CN205880442U - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN205880442U CN205880442U CN201620679123.7U CN201620679123U CN205880442U CN 205880442 U CN205880442 U CN 205880442U CN 201620679123 U CN201620679123 U CN 201620679123U CN 205880442 U CN205880442 U CN 205880442U
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- CN
- China
- Prior art keywords
- guide plate
- light guide
- projection
- glue frame
- backlight module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a back light module and liquid crystal display device, backlight unit include the light source, glue frame, light guide plate and optics diaphragm, glue the frame, the apex angle department that glues one side of frame is provided with at least one lug, the light guide plate for turn into even area source with the light source, include to go into the plain noodles, go out the plain noodles, it is located to go into the plain noodles one side of light guide plate, towards the light source, it lies in to go out the plain noodles the top surface of light guide plate, the light guide plate is fixed in gluing the frame, apex angle department have with glue the corresponding breach of frame, with the lug phase -match, the optics diaphragm is used for improving the positive brightness of the light that sends from the light guide plate, cover in on the play plain noodles of light guide plate, the utility model provides a back light module and liquid crystal display device easily adorns the mistake in order to solve among the prior art light guide plate, the assembly personnel degree of difficulty height of working, and work efficiency hangs down the scheduling problem.
Description
Technical field
This utility model relates to backlight technology field, particularly relates to a kind of backlight module and liquid crystal indicator.
Background technology
Along with the development of backlight technology, liquid crystal display owing to profile is frivolous, volume is little, low pressure is low in energy consumption, radiationless etc.
Advantage, is favored by people, and therefore liquid crystal display is widely used in mobile phone, domestic TV display screen, computer and advertisement screen
Curtain etc..Owing to liquid crystal display is that itself is the most luminous, need the uniform source of light provided by backlight module could produce display merit
Can, wherein light guide plate is the key element that backlight module is provided uniform area light source.
In prior art for the common light source in conventional LCDs, such as Fig. 1, light guide plate 11 is the most
Important optics, light source is arranged on the side of light guide plate 11, and light guide plate 11 is very important relative to the location of light source,
If positioning not accurate enough and stable, display effect will be directly affected, and then affect the whole structure of product.And, light guide plate
11 enter light for light source, go out light and do direction requirement, especially light direction, and once go wrong will be direct for light direction
The light source having influence on whole backlight module provides, so when light guide plate 11 is assembled, it is necessary to distinguish light guide plate 11
Exiting surface；But owing to light guide plate 11 profile is the most slim, Aspect Ratio consistent, the second projection 15 on glue frame 12 is also to arrange
Become two pieces of symmetrical trianglees, arrange along the first projection 14, glue frame forms the glue position, oblique angle of a symmetry so that light guide plate
11 can load glue frame 12 when turn-over assembles in the same old way, and wrongly installed after be not easy to find very much, this adds increased the work of assembler
Make difficulty, reduce work efficiency.
Therefore, existing necessity proposes new improvement for the problems referred to above to existing backlight module and liquid crystal indicator
Scheme, the most wrongly installed to solve light guide plate in prior art, the problems such as assembly crewman's work difficulty is high, inefficiency.
Utility model content
This utility model provides a kind of backlight module improving light guide plate efficiency of assembling and liquid crystal indicator, to solve
The problems such as in prior art, light guide plate is the most wrongly installed, and assembly crewman's work difficulty is high, inefficiency.
This utility model provides a kind of backlight module, and this backlight module includes:
Light source；
Glue frame, is provided with at least one projection at the drift angle of the side of described glue frame；
Light guide plate, for light source is converted into uniform area source, including incidence surface, exiting surface, described incidence surface is positioned at
The side of described light guide plate, towards described light source, described exiting surface is positioned at the end face of described light guide plate, and described light guide plate is fixed on
In described glue frame, there is the breach corresponding with described glue frame at drift angle, match with described projection；
Blooming piece, for improving the positive brightness of the light sent from light guide plate, is covered in the exiting surface of described light guide plate
On.
In backlight module of the present utility model, described projection is two, the respectively first projection, the second projection.
In backlight module of the present utility model, described first projection is two pieces of bumping squares, and described second projection is one
Block triangular bump, described first projection is fixed on the side of described glue frame, and described second projection sets along described first projection
Put.
In backlight module of the present utility model, described light source is fixed on described light guide plate incidence surface side.
In backlight module of the present utility model, the described rectangular frame-shaped of glue frame, described light guide plate is fixed.
In backlight module of the present utility model, the inside upper part of described glue frame is provided with blooming piece deep gouge, described light
The edge part learning diaphragm is positioned at inside described diaphragm deep gouge.
