CN210090876U - Display module - Google Patents
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- CN210090876U CN210090876U CN201920806900.3U CN201920806900U CN210090876U CN 210090876 U CN210090876 U CN 210090876U CN 201920806900 U CN201920806900 U CN 201920806900U CN 210090876 U CN210090876 U CN 210090876U
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- display module
- cover plate
- backlight
- sealing structure
- circuit board
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Abstract
The embodiment of the application discloses a display module assembly, through the flexible circuit board with the apron orientation set up first packaging structure between the surface of backlight box the flexible circuit board with the lateral wall orientation of backlight box set up second packaging structure between the surface of apron, can seal the lid gap completely, isolated outside steam and dust etc. get into the inside of display module assembly to display module assembly's dustproof, waterproof ability such as have been improved, and then improved display module assembly's reliability.
Description
Technical Field
The application relates to the technical field of vehicle-mounted display, in particular to a vehicle-mounted display module.
Background
With the development of display panel technology and automobile technology, a Low Temperature Poly-silicon (LTPS) display module is widely applied to the field of automobiles due to the characteristic of a narrow frame, and thus, the requirement for the reliability of the LTPS display module is higher and higher.
In current on-vehicle LTPS display module assembly, display module assembly's apron bonds fixedly through fixed sticky tape and module, however fixed sticky tape edge exists the gap, and inside steam, dust etc. got into display module assembly from the gap easily to influence display module assembly's reliability.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a display module assembly, can improve display module assembly's reliability.
The embodiment of the application provides a display module assembly, include:
the backlight box comprises a bottom wall and a side wall, and an accommodating space is defined by the bottom wall and the side wall;
the backlight module is accommodated in the accommodating space;
the bracket is arranged in the backlight box and arranged at the side part of the backlight module;
the display panel is arranged on the bracket;
the cover plate is covered with the display panel, and a gap is formed between the surface of the cover plate facing the backlight box and the surface of the side wall of the backlight box facing the cover plate;
the flexible circuit board penetrates through the gap and is electrically connected with the display panel; and
the backlight box comprises a flexible circuit board, a cover plate, a first sealing structure and a second sealing structure, wherein the first sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the backlight box, and the second sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the side wall of the backlight box.
In the display module assembly that this application embodiment provided, the first seal structure is close to one side of flexible circuit board and is close to the apron is towards one side of the surface of backlight box has viscidity.
In the display module assembly that this application embodiment provided, the second seal structure is close to one side of flexible circuit board and is close to the lateral wall of backlight box is towards one side of the surface of apron has viscidity.
In the display module provided by the embodiment of the application, the bracket comprises a first supporting part and a second supporting part;
the first supporting part is inserted into the accommodating space and abuts against the bottom wall;
the second supporting portion is arranged on one side, away from the bottom wall, of the first supporting portion and extends towards the direction of the display panel.
In the display module assembly provided by the embodiment of the application, a fixing adhesive tape is arranged between the second supporting part and the display panel.
In the display module provided by the embodiment of the application, the display panel comprises a lower polarizer, a thin film transistor, a liquid crystal layer, a color film substrate and an upper polarizer which are sequentially stacked from bottom to top;
the flexible circuit board is electrically connected with the thin film transistor.
In the display module provided by the embodiment of the application, the second sealing structure has elasticity, and the thickness of the second sealing structure is greater than or equal to the sum of the thickness of the fixing adhesive tape, the thickness of the lower polarizer and the thickness of the thin film transistor.
In the display module assembly that this application embodiment provided display panel with be provided with an optical cement between the apron.
In the display module provided by the embodiment of the application, the first sealing structure has elasticity, and the thickness of the first sealing structure is greater than or equal to the sum of the thickness of the color film substrate, the thickness of the liquid crystal layer, the thickness of the upper polarizer and the thickness of the optical cement.
In the display module provided by the embodiment of the application, the backlight module is attached to the bottom wall of the backlight box;
a gap is formed between the backlight module and the bracket.
