and the driving electrodes 4 .
请参阅图16，图16是又一实施例中图1中A-A处的剖视图。Please refer to FIG. 16 . FIG. 16 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
如图16所示，反射单元6设置于连接导线5朝向发光单元2的一侧，反射单元6上设置有绝缘开口，使得接触电极21可以通过绝缘开口和连接导线5相互连接。至少部分连接导线5通过绝缘层7和反射单元6对应设置于周侧面312上。可选的，反射单元6和连接导线5之间的绝缘层7上设置有第一连通孔，以使连接导线5能够通过第一连通孔连接驱动电极4。可选的，反射单元6和连接导线5之间的绝缘层7上设置有第二连通孔，以使连接导线5能够通过第二连通孔连接接触电极21。As shown in FIG. 16 , the reflection unit 6 is disposed on the side of the connection wire 5 facing the light emitting unit 2 , and an insulating opening is provided on the reflection unit 6 , so that the contact electrodes 21 can be connected to the connection wire 5 through the insulation opening. At least part of the connecting wires 5 are correspondingly disposed on the peripheral side 312 through the insulating layer 7 and the reflective unit 6 . Optionally, a first connection hole is provided on the insulating layer 7 between the reflective unit 6 and the connection wire 5 , so that the connection wire 5 can be connected to the driving electrode 4 through the first connection hole. Optionally, a second via hole is provided on the insulating layer 7 between the reflective unit 6 and the connecting wire 5 , so that the connecting wire 5 can be connected to the contact electrode 21 through the second via hole.
在一些可选的实施例中，请继续参阅图2和图3，在一些可选的实施例中，当支撑单元31包括第一表面311时反射单元6还包括第三反射部63，第三反射部63位于第一接触电极211和第二接触电极212之间的第一表面311，第一反射部61、第二反射部62和第三反射部63相互绝缘设置。通过设置第三反射部63能够进一步提高反射单元6的反射光量，提高显示面板的出光效率。In some optional embodiments, please continue to refer to FIGS. The reflective portion 63 is located on the first surface 311 between the first contact electrode 211 and the second contact electrode 212 , and the first reflective portion 61 , the second reflective portion 62 and the third reflective portion 63 are insulated from each other. By disposing the third reflecting portion 63 , the amount of reflected light of the reflecting unit 6 can be further increased, and the light extraction efficiency of the display panel can be improved.
请参阅图17，图17是图2的局部示意图。Please refer to FIG. 17 , which is a partial schematic view of FIG. 2 .
如图17所示，在一些可选的实施例中，周侧面312和第一表面311之间的第一夹角α为91°～160°。例如第一夹角α为120°～150°。即周侧面312和参考平面之间的第一锐角为20°～89°，参考平面与基板1表面平行，基板1表面是指基板1用于放置发光单元2的表面。可选的，周侧面312和参考平面之间的第一锐角为30°～60°。当第一夹角α在上述范围之内时，既能够避免第一夹角α过大导致支撑单元31的尺寸过大，相邻两个发光单元2之间的间隙过大而影响显示面板的显示效果，也能够避免第一夹角α过小，例如当第一夹角α为锐角时，连接导线5难以沉积在周侧面312上，第一夹角α过小也会影响反射单元6对发光单元2出光的反射。As shown in FIG. 17 , in some optional embodiments, the first included angle α between the peripheral side surface 312 and the first surface 311 is 91°˜160°. For example, the first included angle α is 120°˜150°. That is, the first acute angle between the peripheral side 312 and the reference plane is 20°-89°, the reference plane is parallel to the surface of the substrate 1 , and the surface of the substrate 1 refers to the surface of the substrate 1 for placing the light emitting unit 2 . Optionally, the first acute angle between the peripheral side surface 312 and the reference plane is 30°˜60°. When the first included angle α is within the above-mentioned range, it is possible to avoid too large a size of the support unit 31 caused by the first included angle α, and too large a gap between two adjacent light emitting units 2 to affect the display panel. The display effect can also avoid the first included angle α being too small. For example, when the first included angle α is an acute angle, it is difficult for the connecting wire 5 to be deposited on the peripheral side 312. If the first included angle α is too small, it will also affect the reflection unit 6. Reflection of light emitted by the light emitting unit 2 .
请一并参阅图1和图18，图18是还一实施例中图1中A-A处的剖视图。Please refer to FIG. 1 and FIG. 18 together. FIG. 18 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
在一些可选的实施例中，如图1和图18所示，显示面板还包括：封装层8，位于 发光单元2背离基板1的一侧，封装层8包括交替设置的有机层81和无机层82。多个发光单元2在基板1表面间隔分布，相邻的发光单元2会形成缝隙，例如相邻的两个支撑单元31之间存在的第一开口32导致的缝隙，会导致显示面板的厚度不均。有机层81的材料包括有机材料，通过对有机层81进行图案化处理可以改善显示面板的厚度不均。无机层82的材料包括无机材料，无机层82具有致密性优势，能够提高封装层8的封装效果。In some optional embodiments, as shown in FIG. 1 and FIG. 18 , the display panel further includes: an encapsulation layer 8 located on the side of the light-emitting unit 2 away from the substrate 1 , the encapsulation layer 8 includes organic layers 81 and inorganic layers alternately arranged. Layer 82. A plurality of light-emitting units 2 are distributed on the surface of the substrate 1 at intervals, and adjacent light-emitting units 2 will form gaps, such as gaps caused by the first opening 32 existing between two adjacent support units 31, which will cause the thickness of the display panel to vary. all. The material of the organic layer 81 includes organic materials, and the uneven thickness of the display panel can be improved by patterning the organic layer 81 . The material of the inorganic layer 82 includes inorganic materials, and the inorganic layer 82 has the advantage of compactness, which can improve the encapsulation effect of the encapsulation layer 8 .
