Dustproof, moisture-proof and light-leakage-proof vehicle-mounted display screen module

Abstract

The utility model discloses a dustproof, moisture-proof and light-leakage-proof vehicle-mounted display screen module which comprises an LENS cover plate, OCA / OCR optical cement, an FOG display screen, structural adhesive and a backlight source assembly, the LENS cover plate and the FOG display screen are attached together through the OCA / OCR optical cement, the LENS cover plate and the backlight source assembly are pasted together through the structural adhesive, after pasting, the LENS cover plate, the structural adhesive and the backlight source assembly form a closed box body, and the LENS cover plate, the structural adhesive and the backlight source assembly are arranged in the box body. The OCA / OCR optical cement and the FOG display screen are arranged in the box body, a flexible circuit board of the FOG display screen is exposed, silk-screen printing ink is arranged on the periphery of the back face of the LENS cover plate, and the structural adhesive is pasted on the back face of the silk-screen printing ink of the LENS cover plate. According to the utility model, moisture and dust are prevented, the core part FOG display screen 1 is protected from being corroded by moisture and dust, the service life is long, and the environmental tolerance is strong. The module can work under severe working conditions, foam tape commonly used by the module does not need to be used, cost is low, disassembling and reworking are convenient, automatic production is convenient, and production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile display screens, in particular to a dustproof, water-steam-proof and light-leakage-proof vehicle-mounted display screen module. Background Art

[0002] As the automobile industry develops in the direction of "electrification, technology, intelligence, networking, and sharing", vehicle-mounted displays are widely used in automobiles as an important interface for "human-vehicle interaction". As a complex electronic product, the design life of the vehicle-mounted display needs to match the life of the entire vehicle in order to meet the needs of drivers and passengers. The current design life of vehicle-mounted displays is generally 5-10 years. The important factors affecting vehicle-mounted displays are water vapor and dust. At present, the vehicle-mounted displays on the market do not have special designs for water vapor and dust resistance, and the product design life is short. In order to solve the above problems, the utility model provides a dustproof, water vapor and light leakage-proof vehicle-mounted display module solution. The water vapor and dust resistance of the vehicle-mounted display can be improved, thereby increasing its life. At the same time, the solution has a clever structure and low cost, and has high market competitiveness. Utility Model Content

[0003] In view of the problems existing in the above-mentioned prior art, the utility model provides a dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module, which realizes the water-proof, vapor-proof and dust-proof capabilities of the display screen module by improving the structure of the display screen module, thereby improving the service life of the display screen module. The structural scheme is simple, the cost is low, the production efficiency is high, and it has high market competitiveness.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a dustproof, water-vapor-proof and light-leakage-proof vehicle-mounted display screen module, including a LENS cover plate, an OCA / OCR optical glue, a FOG display screen, a structural glue, and a backlight source assembly. The LENS cover plate and the FOG display screen are bonded together by the OCA / OCR optical glue, and the LENS cover plate and the backlight source assembly are bonded together by the structural glue. After bonding, the LENS cover plate, the structural glue, and the backlight source assembly form a closed box body, the OCA / OCR optical glue and the FOG display screen are in the box body, the flexible circuit board of the FOG display screen is exposed, a silk-screen ink is set on the periphery of the back side of the LENS cover plate, and the structural glue is bonded to the back side of the silk-screen ink of the LENS cover plate.

[0005] Preferably, the central area of ​​the LENS cover is the window VA area, and the size of the OCA / OCR optical glue is larger than the window VA area of ​​the LENS cover.

[0006] Preferably, the OCA / OCR optical adhesive is adhered to the glass plate of the FOG display screen, and the adhesion is aligned with the center of the window VA area.

[0007] Preferably, the structural adhesive is made of opaque material, and the structural adhesive application should be completely sealed.

[0008] Preferably, the structural adhesive is adhered to the Teflon tape on the flexible circuit board.

[0009] Preferably, the backlight source assembly is provided with an outlet for the flexible circuit board.

[0010] Preferably, the backlight source assembly is provided with a via hole of the flexible circuit board, and the via hole is sealed with a light-shielding tape.

[0011] In summary, the utility model provides a dustproof, water-proof, and light-leakage-proof vehicle display screen module, which is composed of a LENS cover, an OCA / OCR optical glue, a FOG display screen, a structural glue, and a backlight source group. The module is sealed and waterproof, water-proof, and dust-proof by the structural glue. The FOG display screen in the module has a flexible circuit board (FPC) with Teflon tape attached thereto. The backlight source assembly must be sealed, and the outlet of the flexible circuit board must be sealed with a light-shielding tape.

