CN113593409B - Display module and display device - Google Patents
Display module and display device Download PDFInfo
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- CN113593409B CN113593409B CN202110776382.7A CN202110776382A CN113593409B CN 113593409 B CN113593409 B CN 113593409B CN 202110776382 A CN202110776382 A CN 202110776382A CN 113593409 B CN113593409 B CN 113593409B
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- electrostatic contact
- display
- protective cover
- panel body
- electrostatic
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application discloses a display module and a display device. A display module includes: a display panel body; the protective cover plate is arranged on the display side of the display panel body and comprises a first area overlapped with the display panel body and a second area positioned outside the first area; the electrostatic contact layer at least comprises a plane electrostatic contact part, and the plane electrostatic contact part is arranged on the back side of the second area of the protective cover plate; the electrostatic conducting structure is connected with the electrostatic contact layer at one end; and the static electricity leading-out layer is arranged on the back side of the display panel body, and the other end of the static electricity conducting structure is connected with the static electricity leading-out layer. The display module assembly of this application embodiment can go out the electrostatic discharge on the protection apron, has avoided the electric charge of accumulation to shift to the display panel body through the protection apron, has prevented that the display panel body from damaging, showing unusually.
Description
Technical Field
The application relates to the field of display, concretely relates to display module assembly and display device.
Background
For display screen design, manufacturing and assembly enterprises and terminals, electrostatic damage is a problem throughout all processes. The circuit in the display screen device is very easy to be damaged by static electricity, so the static protection is considered in each production process and material turnover. However, when the whole device is used for static electricity testing and when a consumer uses the device, for example, a mobile phone rubs in a pocket of a garment, static electricity is accumulated on a protective cover plate (CG), and is difficult to be released, and accumulated charges are transferred to the display panel body through the protective cover plate, which causes damage to the display panel body and abnormal display.
Disclosure of Invention
The embodiment of the application provides a display module assembly and display device, can solve the problem that the static on the protection apron is difficult to the release, prevents that the electric charge of accumulation from shifting to the display panel body through the protection apron, prevents that the display panel body from damaging, showing unusually.
The embodiment of the application provides a display module assembly, include:
a display panel body;
the protective cover plate is arranged on the display side of the display panel body and comprises a first area overlapped with the display panel body and a second area positioned outside the first area;
the electrostatic contact layer at least comprises a plane electrostatic contact part, and the plane electrostatic contact part is arranged on the back side of the second area of the protective cover plate;
the electrostatic conducting structure is connected with the electrostatic contact layer at one end;
and the static electricity leading-out layer is arranged on the back side of the display panel body, and the other end of the static electricity conducting structure is connected with the static electricity leading-out layer.
Optionally, in some embodiments of the present application, an ink layer is disposed on a back side of the protective cover plate, and the electrostatic contact layer is disposed on a surface of the ink layer away from the display side of the protective cover plate.
Optionally, in some embodiments of the present application, an ink layer is disposed on the back side of the protective cover plate, and conductive particles are added in the ink layer to serve as the electrostatic contact layer.
Optionally, in some embodiments of the present application, the electrostatic contact layer further includes a side electrostatic contact portion, the side electrostatic contact portion is disposed on a side end surface of the protective cover plate, and the side electrostatic contact portion is connected to the planar electrostatic contact portion.
Optionally, in some embodiments of the present application, the protective cover plate further includes a protective coating layer, the protective coating layer is disposed on a surface of the display side of the protective cover plate, the protective coating layer is doped with conductive particles, and the side electrostatic contact portion is in contact with the protective coating layer.
Optionally, in some embodiments of the present application, the electrostatic contact layer is a conductive ink.
Optionally, in some embodiments of the present application, the planar electrostatic contact is disposed on the entire surface of the backside of the second region of the protective cover plate.
Optionally, in some embodiments of the present application, the side electrostatic contact portion is disposed on any side end surface of the protective cover plate.
Correspondingly, the embodiment of the application also provides a display device, which comprises the display module, and the display device also comprises a middle frame.