可选的，如图18所示，封装层8包括沿远离基板1方向依次层叠设置的第一有机层811、无机层82和第二有机层812。通过第一有机层811、无机层82和第二有机层812的交替分布，能够提高封装层8的封装效果。Optionally, as shown in FIG. 18 , the encapsulation layer 8 includes a first organic layer 811 , an inorganic layer 82 and a second organic layer 812 which are sequentially stacked along a direction away from the substrate 1 . Through the alternate distribution of the first organic layer 811 , the inorganic layer 82 and the second organic layer 812 , the encapsulation effect of the encapsulation layer 8 can be improved.
请参阅图19，图19是又一实施例中图1中A-A处的剖视图。Please refer to FIG. 19 . FIG. 19 is a cross-sectional view at A-A in FIG. 1 in another embodiment.
如图19所示，在一些可选的实施例中，无机层82包括第一无机层822和第二无机层821，第一无机层822位于第一有机层811和第二有机层812之间，第二无机层821设置于第一有机层811朝向基板1的一侧。通过增设第二无机层821能够进一步提高封装层8的密封效果。As shown in Figure 19, in some optional embodiments, the inorganic layer 82 includes a first inorganic layer 822 and a second inorganic layer 821, and the first inorganic layer 822 is located between the first organic layer 811 and the second organic layer 812 , the second inorganic layer 821 is disposed on the side of the first organic layer 811 facing the substrate 1 . The sealing effect of the encapsulation layer 8 can be further improved by adding the second inorganic layer 821 .
第一有机层811和第二有机层812可以选用喷墨打印的方式制备成型，第一无机层822可以选用化学气相沉积的方式制备成型。The first organic layer 811 and the second organic layer 812 can be formed by inkjet printing, and the first inorganic layer 822 can be formed by chemical vapor deposition.
发明人发现，当将发光单元2设置于基板1上时，发光单元2需要设置在指定位置，例如发光单元2需要位于对应的第一驱动电极41和第二驱动电极42之间，才不会影响第一接触电极211和第一驱动电极41、第二接触电极212和第二驱动电极42的相互连接。The inventors found that when the light-emitting unit 2 is arranged on the substrate 1, the light-emitting unit 2 needs to be arranged at a specified position, for example, the light-emitting unit 2 needs to be located between the corresponding first driving electrode 41 and the second driving electrode 42, so as not to The mutual connection of the first contact electrode 211 and the first drive electrode 41 , the second contact electrode 212 and the second drive electrode 42 is affected.
请参阅图20至图24，图20是再一实施中图1中A-A处的剖视图，图21是图20的部分结构示意图，图22是图21的俯视图，图23是图20中另一部分的结构示意图，图24是图23的俯视图。Please refer to Figure 20 to Figure 24, Figure 20 is a cross-sectional view at A-A in Figure 1 in another implementation, Figure 21 is a partial structural diagram of Figure 20, Figure 22 is a top view of Figure 21, and Figure 23 is another part of Figure 20 Structural schematic diagram, Fig. 24 is a top view of Fig. 23 .
在一些可选的实施例中，如图20至图24所示，显示面板还包括围绕发光单元2设置的围合部23，基板1上设置有限位部9，限位部9围合形成用于容纳围合部23的限位空间91，限位空间91和围合部23的形状相匹配。In some optional embodiments, as shown in FIG. 20 to FIG. 24 , the display panel further includes an enclosing portion 23 arranged around the light-emitting unit 2, and a limiting portion 9 is arranged on the substrate 1, and the limiting portion 9 is used to enclose and form The shape of the limiting space 91 matches the shape of the surrounding portion 23 for accommodating the limiting space 91 of the enclosing portion 23 .
在这些可选的实施例中，通过设置形状相适配的围合部23和限位部9，当将发光单元2设置于基板1上时，使得围合部23能够落入限位部9内，提高发光单元2和基板1之间的对位精度，进而提升显示面板的良率。In these optional embodiments, by setting the enclosing portion 23 and the limiting portion 9 with matching shapes, when the light emitting unit 2 is placed on the substrate 1, the enclosing portion 23 can fall into the limiting portion 9 In this way, the alignment accuracy between the light emitting unit 2 and the substrate 1 is improved, thereby improving the yield rate of the display panel.
发光单元2例如为Micro-LED，围合部23为环绕发光单元2的有机胶层，在将发光单元2设置在基板1上时，在发光单元2上设置了围合部23以使发光单元2的外轮廓尺寸与限位空间91的尺寸相适配。The light-emitting unit 2 is, for example, a Micro-LED, and the enclosing portion 23 is an organic adhesive layer surrounding the light-emitting unit 2. When the light-emitting unit 2 is placed on the substrate 1, the enclosing portion 23 is provided on the light-emitting unit 2 to make the light-emitting unit 2 is adapted to the size of the limiting space 91.
可选的，限位部9可以选用透明材料，以改善限位部9对发光单元2发出的光的影响。Optionally, the limiting portion 9 can be made of a transparent material, so as to improve the influence of the limiting portion 9 on the light emitted by the light emitting unit 2 .
可选的，限位部9可以位于第一驱动电极41和第二驱动电极42之间，支撑单元31围合限位部9设置，即限位部9位于周侧面312靠近发光单元2的一侧。Optionally, the limiting portion 9 may be located between the first driving electrode 41 and the second driving electrode 42, and the supporting unit 31 is arranged to surround the limiting portion 9, that is, the limiting portion 9 is located on one side of the peripheral side 312 close to the light emitting unit 2. side.
