CN217739678U - Backlight module, display module and electronic equipment - Google Patents
Backlight module, display module and electronic equipment Download PDFInfo
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- CN217739678U CN217739678U CN202221574912.6U CN202221574912U CN217739678U CN 217739678 U CN217739678 U CN 217739678U CN 202221574912 U CN202221574912 U CN 202221574912U CN 217739678 U CN217739678 U CN 217739678U
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Abstract
The utility model discloses a backlight module, a display module and an electronic device, wherein, the backlight module comprises a shading film; the bright enhancement film at least partially covers the shading film; a diffusion film at least partially covering the light shielding film; a light guide plate covering the brightness enhancement film and the diffusion film; the backlight source is arranged at the bottom of the light guide plate; the rubber frame fixes the shading film, the brightness enhancement film, the diffusion film, the light guide plate and the backlight source; the reflecting film is adhered to the rubber frame through the adhesive layer, and the adhering part of the reflecting film and the rubber frame is far away from the backlight source. The utility model discloses to glue the part that frame and reflectance coating pasted and shorten and keep away from the backlight setting, both guaranteed that the reflectance coating can with glue the frame and stabilize the bonding, also can let the glue film keep away from the backlight, make static can't directly conduct the backlight, effectual protection backlight unit, extension display module's life.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a backlight module, display module assembly and electronic equipment.
Background
Since the lcd cannot emit light independently, the backlight module is needed to provide brightness, and thus the backlight module is particularly important. As shown in fig. 1, a glue frame 10' and a silver reflective film 20' of the conventional backlight module are adhered by a glue layer 30', when static electricity at the bottom is released, the static electricity is easily conducted into the backlight module through the silver reflective film 20', and the backlight source 40' is easily damaged by the static electricity because the silver reflective film 20' is very close to the backlight source 40 '.
In view of the above, it is desirable to improve the conventional backlight module to prevent the backlight from being damaged by static electricity during the discharge of static electricity.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a backlight module, display module assembly and electronic equipment for among the solution prior art, static damages the problem of backlight through silver reflectance coating easily during electrostatic discharge.
In order to solve the above problem, the utility model adopts the following technical scheme:
a backlight module is provided, which comprises,
a light shielding film;
a bright enhancement film at least partially covering the light shielding film;
a diffusion film at least partially covering the light-shielding film;
a light guide plate covering the brightness enhancement film and the diffusion film;
the backlight source is arranged at the bottom of the light guide plate;
the rubber frame fixes the shading film, the brightness enhancement film, the diffusion film, the light guide plate and the backlight source;
the reflecting film is adhered to the rubber frame through a rubber layer, and the reflecting film is far away from the backlight source through the adhering part of the rubber frame.
In the above scheme, the lower frame of the rubber frame is arranged below the backlight source.
In the scheme, the glue layer is positioned at the bottom of the lower frame and occupies 1/2-2/3 of the width of the lower frame.
In the above scheme, the lower frame of the rubber frame is provided with a groove, and the rubber layer is arranged in the groove.
In the above scheme, the glue layer is formed by covering the reflecting film with a non-conductive adhesive material and/or the glue frame.
In the above scheme, the reflective film is a silver reflective film.
In the above aspect, the backlight includes an LED.
In the above scheme, the backlight module further comprises a flexible circuit board, and the backlight source is fixed on the flexible circuit board.
The utility model also provides a display module assembly, including any one of the above-mentioned scheme backlight unit, still include display panel, with backlight unit stacks up the setting, backlight unit does display panel provides luminance.
The utility model also provides an electronic equipment, including any one of the above-mentioned scheme backlight unit, and/or the electronic equipment in the above-mentioned scheme.
The utility model discloses a technical scheme can reach following beneficial effect:
the backlight setting is shortened and is kept away from to the part that will glue frame and reflectance coating paste, has both guaranteed that the reflectance coating can bond with gluing the frame is stable, also can let the glue film keep away from the backlight, makes the unable direct conduction of static backlight, effectual protection backlight unit, extension display module's life.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof of the present invention explain the present invention and do not form an improper limitation to the present invention. In the drawings:
FIG. 1 is a schematic structural diagram of a backlight module in the prior art;
fig. 2 is a schematic structural view of a backlight module disclosed in embodiment 1 of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic partial structure diagram of another preferred embodiment of the backlight module disclosed in example 1 of the present invention.
The following reference numerals are included:
the prior art rubber frame-10'; silver reflective film-20' in the prior art; glue line-30' in the prior art; prior art backlight-40'; a shading film-10; bright enhancement film-20; a diffusion film-30; a light guide plate-40; a backlight-50; glue frame-60; a reflective film-70; glue layer-80; a flexible circuit board 90.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
As shown in fig. 2-4, the backlight module provided by the present invention comprises,
a light shielding film 10; a bright enhancement film 20 at least partially covering the light shielding film 10; a diffusion film 30 at least partially covering the light-shielding film 10; a light guide plate 40 covering the brightness enhancement film 20 and the diffusion film 30; a backlight 50 disposed at the bottom of the light guide plate 40; a rubber frame 60 for fixing the light shielding film 10, the brightness enhancement film 20, the diffusion film 30, the light guide plate 40 and the backlight source 50; the reflective film 70 is adhered to the rubber frame 60 through a rubber layer 80, and the adhered portion of the reflective film 70 and the rubber frame 60 is far away from the backlight source 50.
