CN115311943A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN115311943A CN115311943A CN202210893913.5A CN202210893913A CN115311943A CN 115311943 A CN115311943 A CN 115311943A CN 202210893913 A CN202210893913 A CN 202210893913A CN 115311943 A CN115311943 A CN 115311943A
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- 239000000758 substrate Substances 0.000 claims abstract description 75
- 238000005452 bending Methods 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000011889 copper foil Substances 0.000 claims description 11
- 239000012044 organic layer Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 39
- 230000005611 electricity Effects 0.000 abstract description 35
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a display module and a display device, which relate to the technical field of display, wherein the display module comprises: a cover plate; the display panel is arranged on the light emergent side of the display panel and comprises a flexible substrate; the flexible substrate comprises a main body part, and a bending part and a binding part which are connected with the main body part; the flexible substrate is in an unfolded state, and the binding part is located on one side of the main body part along a first direction and used for binding the driving chip; and a bending part is arranged on one side of the main body part far away from the binding part along the first direction and/or at least one side of the main body part along the second direction, and the bending part is bent towards the direction far away from the cover plate under the bending state of the flexible substrate, wherein the second direction is crossed with the first direction. The invention effectively reduces static electricity entering the display panel and improves the display effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display module and a display device.
Background
With the continuous development of display technology, display devices are applied more and more widely in various fields. In general, in the manufacturing process of a display panel, a plurality of patterns of the display panel are formed on a mother board, and then the mother board is cut to obtain a discrete display panel.
However, in the display panel formed after cutting, part of the cut edge of the substrate is aligned with the edge of the cover plate, so that in the using process, static electricity accumulated on the cover plate can enter the display panel through the cut edge of the substrate, the performance of devices in the display panel is influenced, and the display effect is influenced.
Disclosure of Invention
In view of this, the present invention provides a display module and a display device, which effectively reduce static electricity entering into the display panel and improve the display effect.
The invention provides a display module, comprising: a cover plate; the display panel is positioned on the light emergent side of the display panel and comprises a flexible substrate; the flexible substrate comprises a main body part, and a bending part and a binding part which are connected with the main body part; the flexible substrate is in an unfolded state, and the binding part is located on one side of the main body part along a first direction and used for binding the driving chip; and a bending part is arranged on one side of the main body part far away from the binding part along the first direction and/or at least one side of the main body part along the second direction, and the bending part is bent towards the direction far away from the cover plate under the bending state of the flexible substrate, wherein the second direction is crossed with the first direction.
Based on the same idea, the invention also provides a display device which comprises the display module provided by the invention.
Compared with the prior art, the display module and the display device provided by the invention at least realize the following beneficial effects:
in this application, display panel includes the flexible substrate, and the flexible substrate includes the main part and the kink that is connected with the main part and binds the portion. The flexible substrate is in the expansion state, along first direction, and the binding portion is located one side of main part, and the binding portion is used for binding driver chip. The binding portion is provided with a first direction, a second direction and a third direction, wherein the binding portion is provided with a binding portion, the binding portion is provided with a bending portion, and the first direction is opposite to the second direction. Under the flexible substrate state of buckling, the kink is buckled towards the direction that deviates from the apron to the kink is kept away from the edge of main part one side and is buckled to the one side that the main part deviates from the apron, thereby be favorable to reducing the length of the part that aligns with the apron in the edge of flexible substrate, effectively alleviate the apron on the accumulated static get into the inside problem of display panel through the edge of flexible substrate, reduce the influence to the performance of device in the display panel, effectively improve display effect.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view of a partial structure of a display module according to the present invention;
FIG. 2 is a schematic plan view of a flexible substrate provided in accordance with the present invention in an expanded state;
FIG. 3 is another schematic plan view of a flexible substrate provided in accordance with the present invention in an expanded state;
FIG. 4 is a schematic view of a partial structure of another display module according to the present invention;
FIG. 5 is a schematic plan view of a flexible substrate provided in accordance with the present invention in an expanded state;
FIG. 6 is a schematic plan view of a flexible substrate provided in accordance with the present invention in an expanded state;
FIG. 7 is a schematic plan view of a flexible substrate provided in accordance with the present invention in an expanded state;
FIG. 8 is a schematic view of a partial structure of another display module according to the present invention;
FIG. 9 is a schematic view of a partial structure of another display module according to the present invention;
fig. 10 is a schematic plan view of a display device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
Fig. 1 is a schematic partial structure diagram of a display module according to the present invention, fig. 2 is a schematic plan view of a flexible substrate according to the present invention in an unfolded state, and referring to fig. 1 and fig. 2, the present embodiment provides a display module, which includes a cover plate 100 and a display panel 200, wherein the cover plate 100 is located on a light-emitting side of the display panel 200, and the cover plate 100 can protect the display panel 200. Alternatively, the cover plate 100 may be a glass cover plate. In some optional embodiments, an optical adhesive 300 is further disposed between the cover plate 100 and the display panel 200, and the cover plate 100 can be attached to the light-emitting side of the display panel 200 through the optical adhesive 300.
