CN207636890U - A kind of backlight module and its liquid crystal module - Google Patents

Abstract

The utility model discloses a kind of backlight module and its liquid crystal modules, the backlight module includes center, optical diaphragm group, light guide plate, backboard from top to bottom, the backlight module is fixed by the center and the backboard, and the center and backboard are fixed by the way that convex block and groove is arranged.The utility model provides a kind of backlight module and its liquid crystal display module structure engaging backboard and center, to effectively avoid engaging bad phenomenon, avoids heavy industry, improves product quality, save manpower.

Description

A kind of backlight module and its liquid crystal module

Technical field

The utility model is related to a kind of module more particularly to a kind of backlight module and its liquid crystal modules.

Background technology

With science and technology make rapid progress, liquid crystal display (Liquid Crystal Display, LCD) due to it is small, The features such as thickness is thin, light-weight and low-power consumption, is increasingly had deep love for by consumers in general.

Existing liquid crystal module includes display panel and backlight module, and display panel includes front frame, color membrane substrates, liquid crystal Layer, array substrate and down polaroid, backlight module include optical diaphragm group, light guide plate, reflector plate, center and backboard, display surface Plate and backlight module are fixed by front frame, center, backboard engaging.When assembling backlight module, mainly by center and the back of the body Plate is engaged.Backboard is located at the lowest level of entire backlight module, and carrying reflector plate, light guide plate, optical diaphragm, center is located at whole The top layer of a backlight module, is close to optical diaphragm group.Currently, to backboard and center engage mainly solid using grab design Calmly, when but grab is fastened on firmly not in place, there is phenomena such as bad is engaged, product quality is seriously affected, and heavy industry is tired Difficulty, waste of time.

Therefore, it is necessary to a kind of backlight module that can facilitate engaging and its liquid crystal module design are provided, it is above-mentioned to solve Problem.

Utility model content

In view of problem above, the utility model provides a kind of backlight module and its liquid crystal module engaging backboard and center Structure avoids heavy industry, improves product quality, save manpower to effectively avoid engaging bad phenomenon.

For this purpose, the utility model uses following technical scheme：

A kind of backlight module, the backlight module are described from top to bottom including center, optical diaphragm group, light guide plate, backboard Backlight module is fixed by the center and the backboard, and the center and backboard are engaged by the way that convex block and groove is arranged It is fixed.

Preferably, the convex block is set on center, and the groove is set on backboard.

Preferably, the convex block is set on backboard, and the groove is set on center.

Preferably, the convex block is corresponded with the groove.

Preferably, the backboard divides bottom plate and side plate, the side plate to be U-shaped bending structure, the convex block on the backboard/recessed Slot is arranged in the backboard side plate close to the side of center.

Preferably, the center is U-shaped structure, and the side plate of the backboard is sticked in the center.

Preferably, position is arranged among the center in the convex block on the center/groove.

Preferably, at least provided with 2 convex block/grooves in a line of the center.

Preferably, at least provided with 2 convex block/grooves in a line of the backboard.

A kind of liquid crystal module is assembled with backlight module as described above.

Advantageous effect：The utility model provides a kind of backlight module and its liquid crystal module.Backlight module passes through in center It is fixed with setting convex block and groove on backboard, eliminates traditional grab and fix, engage bad phenomenon, improve product Quality saves manpower.

Description of the drawings

Fig. 1 is a kind of cross-sectional view for liquid crystal module that the utility model embodiment 1 is provided；

Fig. 2 is the sectional perspective Fig. 1 for the backlight module that the utility model embodiment 1 is provided；

Fig. 3 is the portions A partial enlarged view in Fig. 2；

Fig. 4 is the sectional perspective Fig. 2 for the backlight module that the utility model embodiment 1 is provided；

Fig. 5 is a kind of cross-sectional view for liquid crystal module that the utility model embodiment 2 is provided.

Specific implementation mode

The technical issues of to make the utility model solve, the technical solution of use and the technique effect that reaches are clearer, Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

Preferred embodiment 1：

Referring to Fig. 1, a kind of cross-sectional view for liquid crystal module that Fig. 1 is provided by the utility model embodiment 1. As shown in Figure 1, liquid crystal module includes display panel 1 and backlight module 2, display panel 1 includes upper polaroid, color membrane substrates, liquid Crystal layer, array substrate and down polaroid, backlight module 2 include optical diaphragm group, light guide plate, reflector plate, center 22 and backboard 21, By the way that groove 221 is arranged on center 22, on backboard 21, setting convex block 213 is fixed the present embodiment.

Specifically, backboard 21 divides for bottom plate 211 and side plate 212, and side plate 212 is set as U-shaped bending structure, in U-shaped bending Structure is provided with convex block 213 close to the side of center 22；The generally U-shaped structure of center 22, the centre position of center 22 and backboard The side plate 212 of 21 212 parallel correspondence of side plate, backboard 21 is sticked in the center 22U shape structures.Meanwhile in center 22U Among shape structure position be provided with 213 one-to-one groove 221 of backboard convex block, during the size of the groove 221 is not more than The intermediate position of frame 22 is preferably sized to that the convex block 213 on backboard 21 can be accommodated just.

