WO2022257500A1 - 显示面板和显示设备 - Google Patents

显示面板和显示设备 Download PDF

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Publication number
WO2022257500A1
WO2022257500A1 PCT/CN2022/076958 CN2022076958W WO2022257500A1 WO 2022257500 A1 WO2022257500 A1 WO 2022257500A1 CN 2022076958 W CN2022076958 W CN 2022076958W WO 2022257500 A1 WO2022257500 A1 WO 2022257500A1
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WO
WIPO (PCT)
Prior art keywords
edge
area
goa
corner
display
Prior art date
Application number
PCT/CN2022/076958
Other languages
English (en)
French (fr)
Inventor
田正
Original Assignee
荣耀终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 荣耀终端有限公司 filed Critical 荣耀终端有限公司
Priority to EP22819107.8A priority Critical patent/EP4336487A1/en
Publication of WO2022257500A1 publication Critical patent/WO2022257500A1/zh

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections

Definitions

  • the present application relates to the technical field of terminals, and in particular to a display panel and a display device.
  • a gate driver on array (GOA) circuit and a signal line of the GOA circuit are arranged at the corner R.
  • the GOA circuit and the signal lines of the GOA circuit occupy the space of the R corner area, resulting in a large border of the R corner, which cannot be reduced.
  • Embodiments of the present application provide a display panel and a display device. Setting the GOA circuit on the upper frame and/or the left and right frames does not occupy the space of the R corner, and then the R corner frame can be reduced to beautify the visual effect and reduce the appearance of wrinkles in production.
  • an embodiment of the present application provides a display panel, which is applied to a terminal device with a display function.
  • the display panel includes: a display area and a peripheral area at least partially surrounding the display area; the display area includes a first edge, a second edge, a third edge and a fourth edge, the first edge is opposite to the second edge, the third edge and The fourth edge is oppositely arranged, and the corner between the first edge and the fourth edge is curved; wherein, the display area includes a plurality of pixel units; the peripheral areas corresponding to the first edge, the second edge, and the third edge all include a gate Driving the GOA circuit and the GOA signal line; the GOA circuit is used to drive the pixel unit, and the GOA signal line is used to connect the GOA circuit and the pixel unit; wherein, the peripheral areas corresponding to the first edge, the second edge and the third edge include all the GOA circuits.
  • the GOA circuit is prevented from occupying the space of the corner area, thereby reducing the frame of the corner, beautifying the visual effect and avoiding wrinkles.
  • the peripheral area corresponding to the corner includes the panel crack detection PCD lead and the water-oxygen barrier wall Dam area, and the distance between the PCD lead and the corner is smaller than the distance between the Dam area and the corner, so that the PCD lead will not pass through the Dam area.
  • the PCD lead wires will not pass through the Dam area, which enhances the effect of isolating water and oxygen in the Dam area, and avoids failure of organic materials in the display area.
  • the peripheral area corresponding to the corner further includes isolation columns, and the isolation columns are arranged on both sides of the Dam area.
  • the isolation column further isolates water and oxygen, avoiding failure of organic materials in the display area.
  • the width of the peripheral area at the corner is smaller than the width of the peripheral area at the first edge.
  • the peripheral area includes an input signal area, the input signal area is adjacent to the fourth edge, and the length of the input signal area is less than or equal to the length of the fourth edge;
  • the display area further includes K arranged between the pixel units A data connection line, K is a natural number;
  • the pixel unit includes M columns*N rows of light-emitting devices, M columns*N rows of bottom drive circuits and M*N anode leads, the anode leads are used to connect the light-emitting devices and bottom drive circuits, and the bottom drive The circuit is arranged on the lower layer of the light-emitting device, and M and N are both natural numbers; wherein, the distance between adjacent light-emitting devices in the pixel unit is greater than the size of the bottom drive circuit corresponding to the adjacent light-emitting devices in the pixel unit, so that there is a gap in the pixel unit; K data connection lines are used to pass through the gaps of the plurality of pixel units in the display area, and connect the Q column pixel units in the plurality
  • the data connection lines pass through the gaps of multiple pixel units in the display area, without occupying the space of the lower frame, thereby reducing the lower frame.
  • the embodiment of the present application provides a display panel, which is applied to a terminal device with a display function.
  • the display panel includes: a display area and a peripheral area at least partially surrounding the display area; the display area includes a first edge, a second edge, a third edge and a fourth edge, the first edge is opposite to the second edge, the third edge and The fourth edge is oppositely arranged, and the corner between the first edge and the fourth edge is curved; wherein, the display area includes a plurality of pixel units; the peripheral areas corresponding to the first edge and the second edge both include a gate drive GOA circuit and GOA signal line; the GOA circuit is used to drive the pixel unit, and the GOA signal line is used to connect the GOA circuit and the pixel unit; wherein, the longitudinal dimension of the GOA circuit is smaller than the longitudinal dimension of the corresponding pixel unit, so that the first edge and the second edge
  • the corresponding peripheral area includes all GOA circuitry.
  • the GOA circuit is compressed and placed in the peripheral area corresponding to the first edge and the second edge, so that the GOA circuit does not occupy the space of the corner area, thereby reducing the border of the corner, beautifying the visual effect and avoiding wrinkles.
  • the peripheral area corresponding to the corner includes the panel crack detection PCD lead and the water-oxygen barrier wall Dam area, and the distance between the PCD lead and the corner is smaller than the distance between the Dam area and the corner, so that the PCD lead will not pass through the Dam area.
  • the PCD lead wires will not pass through the Dam area, which enhances the effect of isolating water and oxygen in the Dam area, and avoids failure of organic materials in the display area.
  • the peripheral area corresponding to the corner further includes isolation columns, and the isolation columns are arranged on both sides of the Dam area.
  • the isolation column further isolates water and oxygen, avoiding failure of organic materials in the display area.
  • the width of the peripheral area at the corner is smaller than the width of the peripheral area at the first edge.
  • the peripheral area includes an input signal area, the input signal area is adjacent to the fourth edge, and the length of the input signal area is less than or equal to the length of the fourth edge;
  • the display area further includes K arranged between the pixel units A data connection line, K is a natural number;
  • the pixel unit includes M columns*N rows of light-emitting devices, M columns*N rows of bottom drive circuits and M*N anode leads, the anode leads are used to connect the light-emitting devices and bottom drive circuits, and the bottom drive The circuit is arranged on the lower layer of the light-emitting device, and M and N are both natural numbers; wherein, the distance between adjacent light-emitting devices in the pixel unit is greater than the size of the bottom drive circuit corresponding to the adjacent light-emitting devices in the pixel unit, so that there is a gap in the pixel unit; K data connection lines are used to pass through the gaps of the plurality of pixel units in the display area, and connect the Q column pixel units in the plurality
  • the data connection lines pass through the gaps of multiple pixel units in the display area, without occupying the space of the lower frame, thereby reducing the lower frame.
  • the embodiment of the present application provides a display panel, which is applied to a terminal device with a display function.
  • the display panel includes: a display area and a peripheral area at least partially surrounding the display area; the display area includes a first edge, a second edge, a third edge and a fourth edge, the first edge is opposite to the second edge, the third edge and The fourth edge is oppositely arranged, and the corner between the first edge and the fourth edge is curved; wherein, the display area includes a plurality of pixel units; the peripheral areas corresponding to the first edge, the second edge, and the third edge all include a gate Driving the GOA circuit and the GOA signal line; the GOA circuit is used to drive the pixel unit, and the GOA signal line is used to connect the GOA circuit and the pixel unit; wherein, the GOA circuit connected to the first pixel unit is placed in the peripheral area corresponding to the third edge; and The GOA circuit connected to the second pixel unit is placed in the peripheral area corresponding to the first edge and the second edge
  • the GOA circuit is placed in the peripheral area corresponding to the first edge, the second edge and the third edge, so as to prevent the GOA circuit from occupying the space of the corner area, thereby reducing the border of the corner, beautifying the visual effect and avoiding wrinkles.
  • the peripheral area corresponding to the corner includes the panel crack detection PCD lead and the water-oxygen barrier wall Dam area, and the distance between the PCD lead and the corner is smaller than the distance between the Dam area and the corner, so that the PCD lead will not pass through the Dam area.
  • the PCD lead wires will not pass through the Dam area, which enhances the effect of isolating water and oxygen in the Dam area, and avoids failure of organic materials in the display area.
  • the peripheral area corresponding to the corner further includes isolation columns, and the isolation columns are arranged on both sides of the Dam area.
  • the isolation column further isolates water and oxygen, avoiding failure of organic materials in the display area.
  • the width of the peripheral area at the corner is smaller than the width of the peripheral area at the first edge.
  • the peripheral area includes an input signal area, the input signal area is adjacent to the fourth edge, and the length of the input signal area is less than or equal to the length of the fourth edge;
  • the display area further includes K arranged between the pixel units A data connection line, K is a natural number;
  • the pixel unit includes M columns*N rows of light-emitting devices, M columns*N rows of bottom drive circuits and M*N anode leads, the anode leads are used to connect the light-emitting devices and bottom drive circuits, and the bottom drive The circuit is arranged on the lower layer of the light-emitting device, and M and N are both natural numbers; wherein, the distance between adjacent light-emitting devices in the pixel unit is greater than the size of the bottom drive circuit corresponding to the adjacent light-emitting devices in the pixel unit, so that there is a gap in the pixel unit; K data connection lines are used to pass through the gaps of the plurality of pixel units in the display area, and connect the Q column pixel units in the plurality
  • the data connection line passes through the gaps of multiple pixel units in the display area, and does not occupy the space of the lower frame, thereby reducing the lower frame.
  • an embodiment of the present application provides a display screen, including the display panel according to any one of the first aspect, the second aspect, or the third aspect, and the display panel is used to display images.
  • beneficial effects of the display screens provided in the above fourth aspect and each possible design of the above fourth aspect can be referred to the beneficial effects brought by the above first aspect and each possible display panel of the first aspect, and are not discussed here. Let me repeat.
  • an embodiment of the present application provides a display device, including the display screen in the third aspect above.
  • the display is used to display images.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a flexible display screen in a possible implementation
  • Fig. 2 is a schematic plan view of a display panel in a possible implementation
  • FIG. 3 is a schematic structural diagram of a display panel in a possible implementation
  • FIG. 4 is a schematic diagram of a R-angle structure of a display panel in a possible implementation
  • FIG. 5 is a schematic structural diagram of a part of the upper frame area and the R corner area of a display panel in a possible implementation
  • FIG. 6 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • FIG. 7 is a comparison diagram of a display panel provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an R angle of a display panel provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an R angle of a display panel provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • Fig. 11 is a schematic structural diagram of a cross-section of an R-angle frame provided by an embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a cross-section of an R-angle frame provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a pixel unit provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a specific display circuit provided by the embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of a specific display circuit provided by the embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a display screen provided by an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • words such as “first” and “second” are used to distinguish the same or similar items with basically the same function and effect.
  • the first device and the second device are only used to distinguish different devices, and their sequence is not limited.
  • words such as “first” and “second” do not limit the number and execution order, and words such as “first” and “second” do not necessarily limit the difference.
