CN216310482U

CN216310482U - Anti-static backlight source and display module

Info

Publication number: CN216310482U
Application number: CN202123133118.6U
Authority: CN
Inventors: 周旋; 吕振娥
Original assignee: Shenzhen Hengxin Electronic Technology Co ltd
Current assignee: Shenzhen Hengxin Electronic Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-15
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of backlight sources, and discloses an anti-static backlight source and a display module, which comprise an upper frame body, wherein the bottom of the upper frame body is provided with a lower frame body, and a backlight body is connected between the upper frame body and the lower frame body, a metal back plate is fixed at the bottom of the lower frame body, and a conductive film is connected between the lower frame body and the outer side of the upper frame body, a first silica gel pad is arranged on the inner wall of the upper frame body, the inner wall of the lower frame body is connected with a second silica gel pad, the utility model adopts the matching of the first silica gel pad and the second silica gel pad, can lead the backlight body to be more compact and firm when being installed, can effectively buffer and absorb shock, prevents the backlight body from being damaged, meanwhile, the light transmission amount is increased by the zirconium dioxide film and the reduction or elimination of reflected light, and the static electricity on the backlight source body can be further conducted to the metal back plate through the graphite plate, so that the protection effect is greatly improved.

Description

Anti-static backlight source and display module

Technical Field

The utility model belongs to the technical field of backlight sources, and particularly relates to an anti-static backlight source and a display module.

Background

The backlight source is a light source positioned at the back of a Liquid Crystal Display (LCD), the luminous effect of the backlight source directly influences the visual effect of a liquid crystal display module, the liquid crystal display does not emit light and displays figures or the result of light modulation, the backlight source mainly comprises a light source, a light guide plate, an optical die sheet and a structural component, and the most core technology in the light source module is the optical technology of the light guide plate.

In chinese patent No. CN201821315427.0, an antistatic backlight and a display module are disclosed, the utility model discloses a through setting up the conductive film, the conductive film can conduct the generated static electricity to the metal back plate for grounding treatment, thereby preventing the electrostatic breakdown device, but the device still has more defects when using, for example, the protective effect of backlight is poor, easily takes place vibrations and damages, and vibrations lead to the framework not hard up easily, cause the upper and lower frame body to connect unstably, thereby produce the condition of side light leak.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-static backlight source and a display module, which are used for solving the problems that the protection effect of the backlight source provided by the background technology is poor and the connection of an upper frame body and a lower frame body is unstable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an prevent static backlight and display module assembly, includes the framework, the framework is installed down to the bottom of going up the framework, and goes up the framework and be connected with the backlight body down between the framework, the bottom of framework is fixed with the metal backplate down, and is connected with the conducting film down between the outside of framework and last framework, first silica gel pad is installed to the inner wall of going up the framework, the inner wall of framework is connected with the second silica gel pad down, the zirconium dioxide membrane is installed at the top of backlight body, and is connected with the graphite cake between backlight body and the metal backplate.

Preferably, a clamping ring is installed in the middle of the bottom of the upper frame body, a positioning column is fixed to the side edge of the bottom of the upper frame body, a clamping groove matched with the clamping ring is formed in the top of the lower frame body, a positioning hole is formed in the side edge of the top of the lower frame body, and the positioning hole is matched with the positioning column.

Preferably, a light shielding tape is mounted on the top of the upper frame, and one end of the light shielding tape is connected to the conductive film.

Preferably, the side walls of the upper frame body and the lower frame body are both provided with grooves, and the inner walls of the grooves are provided with arc chamfers.

Preferably, the inner wall of the clamping groove is provided with a sealing gasket, and the outer wall of the sealing gasket is provided with an anti-slip groove.

A display module comprises the antistatic backlight source.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, through the matching of the first silica gel pad and the second silica gel pad, the backlight source body can be more compact and firm when being installed, the buffering and shock absorption can be effectively carried out, the backlight source body is prevented from being damaged, meanwhile, the light transmission quantity is increased through the zirconium dioxide film and the reduction or elimination of reflected light, and the static electricity on the backlight source body can be further conducted to the metal back plate through the graphite plate, so that the protection effect is greatly improved.

(2) According to the utility model, the upper frame body and the lower frame body can be combined together more tightly through the matching of the clamping ring and the clamping groove, and meanwhile, the connection strength between the upper frame body and the lower frame body can be further enhanced through the matching of the positioning column and the positioning hole, so that the upper frame body and the lower frame body are not easy to loosen and separate, the stability is strong, and the side light leakage condition is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the upper frame and the lower frame of the present invention when they are connected;

in the figure: 1. an upper frame body; 2. a conductive film; 3. a lower frame body; 4. a groove; 5. a metal back plate; 6. a light-shielding tape; 7. a zirconium dioxide film; 8. a first silica gel pad; 9. a second silica gel pad; 10. a graphite plate; 11. a backlight source body; 12. a gasket; 13. a snap ring; 14. a card slot; 15. positioning holes; 16. and a positioning column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an prevent static backlight and display module assembly, including last framework 1, framework 3 down is installed to the bottom of going up framework 1, and be connected with backlight body 11 between going up framework 1 and the framework 3 down, the bottom of framework 3 is fixed with metal backplate 5 down, and be connected with conducting film 2 between the outside of framework 3 and last framework 1 down, first silica gel pad 8 is installed to the inner wall of going up framework 1, the inner wall of framework 3 down is connected with second silica gel pad 9, zirconium dioxide membrane 7 is installed at the top of backlight body 11, and be connected with graphite plate 10 between backlight body 11 and the metal backplate 5.