可选的，限位部9的形状设置方式有多种，如图22所示，限位部9可以呈封闭环状。在其他实施例中限位部9还可以为多个，多个限位部9围合形成用于容纳发光单元2的限位空间91即可。限位空间91在基板1上的正投影形状设置方式有多种，如图22所示，限位空间91在基板1上的正投影形状呈矩形，限位部9呈矩形环状设置。在其他实施例中，限位空间91在基板1上的正投影形状还可以为三角形、圆形、椭圆形等规则图形，或者限位空间91在基板1上的正投影形状还可以为由弧线和/或直线组成的不规则图形。围合部23的形状和限位空间91的形状相适配，使得围合部23能够精确落入限位空间91内。Optionally, there are various ways to set the shape of the limiting portion 9 , as shown in FIG. 22 , the limiting portion 9 may be in the shape of a closed ring. In other embodiments, there may be a plurality of limiting portions 9 , and it is sufficient that the limiting portions 9 enclose and form a limiting space 91 for accommodating the light emitting unit 2 . There are many ways to set the orthographic shape of the limiting space 91 on the substrate 1 . As shown in FIG. 22 , the orthographic shape of the limiting space 91 on the substrate 1 is rectangular, and the limiting part 9 is arranged in a rectangular ring shape. In other embodiments, the shape of the orthographic projection of the limiting space 91 on the substrate 1 can also be a regular figure such as a triangle, circle, or ellipse, or the shape of the orthographic projection of the limiting space 91 on the substrate 1 can also be an arc An irregular figure composed of lines and/or straight lines. The shape of the enclosing portion 23 matches the shape of the limiting space 91 , so that the enclosing portion 23 can accurately fall into the limiting space 91 .
发明人发现，在本申请实施例中，当采用多个本申请实施例中的显示面板拼接成拼接显示屏时，显示面板包括基板1和设置于基板1的驱动电极4、发光单元2、支撑单元31和连接导线5。由于发光单元2朝向基板1发光，发光单元2背离基板1的一侧为非发光侧，因此可以在发光单元2的非发光侧直接布置走线和芯片等结构，无需在显示面板的基板1的侧面走线，能够减小相邻两个显示面板之间的拼接缝，有效提高拼接显示屏的显示效果。The inventors found that, in the embodiment of the present application, when multiple display panels in the embodiments of the present application are used to form a spliced display screen, the display panel includes a substrate 1, a driving electrode 4 disposed on the substrate 1, a light emitting unit 2, a support Unit 31 and connecting wire 5. Since the light-emitting unit 2 emits light toward the substrate 1, the side of the light-emitting unit 2 facing away from the substrate 1 is the non-light-emitting side, so structures such as wiring and chips can be directly arranged on the non-light-emitting side of the light-emitting unit 2, without the need for the substrate 1 of the display panel. The wiring on the side can reduce the splicing seam between two adjacent display panels, and effectively improve the display effect of the spliced display.
请参阅图1和图25，图25是本申请还一实施例中图1中A-A处的剖视图。Please refer to FIG. 1 and FIG. 25 . FIG. 25 is a cross-sectional view at A-A in FIG. 1 in another embodiment of the present application.
在一些可选的实施例中，如图1和图25所示，显示面板还包括：驱动线10，设置于基板1的驱动电极4所在侧。将驱动线10设置于基板1的驱动电极4所在侧，使得驱动线10可以直接与驱动电极4相互连接，无需在基板1的侧面走线，能够减小相邻两个显示面板之间的拼接缝。In some optional embodiments, as shown in FIG. 1 and FIG. 25 , the display panel further includes: a driving line 10 disposed on the side of the substrate 1 where the driving electrode 4 is located. The drive line 10 is arranged on the side of the substrate 1 where the drive electrode 4 is located, so that the drive line 10 can be directly connected to the drive electrode 4 without wiring on the side of the substrate 1, and the splicing between two adjacent display panels can be reduced. seam.
可选的，显示面板还包括支撑部34，支撑部34和支撑单元31同层同材料设置，至少部分驱动线10设置于支撑部34背离基板1的表面。支撑部34和支撑单元31可以在同一工艺步骤中制备成型，简化显示面板的制备工艺，提高显示面板的制备效率。 且通过支撑部34可以向驱动线10提供柔性支撑，一方面能够减小部分驱动线10和发光单元2的高度差，便于对驱动线10进行绑定；另一方面能够改善绑定过程中驱动线10的受力，提高驱动线10和基板1的使用寿命。Optionally, the display panel further includes a support portion 34 , the support portion 34 and the support unit 31 are provided on the same layer and material, and at least part of the driving lines 10 are disposed on the surface of the support portion 34 away from the substrate 1 . The supporting part 34 and the supporting unit 31 can be manufactured and formed in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel. Moreover, the support part 34 can provide flexible support for the driving wire 10, on the one hand, it can reduce the height difference between part of the driving wire 10 and the light emitting unit 2, and facilitate the binding of the driving wire 10; on the other hand, it can improve the driving force in the binding process The stress on the wire 10 improves the service life of the driving wire 10 and the substrate 1 .
可选的，支撑部34和支撑单元31之间也会形成第一开口32，驱动电极4由第一开口32露出。Optionally, a first opening 32 is also formed between the supporting portion 34 and the supporting unit 31 , and the driving electrode 4 is exposed through the first opening 32 .
可选的，显示面板还包括驱动器11，驱动器11在基板1的驱动电极4所在侧连接驱动线10。将驱动器11直接设置于发光单元2的非显示侧和驱动线10相互连接，一方面能够减小驱动线10和驱动器11之间的距离，减小驱动线10的走线长度；另一方面，驱动器11不会对显示面板显示效果产生影响。Optionally, the display panel further includes a driver 11 connected to the driving line 10 on the side of the substrate 1 where the driving electrodes 4 are located. The driver 11 is directly arranged on the non-display side of the light-emitting unit 2 and connected to the drive line 10. On the one hand, the distance between the drive line 10 and the driver 11 can be reduced, and the length of the drive line 10 can be reduced; on the other hand, The driver 11 will not affect the display effect of the display panel.
可选的，驱动线10和连接导线5同层同材料设置，使得驱动线10和连接导线5可以在同一工艺步骤中制备成型，简化显示面板的制备工艺，提高显示面板的制备效率。Optionally, the driving wire 10 and the connecting wire 5 are provided in the same layer and material, so that the driving wire 10 and the connecting wire 5 can be manufactured in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel.