  • a layer, a region or an element when referred to as being "on" another layer, another region or an element, it can be directly or indirectly on the another layer, another region or an element .
  • intermediate layers, regions or elements may be present.
  • the wiring When the wiring is said to "extend in the first direction or the second direction", the wiring may extend not only in a linear shape but also in a zigzag or curved shape in the first direction or the second direction. Furthermore, when it is said that a wiring or a component extends in a certain direction, it means that the wiring or component mainly extends in the certain direction, eg, the wiring or the component extends more in the certain direction than in any other direction.
  • in plan view refers to a view of the target portion viewed from above
  • in cross-sectional view refers to a vertical cross-sectional view of the target portion viewed from the side.
  • overlap includes overlapping "in plan view” and "in cross-sectional view”.
  • the flexible display screen has the characteristics of variable shape and bendability, and the flexible display screen adopts organic light-emitting diode (OLED) technology, which has the characteristics of low power consumption.
  • OLED organic light-emitting diode
  • FIG. 1 is a three-dimensional structural schematic diagram of a flexible display screen in a possible implementation.
  • wrinkles 102 appear at the junction of adjacent edges of the flexible display screen 101 due to the accumulation of film layers of the display screen, and the wrinkles 102 will not only affect
  • the bonding effect between the flexible display screen 101 and other components of the mobile phone, such as the glass back panel, will also have a negative impact on the display performance of the flexible display screen 101 .
  • the display panel is an important part of the display screen.
  • the corresponding R-angle frame of the display screen is reduced.
  • Fig. 2 is a schematic plan view of a display panel in a possible implementation.
  • the display panel includes a display area DA and a peripheral area PA.
  • the peripheral area PA is located outside the display area DA, at least partially surrounding the display area DA.
  • the display area DA is used to display images. Edges of the display area DA may form a right angle. As shown in FIG. 2 , the first corner CN1 of the edge of the display area DA may have a circular shape. Specifically, the display area DA may include first and second edges E1 and E2 facing each other, and third and fourth edges E3 and E4 located between the first and second edges E1 and E2 and facing each other. The first edge E1 and the fourth edge E4 may be connected by a first corner CN1 having a circular shape, and the second edge E2 and the fourth edge E4 may be connected by a second corner CN2 having a circular shape. The first edge E1 and the third edge E3 may be connected by a third corner CN3 having a circular shape, and the second edge E2 and the third edge E3 may be connected by a fourth corner CN4 having a circular shape.
  • part of the display area DA and part of the frame area PA corresponding to the first corner CN1 in the display panel shown in FIG. 2 may be referred to as an R-corner area 1 .
  • the part of the display area DA and the part of the frame area PA corresponding to the second corner CN2 may be referred to as an R-corner area 2 .
  • the part of the display area DA and the part of the frame area PA corresponding to the third corner CN3 may be referred to as an R-corner area 3 .
  • the part of the display area DA and the part of the frame area PA corresponding to the fourth corner CN4 can be referred to as the R-corner area 4 .
  • the display area DA includes a plurality of pixel units PX and wirings capable of applying electrical signals to the plurality of pixel units PX.
  • Each of the plurality of pixel units PX may include a light emitting device and a circuit part for driving the light emitting device.
  • the light emitting device may be an organic light emitting diode
  • the circuit portion may include a plurality of transistors, capacitors, and the like.
  • Wiring capable of applying electrical signals to the plurality of pixel units PX may include a plurality of scan lines SL, a plurality of data lines DL, and the like.
  • Each of the plurality of scan lines SL may extend in the first direction F1, and each of the plurality of data lines DL may extend in the second direction F2.
  • a plurality of scan lines SL may be arranged, for example, in rows to transmit scan signals to the pixels PX, and a plurality of data lines DL may be arranged in columns, for example, to transmit data signals to the pixels PX.
  • Each of the plurality of pixels PX may be connected to a corresponding scan line SL among the plurality of scan lines SL and a corresponding data line DL among the plurality of data lines DL.
  • the peripheral area PA may at least partially surround the display area DA.
  • the peripheral area PA which is an area where no pixel unit PX is disposed, may be simply divided into a bezel area adjacent to the display area DA and a pad area PADA.
  • the embodiment of the present application divides the frame area into an upper frame area 201, a right frame area 202, a lower frame area 203, a left frame area 204, a frame area corresponding to the first corner CN1, and a frame area corresponding to the second corner CN2 , the frame area corresponding to the third corner CN3 and the frame area corresponding to the fourth corner CN4.
  • the upper frame area 201 is the peripheral area corresponding to the third edge; the right frame area 202 is the peripheral area corresponding to the second edge; the lower frame area 203 is the peripheral area corresponding to the fourth edge; the left frame area 204 is the peripheral area corresponding to the second edge.
  • the frame area corresponding to the third corner CN3 may also be called the peripheral area corresponding to the third corner CN3; the frame area corresponding to the fourth corner CN4 may also be called the peripheral area corresponding to the fourth corner CN4.
  • the upper frame area 201, the right frame area 202, and the left frame area 204 all include the signal lines required for the pixel unit to work, the VSS signal area, the protection and detection area, and the water-oxygen barrier (Dam) area.
  • the signal lines required for the operation of the pixel unit include DC power lines (vinit lines) and the like.
  • the VSS signal area is used to output a cathode signal for the display area DA.
  • the VSS circuit in the VSS signal area is connected to the cathode of the pixel unit PX to provide a cathode signal for the pixel unit PX.
  • Protective and detection areas are used for protective and detection panels.
  • the protection and detection areas include but are not limited to panel crack detection (PCD) circuits and isolation columns.
  • PCD panel crack detection
  • isolation column is used to isolate water and oxygen in the air, so as to prevent the organic materials in the display panel from absorbing water.
  • the Dam area includes the Dam encapsulation unit, and the DamAM encapsulation unit is used to isolate water and oxygen in the air, so as to prevent the organic materials in the display panel from absorbing water.
  • the right frame area 202 and the left frame area 204 further include: a GOA area.
  • the GOA area is used to drive the pixel unit PX to display images.
  • GOA circuits are included in the GOA area.
  • the GOA circuit may include a scan driver SDV and/or an emission driver EDV and the like.
  • a scan driver SDV for supplying one or more electrical signals such as a scan signal to the pixel unit PX along a signal line such as a scan line SL; an emission driver EDV for supplying one or more electrical signals such as an emission control line along a signal line such as an emission control line
  • a plurality of electrical signals such as emission control signals are supplied to the pixel unit PX.
  • the lower frame area 203 includes power lead wires and integrated circuit IC signal wires.
  • the power leads are used to supply power to the display area DA.
  • the integrated circuit IC provides a signal line for transmitting data signals to the pixel unit PX, and controls the pixel unit PX to emit light, thereby controlling the display of the display area DA.
  • the frame area corresponding to the first corner CN1, the frame area corresponding to the second corner CN2, the frame area corresponding to the third corner CN3 and the frame area corresponding to the fourth corner CN4 all include the GOA circuit, the VSS signal area, the protection and detection area and Dam area.
  • the pad area PADA is an area where various electronic devices or printed circuit boards are electrically attached. A plurality of pads in the pad area PADA may be electrically connected to the data driver. Exemplarily, the pad area PADA includes an input signal area. The input signal area is used to transmit data signals to the pixel unit PX.
  • the display panel shown in FIG. 2 can be applied in a flexible display.
  • the flexible display is bent on four sides, there will be wrinkles at the four R corners.
  • the borders of the R corners need to be reduced.
  • the GOA circuit and the signal line of the GOA circuit are provided.
  • FIG. 3 is a schematic plan view of a GOA circuit layout corresponding to FIG. 2 .
  • the GOA circuit 301 is respectively laid out in the left frame area, the right frame area, the frame area corresponding to the first corner CN1, the frame area corresponding to the second corner CN2, the frame area corresponding to the third corner CN3 and the fourth corner The frame area corresponding to CN4.
  • the driving mode of the pixel unit PX in the display panel shown in FIG. 3 is double-side driving, and each row of pixel unit PX is respectively connected to the GOA driving circuits 301 on both sides through the GOA signal line 302 .
  • the arrangement of the GOA circuits on both sides of the pixel unit PX is the same or similar.
  • the GOA circuit 301 on one side of the pixel unit PX is described, and the GOA circuit 301 on the other side of the pixel unit PX is not described in detail.
  • FIG. 3 exemplarily shows 10 rows of pixel units PX and the corresponding GOA circuit 301 .
  • the display area DA there are 1-10 rows of pixel units PX from bottom to top
  • the corresponding peripheral area PA there are 1-10 GOA circuits 201 from bottom to top.
  • Part of the pixel units PX in the 1st to 3rd rows are in the R-corner region 2 , and correspondingly, the 1st-3rd GOA circuits 201 are in the R-corner region 2 .
  • the 4th to 8th GOA circuits 201 corresponding to the pixel units PX in the 4th to 8th rows are located in the right frame area.
  • Part of the pixel units PX in the 9th to 10th rows are in the R corner region 4 , and correspondingly, the 9th to 10th GOA circuits 201 are in the R corner region 4 .
  • the number of rows of pixel units in the display panel may be other numbers, which is not limited in this embodiment of the present application.
  • FIG. 4 is an enlarged structural plan view of the R-angle region shown in FIG. 3 .
  • the R-corner area 1 includes a pixel unit PX, a GOA circuit 401 , a GOA signal line 402 , a GOA output line 403 and a VSS line 404 .
  • the GOA output line 403 is a lead line (for example, a scan line, an emission control line, etc.) connected to a row of pixel units PX.
  • GOA output line 403 is in the display area.
  • the GOA circuit 401 is connected to the pixel unit PX through the GOA signal line 402 and the GOA output line 403 , and then controls the pixel unit PX to display images.
  • the VSS trace 404 is used to transmit the cathode signal.
  • the VSS trace 404 is located outside the GOA circuit 401 .
  • the GOA circuit and the signal line of the GOA circuit occupy the space of the R corner area, resulting in a large border of the R corner area, which cannot be reduced.
  • the GOA circuit in the upper frame area, the left frame area and the right frame area, the GOA circuit is prevented from occupying the space of the R corner area, and the frame of the R corner area is reduced.
  • FIG. 5 is a schematic structural diagram of a part of the upper border area and the R corner area of a display panel in a possible implementation.
  • the frame area includes a boundary 501 , a cathode signal area 502 , an unoccupied space 503 , and a GOA circuit signal connection 504
  • the corner area includes a GOA circuit 505 and a GOA signal line 506 .
  • the signal connection 504 of the GOA circuit is used to connect the GOA circuits on both sides of the display panel.
  • FIG. 5 there is an unoccupied space 503 in the area of the upper frame.
  • FIG. 6 is a schematic plan view of a GOA circuit layout provided by an embodiment of the present application.
  • the GOA circuit 601 is respectively laid out in the left frame area, the right frame area and the upper frame area.
  • the GOA circuit 601 is connected to the pixel unit PX through the GOA signal line 602 and the GOA output line 603 .
  • FIG. 6 exemplarily shows 10 rows of pixel units PX and corresponding GOA circuits.
