CN203298101U

CN203298101U - Backlight module and display device

Info

Publication number: CN203298101U
Application number: CN2013203528231U
Authority: CN
Inventors: 储汉奇; 秦锋; 吕昶
Original assignee: BOE Technology Group Co Ltd; Hefei BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Hefei BOE Optoelectronics Technology Co Ltd
Priority date: 2013-06-19
Filing date: 2013-06-19
Publication date: 2013-11-20
Anticipated expiration: 2023-06-19

Abstract

The utility model discloses a backlight module comprising a frame, a light guide plate and an optical film layer. The side walls of the frame enclose a bearing zone. The light guide plate and the optical film layer are disposed in the bearing zone. The optical film layer locates on the emergent side of the light guide plate. At least one pair of opposing side walls of the frame are provided with limit grooves respectively. The optical film layer is provided with limit protrusions which are in one-to-one correspondence to the limit grooves and which fasten to one another. During assembly of the backlight module, the light guide plate and the optical film layer are sequentially placed in the bearing zone, the limit protrusions of the optical film layer extend into the limit grooves of the frame, and thus the optical film layer is limited both vertically and horizontally. Therefore, the optical film layer of the backlight module is prevented from shedding from the frame. In addition, the utility model provides a display device effective in displaying.

Description

Backlight module and display unit

Technical field

The utility model relates to the display technology field, particularly the display unit of a kind of backlight module and this backlight module of employing.

Background technology

As shown in Figure 1, backlight module under prior art generally comprises: framework 01, be positioned at LGP, backlight and the optical film 02 of framework 01, as shown in Figure 2, on framework 01 surrounding sidewall, have the panel location division 011 of a plurality of locating LCD panels, the inwall of framework is provided with open slot 012, as shown in Figure 1, the optical film 02 that is positioned at exiting surface one side of LGP generally comprises one or more layers blooming piece 021, and the edge of every one deck blooming piece 021 has a lug 0211.

When needs by the rete fixed frame in the time, as shown in Figure 3, the lug of every one deck blooming piece 021 0211 is put into to corresponding open slot 012, open slot 012 is spacing optical film in the horizontal direction, as shown in Figure 4, with blooming piece fixation adhesive tape 03, above each lug 0211 of optical film, seal open slot 012 again, blooming piece fixation adhesive tape 03 will carry out spacing by the blooming piece 021 to every one deck on the vertical direction of optical film 02.

But, this fixing means, in the processes such as transportation transfer, because the area of optical film fixation adhesive tape fixed optics rete is less, optical film easily comes off from framework, and the easy extinction of blooming piece fixation adhesive tape (adhesive tape black flour down) or reflective (adhesive tape fine flour down), affect the display effect of display unit.

The utility model content

The utility model provides a kind of backlight module, in order to solve optical film, easily from framework, comes off, and affects the problem of the display effect of display unit.

For addressing the above problem, the utility model provides following technical scheme:

The utility model embodiment provides a kind of backlight module, comprise framework, LGP and optical film, the sidewall of described framework surrounds between supporting region, in described LGP and described optical film are installed between described supporting region, and described optical film is positioned at the bright dipping side of described LGP, on at least one pair of relative sidewall of described framework, be respectively arranged with stopper slot, described optical film is provided with and described the stopper slot corresponding and mutual spacing preiection of engaging one by one.

In some optional embodiments, described optical film has multi-layer optical membrane, and each described spacing preiection is comprised of the lug of the described blooming piece setting of every one deck.

In some optional embodiments, the sidewall of described framework has respectively a plurality of protruding panel location divisions between described supporting region, and described stopper slot is arranged at described panel location division.

In some optional embodiments, each described stopper slot is projected as wedge shape on the face vertical with its depth direction.

In some optional embodiments, each described stopper slot being projected as on the face vertical with its depth direction is trapezoidal.

In some optional embodiments, each described stopper slot is projected as triangle on the face vertical with its depth direction.

In some optional embodiments, the position difference of the stopper slot that is respectively arranged with on relative two sidewalls of described framework, form error-proof structure.

The utility model also provides a kind of display unit, comprises above-mentioned backlight module.

The backlight module that the utility model embodiment provides, comprise framework, LGP and optical film, the sidewall of described framework surrounds between supporting region, in described LGP and described optical film are installed between described supporting region, and described optical film is positioned at the bright dipping side of described LGP, on at least one pair of relative sidewall of described framework, be respectively arranged with stopper slot, described optical film is provided with and described the stopper slot corresponding and mutual spacing preiection of engaging one by one.

Above-mentioned backlight module, in when assembling, put into LGP and optical film between supporting region successively, and the limit convex on optical film stretches in the stopper slot on framework, realizes to optical film spacing on vertical and horizontal direction.

So the backlight module that the utility model provides, can prevent that optical film from coming off from framework.

The utility model embodiment also provides a kind of backlight module, comprises above-mentioned backlight module.Because the optical film in above-mentioned backlight module has fixed effect preferably, so the display unit that the utility model embodiment provides, have display effect preferably.