在一些可选的实施例中，显示面板还包括缓冲层12，缓冲层12包括第三开口122和位于基板1和发光单元2之间的缓冲单元121，驱动电极4由第三开口122与连接导线5相互连接。通过设置缓冲层12，在发光单元2落在基板1上时，能够减小发光单元2的回弹和发光单元2和基板1之间的摩擦，提高发光单元2的良率。In some optional embodiments, the display panel further includes a buffer layer 12. The buffer layer 12 includes a third opening 122 and a buffer unit 121 located between the substrate 1 and the light emitting unit 2. The driving electrode 4 is connected to the The wires 5 are connected to each other. By providing the buffer layer 12 , when the light emitting unit 2 falls on the substrate 1 , the rebound of the light emitting unit 2 and the friction between the light emitting unit 2 and the substrate 1 can be reduced, and the yield of the light emitting unit 2 can be improved.
可选的，当显示面板包括限位部9时，缓冲单元121可以位于限位部9围合形成的限位空间91内。Optionally, when the display panel includes the limiting portion 9 , the buffer unit 121 may be located in the limiting space 91 enclosed by the limiting portion 9 .
本申请第二方面的实施例提供一种显示装置，包括上述任一第一方面实施例的显示面板。由于本申请第二方面实施例提供的显示装置包括上述第一方面任一实施例的显示面板，因此本申请第二方面实施例提供的显示装置具有上述第一方面任一实施例的显示面板具有的有益效果，在此不再赘述。The embodiment of the second aspect of the present application provides a display device, including the display panel of any one of the above-mentioned embodiments of the first aspect. Since the display device provided by the embodiment of the second aspect of the present application includes the display panel of any embodiment of the first aspect above, the display device provided by the embodiment of the second aspect of the present application has the display panel of any embodiment of the first aspect above. The beneficial effects will not be repeated here.
本申请实施例中的显示装置包括但不限于手机、个人数字助理(Personal Digital Assistant，简称：PDA)、平板电脑、电子书、电视机、门禁、智能固定电话、控制台等具有显示功能的设备。The display devices in the embodiments of the present application include but are not limited to mobile phones, personal digital assistants (Personal Digital Assistant, PDA for short), tablet computers, e-books, televisions, access control, smart fixed phones, consoles and other devices with display functions .
本申请第三方面的实施例提供一种显示面板的制备方法。请参阅图26，图26是本申请实施例提供的一种显示面案的制备方法流程示意图。该显示面板可以为上述任一第一方面实施例提供的显示面板。The embodiment of the third aspect of the present application provides a method for manufacturing a display panel. Please refer to FIG. 26 . FIG. 26 is a schematic flowchart of a method for preparing a display panel provided in an embodiment of the present application. The display panel may be the display panel provided in any one of the foregoing embodiments of the first aspect.
如图1至图26所示，显示面板的制备方法包括：As shown in FIG. 1 to FIG. 26, the manufacturing method of the display panel includes:
步骤S01：在基板1表面布置多个间隔分布的驱动电极4。Step S01 : arranging a plurality of driving electrodes 4 spaced apart on the surface of the substrate 1 .
可以在基板1表面形成金属材料层，对金属材料层进行图案化处理形成驱动电极4。A metal material layer may be formed on the surface of the substrate 1 , and the metal material layer is patterned to form the driving electrodes 4 .
步骤S02：将发光单元2设置于基板1表面，且发光单元2和驱动电极4位于基板1的同侧，发光单元2包括接触电极21，且发光单元2朝向基板1出射光线。Step S02 : disposing the light emitting unit 2 on the surface of the substrate 1 , and the light emitting unit 2 and the driving electrode 4 are located on the same side of the substrate 1 , the light emitting unit 2 includes the contact electrode 21 , and the light emitting unit 2 emits light toward the substrate 1 .
步骤S03：在发光单元2所在侧设置支撑材料层，对支撑材料层进行图案化处理形成设有支撑面的支撑单元31。Step S03: setting a support material layer on the side where the light emitting unit 2 is located, and patterning the support material layer to form a support unit 31 with a support surface.
可选的，至少部分驱动电极4和接触电极21由支撑单元31露出。Optionally, at least part of the driving electrodes 4 and the contact electrodes 21 are exposed by the supporting unit 31 .
可选的，支撑单元31形成上述的第一开口32和第二开口33，驱动电极4由第一开口32露出，接触电极21由第二开口33露出。Optionally, the above-mentioned first opening 32 and second opening 33 are formed on the support unit 31 , the driving electrode 4 is exposed through the first opening 32 , and the contact electrode 21 is exposed through the second opening 33 .
步骤S04：在支撑单元31上形成金属材料层，对金属材料层进行图案化处理形成连接导线5，连接导线5连接接触电极21和驱动电极4，且至少部分连接导线沿接触电极21至驱动电极4的方向倾斜延伸。Step S04: forming a metal material layer on the support unit 31, patterning the metal material layer to form a connecting wire 5, the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4, and at least part of the connecting wire is along the contact electrode 21 to the driving electrode 4 extends obliquely in the direction.
经过本申请实施提供的方法制备成型的显示面板中，发光单元2的接触电极21位于其背离基板1的一侧，且发光单元2朝向基板1出射光线，因此可以由发光单元2的非出光侧通过连接导线5连接接触电极21和驱动电极4，不会影响显示面板的发光，能够有效提高显示面板的发光效果。此外，连接导线5沿倾斜路径连接接触电极21和驱动电极4，一方面能够简化连接导线5的布线，另一方面能够尽量减小连接导线5的长度，便于连接导线5的制备成型，提高连接导线5的稳定性，改善由于连接导线5断线导致的显示面板不良。因此本申请实施例能够提高显示面板的发光效果和显示面板的良率。In the display panel prepared by the method provided by the implementation of this application, the contact electrode 21 of the light-emitting unit 2 is located on the side away from the substrate 1, and the light-emitting unit 2 emits light toward the substrate 1, so the non-light-emitting side of the light-emitting unit 2 can Connecting the contact electrode 21 and the driving electrode 4 through the connecting wire 5 does not affect the light emission of the display panel, and can effectively improve the light emission effect of the display panel. In addition, the connecting wire 5 is connected to the contact electrode 21 and the driving electrode 4 along an inclined path, on the one hand, the wiring of the connecting wire 5 can be simplified, and on the other hand, the length of the connecting wire 5 can be reduced as much as possible, which facilitates the preparation and molding of the connecting wire 5 and improves the connection. The stability of the wire 5 can improve the defect of the display panel caused by the disconnection of the connecting wire 5 . Therefore, the embodiment of the present application can improve the luminous effect of the display panel and the yield of the display panel.