  • in the display area DA there are 1-10 rows of pixel units PX from bottom to top, and in the corresponding peripheral area PA there are 1-10 GOA circuits from bottom to top.
  • part of the pixel units PX in the 1st to 3rd rows are located in the R corner area 2, and correspondingly, the 1st to 3rd GOA circuits are located in the right frame area.
  • the 4th to 8th GOA circuits corresponding to the pixel units PX in the 4th to 8th rows move up sequentially. When the GOA circuit is moved up to the R corner area, move the GOA circuit to the upper frame area.
  • the fourth and fifth GOA circuits corresponding to the pixel units PX in the fourth and fifth rows are located in the right frame area.
  • the 6th to 8th GOA circuits corresponding to the pixel units PX in the 6th to 8th rows are located in the upper frame area.
  • Part of the pixel units PX in the 9th-10th row are in the R corner area 4, and correspondingly, the 9th-10th GOA circuits are in the upper frame area.
  • the GOA circuit shown in Figure 6 is moved up sequentially.
  • the part of the GOA circuit is placed in the upper frame area.
  • the GOA circuit connected to the first pixel unit is placed in the peripheral area corresponding to the third edge; the GOA circuit connected to the second pixel unit is placed in the peripheral area corresponding to the first edge and the second edge;
  • the first The pixel unit is a pixel unit whose distance from the third edge in the column direction is less than or equal to the first threshold, and the second pixel unit is the pixel unit whose distance from the third edge in the column direction is less than or equal to the first threshold.
  • the first threshold is the distance from the pixel unit in the sixth row to the upper frame area in the column direction.
  • the GOA circuits corresponding to the pixel units in rows 6-10 are placed in the upper frame area, and the GOA circuits corresponding to the other pixel units are placed in the left frame area and the right frame area. It can be understood that the value of the first threshold is related to the specific size of the display panel, which is not limited here.
  • FIG. 7 is a comparison chart provided by the embodiment of the present application.
  • a in FIG. 7 is a plan view of the display panel corresponding to FIG. 3 .
  • B in FIG. 7 is a plan view of the display panel corresponding to FIG. 6 above.
  • the layout of the GOA circuit is changed, the frame of the R-corner region shrinks, and the plan view of the display panel changes from the plan view shown in A in FIG. 7 to the plan view shown in B in FIG. 7 .
  • the VSS signal area of the R corner area can be removed, further reducing the frame of the R corner area.
  • the VSS wiring 404 in the R corner region can be removed.
  • the VSS signal in the display panel is transmitted to the pixel unit PX through the cathode overlap of the entire plane, the VSS signal area in the R corner area provides the VSS signal for the pixel unit PX, and the VSS signal area in the R angle area is removed , will not affect the display effect of the display panel.
  • FIG. 8 and FIG. 9 are partial plan views of different regions of the display panel provided by the embodiment of the present application.
  • the peripheral area PA of the display panel will be described below with reference to FIG. 8 and FIG. 9 .
  • FIG. 8 is a partial plan view of a display panel provided by an embodiment of the present application.
  • the GOA circuit 804 is arranged in the right frame area, and does not occupy the space of the R corner area.
  • the pixel unit PX corresponding to the R corner area is connected to the corresponding GOA circuit 804 through the GOA signal line 802 and the GOA output line 801 , and the GOA signal line 802 extends along the corner to the right frame area to connect with the GOA circuit 802 .
  • the right frame area includes: GOA signal line 802 , signal line 803 required for pixel unit operation, GOA circuit 804 , VSS signal area 805 , protection and detection area 806 and Dam area 807 .
  • the R angle area includes: GOA signal line 802 , signal line 803 required for pixel unit operation, protection and detection area 806 and Dam area 807 .
  • the GOA circuit 802 and the VSS signal area 803 are not included in the R corner area, and there is no VSS wiring. The border of the R corner area is further reduced.
  • FIG. 9 is a partially enlarged schematic diagram corresponding to FIG. 6 .
  • the GOA circuit 904 is arranged in the upper frame area, and does not occupy the space of the R corner area.
  • the pixel unit PX corresponding to the R corner area is connected to the corresponding GOA circuit 904 through the GOA signal line 902 and the GOA output line 901 , and the GOA signal line 902 extends along the corner to the right frame area to connect with the GOA circuit 902 .
  • the right frame area includes: GOA signal line 902 , signal line 903 required for pixel unit operation, GOA circuit 904 , VSS signal area 905 , protection and detection area 906 and Dam area 907 .
  • the R angle area includes: GOA signal line 902 , signal line 903 required for pixel unit operation, protection and detection area 906 and Dam area 907 .
  • the GOA circuit 902 and the VSS signal area 903 are not included in the R corner area, and there is no VSS wiring. The border of the R corner area is further reduced.
  • FIG. 10 is a schematic plan view of another GOA circuit layout provided by an embodiment of the present application.
  • the GOA circuit 1001 is respectively arranged in the left frame area and the right frame area, and the vertical size H1 of the GOA circuit 1001 is smaller than the vertical size H2 of the corresponding pixel unit PX.
  • the GOA circuit 1001 is connected to the pixel unit PX through the GOA signal line 1002 and the GOA output line 1003 .
  • FIG. 10 exemplarily shows 10 rows of pixel units PX and corresponding GOA circuits. As shown in FIG. 10 , in the display area DA there are 1-10 rows of pixel units PX from bottom to top, and in the corresponding peripheral area PA there are 1-10 GOA circuits from bottom to top.
  • the vertical dimension H1 of the GOA circuit is smaller than the vertical dimension D2 of the corresponding pixel unit. In this way, more GOA circuits are accommodated in the left frame area and the right frame area.
  • part of the pixel units PX in the 1st to 3rd rows are located in the R corner area 2, and correspondingly, the 1st to 3rd GOA circuits are located in the right frame area.
  • the 4th to 10th GOA circuits corresponding to the pixel units PX in the 4th to 10th rows are arranged sequentially.
  • the vertical size H1 of the GOA circuit shown in Figure 10 is smaller than the vertical size H2 of the corresponding pixel unit, so that the left frame area and the right frame area can accommodate all pixel units in the display area. GOA circuits. In this way, the GOA circuit will not occupy the space of the R corner, thereby reducing the frame of the R corner and avoiding the appearance of wrinkles of the display screen.
  • the distance between the PCD detection lead in the peripheral area and the corner is smaller than the distance between the Dam area and the corner. In this way, the PCD detection lead will not pass through the Dam area, which strengthens the effect of isolating water and oxygen in the Dam area, and avoids failure of organic materials in the display area.
  • FIG. 11 is a schematic cross-sectional view of a frame of an R-angle region provided by an embodiment of the present application. This section includes: GOA signal line 1101 , signal line 1102 required for pixel unit operation, PCD detection lead 1103 , inner isolation column 1104 , Dam area 1105 , and outer isolation column 1106 .
  • the display panel has a variety of film layers.
  • the GOA signal line 1101 is used to connect a plurality of pixel units PX, and is connected to the GOA signal line 1101 , and further connected to the GOA circuit.
  • the GOA signal line 1101 is in the Gate3 (metal layer, for example, molybdenum Mo metal) film layer.
  • the signal line of GOA can be in Gate1 film layer (metal layer, for example, Mo metal), Gate2 (metal layer, for example, Mo metal) film layer, Gate3 (metal layer, for example, Mo metal) Film layer, ITO film layer or SD (metal layer, titanium Ti/aluminum Al/titanium Ti) and other conductive film layers.
  • metal layer for example, Mo metal
  • Gate2 metal layer, for example, Mo metal
  • Gate3 metal layer, for example, Mo metal
  • ITO film layer or SD metal layer, titanium Ti/aluminum Al/titanium Ti
  • the signal line 1102 required for the operation of the pixel unit includes a DC signal line (vinit line).
  • the signal line 1102 required for the operation of the pixel unit is in a conductive film layer such as SD (metal layer, Ti/Al/Ti titanium/aluminum/titanium).
  • the PCD detection lead 1103, the inner spacer 1104, the Dam region 1105, and the outer spacer 1106 are all included in the package area of the display panel.
  • the number of Dam regions 1105 may be 1 or 2, which is not limited in this embodiment of the present application.
  • the encapsulation area of the display panel may be rigid or flexible, which is not limited in this embodiment of the present application.
  • FIG. 12 is a schematic cross-sectional view of another R-angle region provided by an embodiment of the present application. This section includes: GOA signal line 1201 , signal line 1202 required for pixel unit operation, PCD detection lead 1203 , and Dam area 1204 .
  • the packaging area of the display panel includes the PCD detection lead 1203 and the Dam area 1204 , excluding the inner spacer and the outer spacer.
  • the embodiment of the present application does not limit the structure of the encapsulation area.
  • the GOA signal lines and/or data connection lines in the display panel may pass through the gaps of the pixel units.
  • the arrangement of GOA signal lines and data connection lines will be described below in conjunction with Figures 13-15.
  • FIG. 13 is a schematic structural diagram of a pixel unit provided in an embodiment of the present application. As shown in A in FIG. 13 , the pixel unit includes a light emitting device 1301 , a bottom driving circuit 1302 and an anode lead 1303 .
  • the light emitting device 1301 is connected to the bottom driving circuit 1302 through the anode lead 1303 .
  • the light emitting device 1301 is used to emit light.
  • the light emitting device 1301 can emit one or more of red light, green light and blue light, of course, the embodiment of the present application is not limited thereto.
  • each light emitting device 1301 can also emit light of colors such as cyan, magenta and yellow.
  • the light emitted by the plurality of light emitting devices 1301 constitutes a display image.
  • the light emitting device 1301 may be an organic light emitting diode.
  • the size and shape of the light emitting device 1301 may be consistent or not, which is not limited in this embodiment of the present application.
  • the bottom driving circuit 1302 is used to drive the light emitting device 1301 .
  • the bottom drive circuit 1302 may include a plurality of transistors, capacitors, and the like.
  • the bottom driving circuit 1302 may include a first transistor T1, a second transistor T2 and a capacitor Cst.
  • the first transistor T1 and the second transistor T2 may be thin film transistors.
  • the second transistor T2 is a switch transistor, which can be connected to the scan line and the data line.
  • the second transistor T2 is used to transmit the data signal input from the data line to the first transistor T1 according to the switching voltage input to the scan line.
  • the capacitor Cst may be connected to the second transistor T2 and the power voltage line.
  • the capacitor Cst serves to store a voltage corresponding to a difference between the voltage corresponding to the data signal received from the second transistor T2 and the first power voltage ELVDD supplied to the power voltage line.
  • the power supply voltage line may be spaced parallel to the scan line or the data line.
  • the first transistor T1 is a driving transistor and may be connected to a power supply voltage line and a capacitor Cst.
  • the first transistor T1 is used to control the driving current Ioled flowing through the light emitting device 1301 , control the luminous intensity of the light emitting device 1301 and the like in response to the voltage value stored in the capacitor Cst.
  • the bottom driving circuit 1302 can also be a 7T1C circuit or the like. The number of transistors and the number of capacitors can be variously changed according to the design of the bottom driving circuit, which is not limited in this embodiment of the present application.