The display module comprises a backlight box, wherein the backlight box comprises a bottom wall and a side wall, and an accommodating space is formed by the bottom wall and the side wall in an enclosing manner; the backlight module is accommodated in the accommodating space; the bracket is arranged in the backlight box and arranged at the side part of the backlight module; the display panel is arranged on the bracket; the cover plate is covered with the display panel, and a gap is formed between the surface of the cover plate facing the backlight box and the surface of the side wall of the backlight box facing the cover plate; the flexible circuit board penetrates through the gap and is electrically connected with the display panel; and the first sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the backlight box, and the second sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the side wall of the backlight box. This scheme is through flexible circuit board with the apron orientation set up first packaging structure between the surface of backlight box flexible circuit board with the lateral wall orientation of backlight box sets up second packaging structure between the surface of apron, can seal the lid gap completely, has completely cut off inside that external steam and dust etc. got into display module assembly to display module assembly's dustproof, waterproof ability such as have been improved, and then have improved display module assembly's reliability.
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 structural diagram of a display module according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a backlight module according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present application.
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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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.
The embodiment of the application provides a display module, which will be described in detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure. The display module 1 may include: the backlight box 10, the backlight module 20, the bracket 30, the display panel 40, the cover plate 50, the flexible circuit board 60, the first sealing structure 91 and the second sealing structure 92. It should be noted that the display module 1 includes, but is not limited to, the above components, and the display module 10 may also include other components, such as a control chip.
The backlight box 10 may include a bottom wall 101 and a side wall 102, among others. The bottom wall 101 and the side wall 102 may enclose a receiving space 103. The bottom wall 101 may be used for placing the backlight module 20 and the bracket 30.
The backlight module 20 can be accommodated in the accommodating space 103 and can be used for providing a light source for the display panel 40. The backlight module 20 is attached to the bottom wall 101 of the backlight box 10. Referring to fig. 2, the backlight module 20 may include a reflective sheet 201, a light guide plate 202 and a brightness enhancement film 203, which are stacked from bottom to top. The brightness enhancement film 203 may include a lower diffuser 2031, a lower brightness enhancement film 2032, an upper brightness enhancement film 2033, and an upper diffuser 2034 stacked in that order from bottom to top. The specific functions of the reflective sheet 201, the light guide plate 202 and the brightness enhancement film 203 are common knowledge and will not be described in detail.
The bracket 30 is disposed inside the backlight box 10, and the bracket 30 is disposed at a side portion of the backlight module 20, and the bracket 30 can be used for placing the display panel 40. The bracket 30 may include a first supporting portion 301 and a second supporting portion 302, wherein the first supporting portion 301 is inserted into the receiving space 103 and abuts against the bottom wall 101 of the backlight box 10 for supporting the second supporting portion 302. Preferably, the supporting portion 301 is disposed in parallel with the side wall 102 of the backlight box 10. The second supporting portion 302 is disposed on a side of the first supporting portion 301 away from the bottom wall 101 of the backlight box 10, extends toward the display panel 20, and can be used for placing the display panel 40. The second support portion 302 and the first support portion 301 are disposed perpendicular to each other.
In some embodiments, a snap structure may be respectively disposed on the bottom wall 101 of the backlight box 10 and the first supporting structure 301 of the bracket 30, and the first supporting structure 301 and the bottom wall 101 are snap-fixed by the snap structure. A fixing tape may be further added between the first supporting structure 301 and the bottom wall 101, and the first supporting structure 301 and the bottom wall 101 are fixedly connected by the fixing tape.
It should be noted that, since the brightness enhancing film 203 expands during the light-reinforcing operation, in order to prevent the brightness enhancing film 203 from being damaged by being pressed by the holder 30 during the expansion. Therefore, a buffer space needs to be reserved between the backlight module 20 and the bracket 30. Specifically, a gap 21 may be provided between the backlight module 20 and the backlight box 10 as a buffer space.
The display panel 40 is disposed on the stand 30. The display panel 40 is placed on the second support 302. The display panel 40 may be used to display an image. In some embodiments, the display panel 40 may be fixedly connected to the second supporting portion 302 of the bracket 30 by a fixing tape 70.