Optionally, in some embodiments of the present application, the method further includes: and the conductive double-sided adhesive tape is bonded between the electrostatic contact layer and the middle frame.
In the embodiment of the application, a display module assembly and a display device are provided, can go out the electrostatic discharge on the protection apron, avoid the electric charge of accumulation to shift to the display panel body through the protection apron, prevented that the display panel body from damaging, showing unusually.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic top view of a back surface of a display module according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram illustrating a top view of a back surface of a display module according to an embodiment of the disclosure;
fig. 3 is a schematic cross-sectional view illustrating a first display module according to an embodiment of the present disclosure;
fig. 4 is a schematic view illustrating a process of releasing static electricity of a display module according to an embodiment of the present disclosure;
Fig. 5 is a schematic cross-sectional view illustrating a second display module according to an embodiment of the present disclosure;
FIG. 6 is a schematic cross-sectional view illustrating a third display module according to an embodiment of the present disclosure;
FIG. 7 is a schematic cross-sectional view illustrating a fourth display module according to an embodiment of the present disclosure;
fig. 8 is a schematic cross-sectional view illustrating a fifth display module according to an embodiment of the disclosure;
fig. 9 is a schematic cross-sectional view of a sixth display module according to an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In this application, where the context requires otherwise, the words "upper" and "lower" used in relation to the device in use or operation will generally refer to the upper and lower extremities of the device, particularly as oriented in the drawing figures; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a display module assembly, include: a display panel body; the protective cover plate is arranged on the display side of the display panel body and comprises a first area overlapped with the display panel body and a second area positioned outside the first area; the electrostatic contact layer at least comprises a plane electrostatic contact part, and the plane electrostatic contact part is arranged on the back side of the second area of the protective cover plate; an electrostatic conducting structure, one end of which is connected with the electrostatic contact layer; and the static electricity leading-out layer is arranged on the back side of the display panel body, and the other end of the static electricity conducting structure is connected to the static electricity leading-out layer.
The embodiment of the application provides a display module and a display device. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
The first embodiment,
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic diagram of a top view of a back surface of a display module 10 according to an embodiment of the present disclosure, fig. 2 is a schematic diagram of a portion of the display module 10 according to the embodiment of the present disclosure, fig. 2 is an enlarged schematic diagram of a dashed line frame 50 in fig. 1, fig. 3 is a schematic diagram of a cross section of a first display module according to the embodiment of the present disclosure, and fig. 3 illustrates a cross section of a dashed line C-C in fig. 1.
The embodiment of the application provides a display module 10, and the display module 10 includes a display panel body 16, a protective cover plate 11, an electrostatic contact layer 13, an electrostatic conduction structure 19, and an electrostatic lead-out layer 18. The protective cover 11 is disposed on the display side of the display panel body 16, and the protective cover 11 includes a first region 31 overlapping with the display panel body 16, and a second region 32 located outside the first region 31; the electrostatic contact layer 13 at least comprises a planar electrostatic contact portion 131, and the planar electrostatic contact portion 131 is disposed on the back side of the second region 32 of the protective cover plate 11; one end of the electrostatic conducting structure 19 is connected to the electrostatic contact layer 13; the static electricity leading-out layer 18 is disposed on the back side of the display panel body 16, and the other end of the static electricity conducting structure 19 is connected to the static electricity leading-out layer 18.
The specific display module 10 comprises a display panel body 16, a protective cover plate 11 is arranged on one side of the display panel body 16, a static electricity leading-out layer 18 is arranged on the other side of the display panel body 16, the direction of the display panel body 16 pointing to or facing the protective cover plate 11 is a display side, the direction of the display panel body 16 pointing to or facing the static electricity leading-out layer 18 is a back side, and a user watches images of the display module 10 on the display side or on one side of the protective cover plate 11.
Specifically, the protective cover 11 is attached to the display panel body 16 through the optical adhesive 14, the optical adhesive may be optical adhesive such as OCA, OCR, etc., an area of the protective cover 11 is larger than an area of the display panel body 16, an overlapping area of the protective cover 11 and the display panel body 16 is a first area 31, and an area of the protective cover 11 exceeding the display panel body 16 is a second area 32.