The display panel 200 includes a flexible substrate 210, and the flexible substrate 210 includes a main body portion 211, and a bending portion 212 and a binding portion 213 connected to the main body portion 211. In the unfolded state of the flexible substrate 210, the binding portion 213 is located at one side of the main body portion 211 along the first direction X, and the binding portion 213 is used for binding a driver chip (not shown in the figure). In the display module, the binding portion 213 may be bent toward a direction away from the cover plate 100, thereby facilitating the narrow bezel of the display module.
Along a first direction X, a bending portion 212 is disposed on a side of the main body portion 211 away from the binding portion 213, and in a state that the flexible substrate 210 is bent, the bending portion 212 is bent towards a direction away from the cover plate 100, wherein the first direction X is parallel to a plane where the cover plate 100 is located. Under the flexible substrate 210 state of buckling, the kink 212 is buckled towards the direction of deviating from the apron 100, thereby the flexible substrate 210 when the expansion state the edge that kink 212 kept away from main part 211 one side is buckled to the main part 211 and is deviated from one side of apron 100, thereby be favorable to reducing the length of the part of aligning with apron 100 in the edge of flexible substrate 210, effectively alleviate the static that accumulates on the apron 100 and get into the inside problem of display panel 200 through the edge of flexible substrate 210, reduce the influence to the performance of the interior device of display panel 200, effectively improve the display effect.
Similarly, fig. 3 is another schematic plan view of the flexible substrate provided by the present invention in an unfolded state, and referring to fig. 1 and 3, in some alternative embodiments, a bending portion 212 is disposed on at least one side of the main body portion 211 along the second direction Y, and the second direction Y intersects with the first direction X. Optionally, the second direction Y is perpendicular to the first direction X. Along the second direction Y, the bending portion 212 is disposed on at least one side of the main body portion 211, which is beneficial to reducing the length of the portion, aligned with the cover plate 100, in the edge of the flexible substrate 210, effectively alleviating the problem that static electricity accumulated on the cover plate 100 enters the display panel 200 through the edge of the flexible substrate 210, reducing the influence on the performance of devices in the display panel 200, and effectively improving the display effect.
It should be noted that, fig. 3 exemplarily shows that the bending portions 212 are disposed on both sides of the main body portion 211 along the second direction Y, and meanwhile, the bending portion 212 is disposed on one side of the main body portion 211 away from the binding portion 213 along the first direction X, and of course, in other embodiments of the present invention, the bending portion 212 may be disposed only on one side of the main body portion 211 along the second direction Y, or the bending portion 212 is not disposed on one side of the main body portion 211 away from the binding portion 213 along the first direction X, or the bending portion 212 is disposed at other positions on the edge of the main body portion 211, which may be specifically disposed according to actual production requirements, and details of the present invention are not repeated herein.
Fig. 4 is a partial structural schematic view of another display module provided by the present invention, fig. 5 is a schematic plan view of a flexible substrate provided by the present invention in an unfolded state, and referring to fig. 4 and fig. 5, in some alternative embodiments, a conductive portion 220 is disposed on the bending portion 212.
Specifically, the conductive portion 220 is disposed on the bending portion 212, so that static electricity accumulated on the cover plate 100 can be transmitted to the conductive portion 220, and the static electricity is conducted away through the conductive portion 220, thereby effectively improving the antistatic performance of the display module.
Meanwhile, in the prior art, the mother substrate is cut to obtain the discrete display panel 100, and a large amount of static electricity is generated when the edge of the flexible substrate 210 is cut and formed. The conductive part 220 is arranged on the bent part 212, so that a large amount of instantaneous static electricity generated during cutting can be conducted to the conductive part 220, the conductive part 220 plays a role in dispersing and conducting away the static electricity, the condition that local static electricity is too much in the flexible substrate 210 is avoided, and the instantaneous large charge breakdown of the flexible substrate 210 is effectively avoided.