[0012] The utility model is waterproof, vapor-proof and dust-proof, protects the core part FOG display screen 1 from being corroded by vapor and dust, has a long service life and strong environmental tolerance, can work under harsh working conditions, does not need to use the foam tape commonly used in modules, has low cost, is convenient for disassembly and rework, is convenient for automated production, and has high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of the dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module of the utility model;

[0014] Figure 2 It is a schematic diagram of the back side of the dustproof, water-vapor-proof and light-leakage-proof vehicle display screen module of the utility model;

[0015] Figure 3 It is an exploded structural diagram of the utility model;

[0016] Figure 4 This is a schematic diagram of the LENS cover structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the FOG display screen (back side) of the utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the backlight source assembly of the utility model;

[0019] In the figure: LENS cover 1, OCA / OCR optical glue 2, FOG display screen 3, structural glue 4, backlight assembly 5, window VA area 1-1, silk screen ink 1-2, glass plate 3-1, FOG flexible circuit board 3-2, outlet 5-1, backlight flexible circuit board 5-2, shading tape 5-3. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 6 As shown:

[0022] The utility model is as follows Figure 1 As shown, a dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module includes: a LENS cover 1, an OCA / OCR optical glue 2, a FOG display screen 3, a structural glue 4, and a backlight assembly 5. The LENS cover 1 and the FOG display screen 3 are bonded together by the OCA / OCR optical glue 2. The back of the LENS cover 1 and the backlight assembly 5 are bonded together by the structural glue 4. After bonding, the LENS cover 1, the structural glue 4, and the backlight assembly 5 form a closed box body. The OCA / OCR optical glue 2 and the FOG display screen 3 are inside the box body. The flexible circuit board (FPC) 3-2 of the FOG display screen 3 is exposed.

[0023] Among them, Figure 4 , the LENS cover plate 1 is provided with a silk screen ink 1-2, and the central area is the display window VA area 1-1. The size of the OCA / OCR optical glue 2 must be larger than the window VA area 1-1 of the LENS cover plate 1. The OCA / OCR optical glue 2 is pasted to the glass plate 3-1 of the FOG display screen 3. The pasting is aligned with the window area. The structural glue 4 is pasted on the back of the silk screen ink 1-2 of the LENS cover plate (glass cover plate) 1 and should not be exposed. The structural glue 4 is made of opaque material, and the application of the structural glue 4 should be completely closed. The structural glue 4 is pasted to the Teflon tape 3-3 on the flexible circuit board (FPC) 3-2 of the FOG display screen 3. The backlight source assembly 5 has a complete structure without through holes. The backlight source assembly 5 is provided with an outlet 5-1 of the flexible circuit board (FPC) 3-2 of the FOG display screen 3, and the backlight source assembly 5 is provided with a through hole of the backlight flexible circuit board (FPC) 5-2, and the through hole is blocked with a light-shielding tape 5-3. After assembly, the LENS cover plate 1, the structural adhesive 4, and the backlight source assembly 5 should be complete and sealed.

[0024] The embodiments of the present invention are only used to illustrate the present invention and do not constitute a limitation on the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module, characterized in that: The invention comprises a LENS cover plate (1), an OCA / OCR optical glue (2), a FOG display screen (3), a structural glue (4), and a backlight source assembly (5). The LENS cover plate (1) and the FOG display screen (3) are bonded together by the OCA / OCR optical glue (2), and the LENS cover plate (1) and the backlight source assembly (5) are bonded together by the structural glue (4). After bonding, the LENS cover plate (1), the structural glue (4), and the backlight source assembly (5) form a closed box body. The OCA / OCR optical glue (2) and the FOG display screen (3) are inside the box body, and the flexible circuit board (3-2) of the FOG display screen (3) is exposed. Silk-screen ink (1-2) is arranged on the periphery of the back side of the LENS cover plate (1), and the structural glue (4) is bonded to the back side of the silk-screen ink (1-2) of the LENS cover plate (1).

2. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The central area of ​​the LENS cover plate (1) is a window VA area (1-1), and the size of the OCA / OCR optical adhesive (2) is larger than the window VA area (1-1) of the LENS cover plate (1).

3. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The OCA / OCR optical glue (2) is adhered to the glass plate (3-1) of the FOG display screen (3), and the adhesion is aligned with the window VA area (1-1).

4. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The structural adhesive (4) is made of opaque material, and the application of the structural adhesive (4) should be completely sealed.

5. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The structural adhesive (4) is adhered to the Teflon tape (3-3) on the flexible circuit board (3-2).

6. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The backlight source assembly (5) is provided with an outlet (5-1) of the flexible circuit board (3-2).

7. The dustproof, water-proof, vapor-proof and light-leakage-proof vehicle display screen module according to claim 1, characterized in that: The backlight source assembly (5) is provided with a via hole of the backlight source flexible circuit board (5-2), and the via hole is blocked with a light shielding tape (5-3).

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