可选的，在步骤S03中，支撑单元31还可以包括环绕至少部分发光单元2设置的周侧面312，在接触电极21至驱动电极4的方向上，周侧面312沿远离发光单元2的方向倾斜延伸。在步骤S04中，至少部分连接导线5支撑于所述周侧面312，以使连接导线5能够沿周侧面312倾斜延伸。Optionally, in step S03, the support unit 31 may also include a peripheral side surface 312 disposed around at least part of the light emitting unit 2, and in the direction from the contact electrode 21 to the driving electrode 4, the peripheral side surface 312 is inclined in a direction away from the light emitting unit 2 extend. In step S04 , at least part of the connecting wires 5 are supported on the peripheral side 312 , so that the connecting wires 5 can extend obliquely along the peripheral side 312 .
可选的，在步骤S04中还形成反射单元6，反射单元6可以与连接导线5同层或异层设置。如上所述，反射单元6能够反射发光单元2发出的光，提高显示面板的出光效率。Optionally, in step S04 , a reflective unit 6 is also formed, and the reflective unit 6 and the connecting wire 5 may be arranged in the same layer or in a different layer. As mentioned above, the reflection unit 6 can reflect the light emitted by the light emitting unit 2 to improve the light extraction efficiency of the display panel.
当反射单元6和连接导线5同层设置时，在步骤S04中，对金属材料层进行图案 化处理以形成反射单元6和连接导线5，至少部分反射单元6设置于周侧面312并环绕发光单元2设置，至少部分连接导线5位于周侧面312并连接接触电极21和驱动电极4。在同一工艺步骤S04中同时形成连接导线5和反射单元6，能够简化显示面板的制备，提高显示面板的制备效率。When the reflection unit 6 and the connection wire 5 are arranged on the same layer, in step S04, the metal material layer is patterned to form the reflection unit 6 and the connection wire 5, at least part of the reflection unit 6 is arranged on the peripheral side 312 and surrounds the light emitting unit 2, at least part of the connecting wire 5 is located on the peripheral side 312 and connects the contact electrode 21 and the driving electrode 4. Simultaneously forming the connecting wire 5 and the reflecting unit 6 in the same process step S04 can simplify the production of the display panel and improve the production efficiency of the display panel.
当反射单元6和连接导线5异层设置时，反射单元6可以设置于连接导线5朝向或背离发光单元2的一侧。When the reflective unit 6 and the connecting wire 5 are arranged in different layers, the reflective unit 6 can be arranged on the side of the connecting wire 5 facing or facing away from the light emitting unit 2 .
如图15所示，当反射单元6设置于连接导线5背离发光单元2的一侧时，在步骤S04之后还包括：在连接导线5上形成绝缘材料层；在绝缘材料层上形成反射材料层，对反射材料层进行图案化处理形成反射单元6，至少部分反射单元6设置于周侧面312并环绕发光单元2设置。As shown in Figure 15, when the reflective unit 6 is arranged on the side of the connecting wire 5 away from the light-emitting unit 2, after step S04, it also includes: forming an insulating material layer on the connecting wire 5; forming a reflective material layer on the insulating material layer The reflective material layer is patterned to form the reflective unit 6 , at least part of the reflective unit 6 is disposed on the peripheral side surface 312 and surrounds the light emitting unit 2 .
如图16所示，当反射单元6设置于连接导线5朝向发光单元2的一侧时，在步骤S04之前还包括：在支撑单元31上形成反射材料层，对反射材料层进行图案化处理形成反射单元6，至少部分反射单元6设置于周侧面312并环绕发光单元2设置。可选的，反射单元6上设置有绝缘开口，接触电极21由绝缘开口露出。在步骤S04中：在反射单元6上形成绝缘材料层；在绝缘材料层上形成金属材料层，对金属材料进行图案化处理形成连接导线5。可选的，还可以对绝缘材料层进行图案化处理形成第一连通孔，驱动电极4由第一连通孔露出，以使连接导线5能够通过第一连通孔连接驱动电极4。可选的，还可以对绝缘材料层进行图案化处理形成第二连通孔，接触电极21由第二连通孔露出，以使连接导线5能够通过第二连通孔连接接触电极21。在另一些实施例中，连接导线5也可以伸入第一连通孔内与驱动电极4连接，连接导线5也可以伸入绝缘开口、第二连通孔内与接触电极21相互连接。As shown in Figure 16, when the reflective unit 6 is arranged on the side of the connecting wire 5 facing the light-emitting unit 2, before step S04, it also includes: forming a reflective material layer on the support unit 31, patterning the reflective material layer to form The reflective unit 6 , at least part of the reflective unit 6 is disposed on the peripheral side 312 and surrounds the light emitting unit 2 . Optionally, the reflective unit 6 is provided with an insulating opening, and the contact electrode 21 is exposed through the insulating opening. In step S04 : an insulating material layer is formed on the reflection unit 6 ; a metal material layer is formed on the insulating material layer, and the metal material is patterned to form the connecting wire 5 . Optionally, the insulating material layer can also be patterned to form a first via hole through which the driving electrode 4 is exposed, so that the connecting wire 5 can be connected to the driving electrode 4 through the first via hole. Optionally, the insulating material layer can also be patterned to form a second via hole through which the contact electrode 21 is exposed, so that the connecting wire 5 can connect to the contact electrode 21 through the second via hole. In some other embodiments, the connection wire 5 can also be inserted into the first communication hole to connect with the driving electrode 4 , and the connection wire 5 can also be inserted into the insulating opening and connected to the contact electrode 21 in the second communication hole.