The cover plate 50 covers the display panel 40. The cover plate 50 may serve to protect the display panel 40. In some embodiments, the cover plate 50 may be fixedly connected to the display panel 40 by an optical adhesive 80. There is a gap 90 between the surface of the cover plate 50 facing the backlight box 10 and the surface of the side wall 102 of the backlight 10 facing the cover plate 50.
The flexible circuit board 60 is electrically connected to the display panel 40 through the gap 90. The flexible circuit board 60 may be used to provide display power to the display panel 40. Referring to fig. 3, the display panel 40 may include a lower polarizer 401, a thin film transistor 402, a liquid crystal layer 403, a color filter substrate 404, and an upper polarizer 405 stacked in sequence from bottom to top. It should be noted that the flexible circuit board 60, the thin film transistor 402 and the display panel 40 are electrically connected.
External steam and dust can get into display module assembly 1's inside through gap 90, influence display module assembly 1's operational reliability.
In contrast, in order to prevent external moisture, dust, and the like from entering the display module 1 through the gap 90. In the embodiment of the present application, the first encapsulation structure 91 is disposed between the flexible circuit board 60 and the surface of the cover plate 50 facing the backlight box 10, and the second encapsulation structure 92 is disposed between the flexible circuit board 60 and the surface of the side wall 102 of the backlight box 10 facing the cover plate 50 to seal the gap 90. Prevent external steam and dust from entering the inside of the display module 1 through the gap 90.
The side of the first sealing structure 91 close to the flexible circuit board 60 and the side close to the surface of the cover plate 50 facing the backlight box 10 have viscosity, so that the first sealing structure 91 can adhere to the side of the first sealing structure 91 close to the flexible circuit board 60 and the side close to the surface of the cover plate 50 facing the backlight box 10, and is not easy to fall off, and the stability of the first sealing structure 91 is improved. The side of the second sealing structure 92 close to the flexible circuit board 60 and the side close to the surface of the side wall 102 of the backlight box 10 facing the cover plate 50 have viscosity, so that the second sealing structure 92 can adhere to the side of the second sealing structure 92 close to the flexible circuit board 60 and the side close to the surface of the side wall 102 of the backlight box 10 facing the cover plate 50, and is not easy to fall off, and the stability of the second sealing structure 92 is improved.
In some embodiments, to increase the sealing properties of the first and second sealing structures 91 and 92, the first and second sealing structures 91 and 92 may be made of a material having elasticity. Such as sealing foam, etc.
As understood from the above-described embodiments, the first sealing structure 91 is provided between the flexible circuit board 60 and the surface of the cover plate 50 facing the backlight box 10. The second sealing structure 92 is disposed between the flexible circuit board 60 and a surface of the sidewall 102 of the backlight box 10 facing the cover plate 50. And the flexible circuit board 60 is electrically connected to the thin film transistor 402 of the display panel 40.
In contrast, since the first sealing structure 91 and the second sealing structure 92 have scalability, the thickness of the first sealing structure 91 may be set to be greater than or equal to the sum of the thickness of the color film substrate 403, the thickness of the liquid crystal layer 404, the thickness of the upper polarizer 405, and the thickness of the optical adhesive 80. The thickness of the second sealing structure 92 is set to be greater than or equal to the sum of the thickness of the fixing tape 70, the thickness of the lower polarizer 401, and the thickness of the thin film transistor 402.
In a specific implementation, the first and second sealing structures 91 and 92 may be disposed in a compressed state between the surfaces of the flexible circuit board 60 and the cover plate 50 facing the backlight box 10 and between the surfaces of the flexible circuit board 60 and the side wall 102 of the backlight box 10 facing the cover plate 50, respectively, by applying an external force. At this time, the external force is removed, the first sealing structure 91 and the second sealing structure 91 are expanded, the first sealing structure 91 completely fills the gap between the flexible circuit board 60 and the surface of the cover plate 50 facing the backlight box 10, and the second sealing structure 92 completely fills the gap between the flexible circuit board 60 and the surface of the sidewall 102 of the backlight box 10 facing the cover plate 50.
