CN209858904U - Spliced mobile phone backlight source - Google Patents

Abstract

The utility model discloses a spliced mobile phone backlight source, which comprises a bottom shell and a module, wherein a first plate body is symmetrically arranged on the bottom shell, a clamping groove is formed in the first plate body, a reflective membrane is arranged in the bottom shell, one side of the reflective membrane is fixedly connected with a circuit board, two right-angle plates are symmetrically arranged at the top of the module, the outer side walls of the two right-angle plates are both fixed with a fixed component, and the module and the bottom shell are connected with the clamping groove through the fixed component; when a user installs the module on the bottom shell, firstly, the two bulges are pressed to enable the bulges to be accommodated in the fixed block, secondly, the module is clamped in the bottom shell, when the bulges are clamped at the clamping grooves, the bulges are guided out of the fixed block by the elasticity of the first elastic part and clamped in the clamping grooves, and the module is enabled to be fixed on the bottom shell; when dismantling, only need press the arch to the pull module then can be dismantled the module, thereby reduced the change degree of difficulty of module.

Description

Spliced mobile phone backlight source

Technical Field

The utility model relates to a cell-phone backlight technical field specifically is a concatenation formula cell-phone backlight.

Background

Along with the development of science and technology, the development of the mobile phone is faster and faster, the version is higher and higher, mainly the demand of people is higher and higher, along with the continuous development of economy, the living standard of people is gradually improved, the requirement on daily necessary communication equipment is higher and higher, and along with the gradual acceleration of the large screen of the mobile phone, the requirements on the brightness and the structural stability of the backlight of the mobile phone are higher and higher; the backlight source is a light source located behind a Liquid Crystal Display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM). The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.

The prior art has the following problems:

if the cell-phone backlight takes place when damaging, because drain pan and module adopt complicated mounting structure, lead to not being convenient for by the drain pan separation with the module to stability between current module and the light guide plate is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concatenation formula cell-phone backlight to if the damage takes place for proposing the cell-phone backlight among the solution above-mentioned background art, because drain pan and module adopt complicated mounting structure, lead to being not convenient for by the drain pan separation with the module, and the relatively poor problem of stability between current module and the light guide plate.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concatenation formula cell-phone backlight, includes drain pan and module, the symmetry is provided with first plate body on the drain pan, the draw-in groove has been seted up on the first plate body, the internally mounted of drain pan has the reflectance coating, one side fixed connection circuit board of reflectance coating, the top symmetry of module is provided with two right angle boards, two the lateral wall of right angle board all is fixed with fixed subassembly, the module with the drain pan passes through fixed subassembly with the draw-in groove is connected, the second plate body is all installed in the inside wall four corners department of module, the inside wall fixedly connected with light guide plate of module, the top of light guide plate bonds and has the diffusion piece, the top of diffusion piece bonds and has down the membrane of adding lustre to, the top of membrane of adding lustre to bonds.

As further preferable in the present technical solution: the fixing component comprises a fixing block, a protrusion and a first elastic part, the protrusion slides in the fixing block, and the fixing block is connected with the protrusion through the first elastic part.

As further preferable in the present technical solution: the fixed block with the arch is the cuboid structure, the arch can be accomodate in the fixed block.

As further preferable in the present technical solution: the bottom shell is provided with a notch.

As further preferable in the present technical solution: the inner side four corners of the module are provided with limiting parts for limiting the light guide plate, and the limiting parts are connected with the module through second elastic parts.

As further preferable in the present technical solution: the limiting part is of a U-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: when a user installs the module on the bottom shell, firstly, the two bulges are pressed to enable the bulges to be accommodated in the fixed block, secondly, the module is clamped in the bottom shell, when the bulges are clamped at the clamping grooves, the bulges are guided out of the fixed block by the elasticity of the first elastic part and clamped in the clamping grooves, and the module is enabled to be fixed on the bottom shell; when dismantling, only need press the arch to the pull module then can be dismantled the module, thereby reduced the change degree of difficulty of module.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a top view of the bottom casing of the present invention;

fig. 3 is a top view of the module of the present invention;

fig. 4 is an enlarged schematic view of the fixing assembly of the present invention;

fig. 5 is an enlarged schematic view of the point a in fig. 3 according to the present invention;

fig. 6 is a perspective view of the limiting portion of the present invention.