This utility model further relates to a kind of liquid crystal indicator, comprising:
Display panels；
Backlight module, described backlight module includes:
Light source；
Glue frame, is provided with at least one projection at the drift angle of the side of described glue frame；
Light guide plate, for light source is converted into uniform area source, including incidence surface, exiting surface, described incidence surface is positioned at
The side of described light guide plate, towards described light source, described exiting surface is positioned at the end face of described light guide plate, and described light guide plate is fixed on
In described glue frame, there is the breach corresponding with described glue frame at drift angle, match with described projection；
Blooming piece, for improving the positive brightness of the light sent from light guide plate, is covered in the exiting surface of described light guide plate
On.
Preferably, described projection is two, the respectively first projection, the second projection.
Preferably, described first projection is two pieces of bumping squares, and described second projection is one piece of triangular bump, described
One projection is fixed on the side of described glue frame, and described second projection is arranged along described first projection.
Preferably, the described rectangular frame-shaped of glue frame, described light guide plate is fixed.
Compared to backlight module and the liquid crystal indicator of prior art, backlight module of the present utility model and liquid crystal
Display device, by arranging the second projection of two pieces of first square projections and one piece of triangle at the drift angle of glue frame side, makes
Obtaining and have while being glue position, oblique angle on glue frame, another side is glue position, right angle, arranges in the relevant position of light guide plate and matches with projection
Breach, special-shaped asymmetric design makes the exiting surface of light guide plate be fixing relative to the direction of the first projection and the second projection
, if the light guide plate upset assembling when assembling, the right angle of light guide plate runs into the glue position, oblique angle of glue frame and will normally assemble, allows
Assembly crewman can pinpoint the problems in time, reduces work difficulty, improves work efficiency, solves light guide plate in prior art and easily fill
Mistake, the problems such as assembly crewman's work difficulty is high, inefficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model backlight module prior art；
Fig. 2 is the structural representation of this utility model backlight module preferred embodiment；
Wherein, light guide plate: 11,21；Glue frame: 12,22；Blooming piece deep gouge: 13,23；First projection: 14,24；Second is convex
Block: 15,25.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art do not make institute under creative work premise
Obtain every other embodiment, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, Fig. 2, Fig. 1 is the structural representation of this utility model backlight module prior art, and Fig. 2 is this reality
Structural representation with novel backlight module preferred embodiment.
In preferred embodiment of the present utility model, backlight module includes light source, light guide plate 21, glue frame 22, blooming piece,
Light source, for providing line source to light guide plate 21, is positioned at the side of light guide plate 21；Glue frame 22 is used for fixing light guide plate 21, glue frame
The first projection 24 and the second projection 25 it is provided with at the side drift angle of 22；Light guide plate 21 is for being converted to the line source that light source provides
Uniform area source, described light guide plate 21 also includes that incidence surface and exiting surface, described incidence surface side have light source, it is simple to described in lead
Tabula rasa 21 receives light；Described exiting surface is positioned at the top of light guide plate 21, is provided with and the at the side corner position of light guide plate 21
The breach that one projection 24 and the second projection 25 match；Facing of the light that blooming piece sends from light guide plate 21 for raising is bright
Degree, covers on the exiting surface of light guide plate 21.
Wherein, the rectangular frame-shaped of glue frame 22, light guide plate 21 is fixed.The inside upper part of glue frame 22 is provided with blooming piece
Deep gouge 23, it is internal that the edge part of blooming piece is positioned at blooming piece deep gouge 23.First projection 24 be two pieces square convex
Block, the second projection 25 is one piece of triangular bump, and the first projection 24 is fixed on the side of glue frame 22, and the second projection 25 is along first
Projection 24 is arranged.
This utility model further comprises a kind of liquid crystal indicator, and it includes display panels and above-mentioned backlight mould
Group, this backlight module includes light source, light guide plate 21, glue frame 22, blooming piece, and light source is for providing linear light to light guide plate 21
Source, is positioned at the side of light guide plate 21；Glue frame 22, for being fixed by light guide plate 21, is provided with the first projection at the side drift angle of glue frame 22
24 and second projection 25；Light guide plate 21 is for being converted to uniform area source, described light guide plate 21 by the line source that light source provides
Also include that incidence surface and exiting surface, described incidence surface side have light source, it is simple to described light guide plate 21 receives light；Described exiting surface
It is positioned at the top of light guide plate 21, is provided with at the side corner position of light guide plate 21 and matches with the first projection 24 and the second projection 25
Breach；Blooming piece, for improving the positive brightness of the light sent from light guide plate 21, covers on the exiting surface of light guide plate 21.
Wherein, the rectangular frame-shaped of glue frame 22, light guide plate 21 is fixed.The inside upper part of glue frame 22 is provided with blooming piece
Deep gouge 23, it is internal that the edge part of blooming piece is positioned at blooming piece deep gouge 23.First projection 24 is two pieces of bumping squares,
Second projection 25 is one piece of triangular bump, and the first projection 24 is fixed on the side of glue frame 22, and the second projection 25 is convex along first
Block 24 is arranged.