This scheme is through setting up first packaging structure 91 between the surface at flexible circuit board 60 and apron 50 towards backlight box 10, set up second packaging structure 92 between the surface of lateral wall 102 towards apron 50 at flexible circuit board 60 and backlight box 10, can seal totally lid gap 90, isolated the inside that gets into display module assembly 1 such as external steam and dust to display module assembly 1's dustproof, waterproof ability such as have been improved, and then display module assembly 1's reliability has been improved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display module provided by the embodiment of the present application is described in detail above, and a specific example is applied to explain the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display module, comprising:
the backlight box comprises a bottom wall and a side wall, and an accommodating space is defined by the bottom wall and the side wall;
the backlight module is accommodated in the accommodating space;
the bracket is arranged in the backlight box and arranged at the side part of the backlight module;
the display panel is arranged on the bracket;
the cover plate is covered with the display panel, and a gap is formed between the surface of the cover plate facing the backlight box and the surface of the side wall of the backlight box facing the cover plate;
the flexible circuit board penetrates through the gap and is electrically connected with the display panel; and
the backlight box comprises a flexible circuit board, a cover plate, a first sealing structure and a second sealing structure, wherein the first sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the backlight box, and the second sealing structure is arranged between the flexible circuit board and the surface of the cover plate facing the side wall of the backlight box.
2. The display module of claim 1, wherein a side of the first sealing structure adjacent to the flexible circuit board and a side of the cover plate adjacent to a surface of the cover plate facing the backlight box have adhesiveness.
3. The display module according to claim 1, wherein a side of the second sealing structure adjacent to the flexible circuit board and a side of the side wall of the backlight box facing the surface of the cover plate have adhesiveness.
4. The display module of claim 1, wherein the bracket comprises a first support and a second support;
the first supporting part is inserted into the accommodating space and abuts against the bottom wall;
the second supporting portion is arranged on one side, far away from the bottom wall, of the first supporting portion and extends towards the direction of the display panel.
5. The display module according to claim 4, wherein a fixing tape is disposed between the second supporting portion and the display panel.
6. The display module as claimed in claim 5, wherein the display panel comprises a lower polarizer, a thin film transistor, a liquid crystal layer, a color film substrate and an upper polarizer which are sequentially stacked from bottom to top;
the flexible circuit board is electrically connected with the thin film transistor.
7. The display module of claim 6, wherein the second sealing structure is flexible, and a thickness of the second sealing structure is greater than or equal to a sum of a thickness of the fixing tape, a thickness of the bottom polarizer and a thickness of the thin film transistor.
8. The display module of claim 6, wherein an optical adhesive is disposed between the display panel and the cover plate.
9. The display module according to claim 8, wherein the first sealing structure has elasticity, and a thickness of the first sealing structure is greater than or equal to a sum of a thickness of the color film substrate, a thickness of the liquid crystal layer, a thickness of the upper polarizer, and a thickness of the optical adhesive.
10. The display module according to claim 4, wherein the backlight module is attached to the bottom wall of the backlight box;
a gap is formed between the backlight module and the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806900.3U CN210090876U (en) | 2019-05-30 | 2019-05-30 | Display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806900.3U CN210090876U (en) | 2019-05-30 | 2019-05-30 | Display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090876U true CN210090876U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920806900.3U Active CN210090876U (en) | 2019-05-30 | 2019-05-30 | Display module |
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| Country | Link |
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| CN (1) | CN210090876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174801A (en) * | 2019-05-30 | 2019-08-27 | 武汉华星光电技术有限公司 | Display module |
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2019
- 2019-05-30 CN CN201920806900.3U patent/CN210090876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174801A (en) * | 2019-05-30 | 2019-08-27 | 武汉华星光电技术有限公司 | Display module |
| CN110174801B (en) * | 2019-05-30 | 2024-03-26 | 武汉华星光电技术有限公司 | Display module |
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