在一些可选的实施例中，在步骤S03中：在发光单元2所在侧设置支撑材料层，对支撑材料层进行图案化处理形成支撑单元31和支撑部34。那么在步骤S04中，在支撑单元31和支撑部34上形成金属材料层，对金属材料层进行图案化处理形成连接导线5和驱动线10，至少部分连接导线5位于周侧面312，至少部分驱动线10设置于支撑部34背离基板1的表面。In some optional embodiments, in step S03 : a support material layer is provided on the side where the light emitting unit 2 is located, and the support material layer is patterned to form the support unit 31 and the support portion 34 . Then in step S04, a metal material layer is formed on the support unit 31 and the support portion 34, and the metal material layer is patterned to form the connecting wire 5 and the driving wire 10, at least part of the connecting wire 5 is located on the peripheral side 312, at least part of the driving wire The wire 10 is disposed on the surface of the support portion 34 away from the substrate 1 .
在一些可选的实施例中，在步骤S04中：在支撑单元31和支撑部34上形成金属材料层，对金属材料层进行图案化处理形成连接导线5和驱动线10。使得驱动线10能够位于基板1的驱动电极4所在侧，驱动线10可以直接与驱动电极4相互连接，无需 在基板1的侧面走线，能够减小相邻两个显示面板之间的拼接缝。In some optional embodiments, in step S04 : a metal material layer is formed on the supporting unit 31 and the supporting portion 34 , and the metal material layer is patterned to form the connecting wire 5 and the driving wire 10 . The drive line 10 can be located on the side where the drive electrode 4 of the substrate 1 is located, and the drive line 10 can be directly connected to the drive electrode 4 without wiring on the side of the substrate 1, which can reduce the splicing between two adjacent display panels seam.
支撑部34和支撑单元31可以在同一工艺步骤中制备成型，简化显示面板的制备工艺，提高显示面板的制备效率。且通过支撑部34可以向驱动线10提供柔性支撑，一方面能够减小部分驱动线10和发光单元2的高度差，便于对驱动线10进行绑定；另一方面能够改善绑定过程中驱动线10的受力，提高驱动线10和基板1的使用寿命。The supporting part 34 and the supporting unit 31 can be manufactured and formed in the same process step, which simplifies the manufacturing process of the display panel and improves the manufacturing efficiency of the display panel. Moreover, the support part 34 can provide flexible support for the driving wire 10, on the one hand, it can reduce the height difference between part of the driving wire 10 and the light emitting unit 2, and facilitate the binding of the driving wire 10; on the other hand, it can improve the driving force in the binding process The stress on the wire 10 improves the service life of the driving wire 10 and the substrate 1 .
可选的，在步骤S04之后还包括：将驱动线10连接于驱动器11。可选的，驱动器11在基板1的驱动电极4所在侧连接驱动线10。将驱动器11直接设置于发光单元2的非显示侧和驱动线10相互连接，一方面能够减小驱动线10和驱动器11之间的距离，减小驱动线10的走线长度；另一方面，驱动器11不会对显示面板显示效果产生影响。Optionally, after step S04 , the method further includes: connecting the driving line 10 to the driver 11 . Optionally, the driver 11 is connected to the driving line 10 on the side of the substrate 1 where the driving electrodes 4 are located. The driver 11 is directly arranged on the non-display side of the light-emitting unit 2 and connected to the drive line 10. On the one hand, the distance between the drive line 10 and the driver 11 can be reduced, and the length of the drive line 10 can be reduced; on the other hand, The driver 11 will not affect the display effect of the display panel.
虽然已经参考优选实施例对本申请进行了描述，但在不脱离本申请的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, as long as there is no structural conflict, the technical features mentioned in the various embodiments can be combined in any manner. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (20)

  1. 一种显示面板，包括：A display panel, comprising:
    基板；Substrate;
    发光单元，设置于所述基板，所述发光单元包括接触电极，且所述发光单元朝向所述基板出射光线；a light emitting unit disposed on the substrate, the light emitting unit includes a contact electrode, and the light emitting unit emits light toward the substrate;
    驱动电极，位于所述接触电极朝向所述基板的一侧；a driving electrode located on a side of the contact electrode facing the substrate;
    设有支撑面的支撑单元，所述支撑面在所述接触电极和所述驱动电极之间延伸；a support unit provided with a support surface extending between the contact electrode and the drive electrode;
    连接导线，连接所述接触电极和所述驱动电极，至少部分所述连接导线支撑于所述支撑面上，且沿所述接触电极至所述驱动电极的方向倾斜延伸。The connecting wire connects the contact electrode and the driving electrode, at least part of the connecting wire is supported on the supporting surface and extends obliquely along the direction from the contact electrode to the driving electrode.
  2. 根据权利要求1所述的显示面板，其中，The display panel according to claim 1, wherein,
    沿所述接触电极至所述驱动电极的方向，至少部分所述连接导线沿直线型轨迹倾斜延伸；Along the direction from the contact electrode to the driving electrode, at least part of the connecting wires extend obliquely along a linear trajectory;
    或者，沿所述接触电极至所述驱动电极的方向，至少部分所述连接导线沿弧线型轨迹倾斜延伸。Alternatively, along the direction from the contact electrode to the driving electrode, at least part of the connecting wires extend obliquely along an arc-shaped track.
  3. 根据权利要求1所述的显示面板，其中，所述接触电极位于所述发光单元背离所述基板的一侧；The display panel according to claim 1, wherein the contact electrode is located on a side of the light emitting unit away from the substrate;
    或者，所述接触电极位于所述发光单元在第一方向上的侧面。Alternatively, the contact electrode is located on a side of the light emitting unit in the first direction.