With continued reference to fig. 4 and fig. 5, in some alternative embodiments, along the same direction, an edge of the bending part 212 away from the main body part 211 is a first edge S1, and an edge of the conductive part 212 away from the main body part 211 is a second edge S2.
The distance between the first edge S1 and the second edge S2 is d, wherein d is more than or equal to 0 and less than or equal to 100 mu m. That is, the distance between the first edge S1 and the second edge S2 is less than or equal to 100 μm, the distance between the first edge S1 and the second edge S2 is smaller, that is, the distance between the first edge S1 and the conductive portion 212 is smaller, so that a large amount of static electricity generated at the moment of cutting the first edge S1 of the flexible substrate 210 can be conducted to the conductive portion 220, the conductive portion 220 can disperse and conduct away the static electricity, and the occurrence of local excessive static electricity in the flexible substrate 210 can be avoided, so that the breakdown of the flexible substrate 210 by the large charge at the moment can be effectively avoided.
In some alternative embodiments, the distance between the first edge S1 and the second edge S2 is 0, that is, the first edge S1 and the second edge S2 are aligned, so that when the first edge S1 of the flexible substrate 210 is formed by cutting, a large amount of transient static electricity generated can be directly conducted onto the conductive portion 220, and the conductive portion 220 plays a role in dispersing and conducting away the static electricity, thereby avoiding a situation of local excessive static electricity in the flexible substrate 210, and thus effectively avoiding transient large charge breakdown on the flexible substrate 210.
The distance between the first edge S1 and the second edge S2 refers to a distance between the first edge S1 and the second edge S2 located on the same side of the main body portion 211 and along the first direction X and the second edge S2, or a distance between the first edge S1 and the second edge S2 located on the same side of the main body portion 211 and along the second direction Y and the first edge S1 and the second edge S2. It should be noted that the related description is applicable to other embodiments of the present invention, and the description of the present invention is omitted.
With continued reference to fig. 4 and 5, in some alternative embodiments, the bent portion 212 includes a first bent portion 212a, and a side of the main body portion 211 away from the binding portion 213 along the first direction X is provided with the first bent portion 212a.
The conductive portion 220 includes a first conductive portion 220a, and the first bent portion 212a is provided with the first conductive portion 220a.
Specifically, along first direction X, set up first kink 212a in the side that main part 211 keeps away from binding portion 213, under flexible substrate 210 bending state, first kink 212a is towards the direction of deviating from apron 100 and is buckled, thereby first edge S1 of first kink 212a is buckled to the side that main part 211 deviates from apron 100, thereby be favorable to reducing the length of the part that aligns with apron 100 in the edge of flexible substrate 210, effectively alleviate the inside problem of static entering display panel 200 through the edge of flexible substrate 210 that accumulates on apron 100, reduce the influence to the performance of the device in display panel 200, effectively improve display effect.
The first conductive portion 220a is disposed on the first bending portion 212a, so that static electricity accumulated on the cover plate 100 can be transmitted to the first conductive portion 220a, and the static electricity is conducted away by the first conductive portion 220a, thereby effectively improving the antistatic performance of the display module. Meanwhile, the first conductive part 220a is disposed on the first bent part 212a, so that a large amount of instantaneous static electricity generated when the first edge S1 of the first bent part 212a is cut and formed is conducted onto the first conductive part 220a, and the first conductive part 220a plays a role in dispersing and conducting away the static electricity, thereby avoiding a situation that local static electricity is too much in the flexible substrate 210, and effectively avoiding instantaneous large charge from breaking down the flexible substrate 210.
With continued reference to fig. 4 and 5, in some alternative embodiments, the first conductive portion 220a extends along the second direction Y.
Specifically, the first conductive part 220a extends along the second direction Y, which is beneficial to increasing the setting length of the first conductive part 220a along the second direction Y, so as to reduce the length of the part of the edge of the flexible substrate 210 aligned with the cover plate 100, effectively alleviate the problem that static electricity accumulated on the cover plate 100 enters the display panel 200 through the edge of the flexible substrate 210, reduce the influence on the performance of devices in the display panel 200, and effectively improve the display effect.