Specifically, the display panel body 16 may be a liquid crystal display panel, an organic light emitting display panel, or the like, and the type of the display panel body 16 is not limited herein.
Specifically, a polarizer 15 may be further disposed between the protective cover 11 and the display panel body 16, and a composite film layer 17 may be further disposed between the display panel body 16 and the static electricity derivation layer 18. When the display panel body 16 is an organic light-emitting display panel, the composite film layer 17 may include a back plate support layer, foam, and other layer structures; when the display panel body 16 is a liquid crystal display panel, the composite film 17 may include a polarizer and other layer structures.
In some embodiments, the backside 112 of the protective cover sheet 11 is provided with the ink layer 12, and the electrostatic contact layer 13 is disposed on the surface of the ink layer 12 away from the display side 111 of the protective cover sheet 11.
Specifically, the ink layer 12 for blocking light is disposed on the back side 112 of the protective cover plate 11, and the electrostatic contact layer 13 is disposed on the surface of the ink layer 12 away from the display side 111 of the protective cover plate 11 by a coating or spraying process.
In some embodiments, the electrostatic contact layer 13 is a conductive ink. Conductive inks can be made with conductive materials such as gold, silver, copper, and carbon dispersed in a vehicle.
In particular, it is preferred that the conductive ink has a resistance of 1 x 10^ C 6 Omega is less than or equal to.
In some embodiments, referring to fig. 1, the planar electrostatic contact 131 is disposed on the entire surface of the backside 112 of the second region 32 of the protective cover 11, and can conduct all the static electricity on the surface of the backside 112 of the second region 32 of the protective cover 11 to the electrostatic conducting structure 19.
Specifically, the electrostatic conducting structure 19 may be a conductive adhesive, the conductive adhesive may be disposed at a side end of the display panel body 16 through a coating or spraying process, and the electrostatic conducting structure 19 is connected between the electrostatic guiding layers 18 of the electrostatic contact layer 13.
Specifically, the static electricity discharge layer 18 may be made of a metal material such as copper or aluminum.
Referring to fig. 3, in some embodiments, the display module 10 further includes a printed circuit board or a flexible circuit board 21, and the static electricity discharge layer 18 may be further connected to the printed circuit board or the flexible circuit board 21 through a connection structure 20. Specifically, the static electricity derivation layer 18 can also be connected to a ground signal of the printed circuit board or the flexible circuit board 21 through the connection structure 20.
Referring to fig. 4, fig. 4 is a schematic view illustrating a process of releasing static electricity of the display module 10 according to the embodiment, in which static electricity 60 in each region of the static electricity contact layer 13 is released to the static electricity lead-out layer 18 through the static electricity conducting structure 19, and further, the static electricity 60 can be released to the printed circuit board or the flexible circuit board 21 through the connecting structure 20.
In the embodiment of the present application, a display module 10 is provided, which can discharge the static electricity on the protection cover plate 11, avoid the accumulated charges from being transferred to the display panel body 16 through the protection cover plate 11, and prevent the display panel body 16 from being damaged and abnormal display.
In the embodiment of the present application, at the same time, the planar electrostatic contact 131 is disposed on the entire surface of the backside 112 of the second region 32 of the protective cover 11, so that all the static electricity on the surface of the backside 112 of the second region 32 of the protective cover 11 can be conducted to the electrostatic conducting structure 19. The static electricity can be quickly discharged from various areas on the protective cover 11.
Example II,
Referring to fig. 5, fig. 5 is a schematic cross-sectional view of a second display module 10 according to an embodiment of the present disclosure. The present embodiment is the same as or similar to the first embodiment, and the same points are not repeated, except that the ink layer 12 is disposed on the back side 112 of the protective cover 11, and conductive particles are added in the ink layer 12 to serve as the electrostatic contact layer 13.