The utility model discloses to glue the part that frame 60 and reflectance coating 70 pasted and shorten and keep away from backlight 50 setting, both guaranteed reflectance coating 70 can with glue frame 60 and stably bond, also can let glue film 80 keep away from backlight 50, make static can't directly conduct backlight 50, effectual protection backlight unit.
The lower frame of the rubber frame 60 is disposed below the backlight 50. Therefore, if the attached portions of the reflection film 70 and the bezel 60 are close to the backlight 50 at the time of static electricity discharge, static electricity is easily conducted to the backlight.
Preferably, the glue layer 80 is located at the bottom of the lower frame and occupies 1/2 to 2/3 of the width of the lower frame. The adhered portion of the reflective film 70 and the rubber frame 60 is spaced from the backlight source 50 by a sufficient distance, so that static electricity cannot be directly conducted to the backlight source 50, and the adhering width of the reflective film 70 and the rubber frame 60 is not too narrow, thereby ensuring that the reflective film 70 can be stably adhered to the rubber frame 60.
In another preferred embodiment, the lower frame of the glue frame 60 is provided with a groove, and the glue layer 80 is disposed in the groove. The adhesive layer 80 is adhered to the reflective film 70 as a part of the adhesive frame 60, and no gap is formed between the adhesive frame 60 and the reflective film 70, thereby more effectively preventing static electricity from being introduced into the backlight source 50.
Preferably, the glue layer 80 is formed by covering the reflective film 70 and/or the glue frame 60 with a non-conductive adhesive material, such as: 3M9448 and 3M9080A. The adhesive layer 80 is prevented from being conductive, and the backlight source 50 can be more effectively protected.
In the present embodiment, the reflective film 70 is preferably a silver reflective film. The reflectivity is high.
The utility model provides a backlight unit still includes flexible circuit board 90, and backlight 50 is fixed on flexible circuit board 90. The flexible circuit board 90 is provided with a circuit and supplies power to the backlight source 50.
Example 2
The utility model also provides a display module assembly, including the backlight unit in embodiment 1, still include display panel, with the range upon range of setting of backlight unit, backlight unit provides luminance for display panel. Backlight unit shortens and keeps away from backlight 50 setting with the part that glues frame 60 and reflective film 70 and paste, has both guaranteed that reflective film 70 can bond with gluing frame 60 is stable, also can let glue film 80 keep away from backlight 50, makes static can't directly conduct backlight 50, and effectual protection backlight unit makes backlight unit can be more reliable for display panel provides luminance, extension display module's life.
Example 3
The utility model also provides an electronic equipment, including the backlight unit in embodiment 1, and/or the electronic equipment in embodiment 2. Backlight unit can be more reliable for display panel provides luminance, prolongs display module's life, has improved user's experience and has felt.
The utility model discloses to glue the part that frame and reflectance coating pasted and shorten and keep away from the backlight setting, both guaranteed that the reflectance coating can with glue the frame and stabilize the bonding, also can let the glue film keep away from the backlight, make static can't directly conduct the backlight, effectual protection backlight unit, extension display module's life.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A backlight module is characterized by comprising,
a light shielding film;
a light-adding film at least partially covering the light-shielding film;
a diffusion film at least partially covering the light-shielding film;
a light guide plate covering the brightness enhancement film and the diffusion film;
the backlight source is arranged at the bottom of the light guide plate;
the rubber frame fixes the shading film, the brightness enhancement film, the diffusion film, the light guide plate and the backlight source;
the reflecting film is adhered to the rubber frame through a rubber layer, and the reflecting film is far away from the backlight source through the adhering part of the rubber frame.
2. The backlight module as claimed in claim 1, wherein the lower frame of the adhesive frame is disposed below the backlight source.
3. The backlight module according to claim 2, wherein the adhesive layer is located at the bottom of the lower frame and occupies 1/2 to 2/3 of the width of the lower frame.
4. The backlight module according to claim 1, wherein the lower frame of the adhesive frame is provided with a groove, and the adhesive layer is disposed in the groove.
5. A backlight module according to claim 1, wherein the adhesive layer is formed by a non-conductive adhesive material covering the reflective film and/or the adhesive frame.
6. A backlight module according to claim 1, wherein the reflective film is a silver reflective film.
7. The backlight module according to claim 1, wherein the backlight source comprises LEDs.
8. The backlight module according to claim 1, further comprising a flexible circuit board, wherein the backlight source is fixed on the flexible circuit board.
9. A display module comprising the backlight module as claimed in any one of claims 1 to 8, and further comprising a display panel stacked on the backlight module, wherein the backlight module provides brightness for the display panel.
10. An electronic device, comprising the backlight module of any one of claims 1-8 and/or the display module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574912.6U CN217739678U (en) | 2022-06-22 | 2022-06-22 | Backlight module, display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574912.6U CN217739678U (en) | 2022-06-22 | 2022-06-22 | Backlight module, display module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217739678U true CN217739678U (en) | 2022-11-04 |
Family
ID=83842276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221574912.6U Active CN217739678U (en) | 2022-06-22 | 2022-06-22 | Backlight module, display module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217739678U (en) |
-
2022
- 2022-06-22 CN CN202221574912.6U patent/CN217739678U/en active Active
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