Accordingly, the first conductive part 220a extends along the second direction Y, which is beneficial to increasing the installation length of the first conductive part 220a in the second direction Y, and is beneficial to increasing the installation area of the first conductive part 220a, thereby being beneficial to improving the static electricity dispersing and conducting capability of the first conductive part 220a.
Fig. 6 is a schematic plan view of a flexible substrate provided by the present invention in an unfolded state, and referring to fig. 4 and 6, in some alternative embodiments, the first conductive portion 220a includes a plurality of first sub-conductive portions 11 arranged along the second direction Y extending along the first direction X.
The plurality of first sub-conductive portions 11 in the first conductive portion 220a extend along the first direction X and are arranged along the second direction Y, so that the arrangement length of the first conductive portion 220a in the second direction Y is increased, and simultaneously, the stress of the first bent portion 212a during bending can be reduced, which is beneficial to realizing the bending of the first bent portion 212a.
With continued reference to fig. 4 and 5, in some alternative embodiments, the bent portion 212 includes a second bent portion 212b, and the second bent portion 212b is disposed on at least one side of the main body portion 211 along the second direction Y.
The conductive portion 220 includes a second conductive portion 220b, and the second bent portion 212b is provided with the second conductive portion 220b.
Specifically, at least one side of the main body portion 211 along the second direction Y is provided with a second bending portion 212b, and in a bending state of the flexible substrate 210, the second bending portion 212b is bent towards a direction away from the cover plate 100, so that the first edge S1 of the second bending portion 212b is bent to a side, away from the cover plate 100, of the main body portion 211, thereby being beneficial to reducing the length of a part, aligned with the cover plate 100, in the edge of the flexible substrate 210, effectively relieving the problem that static electricity accumulated on the cover plate 100 enters the inside of the display panel 200 through the edge of the flexible substrate 210, reducing the influence on the performance of devices in the display panel 200, and effectively improving the display effect.
The second conductive part 220b is disposed on the second bending part 212b, so that static electricity accumulated on the cover plate 100 can be transmitted to the second conductive part 220b, and is guided away by the second conductive part 220b, thereby effectively improving the antistatic performance of the display module. Meanwhile, the second conductive part 220b is disposed on the second bent part 212b, so that a large amount of instantaneous static electricity generated when the first edge S1 of the second bent part 212b is cut and formed is conducted onto the second conductive part 220b, and the second conductive part 220b plays a role in dispersing and conducting away the static electricity, thereby avoiding the occurrence of excessive local static electricity in the flexible substrate 210, and effectively avoiding the instantaneous large charge from breaking down the flexible substrate 210.
With continued reference to fig. 4 and 5, in some alternative embodiments, the second conductive portion 220b extends along the first direction X.
Specifically, the second conductive portion 220b extends along the first direction X, which is beneficial to increasing the setting length of the second conductive portion 220b along the first direction X, and is beneficial to reducing the length of the portion, aligned with the cover plate 100, in the edge of the flexible substrate 210, effectively relieving the problem that static electricity accumulated on the cover plate 100 enters the display panel 200 through the edge of the flexible substrate 210, reducing the influence on the performance of devices in the display panel 200, and effectively improving the display effect.
Accordingly, the second conductive part 220b extends along the first direction X, which is beneficial to increasing the installation length of the second conductive part 220b in the first direction X, and is beneficial to increasing the installation area of the second conductive part 220b, thereby being beneficial to improving the static electricity dispersion and conduction capability of the second conductive part 220b.
With continued reference to fig. 4 and 6, in some alternative embodiments, the second conductive portion 220b includes a plurality of second sub-conductive portions 12 arranged along the first direction X extending along the second direction Y.
The plurality of second sub-conductive portions 12 in the second conductive portion 220b extend along the second direction Y and are arranged along the first direction X, so that the arrangement length of the second conductive portion 220b in the first direction X is increased, and simultaneously, the stress of the second bent portion 212b during bending can be reduced, which is beneficial to realizing the bending of the second bent portion 212b.
Fig. 7 is a schematic plan view of a flexible substrate provided in the present invention in an unfolded state, and referring to fig. 4 and fig. 7, in some alternative embodiments, the display panel 200 further includes a potential signal line 230, the conductive portion 220 is electrically connected to the potential signal line 230, and static electricity on the conductive portion 220 is discharged through the potential signal line 230, so that static electricity is effectively prevented from entering the inside of the display panel 200.