Specifically, compared to the first embodiment, in the present embodiment, the ink layer 12 and the electrostatic contact layer 13 are disposed on the surface of the backside 112 of the protective cover plate 11 as a layer structure, and specifically, conductive particles may be added to the material of the ink layer 12, and the material of the conductive particles is not limited to conductive materials such as gold, silver, copper, and carbon.
The electrostatic contact layer 13 in the embodiment of the present application directly contacts the surface of the back side 112 of the protection cover plate 11, so that the electrostatic charge accumulated on the protection cover plate 11 can be released better or faster, the accumulated charge is prevented from being transferred to the display panel body 16 through the protection cover plate 11, and the display panel body 16 is prevented from being damaged and displaying abnormally. Meanwhile, the beneficial effects of the embodiment of the application also include that the layer structure and the manufacturing process are simplified.
Example III,
Referring to fig. 6 and 7, fig. 6 is a schematic cross-sectional view of a third display module 10 according to an embodiment of the present disclosure. Fig. 7 is a schematic cross-sectional view of a fourth display module 10 according to an embodiment of the present disclosure.
The third display module 10 in fig. 6 of the present embodiment is the same as or similar to the first display module, and the same parts are not repeated herein, except that the electrostatic contact layer 13 further includes a side electrostatic contact portion 132, the side electrostatic contact portion 132 is disposed on the side end surface 113 of the protective cover plate, and the side electrostatic contact portion 132 is connected to the planar electrostatic contact portion 131.
The fourth display module 10 in fig. 7 of the present embodiment is the same as or similar to the second embodiment, and the same parts are not repeated herein, except that the electrostatic contact layer 13 further includes a side electrostatic contact portion 132, the side electrostatic contact portion 132 is disposed on the side end surface 113 of the protective cover, and the side electrostatic contact portion 132 is connected to the planar electrostatic contact portion 131.
In some embodiments, the side electrostatic contacts 132 are disposed on either side of the protective cover 11.
Specifically, the electrostatic contact layer 13 includes a planar electrostatic contact portion 131 and a side electrostatic contact portion 132, and the side electrostatic contact portion 132 is connected to the planar electrostatic contact portion 131, or the side electrostatic contact portion 132 is formed by extending the planar electrostatic contact portion 131.
Specifically, the side electrostatic contact portion 132 may be provided on one or more side end faces of the protective cover 11.
Compared with the first embodiment and the second embodiment, the static electricity on the side end face 113 of the protective cover plate 11 can be rapidly released, and the static electricity accumulated on the protective cover plate 11 can be better released.
Examples IV,
Referring to fig. 8 and 9, fig. 8 is a schematic cross-sectional view of a fifth display module 10 according to an embodiment of the present disclosure, and fig. 9 is a schematic cross-sectional view of a sixth display module 10 according to an embodiment of the present disclosure.
The fifth display module 10 in fig. 8 of the embodiment of the present application is the same as or similar to the fifth display module of the embodiment, and the same parts are not repeated herein, except that the protective cover 11 further includes a protective coating 22, the protective coating 22 is disposed on the surface of the display side 111 of the protective cover 11, the protective coating 22 is doped with conductive particles, and the side electrostatic contact portion 132 is in contact with the protective coating 22.
The sixth display module 10 in fig. 9 of the embodiment of the present application is the same as or similar to the sixth display module of the embodiment, and the same parts are not repeated herein, except that the protective cover 11 further includes a protective coating 22, the protective coating 22 is disposed on the surface of the display side 111 of the protective cover 11, the protective coating 22 is doped with conductive particles, and the side electrostatic contact portion 132 is in contact with the protective coating 22.
Specifically, the conductive particles doped in the protective coating 22 are not limited to conductive materials such as gold, silver, copper, and carbon.
Specifically, the protective coating 22 may be an Anti-fingerprint coating (Anti-fingerprint coating), and the protective coating 22 may include a high-fluorine polymer and conductive particles.
Compared with the above embodiment, the display module 10 in this embodiment can also release static electricity on the surface of the display side 111 of the protective cover 11, and there is no need to wait for the static electricity to be transferred from the surface of the display side 111 of the protective cover 11 to the surface of the back side 112 of the protective cover 11, so that the static electricity on the protective cover 11 can be released more quickly, thereby more effectively preventing the accumulated charges from being transferred to the display panel body 16 through the protective cover 11, and preventing the display panel body 16 from being damaged and abnormal in display.