  • the size of the area surrounded by the bottom driving circuit is smaller than the size of the area surrounded by the pixel unit, so that there is a gap between the bottom driving circuits, which is convenient for subsequent GOA signal lines and/or data connection lines to pass through the gap. through.
  • the size of the light emitting device in the row direction is larger than the size of the bottom driving circuit corresponding to the adjacent light emitting device in the row direction.
  • the dimension D2 in the row direction of the area surrounded by the bottom driving circuits is smaller than the dimension D1 in the row direction of the area surrounded by the pixel units, and there is a gap between the bottom driving circuits. Void 1304 .
  • D1 is greater than D2 because the width of the bottom driving circuit 1302 is smaller than the width of the light emitting device 1301 controlled by it.
  • the occupied space of the bottom driving circuit 1302 of the pixel unit is smaller than that of the light emitting device 1301 controlled by it, or the multiple light emitting devices 1301 are divergent relative to the corresponding bottom driving circuit 1302 .
  • the distance between the geometric centers of adjacent light-emitting devices in the row direction is greater than the size of the corresponding bottom drive circuit in the row direction .
  • D3 is the size of the geometric center of the adjacent light emitting device in the row direction
  • D4 is the size of the adjacent bottom driving circuit in the row direction.
  • D3 is greater than D4.
  • one pixel unit includes multiple light emitting devices.
  • the bottom driving circuits of multiple light emitting devices can be arranged or integrated together, so that the area ratio of the multiple bottom driving circuits and the multiple light emitting devices in the pixel unit is less than 1.
  • FIG. 14 is a schematic structural diagram of a specific display circuit provided by an embodiment of the present application.
  • the display circuit includes a GOA circuit 1401 , a GOA signal line 1402 , a GOA output line 1403 and a pixel unit 1404 .
  • FIG. 14 exemplarily shows a pixel unit 1404 with 2 rows and 12 columns and multiple GOA circuits 1401 .
  • the GOA signal line 1402 is connected to the GOA circuit 1401 and the GOA output line 1403 .
  • the GOA output line 1403 is used to connect the bottom driving circuit corresponding to a row of light emitting devices.
  • the GOA circuit 1401 is located in the upper frame area.
  • the GOA signal lines 1402 extend through the gaps of the pixel units 1404 along the column direction and are connected to the corresponding GOA output lines 1403 .
  • the first GOA circuit 1201 is connected to the GOA output line 1403 corresponding to the light emitting device in the first row through the GOA signal line 1402 and the GOA output line 1403 .
  • the GOA signal line passes through the pixel unit to avoid extending from the R corner, thereby saving the space of the R corner.
  • the display circuit shown in FIG. 14 can reduce the R angle of the display panel, making the display panel more beautiful.
  • the bottom drive circuits corresponding to the light emitting devices in the pixel unit are arranged together to further reduce the occupied space. Moreover, the spatial distance between adjacent pixel units is relatively large, which can accommodate more GOA signal line arrangements.
  • the GOA signal line extends linearly, and the GOA signal line may also extend in a curved shape and/or connect with rounded corners.
  • the GOA signal lines can be arranged between the pixel units in a "Z" shape, a "several” shape, or a "Zigzag” shape.
  • the embodiment of the present application does not limit the specific arrangement shape of the GOA signal lines.
  • FIG. 15 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • the display circuit includes: input signal area 1501 , signal lead area 1502 , data lead 1 1503 , data lead 2 1504 , signal transition 1505 , pixel unit 1506 and data line 1507 .
  • the input signal area 1501 is used to output data signals.
  • the input signal area 1501 is connected to a data driver and outputs a data signal.
  • the signal wiring area 1502 includes a plurality of signal wirings. Both ends of each signal lead are respectively connected to the input signal area 1501 and the data line 1507 , or respectively connected to the input signal area 1501 and the first data lead 1503 .
  • the signal wiring area 1502 is used to transmit the data signal to the data line 1507 or the first data wiring 1503 .
  • the signal leads may also be referred to as signal lines.
  • the first data lead 1503 and the second data lead 1504 are data leads arranged in two directions respectively, and are used to connect the input signal area 1501 and the data line 1507 .
  • the first data wire 1503 is arranged along the column direction of the pixel unit 1506 .
  • the second data wires 1504 are arranged along the row direction of the pixel units 1506 .
  • the first data lead 1503 may also be called the second part of the connecting wire, and the second data lead 1504 may also be called the first part of the connecting wire.
  • the first data lead 1503 and the first data lead 1504 may be collectively referred to as a data connection line.
  • Data lead one 1503 and data lead two 1504 can be in Gate1 film layer (metal layer, such as molybdenum (Mo) metal etc.), Gate2 (metal layer, such as molybdenum (Mo) metal etc.) film layer, Gate3 (metal layer, such as molybdenum (Mo) metal etc.) (Mo) metal, etc.) film layer, ITO film layer or SD (metal layer, Metal layer, Ti/Al/Ti titanium/aluminum/titanium) and other conductive film layers. There is no limit here.
  • the signal transition 1505 is used to connect the second data lead 1504 and the data line 1507 .
  • the pixel unit 1506 is used to emit light according to the data signal transmitted by the data line 1507 .
  • the data lines 1507 are used to transmit data signals, and the data signals transmitted by the data lines 1507 can control the pixel unit 1506 to emit light or not, and the intensity of the light.
  • the data signal output from the input signal area 1501 is transmitted to the data line 1507 through the signal lead area 1502 , and then controls a column of pixel units 1506 corresponding to the data line 1507 to display.
  • the data signal output from the input signal area 1501 is transmitted to the data line 1507 through the signal lead area 1502, the first data lead 1503, the second data lead 1504 and the signal line transition 1505, and then controls a column of pixel units 1506 corresponding to the data line 1507 to display.
  • the data wires are passed through the pixel unit to avoid extending from the R corner, thereby saving the space of the R corner and the lower frame.
  • the display circuit shown in FIG. 15 can reduce the lower frame of the display panel and make the display screen more beautiful.
  • the bottom drive circuits corresponding to the light emitting devices in the pixel unit are arranged together to further reduce the occupied space. Moreover, the spatial distance between adjacent pixel units is relatively large, which can accommodate more data connection lines.
  • the data connection lines extend linearly and connect at right angles, and the data connection lines may also extend in a curved shape and/or connect with rounded corners.
  • the data connection lines can be arranged between the pixel units in a "Z" shape, a "several” shape, or a "Zigzag” shape.
  • the embodiment of the present application does not limit the specific arrangement shape of the data connection lines.
  • FIG. 16 is a schematic structural diagram of a display screen provided by an embodiment of the present application. As shown in FIG. and a protective layer 1605 .
  • the polarizer 1602 is fixed on the protective cover 1601 .
  • the protective cover 1601 can be a transparent glass cover, or an organic material cover such as polyimide, so as to reduce the influence on the display effect of the display screen while playing a protective role; the polarizer 1602 can be circularly polarized sheet to avoid reflection of light from the anode.
  • the heat dissipation layer 1604 can be heat dissipation copper foil, and the protection layer 1605 can be protective foam.
  • the various layer structures of the display screen can be bonded by optically transparent adhesives or non-transparent pressure-sensitive adhesives.
  • the display screen may be a flexible display screen or a rigid display screen.
  • the display screen may be an OLED display screen, a QLED flexible display screen, a rolling screen, a folding screen, and the like.
  • the display device includes, but is not limited to, a display screen 1701, a middle frame 1702, a rear case 1703, and a printed circuit board (printed circuit board, PCB) 1704.
  • the middle frame 1702 can be used to carry the printed circuit board and the display screen 1701
  • the display screen 1701 and the printed circuit board are located on both sides of the middle frame 1702
  • the rear case 1703 is located on the side of the printed circuit board away from the middle frame 1702 .
  • the display device may also include a component 1705 disposed on the PCB 1704, and the component 1705 may be but not limited to be disposed on the side of the PCB 1704 facing the middle frame 1702.
  • the display device may be a terminal device with the above-mentioned display screen.
  • the terminal device includes: mobile phone (mobile phone), tablet computer, notebook computer, palmtop computer, mobile internet device (mobile internet device, MID), wearable equipment, virtual reality (virtual reality, VR) equipment, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self driving, remote medical Wireless terminals in surgery, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home , cellular phones, cordless phones, session initiation protocol (session initiation protocol, SIP) phones, wireless local loop (wireless local loop, WLL) stations, personal digital assistants (personal digital assistant, PDA), handheld devices with wireless communication capabilities , computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the 5G network or terminal devices in the future evolved public land mobile network (PLMN), etc., this The application embodiments do not limit this
  • the terminal device can also be a terminal device in the Internet of Things (IoT) system.
  • IoT Internet of Things
  • IoT is an important part of the development of information technology in the future, and its main technical feature is that items can be Connect with the network to realize the intelligent network of man-machine interconnection and object interconnection.
  • the terminal equipment in the embodiment of the present application may also be referred to as: user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT), access terminal, subscriber unit, subscriber station, Mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment user equipment
  • MS mobile station
  • MS mobile terminal
  • MT mobile terminal
  • access terminal subscriber unit, subscriber station, Mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device or each network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, for example, Linux operating system, Unix operating system, Android operating system, iOS operating system, or windows operating system.
  • the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.