With continued reference to fig. 4 and 7, in some alternative embodiments, the potential signal line 230 includes any one of a positive power signal line, a negative power signal line, a high-level voltage signal line, a low-level voltage signal line, and a ground signal line. Any one of the positive power signal line, the negative power signal line, the high-level voltage signal line, the low-level voltage signal line, and the ground signal line may be a potential signal line 230 electrically connected to the conductive portion 220, and the potential signal line 230 is not required to be additionally disposed in the display panel 200, so that static electricity on the conductive portion 220 is released, and a narrow frame is facilitated.
It should be noted that, this embodiment exemplarily shows that the potential signal line 230 includes any one of a positive power signal line, a negative power signal line, a high-level voltage signal line, a low-level voltage signal line, and a ground signal line, in other embodiments of the present invention, the potential signal line 230 may also be multiplexed with other signal lines in the display panel, and the description of the present invention is omitted.
With continued reference to fig. 4 and 7, in some alternative embodiments, the potential signal lines 230 include a first sub-potential signal line 231 and a second sub-potential signal line 232 disposed on opposite sides of the display panel 200 along the second direction Y, and a third sub-potential signal line 233 disposed on the display panel 200 away from the binding portion 213 along the first direction X, wherein the first sub-potential signal line 231 is electrically connected to the second sub-potential signal line 232 through the third sub-potential signal line 233. The first sub-potential signal line 231 and the second sub-potential signal line 232 are respectively used for electrical connection with the second conductive parts 220b provided on both sides of the main body part 211 in the second direction Y, and the second sub-potential signal line 232 is used for electrical connection with the first conductive part 220a provided on the side of the main body part 211 away from the binding part 213 in the first direction X.
With continued reference to fig. 4 and fig. 7, in some alternative embodiments, the potential signal line 230 and the conductive part 220 are disposed in the same layer, that is, the potential signal line 230 and the conductive part 220 can be made of the same material in the same process, which effectively reduces the process and the production cost.
Fig. 8 is a partial schematic structural view of another display module provided by the present invention, and referring to fig. 8, in some alternative embodiments, a copper foil 240 is disposed on a side of the flexible substrate 210 away from the cover plate 200, and in a direction perpendicular to a plane of the display panel 100, when the bending portion 212 is bent, the copper foil 240 and the conductive portion 220 at least partially overlap in the direction perpendicular to the plane of the cover plate 100. Along the direction perpendicular to the plane of the cover plate 100, the overlapping part of the copper foil 240 and the conductive part 220 forms a capacitor, which can effectively shield part of static electricity and effectively improve the antistatic capability of the display module.
Optionally, a support film 250 is disposed on a side of the main body portion 211 of the flexible substrate 210 away from the cover plate 200, the support film 250 supports the main body portion 211, and the copper foil 240 is disposed on a side of the support film 250 away from the main body portion 211.
With continued reference to fig. 8, in some alternative embodiments, the bending part 210 is bent to the back of the main body part 211, and the bending part 210 is bent to the side of the main body part 211 away from the cover plate 200 and contacts the copper foil 240, i.e. the edge of the bending part 210 contacts the copper foil 240. Optionally, the copper foil 240 is grounded. Static electricity at the edge of the bending part 210 can be led out through the copper foil 240, so that the antistatic capability of the display module is effectively improved.
Fig. 9 is a partial schematic structural diagram of another display module according to the present invention, and referring to fig. 9, in some alternative embodiments, the display panel 200 further includes an organic layer 260, and a surface of the conductive portion 220 on a side away from the flexible substrate 210 is covered with the organic layer 260. That is, the organic layer 260 is disposed to cover the conductive portion 220, so as to effectively prevent the conductive portion 220 from being eroded by water vapor and oxygen, and protect the conductive portion 220.
Optionally, the organic layer 260 covering the conductive portion 220 may be reused in the display panel 200, thereby effectively reducing the process and reducing the production cost.
In some optional embodiments, please refer to fig. 10, fig. 10 is a schematic plan view of a display device provided in the present invention, and the display device 1000 provided in this embodiment includes the display module provided in the above embodiments of the present invention. The embodiment of fig. 10 is only an example of a mobile phone, and the display device 1000 is described, it should be understood that the display device 1000 provided in the embodiment of the present invention may also be a display device 1000 with other display functions, such as a computer, a television, a vehicle-mounted display device, and the present invention is not limited in this regard. The display device 1000 provided in the embodiment of the present invention has the beneficial effects of the display module provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display module in each of the above embodiments, and details of this embodiment are not repeated herein.