Example V,
The embodiment of the application further provides a display device, and the display device comprises any one of the display modules 10 and the middle frame in the embodiment.
In some embodiments, the display device further includes a conductive double-sided adhesive bonded between the electrostatic contact layer 13 and the middle frame to discharge the static electricity on the protective cover plate 11 to the middle frame.
The display module and the display device provided by the embodiment of the present application are described in detail above, and specific examples are applied in this document to explain the principle and the embodiment of the present application, and the description of the above embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (7)
1. A display module, comprising:
a display panel body;
the protective cover plate is arranged on the display side of the display panel body and comprises a first area overlapped with the display panel body and a second area positioned outside the first area;
The electrostatic contact layer at least comprises a plane electrostatic contact part, and the plane electrostatic contact part is arranged on the back side of the second area of the protective cover plate;
the electrostatic conducting structure is connected with the electrostatic contact layer at one end;
the static electricity leading-out layer is arranged on the back side of the display panel body, and the other end of the static electricity conducting structure is connected to the static electricity leading-out layer;
the back side of the protection cover plate is provided with an ink layer, the electrostatic contact layer is arranged on the surface, away from the display side of the protection cover plate, of the ink layer, conductive particles are added in the ink layer to serve as the electrostatic contact layer, the electrostatic contact layer further comprises a side electrostatic contact part, the side electrostatic contact part is arranged on the side end face of the protection cover plate, and the side electrostatic contact part is connected with the plane electrostatic contact part.
2. The display module of claim 1, wherein the protective cover further comprises a protective coating disposed on a surface of the protective cover on the display side, the protective coating being doped with conductive particles, the side electrostatic contact being in contact with the protective coating.
3. The display module of claim 1, wherein the electrostatic contact layer is a conductive ink.
4. The display module of claim 1, wherein the planar electrostatic contact is disposed on an entire surface of the backside of the second region of the protective cover.
5. The display module according to claim 4, wherein the side electrostatic contact portion is disposed on any side end surface of the protective cover.
6. A display device, comprising the display module according to any one of claims 1 to 5, and further comprising a middle frame.
7. The display device of claim 6, further comprising: and the conductive double-sided adhesive tape is bonded between the electrostatic contact layer and the middle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776382.7A CN113593409B (en) | 2021-07-09 | 2021-07-09 | Display module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776382.7A CN113593409B (en) | 2021-07-09 | 2021-07-09 | Display module and display device |
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| CN113593409A CN113593409A (en) | 2021-11-02 |
| CN113593409B true CN113593409B (en) | 2022-09-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114898659B (en) * | 2022-04-18 | 2023-07-28 | 华为技术有限公司 | Display module and electronic equipment |
| CN115223447B (en) * | 2022-06-27 | 2023-09-29 | 昆山国显光电有限公司 | Display panel and display device |
| CN117715330A (en) * | 2022-09-09 | 2024-03-15 | 华为技术有限公司 | Middle frame of mobile terminal, mobile terminal and preparation method of middle frame |
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| JP2019027759A (en) * | 2017-08-03 | 2019-02-21 | 東芝ライフスタイル株式会社 | refrigerator |
| WO2019205587A1 (en) * | 2018-04-25 | 2019-10-31 | 京东方科技集团股份有限公司 | Display device |
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| CN112349229A (en) * | 2020-10-27 | 2021-02-09 | 京东方科技集团股份有限公司 | Display screen lighting machine and display screen detection device |
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| JP2019027759A (en) * | 2017-08-03 | 2019-02-21 | 東芝ライフスタイル株式会社 | refrigerator |
| WO2019205587A1 (en) * | 2018-04-25 | 2019-10-31 | 京东方科技集团股份有限公司 | Display device |
| CN109064902A (en) * | 2018-09-20 | 2018-12-21 | 武汉天马微电子有限公司 | A kind of display panel and display device |
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