  4. 根据权利要求1所述的显示面板，其中，所述支撑面包括环绕至少部分所述发光单元设置的周侧面，沿所述接触电极至所述驱动电极的方向上，所述周侧面沿远离所述发光单元的方向倾斜延伸，至少部分所述连接导线支撑于所述周侧面。The display panel according to claim 1, wherein the supporting surface includes a peripheral side that surrounds at least part of the light emitting unit, and along the direction from the contact electrode to the driving electrode, the peripheral side is away from the The direction of the light-emitting unit extends obliquely, and at least part of the connecting wires are supported on the peripheral side.
  5. 根据权利要求4所述的显示面板，其中，还包括反射单元，至少部分所述反射单元在所述周侧面上环绕所述发光单元设置，所述反射单元用于反射所述发光单元发出的光线。The display panel according to claim 4, further comprising a reflective unit, at least part of the reflective unit is disposed around the light emitting unit on the peripheral side, and the reflective unit is used to reflect the light emitted by the light emitting unit .
  6. 根据权利要求5所述的显示面板，其中，所述反射单元包括第一部分和第二部分，所述第一部分和所述第二部分中的至少一者上设置有透光开口，以使所述第一部分和所述第二部分的反射光量差小于或等于预设阈值。The display panel according to claim 5, wherein the reflection unit comprises a first part and a second part, at least one of the first part and the second part is provided with a light-transmitting opening, so that the The reflected light difference between the first part and the second part is less than or equal to a preset threshold.
  7. 根据权利要求6所述的显示面板，其中，所述反射单元和至少部分所述连接导线同层设置；或者，The display panel according to claim 6, wherein the reflective unit and at least part of the connecting wires are arranged in the same layer; or,
    所述反射单元和至少部分所述连接导线层叠设置，且所述反射单元和所述连接导线之间设置有绝缘层。The reflection unit and at least part of the connection wires are stacked, and an insulating layer is arranged between the reflection unit and the connection wires.
  8. 根据权利要求7所述的显示面板，其中，当所述反射单元和至少部分所述连接导线同层设置；The display panel according to claim 7, wherein when the reflective unit and at least part of the connecting wires are arranged in the same layer;
    所述驱动电极包括第一驱动电极和第二驱动电极，所述接触电极包括第一接触电极和第二接触电极，所述连接导线包括第一连接导线和第二连接导线，所述第一驱动电极和所述第一接触电极通过所述第一连接导线连接，所述第二驱动电极和所述第二接触电极通过所述第二连接导线连接；The drive electrodes include a first drive electrode and a second drive electrode, the contact electrodes include a first contact electrode and a second contact electrode, the connection wires include a first connection wire and a second connection wire, and the first drive The electrode is connected to the first contact electrode through the first connecting wire, and the second driving electrode is connected to the second contact electrode through the second connecting wire;
    所述反射单元包括相互绝缘的第一反射部和第二反射部。The reflection unit includes a first reflection part and a second reflection part insulated from each other.
  9. 根据权利要求5-8任一项所述的显示面板，其中，所述周侧面和参考平面之间的第一锐角为20°～89°，所述参考平面与所述基板表面平行设置。The display panel according to any one of claims 5-8, wherein a first acute angle between the peripheral side surface and a reference plane is 20°-89°, and the reference plane is arranged parallel to the surface of the substrate.
  10. 根据权利要求1所述的显示面板，还包括：封装层，位于所述发光单元和所述支撑单元背离所述基板的一侧，所述封装层包括交替设置的有机层和无机层。The display panel according to claim 1, further comprising: an encapsulation layer located on a side of the light emitting unit and the support unit away from the substrate, the encapsulation layer comprising organic layers and inorganic layers arranged alternately.
  11. 根据权利要求1所述的显示面板，还包括围合所述发光单元的围合部；The display panel according to claim 1, further comprising an enclosing portion enclosing the light emitting unit;
    所述基板上设置有限位部，所述限位部围合形成用于容纳所述围合部的限位空间，所述限位空间和所述围合部的形状相匹配。A limiting part is arranged on the base plate, and the limiting part encloses and forms a limiting space for accommodating the enclosing part, and the limiting space matches the shape of the enclosing part.
  12. 根据权利要求1所述的显示面板，还包括：The display panel according to claim 1, further comprising:
    驱动线，设置于所述基板的所述驱动电极所在侧；a driving line arranged on the side of the substrate where the driving electrodes are located;
    支撑部，所述支撑部和所述支撑单元同层同材料设置，至少部分所述驱动线设置于所述支撑部背离所述基板的表面。The support part, the support part and the support unit are provided in the same layer and the same material, and at least part of the driving lines are provided on the surface of the support part away from the substrate.
  13. 根据权利要求1所述的显示面板，还包括：缓冲层，所述缓冲层包括第一开口和位于所述基板和所述发光单元之间的缓冲单元，所述驱动电极由所述第一开口与所述连接导线相互连接。The display panel according to claim 1, further comprising: a buffer layer including a first opening and a buffer unit located between the substrate and the light emitting unit, the driving electrode is formed by the first opening Connect with the connecting wires.
  14. 根据权利要求1所述的显示面板，其中，所述支撑单元和所述发光单元均为多个，各所述支撑单元环绕各所述发光单元设置，相邻的两个所述支撑单元之间形成第一开口，至少部分所述驱动电极经由所述第一开口和所述连接导线连接。The display panel according to claim 1, wherein both the support unit and the light-emitting unit are plural, each support unit is arranged around each light-emitting unit, and the space between two adjacent support units is A first opening is formed, and at least part of the driving electrodes are connected to the connecting wires through the first opening.
  15. 一种显示装置，包括权利要求1-14任一项所述的显示面板。A display device, comprising the display panel according to any one of claims 1-14.