According to the embodiment, the display module and the display device provided by the invention at least realize the following beneficial effects:
in this application, display panel includes the flexible substrate, and the flexible substrate includes the main part and the kink that is connected with the main part and binds the portion. The flexible substrate is in an unfolded state, and the binding portion is located on one side of the main body portion along the first direction and used for binding the driving chip. The binding portion is provided with a first direction, a second direction and a third direction, wherein the first direction is opposite to the second direction, the second direction is opposite to the first direction, and the binding portion is arranged on the side, far away from the binding portion, of the main body portion. Under the flexible substrate state of buckling, the kink is buckled towards the direction that deviates from the apron to the kink is kept away from the edge of main part one side and is buckled to the main part and deviates from one side of apron, thereby be favorable to reducing the length of the part that aligns with the apron in the edge of flexible substrate, effectively alleviate the apron on the accumulated static get into the inside problem of display panel through the edge of flexible substrate, reduce the influence to the performance of device in the display panel, effectively improve display effect.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (17)
1. A display module, comprising:
a cover plate;
the cover plate is positioned on the light emergent side of the display panel, and the display panel comprises a flexible substrate;
the flexible substrate comprises a main body part, and a bending part and a binding part which are connected with the main body part; the flexible substrate is in an unfolded state, and the binding part is located on one side of the main body part along a first direction and used for binding a driving chip;
the bending part is arranged on one side of the main body part far away from the binding part along the first direction and/or at least one side of the main body part along a second direction, and the bending part is bent towards the direction far away from the cover plate under the bending state of the flexible substrate, wherein the second direction and the first direction are crossed.
2. The display module of claim 1,
the bending part is provided with a conductive part.
3. The display module of claim 2,
along the same direction, the edge of the bending part far away from the main body part is a first edge, and the edge of the conductive part far away from the main body part is a second edge;
the distance between the first edge and the second edge is d, wherein d is more than or equal to 0 and less than or equal to 100 mu m.
4. The display module of claim 2,
the bending part comprises a first bending part, and the side of the main body part, which is far away from the binding part, is provided with the first bending part along the first direction;
the conductive part comprises a first conductive part, and the first conductive part is arranged on the first bending part.
5. The display module of claim 4,
the first conductive portion extends in the second direction.
6. The display module of claim 4,
the first conductive part includes a plurality of first sub-conductive parts arranged along the second direction extending along the first direction.
7. The display module of claim 2,
the bending part comprises a second bending part, and the second bending part is arranged on at least one side of the main body part along a second direction;
the conductive part comprises a second conductive part, and the second conductive part is arranged on the second bent part.
8. The display module of claim 7,
the second conductive portion extends in the first direction.
9. The display module of claim 7, wherein the second conductive portion comprises a plurality of second sub-conductive portions arranged along the first direction and extending along the second direction.
10. The display module of claim 2, wherein the display panel further comprises a potential signal line, and the conductive portion is electrically connected to the potential signal line.
11. The display module according to claim 10, wherein the potential signal line comprises any one of a positive power signal line, a negative power signal line, a high-level voltage signal line, a low-level voltage signal line, and a ground signal line.
12. The display module of claim 10, wherein the potential signal lines comprise a first sub-potential signal line and a second sub-potential signal line disposed on opposite sides of the display panel along the second direction, and a third sub-potential signal line disposed on the display panel away from the binding portion along the first direction, wherein the first sub-potential signal line is electrically connected to the second sub-potential signal line through the third sub-potential signal line.
13. The display module of claim 10, wherein the potential signal line and the conductive portion are disposed on the same layer.
14. The display module according to claim 2, wherein a copper foil is disposed on a side of the flexible substrate away from the cover plate, and in a direction perpendicular to a plane of the display panel, when the bending portion is bent, the copper foil and the conductive portion at least partially overlap.
15. The display module according to claim 14, wherein the bending portion is bent to the back of the main body portion and contacts the copper foil.
16. The display module of claim 2,
the display panel further includes an organic layer;
the surface of one side, away from the flexible substrate, of the conductive part is covered with the organic layer.
17. A display device, characterized in that the display device comprises the display module according to any one of claims 1-16.
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