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Abstract

一种显示面板和显示设备，应用于终端技术领域。该显示面板包括：显示区域(DA)以及至少部分地围绕显示区域(DA)的***区域(PA)；显示区域(DA)包括两两相对设置的第一至第四边缘(E4)，第一边缘(E1)与第四边缘(E4)之间的拐角是弯曲的；其中，显示区域(DA)包括多个像素单元；第一边缘(E1)、第二边缘(E2)和第三边缘(E3)对应的***区域(PA)均包括栅极驱动GOA电路和GOA信号线；GOA电路用于驱动像素单元，GOA信号线用于连接GOA电路和像素单元；其中，第一边缘(E1)、第二边缘(E2)和第三边缘(E3)对应的***区域(PA)包括全部GOA电路。这样，GOA电路不会占用拐角对应的***区域(PA)的空间，缩小拐角对应的***区域(PA)的宽度，缩小拐角的边框，美化视觉效果并减少生产中的褶皱出现。

Description

显示面板和显示设备
本申请要求于2021年06月09日提交中国国家知识产权局、申请号为202110644643.X、申请名称为“显示面板和显示设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及终端技术领域，尤其涉及一种显示面板和显示设备。
背景技术
随着智能手机等终端的快速发展，越来越多的柔性显示屏应用于终端中。柔性显示屏的具有可变型可弯曲的特点，可被制作成折叠屏、卷曲屏和拉伸屏等形态。目前市面上被称为“瀑布屏”的特点是左右两边弯曲的形态。
柔性显示屏在进行四边弯曲时，在圆(R)角处即相邻两个曲面的交界处由于应力不均导致部分膜层堆积，进而产生褶皱。为了减少膜层堆积，避免褶皱出现，以及美化视觉效果，需要将R角的边框缩减。
如何缩减R角的边框成为要解决的关键技术问题。目前的电路架构中，在R角处设置有栅极驱动(gate driver on array，GOA)电路和GOA电路的信号线。GOA电路和GOA电路的信号线占用R角区域的空间，导致R角的边框大，无法缩减。
发明内容
本申请实施例提供一种显示面板和显示设备。将GOA电路设置在上边框和/或左右边框处，不占用R角的空间，进而R角边框可以缩小，美化视觉效果并减少生产中的褶皱出现。
第一方面，本申请实施例提供一种显示面板，应用于具有显示功能的终端设备。显示面板包括：显示区域以及至少部分地围绕显示区域的***区域；显示区域包括第一边缘、第二边缘、第三边缘和第四边缘，第一边缘与第二边缘相对设置，第三边缘和第四边缘相对设置，第一边缘与第四边缘之间的拐角是弯曲的；其中，显示区域包括多个像素单元；第一边缘、第二边缘和第三边缘对应的***区域均包括栅极驱动GOA电路和GOA信号线；GOA电路用于驱动像素单元，GOA信号线用于连接GOA电路和像素单元；其中，第一边缘、第二边缘和第三边缘对应的***区域包括全部GOA电路。
这样，通过将GOA电路放置于第一边缘、第二边缘和第三边缘对应的***区域，避免GOA电路占用拐角区域的空间，从而缩小拐角的边框，美化视觉效果并避免褶皱出现。
可选的，拐角对应的***区域包括面板裂纹检测PCD引线和水氧阻挡墙Dam区域，PCD引线与拐角的距离小于Dam区域与拐角的距离，使得PCD引线不会穿过Dam 区域。
这样，PCD引线不会穿过Dam区域，加强Dam区域的隔离水氧的效果，避免显示区域中有机材料的失效。
可选的，拐角对应的***区域还包括隔离柱，隔离柱设置在Dam区域的两侧。
这样，隔离柱进一步隔离水氧，避免显示区域中有机材料的失效。
可选的，***区域在拐角处的宽度小于***区域在第一边缘处的宽度。
可选的，***区域包括给入信号区域，给入信号区域与第四边缘邻近，且给入信号区域的长度小于或等于第四边缘的长度；显示区域还包括布置在像素单元之间的K根数据连接线，K为自然数；像素单元包括M列*N行发光器件、M列*N行底部驱动电路和M*N个阳极引线，阳极引线用于连接发光器件与底部驱动电路，底部驱动电路设置于发光器件的下层，M和N均为自然数；其中，像素单元中相邻的发光器件的间隔大于像素单元中相邻的发光器件对应的底部驱动电路的尺寸使得像素单元中存在空隙；K根数据连接线，用于穿过显示区域中的多个像素单元的空隙，将多个像素单元中的Q列像素单元连接到给入信号区域，Q列像素单元包括拐角对应的像素单元，Q为小于或等于K的自然数。
这样，数据连接线从显示区域中的多个像素单元的空隙穿过，不占用下边框的空间，从而缩小下边框。
第二方面，本申请实施例提供一种显示面板，应用于具有显示功能的终端设备。显示面板包括：显示区域以及至少部分地围绕显示区域的***区域；显示区域包括第一边缘、第二边缘、第三边缘和第四边缘，第一边缘与第二边缘相对设置，第三边缘和第四边缘相对设置，第一边缘与第四边缘之间的拐角是弯曲的；其中，显示区域包括多个像素单元；第一边缘和第二边缘对应的***区域均包括栅极驱动GOA电路和GOA信号线；GOA电路用于驱动像素单元，GOA信号线用于连接GOA电路和像素单元；其中，GOA电路的纵向尺寸小于其所对应的像素单元的纵向尺寸，使得第一边缘和第二边缘对应的***区域包括全部GOA电路。
这样，压缩GOA电路并将GOA电路放置于第一边缘和第二边缘对应的***区域，使得GOA电路不会占用拐角区域的空间，从而缩小拐角的边框，美化视觉效果并避免褶皱出现。
可选的，拐角对应的***区域包括面板裂纹检测PCD引线和水氧阻挡墙Dam区域，PCD引线与拐角的距离小于Dam区域与拐角的距离，使得PCD引线不会穿过Dam区域。
这样，PCD引线不会穿过Dam区域，加强Dam区域的隔离水氧的效果，避免显示区域中有机材料的失效。
可选的，拐角对应的***区域还包括隔离柱，隔离柱设置在Dam区域的两侧。
这样，隔离柱进一步隔离水氧，避免显示区域中有机材料的失效。
可选的，***区域在拐角处的宽度小于***区域在第一边缘处的宽度。
可选的，***区域包括给入信号区域，给入信号区域与第四边缘邻近，且给入信号区域的长度小于或等于第四边缘的长度；显示区域还包括布置在像素单元之间的K根数据连接线，K为自然数；像素单元包括M列*N行发光器件、M列*N行底部驱动 电路和M*N个阳极引线，阳极引线用于连接发光器件与底部驱动电路，底部驱动电路设置于发光器件的下层，M和N均为自然数；其中，像素单元中相邻的发光器件的间隔大于像素单元中相邻的发光器件对应的底部驱动电路的尺寸使得像素单元中存在空隙；K根数据连接线，用于穿过显示区域中的多个像素单元的空隙，将多个像素单元中的Q列像素单元连接到给入信号区域，Q列像素单元包括拐角对应的像素单元，Q为小于或等于K的自然数。
这样，数据连接线从显示区域中的多个像素单元的空隙穿过，不占用下边框的空间，从而缩小下边框。
第三方面，本申请实施例提供一种显示面板，应用于具有显示功能的终端设备。显示面板包括：显示区域以及至少部分地围绕显示区域的***区域；显示区域包括第一边缘、第二边缘、第三边缘和第四边缘，第一边缘与第二边缘相对设置，第三边缘和第四边缘相对设置，第一边缘与第四边缘之间的拐角是弯曲的；其中，显示区域包括多个像素单元；第一边缘、第二边缘和第三边缘对应的***区域均包括栅极驱动GOA电路和GOA信号线；GOA电路用于驱动像素单元，GOA信号线用于连接GOA电路和像素单元；其中，与第一像素单元连接的GOA电路放置在第三边缘对应的***区域；与第二像素单元连接的GOA电路放置在第一边缘和第二边缘对应的***区域；第一像素单元为与第三边缘在列方向上的距离小于或等于第一阈值的像素单元，第二像素单元为与第三边缘在列方向上的距离小于或等于第一阈值的像素单元。
这样，将GOA电路放置于第一边缘、第二边缘和第三边缘对应的***区域，避免GOA电路占用拐角区域的空间，从而缩小拐角的边框，美化视觉效果并避免褶皱出现。
可选的，拐角对应的***区域包括面板裂纹检测PCD引线和水氧阻挡墙Dam区域，PCD引线与拐角的距离小于Dam区域与拐角的距离，使得PCD引线不会穿过Dam区域。
这样，PCD引线不会穿过Dam区域，加强Dam区域的隔离水氧的效果，避免显示区域中有机材料的失效。
可选的，拐角对应的***区域还包括隔离柱，隔离柱设置在Dam区域的两侧。
这样，隔离柱进一步隔离水氧，避免显示区域中有机材料的失效。
可选的，***区域在拐角处的宽度小于***区域在第一边缘处的宽度。
可选的，***区域包括给入信号区域，给入信号区域与第四边缘邻近，且给入信号区域的长度小于或等于第四边缘的长度；显示区域还包括布置在像素单元之间的K根数据连接线，K为自然数；像素单元包括M列*N行发光器件、M列*N行底部驱动电路和M*N个阳极引线，阳极引线用于连接发光器件与底部驱动电路，底部驱动电路设置于发光器件的下层，M和N均为自然数；其中，像素单元中相邻的发光器件的间隔大于像素单元中相邻的发光器件对应的底部驱动电路的尺寸使得像素单元中存在空隙；K根数据连接线，用于穿过显示区域中的多个像素单元的空隙，将多个像素单元中的Q列像素单元连接到给入信号区域，Q列像素单元包括拐角对应的像素单元，Q为小于或等于K的自然数。
这样，数据连接线从显示区域中的多个像素单元的空隙穿过，不占用下边框的空 间，从而缩小下边框。
第四方面，本申请实施例提供一种显示屏，包括上述第一方面、第二方面或第三方面中任一种的显示面板，显示面板用于显示图像。
上述第四方面以及上述第四方面的各可能的设计中所提供的显示屏，其有益效果可以参见上述第一方面和第一方面的各可能的显示面板所带来的有益效果，在此不再赘述。
第五方面，本申请实施例提供一种显示设备，包括上述第三方面的显示屏。显示屏用于显示图像。
上述第五方面以及上述第五方面的各可能的设计中所提供的显示设备，其有益效果可以参见上述第一方面和第一方面的各可能的显示面板所带来的有益效果，在此不再赘述。
附图说明
图1为可能的实现中一种柔性显示屏的立体结构示意图；
图2为可能的实现中一种显示面板的平面示意图；
图3为可能的实现中一种显示面板的结构示意图；
图4为可能的实现中一种显示面板的R角结构示意图；
图5为可能的实现中一种显示面板中部分上边框区域和R角区域的结构示意图；
图6为本申请实施例提供的一种显示面板的结构示意图；
图7为本申请实施例提供的一种显示面板的对比图；
图8为本申请实施例提供的一种显示面板的R角的结构示意图；
图9为本申请实施例提供的一种显示面板的R角的结构示意图；
图10为本申请实施例提供的一种显示面板的结构示意图；
图11为本申请实施例提供的一种R角边框横截面的结构示意图；
图12为本申请实施例提供的一种R角边框横截面的结构示意图；
图13为本申请实施例提供的像素单元的结构示意图；
图14为本申请实施例提供的一种具体的显示电路的结构示意图；
图15为本申请实施例提供的一种具体的显示电路的结构示意图；
图16为本申请实施例提供的一种显示屏的结构示意图；
图17为本申请实施例提供的一种显示设备的结构示意图。
具体实施方式
为了便于清楚描述本申请实施例的技术方案，在本申请的实施例中，采用了“第一”、“第二”等字样对功能和作用基本相同的相同项或相似项进行区分。例如，第一设备和第二设备仅仅是为了区分不同的设备，并不对其先后顺序进行限定。本领域技术人员可以理解“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。