In the figure: 10. a bottom case; 101. a notch; 11. a first plate body; 111. a card slot; 20. a reflective film; 30. a circuit board; 40. a module; 41. a right-angle plate; 42. a fixing assembly; 421. a fixed block; 422. a protrusion; 423. a first elastic part; 43. a second plate body; 44. a limiting part; 45. a second elastic part; 50. a light guide plate; 60. a diffusion sheet; 70. a lower brightness enhancement film; 80. and (3) an upper brightness enhancement film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a concatenation formula cell-phone backlight, includes drain pan 10 and module 40, the symmetry is provided with first plate body 11 on the drain pan 10, draw-in groove 111 has been seted up on the first plate body 11, the internally mounted of drain pan 10 has reflectance coating 20, one side fixed connection circuit board 30 of reflectance coating 20, the top symmetry of module 40 is provided with two right-angle boards 41, two the lateral wall of right-angle board 41 all is fixed with fixed subassembly 42, module 40 with drain pan 10 passes through fixed subassembly 42 with draw-in groove 111 is connected, second plate body 43 is all installed to the inside wall four corners department of module 40, the inside wall fixedly connected with light guide plate 50 of module 40, diffusion sheet 60 has been bonded at the top of light guide plate 50, diffusion sheet 60's top has lower membrane 70 that adds lustre to bond, membrane 70's top has last membrane 80 that adds lustre to down.

In this embodiment, specifically: the fixing component 42 comprises a fixing block 421, a protrusion 422 and a first elastic part 423, wherein the protrusion 422 slides in the fixing block 421, and the fixing block 421 and the protrusion 422 are connected through the first elastic part 423; the first elastic part 423 is a spring, and when the protrusion 422 is pressed, the first elastic part 423 is elastically restored by itself to restore the protrusion 422 to an original position.

In this embodiment, specifically: the fixing block 421 and the protrusion 422 are both rectangular structures, and the protrusion 422 can be accommodated in the fixing block 421; the protrusion 422 is slidable within the fixing block 421, and the sliding position of the protrusion 422 is limited by the fixing block 421.

In this embodiment, specifically: a notch 101 is formed in the bottom shell 10; due to the arrangement of the notch 101, the circuit board 30 is conveniently clamped on the bottom shell 10.

In this embodiment, specifically: the four corners of the inner side of the module 40 are provided with limiting parts 44 for limiting the light guide plate 50, and the limiting parts 44 are connected with the module 40 through second elastic parts 45; the four stopper portions 44 press four corners of the light guide plate 50 by the elasticity of the second elastic portion 45 itself, thereby restricting the light guide plate 50 within the module 40.

In this embodiment, specifically: the limiting part 44 is of a U-shaped structure; one of the two ends of the position-limiting portion 44 is attached to the upper surface of the light guide plate 50, so as to better limit the position of the light guide plate 50.

Working principle or structural principle: when a user installs the light guide plate 50 into the module 40, firstly, the light guide plate 50 is attached to the four second plate bodies 43, then the four corners of the light guide plate 50 are respectively clamped to the four limiting parts 44, secondly, the four limiting parts 44 press the four corners of the light guide plate 50 by the elasticity of the second elastic parts 45, so that the light guide plate 50 is limited in the module 40, when the user installs the module 40 onto the bottom case 10, firstly, the two protrusions 422 are pressed, so that the protrusions 422 are received into the fixing block 421, secondly, the module 40 is clamped into the bottom case 10, when the protrusions 422 are clamped to the clamping grooves 111, the protrusions 422 are led out from the fixing block 421 by the elasticity of the first elastic parts 423, and are clamped into the clamping grooves 111, so that the module 40 is fixed on the bottom case 10; when disassembling, only pressing the protrusion 422 and pulling the module 40 can disassemble the module 40, thereby reducing the difficulty of replacing the module 40.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The spliced mobile phone backlight source is characterized by comprising a bottom shell (10) and a module (40), wherein a first plate body (11) is symmetrically arranged on the bottom shell (10), a clamping groove (111) is formed in the first plate body (11), a reflecting film (20) is arranged inside the bottom shell (10), a circuit board (30) is fixedly connected to one side of the reflecting film (20), two right-angle plates (41) are symmetrically arranged at the top of the module (40), fixing components (42) are fixed to the outer side walls of the two right-angle plates (41), the module (40) and the bottom shell (10) are connected with the clamping groove (111) through the fixing components (42), a second plate body (43) is arranged at the four corners of the inner side wall of the module (40), a light guide plate (50) is fixedly connected to the inner side wall of the module (40), and a diffusion sheet (60) is bonded to the top of the light guide plate (50), a lower bright enhancement film (70) is bonded to the top of the diffusion sheet (60), and an upper bright enhancement film (80) is bonded to the top of the lower bright enhancement film (70).

2. The backlight source of claim 1, wherein: the fixing component (42) comprises a fixing block (421), a protrusion (422) and a first elastic part (423), the protrusion (422) slides in the fixing block (421), and the fixing block (421) is connected with the protrusion (422) through the first elastic part (423).

3. The backlight source of claim 2, wherein: the fixing block (421) and the bulges (422) are of cuboid structures, and the bulges (422) can be accommodated in the fixing block (421).

4. The backlight source of claim 1, wherein: the bottom shell (10) is provided with a notch (101).

5. The backlight source of claim 1, wherein: the light guide plate is characterized in that limiting parts (44) for limiting the light guide plate (50) are arranged at four corners of the inner side of the module (40), and the limiting parts (44) are connected with the module (40) through second elastic parts (45).

6. The backlight source of claim 5, wherein: the limiting part (44) is of a U-shaped structure.