The accompanying drawing explanation

Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the back light module unit structure explosive view under prior art;

Fig. 2 is the notching construction schematic diagram on the framework in the backlight module under prior art;

Fig. 3 is the back light module unit structure schematic diagram under prior art;

Fig. 4 is the A place partial enlarged drawing of back light module unit structure shown in Figure 3;

The back light module unit structure schematic diagram that Fig. 5 provides for the utility model;

Fig. 6 is the B place partial enlarged drawing of back light module unit structure shown in Figure 5;

Stopper slot structural representation on framework in the backlight module that Fig. 7 provides for the utility model.

In figure:

01. framework 011. panel location division 012. fluting 02. optical film 021. blooming piece 0211. lug 03. blooming piece fixation adhesive tape 1. framework 11. panel location division 111. stopper slot 2. optical film 21. spacing preiections

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model patent protection.

Embodiment mono-

The utility model embodiment provides a kind of backlight module, as shown in Figure 5, comprise framework 1, LGP and optical film 2, the sidewall of framework 1 surrounds (inside of framework) between supporting region, in LGP and optical film 2 are installed between supporting region, and optical film 2 is positioned at the bright dipping side of LGP, on framework 1 at least one pair of relative sidewall, is respectively arranged with stopper slot, and optical film is provided with and the stopper slot corresponding and mutual spacing preiection 21 of engaging one by one.

The backlight module that the utility model embodiment provides, when assembling, successively LGP and optical film 2 are put between supporting region, the spacing preiection 21 on optical film 2 stretches in the stopper slot on framework 1, realizes to optical film 2 spacing on vertical and horizontal direction.

Optical film 2 has multi-layer optical membrane, and each spacing preiection 21 is comprised of the lug of every one deck blooming piece setting.

Stopper slot can be arranged on any position of frame side wall, but because framework is very thin, as shown in Figure 6, Fig. 6 is the B place partial enlarged drawing of back light module unit structure shown in Figure 5, the sidewall of framework 1 has respectively a plurality of protruding panel location divisions 11 between supporting region, so more preferably in embodiment, stopper slot is arranged at panel location division 11.

The total thickness of general which floor blooming piece is a few tenths of a mm, if use rectangular channel, the width of groove is less, fixedly diaphragm but on technique processing more difficult, if the width of groove is larger, convenient processing, but width surpasses the blooming piece total thickness, can not play the fixation to blooming piece, more preferably, as shown in Figure 7, each stopper slot 111 is projected as wedge shape on the face vertical with its depth direction.The opening of wedge-shaped slot is towards supporting region Jian De center, and wedge-shaped slot is convenient to process and again can well the fixed optics rete.

Alternatively, each stopper slot being projected as on the face vertical with its depth direction is trapezoidal.Perhaps each stopper slot is projected as triangle on the face vertical with its depth direction.

Anti-loaded in order to prevent the every one deck blooming piece in optical film 2, preferably, the position difference of the stopper slot that is respectively arranged with on relative two sidewalls of framework 1, form error-proof structure.As shown in Figure 5, a in Fig. 5, b represent respectively the distance of the sidewall that first stopper slot distance on two sidewalls that framework 1 is relative is adjacent with these two sidewalls, wherein the distance of a, b representative is different, and the position that is to say the stopper slot on two relative sidewalls is not mutually corresponding.

Certainly in order to prevent that the every one deck blooming piece in optical film 2 from turning instead, in relative two sidewalls of framework 1, the stopper slot on sidewall is projected as triangle on the face vertical with its depth direction; Stopper slot on another sidewall is projected as wedge shape on the face vertical with its depth direction, the shape of the stopper slot on two relative sidewalls of framework 1 is just repeated here no longer one by one.

Embodiment bis-

The utility model embodiment provides a kind of backlight module, comprises above-mentioned backlight module.Due to above-mentioned backlight module, in when assembling, can be on the vertical and horizontal direction of optical film to optical film, carry out spacing, it is better that optical film is fixed, be not prone to break-off, therefore, the display unit that the utility model provides has display effect preferably.

Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.

Claims

1. backlight module, comprise framework, LGP and optical film, the sidewall of described framework surrounds between supporting region, in described LGP and described optical film are installed between described supporting region, and described optical film is positioned at the bright dipping side of described LGP, it is characterized in that, at least one pair of relative sidewall of described framework, be respectively arranged with stopper slot, described optical film is provided with and described the stopper slot corresponding and mutual spacing preiection of engaging one by one.

2. backlight module according to claim 1, is characterized in that, described optical film has multi-layer optical membrane, and each described spacing preiection is comprised of the lug of the described blooming piece setting of every one deck.

3. backlight module according to claim 2, is characterized in that, each sidewall of described framework has a plurality of protruding panel location divisions between described supporting region, and described stopper slot is arranged at described panel location division.

4. backlight module according to claim 3, is characterized in that, each described stopper slot is projected as wedge shape on the face vertical with its depth direction.

5. backlight module according to claim 3, is characterized in that, each described stopper slot being projected as on the face vertical with its depth direction is trapezoidal.

6. backlight module according to claim 3, is characterized in that, each described stopper slot is projected as triangle on the face vertical with its depth direction.

7. the described backlight module of according to claim 1～6 any one, is characterized in that, the position difference of the stopper slot that is respectively arranged with on relative two sidewalls of described framework forms error-proof structure.

8. a display unit, is characterized in that, comprises backlight module as described as claim 1～7 any one.