需要说明的是，本申请实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例 或设计方案不应被解释为比其他实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
需要说明的是，本申请实施例中，“包括”和/或“包含”指定存在所陈述的特征或元件，但是不排除一个或多个其他特征或元件的存在或附加。相反，“由…构成”指定存在所陈述的特征或元件，并且排除其他特征或元件的存在。
进一步的，当层、区域或元件被称为“在”另一层、另一区域或另一元件“上”时，它可以直接或间接在该另一层、另一区域或另一元件上。例如，可以存在中间层、中间区域或中间元件。
为便于说明，可以夸大或缩小附图中元件的尺寸。因此，尽管附图中所示的元件的相对尺寸和角度可以指示本公开的至少一个示例性实施例，但是可以存在具有与所示的相对尺寸和角度不同的相对尺寸和角度的本公开的其他示例性实施例。
当布线被称为“在第一方向或第二方向上延伸”时，布线不仅可以以线性形状延伸，而且可以在第一方向或第二方向上以之字形或弯曲形状延伸。此外，当说布线或元件在特定方向上延伸时，这意味着布线或元件主要在该特定方向上延伸，例如，布线或元件在该特定方向上比在任何其他方向上延伸得更大。
本申请实施例中，“在平面图中”是指从上方看的目标部分的图，并且“在截面图中”是指从侧面看的目标部分的垂直截面图。除非另外限定，否则术语“重叠”包括“在平面图中”和“在截面图中”重叠。除非另外限定，否则本文中描述的信号是电压或电流的通用术语。
随着智能手机等终端的快速发展，越来越多的柔性显示屏应用于终端中。柔性显示屏的具有可变型可弯曲的特点，并且柔性显示屏采用有机电激光显示(organic light-emitting diode，OLED)技术，具有低功耗的特点。
当柔性显示屏在进行四边弯曲时，在四个R角处由于应力不均导致部分膜层堆积，进而产生褶皱。示例性的，图1为可能的实现中一种柔性显示屏的立体结构示意图。当制备四曲面的显示屏时，即，制作四边都具有弯折部的显示屏时，柔性显示屏101的相邻边交界处由于显示屏的膜层堆积出现褶皱102，该褶皱102不仅会影响柔性显示屏101与手机其他部件如玻璃背板的贴合效果，且还会对柔性显示屏101的显示性能造成不良影响。
为了避免褶皱出现，以及美化视觉效果，需要将显示屏的R角边框缩减。显示面板是显示屏的一个重要组成部分，当显示面板中R角边框缩减时，对应的显示屏的R角边框缩减。
为了方便理解本申请实施例提供的显示面板，下面结合图2-图3对可能的实现中显示面板的结构进行说明。
图2为可能的实现中一种显示面板中的平面示意图。显示面板中包括显示区域DA和***区域PA。***区域PA位于显示区域DA外部，至少部分地围绕显示区域DA。
显示区域DA用于显示图像。显示区域DA的边缘可以形成直角。如图2所示，显示区域DA的边缘的第一拐角CN1可以具有圆形形状。具体地，显示区域DA可以包括彼此面对的第一边缘E1和第二边缘E2以及位于第一边缘E1与第二边缘E2之间并且彼此面对的第三边缘E3和第四边缘E4。第一边缘E1和第四边缘E4可以通过具 有圆形形状的第一拐角CN1连接，第二边缘E2和第四边缘E4可以通过具有圆形形状的第二拐角CN2连接。第一边缘E1和第三边缘E3可以通过具有圆形形状的第三拐角CN3连接，第二边缘E2和第三边缘E3可以通过具有圆形形状的第四拐角CN4连接。
可以理解的是，图2所示的显示面板中第一拐角CN1对应的部分显示区域DA和部分边框区域PA可以称为R角区域1。第二拐角CN2对应的部分显示区域DA和部分边框区域PA可以称为R角区域2。第三拐角CN3对应的部分显示区域DA和部分边框区域PA可以称为R角区域3。第四拐角CN4对应的部分显示区域DA和部分边框区域PA可以称为R角区域4。
显示区域DA中包括多个像素单元PX和能够将电信号施加到多个像素单元PX的布线。
多个像素单元PX中的每一个可以包括发光器件以及用于驱动发光器件的电路部分。例如，发光器件可以是有机发光二极管，并且电路部分可以包括多个晶体管、电容器等。
能够将电信号施加到多个像素单元PX的布线可以包括多条扫描线SL、多条数据线DL等。多条扫描线SL中的每一条可以在第一方向F1上延伸，并且多条数据线DL中的每一条可以在第二方向F2上延伸。多条扫描线SL例如可以以多行被设置以将扫描信号传输到像素PX，并且多条数据线DL例如可以以多列被设置以将数据信号传输到像素PX。多个像素PX中的每一个可以连接到多条扫描线SL之中的对应的扫描线SL以及多条数据线DL之中的对应的数据线DL。
***区域PA可以至少部分地围绕显示区域DA。作为其中没有设置像素单元PX的区域的***区域PA可以简单的分为与显示区域DA相邻的边框区域和焊盘区域PADA。
为方便描述，本申请实施例将边框区域分为上边框区域201、右边框区域202、下边框区域203、左边框区域204、第一拐角CN1对应的边框区域、第二拐角CN2对应的边框区域、第三拐角CN3对应的边框区域和第四拐角CN4对应的边框区域。
可以理解的是，上边框区域201为第三边缘对应的***区域；右边框区域202为第二边缘对应的***区域；下边框区域203为第四边缘对应的***区域；左边框区域204为第一边缘对应的***区域；第一拐角CN1对应的边框区域也可以称为第一拐角CN1对应的***区域；第二拐角CN2对应的边框区域也可以称为第二拐角CN2对应的***区域；第三拐角CN3对应的边框区域也可以称为第三拐角CN3对应的***区域；第四拐角CN4对应的边框区域也可以称为第四拐角CN4对应的***区域。
需要说明的是，上边框区域201、右边框区域202、左边框区域204中均包括像素单元工作所需信号线、VSS给信号区域，防护及检测区域和水氧隔离墙(Dam)区域。
其中，像素单元工作所需信号线包括直流电源线(vinit线)等。
VSS给信号区域用于为显示区域DA输出阴极信号，具体的，VSS给信号区域的VSS电路与像素单元PX的阴极连接，为提供像素单元PX提供阴极信号。
防护及检测区域用于防护和检测面板。防护及检测区域包括但不限于面板裂纹检测(panel crack detect，PCD)电路和隔离柱等。隔离柱用于隔绝空气中的水和氧气等，避免显示面板中的有机材料吸水。
Dam区域中包括Dam封装单元，DamAM封装单元用于隔绝空气中的水和氧气等，避免显示面板中的有机材料吸水。
右边框区域202和左边框区域204中还包括：GOA区域。GOA区域用于驱动像素单元PX显示图像。GOA区域中包括GOA电路。GOA电路中可以包括扫描驱动器SDV和/或发射驱动器EDV等。扫描驱动器SDV，用于沿着诸如扫描线SL的信号线将一个或多个诸如扫描信号的电信号提供到像素单元PX；发射驱动器EDV，用于沿着诸如发射控制线的信号线将一个或多个诸如发射控制信号的电信号提供到像素单元PX。
下边框区域203包括电源引线和集成电路IC给出信号线。电源引线用于为显示区域DA提供电力。集成电路IC给出信号线用于传输数据信号至像素单元PX，控制像素单元PX发光，进而控制显示区域DA的显示。
第一拐角CN1对应的边框区域、第二拐角CN2对应的边框区域、第三拐角CN3对应的边框区域和第四拐角CN4对应的边框区域均包括GOA电路，VSS给信号区域，防护及检测区域和Dam区域。
焊盘区域PADA是各种电子器件或印刷电路板等电附接的区域。焊盘区域PADA中的多个焊盘可以电连接到数据驱动器。示例性的，焊盘区域PADA包括给入信号区域。给入信号区域用于向像素单元PX传输数据信号。
可以理解的是，图2所示的显示面板可以应用在柔性显示屏中。当柔性显示屏在进行四边弯曲时，在四个R角处会有褶皱，为了避免褶皱出现，以及美化视觉效果，需要将R角的边框缩减。
但是，在R角区域中，设置有GOA电路和GOA电路的信号线。
示例性的，图3为图2对应的一种GOA电路布局的平面示意图。如图3所示，GOA电路301分别布局在左边框区域、右边框区域、第一拐角CN1对应的边框区域、第二拐角CN2对应的边框区域、第三拐角CN3对应的边框区域和第四拐角CN4对应的边框区域。
需要说明的是，图3所示的显示面板中像素单元PX的驱动方式为双侧驱动，每一行像素单元PX通过GOA信号线302分别与两侧的GOA驱动电路301对应连接。像素单元PX两侧的GOA电路排布方式相同或相似，本申请实施例对像素单元PX一侧的GOA电路301进行说明，像素单元PX另一侧的GOA电路301不做赘述。
下面对像素单元PX右侧的GOA电路301布局进行说明。图3示例性的给出10行像素单元PX和对应的GOA电路301。如图3所示，显示区域DA内从下至上依次为第1-10行像素单元PX，相应的***区域PA内从下至上依次为第1-10个GOA电路201。
第1-3行的部分像素单元PX处于R角区域2，相应的，第1-3个GOA电路201处于R角区域2。第4-8行像素单元PX对应的第4-8个GOA电路201位于右边框区域。第9-10行的部分像素单元PX处于R角区域4，相应的，第9-10个GOA电路201处于R角区域4。
需要说明的是，显示面板中像素单元的行数可以为其他数目，本申请实施例对此不作限定。
图4为图3所示的R角区域的放大后的结构平面示意图。如图4所示，R角区域1包括像素单元PX、GOA电路401、GOA信号线402、GOA输出线403和VSS走线404。GOA输出线403为连接一行像素单元PX的引线(例如，扫描线、发射控制线等)。GOA输出线403处于显示区域中。GOA电路401通过GOA信号线402和GOA输出线403与像素单元PX连接，进而控制像素单元PX显示图像。VSS走线404用于传输阴极信号。VSS走线404位于GOA电路401的外侧。
上述图3和图4所示的显示面板中，GOA电路和GOA电路的信号线占用R角区域的空间，导致R角区域的边框大，无法缩减。
有鉴于此，本申请实施例，通过将GOA电路布局在上边框区域、左边框区域和右边框区域，避免GOA电路占用R角区域的空间，缩减R角区域的边框。
需要说明的是，在显示面板的上边框区域存在未被占用的空间。示例性的，图5为可能的实现中一种显示面板中部分上边框区域和R角区域的结构示意图。如图5所示，边框区域包括边界501、阴极给信号区域502、未被占用的空间503、GOA电路的信号连线504，在拐角区域包括GOA电路505、GOA信号线506。GOA电路的信号连线504用于连接显示面板两侧的GOA电路。在图5中在上边框区域包括未被占用的空间503。
图6为本申请实施例提供的一种GOA电路布局的平面示意图。如图6所示，GOA电路601分别布局在左边框区域、右边框区域和上边框区域。GOA电路601通过GOA信号线602和GOA输出线603与像素单元PX连接。图6示例性的给出10行像素单元PX和对应的GOA电路。如图6所示，显示区域DA内从下至上依次为第1-10行像素单元PX，相应的***区域PA内从下至上依次为第1-10个GOA电路。