Fig. 2 and Fig. 3, the sectional perspective Fig. 1 for the backlight module 2 that Fig. 2 is provided by the utility model embodiment 1 are please referred to, Fig. 3 is the portions A partial enlarged view in Fig. 2.As shown in Figures 2 and 3, in entire backlight module 2, center 22 shares 3 sides (figure In be not shown), it is that (Fig. 2 shows the sectional perspectives of wherein one side for two sides for left and right to need to be engaged with backboard 21 Figure), at least provided with 2 grooves 221 on a side of center 22,2 grooves 221 preferably are set at side both ends.Right When center 22 and backboard 21 engage, the convex block 213 on backboard 21 is positioned in groove 221, size, the shape of each convex block 213 It is corresponded with groove 221.For example, when groove 221 is rectangle, convex block is preferably also rectangle, and convex block 213 protrude/is not dashed forward Go out groove 221, convex block 213 shown in Fig. 2 protrudes from groove 221.It should be noted that the present embodiment for groove 221 with it is convex Shape, the size of block 213 are not construed as limiting, and only need to meet convex block 213 can be sticked in groove 221.

Referring to Fig. 4, the sectional perspective Fig. 2 for the backlight module that Fig. 4 is provided by the utility model embodiment 1.Such as Fig. 4 institutes Show, when assembling center 22 and backboard 21, first, radiogram, light guide plate, optical diaphragm group is placed on the bottom plate of backboard 21； Then, 212 part of side plate of backboard 21 is sticked in U-shaped center 22, center 22 along 21 upward arrow direction of backboard to Preceding promotion；Finally, when corresponding on backboard 21 convex block of 221 pieces of groove on center 22 213 fastens, center 22 and backboard 21 assemble successfully.Groove 221 shown in figure is circle with convex block 213.

Preferred embodiment 2：

Referring to Fig. 5, a kind of cross-sectional view for liquid crystal module that Fig. 5 is provided by the utility model embodiment 2. As shown in figure 5, liquid crystal module includes display panel 1 and backlight module 2, display panel 1 includes upper polaroid, color membrane substrates, liquid Crystal layer, array substrate and down polaroid, backlight module 2 include optical diaphragm group, light guide plate, reflector plate, center 22 and backboard 21, By the way that convex block 221 ' is arranged on center 22, on backboard 21, setting groove 213 ' is fixed the present embodiment.

Specifically, backboard 21 divides for bottom plate 211 and side plate 212, and side plate 212 is set as U-shaped bending structure, in U-shaped bending Structure is arranged fluted 213 ' close to the side of center 22；The generally U-shaped structure of center 22, the centre position of center 22 and backboard The side plate 212 of 21 212 parallel correspondence of side plate, backboard 21 is sticked in the center 22U shape structures.Meanwhile in center Among 22U shapes structures position be provided with the one-to-one convex block 221 ' of backboard groove 213 ', the size of the convex block 221 ' is not More than the intermediate position of center 22, it is preferably sized to that the groove 213 ' on backboard 21 can be accommodated just.

In entire backlight module 2, center 22 shares 3 sides, and it is left and right two to need to be engaged with backboard 21 2 convex blocks 221 ' preferably are arranged at side both ends at least provided with 2 convex blocks 221 ' on one side of center 22 in side. When engaging to center 22 and backboard 21, the convex block 221 ' on center 22 is positioned over the groove 213 ' on backboard 21 Nei, each groove 213 ' size, shape and convex block 221 ' corresponds.For example, when convex block 221 ' is rectangle, convex block is preferably also rectangular Shape, the protrusion of groove 213 '/do not protrude convex block 221 '.It should be noted that the present embodiment is for convex block 221 ' and groove 213 ' Shape, size are not construed as limiting, and only need to meet convex block 221 ' can be sticked in groove 213 '.

First, radiogram, light guide plate, optical diaphragm group are placed on the bottom plate of backboard 21；Then, by the side plate of backboard 21 212 parts are sticked in U-shaped center 22, and center 22 pushes forward along 21 upward arrow direction of backboard, please refers to Fig.4；Most Afterwards, when corresponding on backboard 21 groove of the 221 ' block of convex block on center 22 213 ' fastens, center 22 and backboard 21 assemble Success.

Herein, relational terms such as first and second and the like be used merely to by an entity or operation with it is another One entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this reality Relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

It is as described above according to the embodiments of the present invention, these embodiments there is no all details of detailed descriptionthe, The specific embodiment that the utility model is only described is not limited yet.Obviously, as described above, many modification and change can be made Change.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the principles of the present invention and actually to answer With to enable skilled artisan to utilize the utility model and repairing on the basis of the utility model well Change use.

Claims (10)

1. a kind of backlight module, the backlight module includes center, optical diaphragm group, light guide plate, backboard, the back of the body from top to bottom Optical mode group is fixed by the center and the backboard, which is characterized in that the center and backboard are by being arranged convex block and recessed Slot is fixed.

2. backlight module as described in claim 1, which is characterized in that the convex block is set on center, the groove setting In on backboard.

3. backlight module as described in claim 1, which is characterized in that the convex block is set on backboard, the groove setting In on center.

4. backlight module as described in claim 1, which is characterized in that the convex block is corresponded with the groove.

5. backlight module as described in claim 1, which is characterized in that the backboard divides bottom plate and side plate, the side plate to be U-shaped Bending structure, convex block/groove on the backboard are arranged in the backboard side plate close to the side of center.

6. backlight module as described in claim 1, which is characterized in that the center is U-shaped structure, the side plate card of the backboard Together in the center.

7. backlight module as claimed in claim 6, which is characterized in that convex block/groove on the center is arranged in described Position among frame.

8. backlight module as described in claim 1, which is characterized in that convex at least provided with 2 in a line of the center Block/groove.

9. backlight module as described in claim 1, which is characterized in that convex at least provided with 2 in a line of the backboard Block/groove.

10. a kind of liquid crystal module is assembled just like claim 1-9 any one of them backlight modules.