  16. 一种显示面板的制备方法，包括：A method for preparing a display panel, comprising:
    在基板表面布置多个间隔分布的驱动电极；arranging a plurality of driving electrodes distributed at intervals on the surface of the substrate;
    将发光单元设置于基板表面，且所述发光单元和所述驱动电极位于所述基板的同侧，所述发光单元包括接触电极，所述发光单元朝向所述基板出射光线；The light-emitting unit is arranged on the surface of the substrate, and the light-emitting unit and the driving electrode are located on the same side of the substrate, the light-emitting unit includes a contact electrode, and the light-emitting unit emits light toward the substrate;
    在所述发光单元所在侧设置支撑材料层，对所述支撑材料层进行图案化处理形成设有支撑面的支撑单元；A support material layer is provided on the side where the light-emitting unit is located, and the support material layer is patterned to form a support unit with a support surface;
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线，所述连接导线连接所述接触电极和所述驱动电极，至少部分所述连接导线沿所述接触电极至所述驱动电极的方向倾斜延伸。A metal material layer is formed on the support unit, and the metal material layer is patterned to form a connection wire, the connection wire connects the contact electrode and the driving electrode, and at least part of the connection wire is along the contact The direction from the electrodes to the driving electrodes extends obliquely.
  17. 根据权利要求16所述的方法，其中，The method of claim 16, wherein,
    在所述发光单元所在侧设置支撑材料层，对所述支撑材料层进行图案化处理形成设有支撑面的支撑单元的步骤中：所述支撑面包括环绕至少部分所述发光单元设置的周侧面，所述周侧面沿所述接触电极至所述驱动电极的方向倾斜延伸；A support material layer is provided on the side where the light-emitting unit is located, and in the step of patterning the support material layer to form a support unit with a support surface: the support surface includes a peripheral side that surrounds at least part of the light-emitting unit , the peripheral side extends obliquely along the direction from the contact electrode to the drive electrode;
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤中：至少部分所述连接导线支撑于所述周侧面。In the step of forming a metal material layer on the supporting unit, and patterning the metal material layer to form connecting wires: at least part of the connecting wires are supported on the peripheral side.
  18. 根据权利要求17所述的方法，其中，The method of claim 17, wherein,
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤中：对所述金属材料层进行图案化处理形成反射单元和连接导线，至少部分所述反射单元设置于所述周侧面并环绕所述发光单元设置，至少部分所述连接导线支撑于所述周侧面并连接所述接触电极和所述驱动电极。In the step of forming a metal material layer on the support unit, patterning the metal material layer to form a connecting wire: patterning the metal material layer to form a reflection unit and a connecting wire, at least part of the reflection The unit is disposed on the peripheral side and surrounds the light-emitting unit, and at least part of the connection wires are supported on the peripheral side and connected to the contact electrode and the driving electrode.
  19. 根据权利要求17所述的方法，其中，The method of claim 17, wherein,
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤之前还包括：在所述支撑单元上形成反射材料层，对所述反射材料层进行图案化处理形成反射单元，至少部分所述反射单元设置于所述周侧面并环绕所述发光单元设置；Before the step of forming a metal material layer on the support unit and patterning the metal material layer to form the connecting wire, it also includes: forming a reflective material layer on the support unit, and patterning the reflective material layer. processing to form a reflection unit, at least part of the reflection unit is disposed on the peripheral side and surrounds the light emitting unit;
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤中：在所述反射单元上形成绝缘材料层，在所述绝缘材料层上形成金属材料层，对所述金属材料进行图案化处理形成连接导线；或者，In the step of forming a metal material layer on the support unit, and patterning the metal material layer to form connecting wires: forming an insulating material layer on the reflection unit, forming a metal material layer on the insulating material layer , patterning the metal material to form connecting wires; or,
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤之后还包括：After forming a metal material layer on the support unit, and patterning the metal material layer to form connecting wires, it further includes:
    在所述连接导线上形成绝缘材料层；forming a layer of insulating material on the connecting wire;
    在所述绝缘材料层上形成反射材料层，对所述反射材料层进行图案化处理形成反射单元，至少部分所述反射单元设置于所述周侧面并环绕所述发光单元设置。A reflective material layer is formed on the insulating material layer, and the reflective material layer is patterned to form a reflective unit, at least part of the reflective unit is disposed on the peripheral side and surrounds the light emitting unit.
  20. 根据权利要求16所述的方法，其中，The method of claim 16, wherein,
    在所述发光单元所在侧设置支撑材料层，对所述支撑材料层进行图案化处理形成设有支撑面的支撑单元的步骤中：对支撑材料层进行图案化处理形成支撑单元和支撑部；或者，A support material layer is provided on the side where the light-emitting unit is located, and in the step of patterning the support material layer to form a support unit with a support surface: patterning the support material layer to form a support unit and a support portion; or ,
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤中：在支撑单元和支撑部上形成金属材料层，对金属材料层进行图案化处理形成连接导线和驱动线；或者，In the step of forming a metal material layer on the support unit, patterning the metal material layer to form a connecting wire: forming a metal material layer on the support unit and the support part, and patterning the metal material layer to form a connection conductors and drive wires; or,
    在所述发光单元所在侧设置支撑材料层，对所述支撑材料层进行图案化处理形成设有支撑面的支撑单元的步骤中：对支撑材料层进行图案化处理形成支撑单元和支撑部；A support material layer is provided on the side where the light-emitting unit is located, and the step of patterning the support material layer to form a support unit with a support surface: patterning the support material layer to form a support unit and a support portion;
    在所述支撑单元上形成金属材料层，对所述金属材料层进行图案化处理形成连接导线的步骤中：在支撑单元和支撑部上形成金属材料层，对金属材料层进行图案化处理形成连接导线和驱动线。In the step of forming a metal material layer on the support unit, patterning the metal material layer to form a connecting wire: forming a metal material layer on the support unit and the support part, and patterning the metal material layer to form a connection wires and drive wires.
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