具体的，第1-3行的部分像素单元PX处于R角区域2，相应的，第1-3个GOA电路处于右边框区域。第4-8行像素单元PX对应的第4-8个GOA电路按顺序依次上移。当GOA电路上移至R角区域时，将GOA电路移至上边框区域。第4行和第5行像素单元PX对应的第4个和第五个GOA电路位于右边框区域。第6-8行的像素单元PX对应的第6-8个GOA电路位于上边框区域。第9-10行的部分像素单元PX处于R角区域4，相应的，第9-10个GOA电路处于上边框区域。
相比较于图3所示的GOA电路，图6所示的GOA电路依次上移，当左边框区域和右边框区域无法容纳部分GOA电路时，将该部分GOA电路放置于上边框区域。
可能实现的方式中，与第一像素单元连接的GOA电路放置在第三边缘对应的***区域；与第二像素单元连接的GOA电路放置在第一边缘和第二边缘对应的***区域；第一像素单元为与第三边缘在列方向上的距离小于或等于第一阈值的像素单元，第二像素单元为与第三边缘在列方向上的距离小于或等于第一阈值的像素单元。
示例性的，图6中的显示面板中，第一阈值为第6行像素单元至上边框区域在列方向上的距离。第6-10行像素单元对应的GOA电路放置在上边框区域，其余像素单元对应的GOA电路放置在左边框区域和右边框区域。可以理解的是，第一阈值的取值与显示面板的具体尺寸相关，此处不做限定。
这样，将全部的GOA电路放置于上边框区域，左边框区域和右边框区域，使得GOA电路不会占用R角区域的空间，缩小R角的边框，美化视觉效果并避免褶皱出 现。
本申请实施例中，将GOA电路的布局改变后，R角区域的边框缩小。图7为本申请实施例提供的一种对比图。图7中的A所示的为上述图3对应的显示面板的平面图。图7中的B所示的为上述图6对应的显示面板的平面图。当GOA电路的布局改变后，R角区域的边框缩小，显示面板的平面图从图7中的A所示的平面图变化为图7中的B所示的平面图。
在上述实施例的基础上，R角区域的VSS给信号区域可以去除，进一步的缩小R角区域的边框。示例性的，图4所示的显示面板中，R角区域的VSS走线404可以去除。
需要说明的是，显示面板中的VSS信号是通过整个平面的阴极搭接传输至像素单元PX，R角区域的VSS给信号区域为像素单元PX提供VSS信号，去除R角区域的VSS给信号区域，不会影响显示面板的显示效果。
图8和图9为本申请实施例提供的显示面板的不同区域的局部平面示意图。下面结合图8和图9对显示面板的***区域PA进行说明。
图8为本申请实施例提供的一种显示面板的局部平面示意图。如图8所示，GOA电路804设置在右边框区域，未占用R角区域的空间。R角区域对应的像素单元PX和相应的GOA电路804通过GOA信号线802和GOA输出线801连接，GOA信号线802沿拐角延伸至右边框区域与GOA电路802连接。
本申请实施例中右边框区域包括：GOA信号线802、像素单元工作所需信号线803、GOA电路804、VSS给信号区域805、防护和检测区域806和Dam区域807。R角区域包括：GOA信号线802、像素单元工作所需信号线803、防护和检测区域806和Dam区域807。在R角区域中不包括GOA电路802和VSS给信号区域803，没有VSS走线。进一步的缩小了R角区域的边框。
图9为图6对应的一种局部放大示意图。如图9所示，GOA电路904设置在上边框区域，未占用R角区域的空间。R角区域对应的像素单元PX和相应的GOA电路904通过GOA信号线902和GOA输出线901连接，GOA信号线902沿拐角延伸至右边框区域与GOA电路902连接。
本申请实施例中右边框区域包括：GOA信号线902、像素单元工作所需信号线903、GOA电路904、VSS给信号区域905、防护和检测区域906和Dam区域907。R角区域包括：GOA信号线902、像素单元工作所需信号线903、防护和检测区域906和Dam区域907。在R角区域中不包括GOA电路902和VSS给信号区域903，没有VSS走线。进一步的缩小了R角区域的边框。
图10为本申请实施例提供的另一种GOA电路布局的平面示意图。如图10所示，GOA电路1001分别布局在左边框区域和右边框区域，且GOA电路1001的纵向尺寸H1小于其对应的像素单元PX的纵向尺寸H2。GOA电路1001通过GOA信号线1002和GOA输出线1003与像素单元PX连接。图10示例性的给出10行像素单元PX和对应的GOA电路。如图10所示，显示区域DA内从下至上依次为第1-10行像素单元PX，相应的***区域PA内从下至上依次为第1-10个GOA电路。
需要说明的是，本申请实施例中，GOA电路的纵向尺寸H1小于其对应的像素单 元的纵向尺寸D2。这样，在左边框区域和右边框区域容纳更多的GOA电路。
具体的，第1-3行的部分像素单元PX处于R角区域2，相应的，第1-3个GOA电路处于右边框区域。第4-10行像素单元PX对应的第4-10个GOA电路按顺序依次排列。
相比较于图3所示的GOA电路，图10所示的GOA电路纵向尺寸H1小于其对应的像素单元的纵向尺寸H2，使得左边框区域和右边框区域可以容纳显示区域中全部像素单元对应的GOA电路。这样，GOA电路不会占用R角的空间，从而降低R角边框，避免显示屏的褶皱出现。
在上述实施例的基础上，***区域的PCD检测引线与拐角的距离小于Dam区域与拐角的距离。这样，PCD检测引线不会穿过Dam区域，加强Dam区域的隔离水氧的效果，避免显示区域中有机材料的失效。
下面结合图11和图12对本申请实施例中R角区域的结构进行说明。
图11为本申请实施例提供的一种R角区域的边框的截面示意图。该截面中包括：GOA信号线1101、像素单元工作所需信号线1102、PCD检测引线1103、内隔离柱1104、Dam区域1105、外隔离柱1106。
本申请实施例中，显示面板具有多种膜层，图11中R角区域的膜层从下向上的分别为基底(PI)例如柔性聚酰亚胺、两个无机层(硅的氧化物和硅的氮化物)、Gate3、硅的氮氧化物、SD膜层。
GOA信号线1101用于连接多个像素单元PX，并与GOA信号线1101连接，进而连接GOA电路。GOA信号线1101处于Gate3(金属层，例如，钼Mo金属)膜层。
需要说明的是，GOA的信号线可以处于Gate1膜层(金属层，例如，钼Mo金属)、Gate2(金属层，例如，钼Mo金属)膜层、Gate3(金属层，例如，钼Mo金属)膜层、ITO膜层或者SD(金属层，钛Ti/铝Al/钛Ti)等可以导电的膜层。此处不做限定。
像素单元工作所需信号线1102包括直流信号线(vinit线)。像素单元工作所需信号线1102处于SD(金属层，Ti/Al/Ti钛/铝/钛)等可以导电的膜层。
PCD检测引线1103、内隔离柱1104、Dam区域1105、外隔离柱1106均包含于显示面板的封装区域。Dam区域1105数量可以为1，也可以为2，本申请实施例对此不做限定。显示面板的封装区域可以是刚性的，也可以是柔性的，本申请实施例对此不做限定。
从图11所示的R角区域的边框的截面图中R角边框位置中没有GOA电路和VSS走线。R角区域的边框缩小。
图12为本申请实施例提供的另一种R角区域的截面示意图。该截面中包括：GOA信号线1201、像素单元工作所需信号线1202、PCD检测引线1203、Dam区域1204。
GOA信号线1201、像素单元工作所需信号线1202的位置可以参照上述图11中相应部件的说明。
本申请实施例对显示面板的封装区域包括PCD检测引线1203和Dam区域1204，不包括内隔离柱和外隔离柱。本申请实施例对封装区域的结构不做限定。
在上述实施例的基础上，为缩小R角边框，显示面板中GOA信号线和/或数据连接线可以从像素单元的空隙中穿过。下面结合图13-图15对GOA信号线和数据连接 线的排布进行说明。
图13为本申请实施例中提供的像素单元的结构示意图。如图13中的A所示，像素单元中包括发光器件1301、底部驱动电路1302和阳极引线1303。
发光器件1301通过阳极引线1303与底部驱动电路1302连接。
发光器件1301用于发射光。发光器件1301可以发射红光、绿光和蓝光中的一种或多种，当然本申请实施例不限于此例如，每个发光器件1301还可以发射诸如青色、品红色和黄色等颜色的光。多个发光器件1301发射的光组成显示图像。发光器件1301可以是有机发光二极管。发光器件1301的大小和形状可以一致也可以不一致，本申请实施例对此不作限定。
底部驱动电路1302用于驱动发光器件1301。底部驱动电路1302可以包括多个晶体管、电容器等。
示例性的，底部驱动电路1302包括可以包括第一晶体管T1、第二晶体管T2和电容器Cst。第一晶体管T1和第二晶体管T2可以是薄膜晶体管。
第二晶体管T2为开关晶体管，可以连接到扫描线和数据线。第二晶体管T2用于根据输入到扫描线的开关电压将从数据线输入的数据信号传输到第一晶体管T1。
电容器Cst可以连接到第二晶体管T2和电源电压线。电容器Cst用于存储与对应于从第二晶体管T2接收的数据信号的电压和供应到电源电压线的第一电源电压ELVDD之间的差对应的电压。电源电压线可以与扫描线或数据线平行地间隔开。
第一晶体管T1为驱动晶体管，可以连接到电源电压线和电容器Cst。第一晶体管T1用于响应于存储在电容器Cst中的电压值，从而控制流过发光器件1301的驱动电流Ioled，控制发光器件1301的发光强度等。底部驱动电路1302还可以是7T1C电路等。晶体管的数量和电容器的数量可以根据底部驱动电路的设计进行各种改变，本申请实施例对此不作限定。
本申请实施例中，底部驱动电路所围成的区域的尺寸小于像素单元所围成的区域的尺寸，使得底部驱动电路之间存在空隙，方便后续GOA信号线和/或数据连接线等从空隙中穿过。示例性的，发光器件在行方向的尺寸大于相邻的发光器件对应的底部驱动电路在行方向的尺寸。
在图13中的A所示的像素单元中，底部驱动电路所围成的区域的在行方向的尺寸D2小于像素单元所围成的区域的在行方向的尺寸D1，底部驱动电路之间存在空隙1304。
D1大于D2可以理解为底部驱动电路1302的宽度小于其控制的发光器件1301的宽度。或者理解为像素单元的底部驱动电路1302的占用空间小于其控制的发光器件1301的占用空间，或者多个发光器件1301相对于相应的底部驱动电路1302是发散的。这样，相邻的底部驱动电路1302之间存在空隙1304，可以提升背板的透过率，或者，用于排布GOA信号线和/或数据连接线等。
可能实现的方式中，为增加空隙宽度，方便GOA信号线和/或数据连接线等的排布，相邻的发光器件的几何中心在行方向上的间隔大于相应的底部驱动电路在行方向上的尺寸。如图13中的B所示的像素单元，D3为相邻的发光器件的几何中心在行方向上的尺寸，D4为相邻的底部驱动电路在行方向上的尺寸。D3大于D4。可能的实现 方式中，一个像素单元内包括多个发光器件。多个发光器件的底部驱动电路可以排列或集成在一起，使得像素单元中多个底部驱动电路和多个发光器件面积比小于1。
下面对GOA信号线的排布进行说明。图14为本申请实施例提供的一种具体的显示电路的结构示意图。如图14所示，显示电路中包括GOA电路1401、GOA信号线1402、GOA输出线1403和像素单元1404。图14示例性的给出2行12列的像素单元1404和多个GOA电路1401。GOA信号线1402与GOA电路1401和GOA输出线1403连接。GOA输出线1403用于连接一行发光器件对应的底部驱动电路。