Specifically, the first silica gel pad 8 and the second silica gel pad 9 are respectively arranged in the upper frame body 1 and the lower frame body 3, so that the side edge of the backlight body 11 can be wrapped and protected, and under the elastic action of the silica gel pads, the backlight body 11 can be more compact and firm when being installed in the frame body, and can be effectively buffered and damped, the backlight body 11 is prevented from being damaged, and the safety is greatly improved;

meanwhile, the zirconium dioxide film 7 is an antireflection film, so that reflected light can be reduced or eliminated, the light transmission amount is greatly increased, the graphite plate 10 has good conductivity, static electricity on the backlight source body 11 can be further conducted to the metal back plate 5, and the protection effect is greatly improved.

Furthermore, a clamping ring 13 is installed in the middle of the bottom of the upper frame body 1, a positioning column 16 is fixed on the side edge of the bottom of the upper frame body 1, a clamping groove 14 matched with the clamping ring 13 is formed in the top of the lower frame body 3, a positioning hole 15 is formed in the side edge of the top of the lower frame body 3, and the positioning hole 15 is matched with the positioning column 16.

Specifically, through snap ring 13 and draw-in groove 14 interlock each other, can make upper frame body 1 and lower frame body 3 more inseparable combination be in the same place, and through reference column 16 and the cooperation of pegging graft of locating hole 15, can further strengthen the joint strength between upper frame body 1 and the lower frame body 3, and then make the difficult not hard up separation of upper frame body 1 and lower frame body 3, stability is strong, has prevented the condition of side light leak.

Further, a light shielding tape 6 is attached to the top of the upper frame 1, and one end of the light shielding tape 6 is connected to the conductive film 2.

Specifically, one side of the conductive film 2 is adhered to the light-shielding tape 6, and the side of the conductive film 2 opposite to the light-shielding tape 6 has no viscosity, so that the adhering area between the light-shielding tape 6 and the display panel can be reduced, and the device is favorable for peeling and repairing the light-shielding tape 6 and the display panel when damaged.

Further, the side walls of the upper frame body 1 and the lower frame body 3 are both provided with grooves 4, and the inner walls of the grooves 4 are provided with arc chamfers.

In particular, the device is conveniently held by the groove 4.

Further, the inner wall of the clamping groove 14 is provided with a sealing gasket 12, and the outer wall of the sealing gasket 12 is provided with an anti-slip groove.

Specifically, the gasket 12 has a sealing and non-slip function.

A display module comprises an anti-static backlight source.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An antistatic backlight source, characterized in that: the improved LED backlight module comprises an upper frame body (1), wherein a lower frame body (3) is installed at the bottom of the upper frame body (1), a backlight body (11) is connected between the upper frame body (1) and the lower frame body (3), a metal back plate (5) is fixed at the bottom of the lower frame body (3), a conductive film (2) is connected between the outer side of the lower frame body (3) and the outer side of the upper frame body (1), a first silica gel pad (8) is installed on the inner wall of the upper frame body (1), a second silica gel pad (9) is connected to the inner wall of the lower frame body (3), a zirconium dioxide film (7) is installed at the top of the backlight body (11), and a graphite plate (10) is connected between the backlight body (11) and the metal back plate (5).

2. An antistatic backlight source as claimed in claim 1, wherein: go up and install snap ring (13) in the middle of the bottom of framework (1), and the bottom side of going up framework (1) is fixed with reference column (16), draw-in groove (14) with snap ring (13) assorted have been seted up at the top of framework (3) down, and locating hole (15) have been seted up to the top side of framework (3) down, locating hole (15) and reference column (16) phase-match.

3. An antistatic backlight as claimed in claim 2, wherein: and a shading adhesive tape (6) is installed at the top of the upper frame body (1), and one end of the shading adhesive tape (6) is connected with the conductive film (2).

4. An antistatic backlight as claimed in claim 3, wherein: the side walls of the upper frame body (1) and the lower frame body (3) are provided with grooves (4), and the inner walls of the grooves (4) are provided with arc chamfers.

5. An antistatic backlight as claimed in claim 4, wherein: the inner wall of the clamping groove (14) is provided with a sealing gasket (12), and the outer wall of the sealing gasket (12) is provided with an anti-slip groove.

6. The utility model provides a display module assembly which characterized in that: comprising the antistatic backlight according to any one of claims 1 to 5.