GOA电路1401位于上边框区域。GOA信号线1402沿列方向延伸穿过像素单元1404的空隙与相应的GOA输出线1403连接。示例性的，第1个GOA电路1201通过GOA信号线1402和GOA输出线1403与第1行发光器件对应的GOA输出线1403连接。
图14所示的显示电路，将GOA信号线从像素单元中穿过，避免从R角处延伸经过，从而节省R角的空间。图14所示的显示电路可以使得显示面板的R角缩小，使得显示面板更加美观。
可能的实现方式中，像素单元内发光器件对应的底部驱动电路排布在一起，进一步的减少占用空间。并且相邻像素单元的空间距离较大，可以容纳更多的GOA信号线排布。
可以理解的是，图14中GOA信号线为线性延伸，GOA信号线也可以以弯曲形状延伸和/或圆角连接。GOA信号线可以以“Z”字型，“几”字型、或“之”字型在像素单元之间排布。本申请实施例对GOA信号线的具体排布形状不做限定。
下面对数据连接线的排布进行说明。图15为本申请实施例提供的一种显示面板的结构示意图。显示电路中包括：给入信号区域1501、信号引线区1502、数据引线一1503、数据引线二1504、信号转接处1505、像素单元1506和数据线1507。
给入信号区域1501用于输出数据信号。给入信号区域1501与数据驱动器连接，输出数据信号。
信号引线区1502包括多个信号引线。每个信号引线的两端分别连接给入信号区域1501和数据线1507，或者分别连接给入信号区域1501和数据引线一1503。信号引线区1502用于将数据信号传输至数据线1507或者数据引线一1503。需要说明的是，信号引线也可以称为信号线。
数据引线一1503与数据引线二1504分别为两种方向排布的数据引线，用于连接给入信号区域1501和数据线1507。数据引线一1503沿像素单元1506的列方向排布。数据引线二1504沿像素单元1506的行方向排布。数据引线一1503也可以称为第二部分连接线，数据引线二1504也可以称为第一部分连接线。数据引线一1503和数据引线一1504可以合称为数据连接线。
数据引线一1503与数据引线二1504可以处于Gate1膜层(金属层，比如钼(Mo)金属等)、Gate2(金属层，比如钼(Mo)金属等)膜层、Gate3(金属层，比如钼(Mo)金属等)膜层、ITO膜层或者SD(金属层，Metal层，Ti/Al/Ti钛/铝/钛)等可以导电的膜层。此处不做限定。
信号转接处1505用于连接数据引线二1504与数据线1507。
像素单元1506用于根据数据线1507传输的数据信号发射光。
数据线1507用于传输数据信号，数据线1507传输的数据信号可以控制像素单元1506发光或不发光，以及发光的强度等。
可以理解的是，给入信号区域1501输出的数据信号经过信号引线区1502传输至数据线1507，进而控制数据线1507对应的一列像素单元1506进行显示。给入信号区域1501输出的数据信号经过信号引线区1502、数据引线一1503和数据引线二1504和信号线转接处1505传输数据信号至数据线1507，进而控制数据线1507对应的一列像素单元1506进行显示。
图15所示的显示电路，将数据引线从像素单元中穿过，避免从R角处延伸经过，从而节省R角和下边框的空间。图15所示的显示电路可以使得显示面板的下边框缩小，显示屏更加美观。
可能的实现方式中，像素单元内发光器件对应的底部驱动电路排布在一起，进一步的减少占用空间。并且相邻像素单元的空间距离较大，可以容纳更多的数据连接线排布。
可以理解的是，图15中数据连接线为线性延伸且直角连接，数据连接线也可以以弯曲形状延伸和/或圆角连接。数据连接线可以以“Z”字型，“几”字型、或“之”字型在像素单元之间排布。本申请实施例对数据连接线的具体排布形状不做限定。
本申请实施例还提供一种显示屏，显示屏包括上述显示面板，显示面板用于显示图像。示例性的，图16为本申请实施例提供的一种显示屏的结构示意图，如图16所示，显示屏包括但不限于包括保护盖板1601、偏光片1602、显示面板1603、散热层1604以及保护层1605。
偏光片1602固定于保护盖板1601。保护盖板1601可以为透明玻璃盖板，或者聚酰亚胺等有机材料盖板，以在起到保护的作用的同时，减小对显示屏的显示效果的影响；偏光片1602可以为圆偏光片，用于避免阳极反射光。散热层1604可以选用散热铜箔，保护层1605可以为保护泡棉。显示屏的各个层结构之间可以通过光学透明胶或者非透明压敏胶进行粘接。另外，由于空气中的水汽和氧气等成分对显示面板1603的发光器件的寿命影响较大，因此，需要对显示面板的发光器件进行严格的水氧密闭封装，以使发光器件的各功能层与空气中的水汽和氧气等成分充分隔开。
本申请实施例中，显示屏可以为柔性显示屏或者刚性显示屏。示例性的，显示屏可以为OLED显示屏、QLED柔性显示屏、卷曲屏幕，折叠屏幕等。
本申请实施例还提供一种显示设备，显示设备中包括上述显示屏，显示屏用于显示图像。示例性的，如图17所示，显示设备包括但不限于显示屏1701、中框1702、后壳1703和印制电路板(printed circuit board，PCB)1704。中框1702可以用来承载印制电路板和显示屏1701，显示屏1701和印制电路板位于中框1702的两侧，后壳1703位于印制电路板远离中框1702的一侧。另外，显示设备还可以包括设置于PCB 1704上的元器件1705，该元器件1705可以但不限于设置于PCB 1704朝向中框1702的一侧。
本申请实施例中显示设备可以为具有上述显示屏的终端设备，例如终端设备包括：手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile  internet device，MID)、可穿戴设备，虚拟现实(virtual reality，VR)设备、增强现实(augmented reality，AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等，本申请实施例对此并不限定。
此外，在本申请实施例中，终端设备还可以是物联网(internet of things，IoT)***中的终端设备，IoT是未来信息技术发展的重要组成部分，其主要技术特点是将物品通过通信技术与网络连接，从而实现人机互连，物物互连的智能化网络。
本申请实施例中的终端设备也可以称为：用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。
在本申请实施例中，终端设备或各个网络设备包括硬件层、运行在硬件层之上的操作***层，以及运行在操作***层上的应用层。该硬件层包括中央处理器(central processing unit，CPU)、内存管理单元(memory management unit，MMU)和内存(也称为主存)等硬件。该操作***可以是任意一种或多种通过进程(process)实现业务处理的计算机操作***，例如，Linux操作***、Unix操作***、Android操作***、iOS操作***或windows操作***等。该应用层包含浏览器、通讯录、文字处理软件、即时通信软件等应用。
以上内容，仅为本申请的具体实施方式，但本申请实施例的保护范围并不局限于此，任何在本申请实施例揭露的技术范围内的变化或替换，都应涵盖在本申请实施例的保护范围之内。因此，本申请实施例的保护范围应以权利要求的保护范围为准。

Claims (11)

  1. 一种显示面板，其特征在于，包括：显示区域以及至少部分地围绕所述显示区域的***区域；所述显示区域包括第一边缘、第二边缘、第三边缘和第四边缘，所述第一边缘与所述第二边缘相对设置，所述第三边缘和所述第四边缘相对设置，所述第一边缘与所述第四边缘之间的拐角是弯曲的；
    其中，所述显示区域包括多个像素单元；
    所述第一边缘、所述第二边缘和所述第三边缘对应的***区域均包括栅极驱动GOA电路和GOA信号线；所述GOA电路用于驱动所述像素单元，所述GOA信号线用于连接所述GOA电路和所述像素单元；
    其中，所述第一边缘、所述第二边缘和所述第三边缘对应的***区域包括全部所述GOA电路。
  2. 根据权利要求1所述的显示面板，其特征在于，所述拐角对应的***区域包括面板裂纹检测PCD引线和水氧阻挡墙Dam区域，所述PCD引线与所述拐角的距离小于所述Dam区域与所述拐角的距离，使得所述PCD引线不会穿过所述Dam区域。
  3. 根据权利要求1或2所述的显示面板，其特征在于，所述拐角对应的***区域还包括隔离柱，所述隔离柱设置在所述Dam区域的两侧。
  4. 根据权利要求1或2所述的显示面板，其特征在于，所述***区域在所述拐角处的宽度小于所述***区域在所述第一边缘处的宽度。
  5. 一种显示面板，其特征在于，包括：显示区域以及至少部分地围绕所述显示区域的***区域；所述显示区域包括第一边缘、第二边缘、第三边缘和第四边缘，所述第一边缘与所述第二边缘相对设置，所述第三边缘和所述第四边缘相对设置，所述第一边缘与所述第四边缘之间的拐角是弯曲的；
    其中，所述显示区域包括多个像素单元；
    所述第一边缘和所述第二边缘对应的***区域均包括栅极驱动GOA电路和GOA信号线；所述GOA电路用于驱动所述像素单元，所述GOA信号线用于连接所述GOA电路和所述像素单元；
    其中，所述GOA电路的纵向尺寸小于其所对应的像素单元的纵向尺寸，使得所述第一边缘和所述第二边缘对应的***区域包括全部所述GOA电路。
  6. 根据权利要求5所述的显示面板，其特征在于，所述拐角对应的***区域包括PCD引线和Dam区域，所述PCD引线与所述拐角的距离小于所述Dam区域与所述拐角的距离，使得所述PCD引线不会穿过所述Dam区域。
  7. 根据权利要求5或6所述的显示面板，其特征在于，所述拐角对应的***区域还包括隔离柱，所述隔离柱设置在所述Dam区域的两侧。
  8. 根据权利要求5或6所述的显示面板，其特征在于，所述***区域在所述拐角处的宽度小于所述***区域在所述第一边缘处的宽度。
  9. 根据权利要求1或5所述的显示面板，其特征在于，所述***区域包括给入信号区域，所述给入信号区域与所述第四边缘邻近，且所述给入信号区域的长度小于或等于所述第四边缘的长度；
    所述显示区域还包括布置在所述像素单元之间的K根数据连接线，K为自然数；
    所述像素单元包括M列*N行发光器件、M列*N行底部驱动电路和M*N个阳极引线，所述阳极引线用于连接所述发光器件与所述底部驱动电路，所述底部驱动电路设置于所述发光器件的下层，M和N均为自然数；
    其中，所述像素单元中相邻的所述发光器件的间隔大于所述像素单元中相邻的所述发光器件对应的所述底部驱动电路的尺寸使得所述像素单元中存在空隙；
    所述K根数据连接线，用于穿过所述显示区域中的多个所述像素单元的空隙，将所述多个像素单元中的Q列像素单元连接到所述给入信号区域，所述Q列像素单元包括所述拐角对应的所述像素单元，Q为小于或等于K的自然数。
  10. 一种显示屏，其特征在于，包括权利要求1-9任一项所述的显示面板，所述显示面板用于显示图像。
  11. 一种显示设备，其特征在于，包括权利要求10所述的显示屏，所述显示屏用于显示图像。
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