The operation principle of this backlight module preferred embodiment is: first, light guide plate 21 jaggy is utilized have first convex
The glue frame 22 of block 24 and the second projection 25 is fixed, at breach and first projection 24 and second projection of glue frame 22 of light guide plate 21
While 25 closely stick together mutually, the exiting surface of light guide plate 21 will upwards, and light direction will be correct, and light guide plate is just exactly
Often assembling, then light source is placed on the incidence surface of light guide plate 21, the exiting surface overlying at light guide plate 21 covers blooming piece, makes light
The edge part learning diaphragm is positioned at the inside of blooming piece deep gouge 23, is finally electrified, and light source starts shinny, light from
The incidence surface of light guide plate 21 is incoming, is converted into uniform area source by the process of light guide plate 21, then goes out light from light guide plate 21
Face promotes the positive brightness of light by blooming piece so that whole backlight module sends the softest light.
Complete the work process of this utility model preferred embodiment.
The operation principle of liquid crystal indicator of the present utility model and the preferred embodiment of backlight module of the present utility model
Operation principle same or similar, specifically refer to according to above preferred embodiment.
The beneficial effects of the utility model:
Backlight module of the present utility model and liquid crystal indicator are by arranging two pieces at the drift angle of glue frame 22 side
The first square projection 24 and the second projection 25 of one piece of triangle so that having on glue frame 22 is glue position, oblique angle, another side
For glue position, right angle, arranging the breach matched with projection in the relevant position of light guide plate 21, special-shaped asymmetric design makes to lead
The exiting surface of tabula rasa 21 is fixing relative to the direction of the first projection 24 and the second projection 25, if light guide plate 21 turns over when assembling
Turning assembling, the right angle of light guide plate 21 runs into the glue position, oblique angle of glue frame and will normally assemble, assembly crewman can be sent out in time
Existing problem, reduces work difficulty, improves work efficiency, solve light guide plate in prior art the most anti-loaded, and assembly crewman works difficulty
The problems such as degree is high, inefficiency.
Embodiment the most of the present utility model, but for those of ordinary skill in the art
Speech.It is appreciated that in the case of without departing from principle of the present utility model and spirit, these embodiments can be carried out multiple changing
Becoming and substitute, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a backlight module, it is characterised in that described backlight module includes:
Light source；
Glue frame, is provided with at least one projection at the drift angle of the side of described glue frame；
Light guide plate, for light source is converted into uniform area source, including incidence surface, exiting surface, described incidence surface is positioned at described
The side of light guide plate, towards described light source, described exiting surface is positioned at the end face of described light guide plate, and described light guide plate is fixed on described
In glue frame, there is the breach corresponding with described glue frame at drift angle, match with described projection；
Blooming piece, for improving the positive brightness of the light sent from light guide plate, is covered on the exiting surface of described light guide plate.
Backlight module the most according to claim 1, it is characterised in that described projection is two, the respectively first projection,
Two projections.
Backlight module the most according to claim 2, it is characterised in that described first projection is two pieces of bumping squares, described
Second projection is one piece of triangular bump, and described first projection is fixed on the side of described glue frame, and described second projection is along institute
State the first projection to arrange.
Backlight module the most according to claim 1, it is characterised in that described light source is fixed on described light guide plate incidence surface one
Side.
Backlight module the most according to claim 1, it is characterised in that the described rectangular frame-shaped of glue frame, by described light guide plate
Fix.
Backlight module the most according to claim 1, it is characterised in that the inside upper part of described glue frame is provided with blooming piece
Deep gouge, the edge part of described blooming piece is positioned at inside described diaphragm deep gouge.
7. a liquid crystal indicator, it is characterised in that described liquid crystal indicator includes:
Display panels；
Backlight module, described backlight module includes:
Light source；
Glue frame, is provided with at least one projection at the drift angle of the side of described glue frame；
Light guide plate, for light source is converted into uniform area source, including incidence surface, exiting surface, described incidence surface is positioned at described
The side of light guide plate, towards described light source, described exiting surface is positioned at the end face of described light guide plate, and described light guide plate is fixed on described
In glue frame, there is the breach corresponding with described glue frame at drift angle, match with described projection；
Blooming piece, for improving the positive brightness of the light sent from light guide plate, for being covered in the exiting surface of described light guide plate
On.
Liquid crystal indicator the most according to claim 7, it is characterised in that described projection is two, respectively first is convex
Block, the second projection.
Liquid crystal indicator the most according to claim 8, it is characterised in that described first projection is two pieces of bumping squares,
Described second projection is one piece of triangular bump, and described first projection is fixed on the side of described glue frame, described second projection edge
Described first projection to arrange.
Liquid crystal indicator the most according to claim 7, it is characterised in that the described rectangular frame-shaped of glue frame, leads described
Tabula rasa is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679123.7U CN205880442U (en) | 2016-06-29 | 2016-06-29 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679123.7U CN205880442U (en) | 2016-06-29 | 2016-06-29 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880442U true CN205880442U (en) | 2017-01-11 |
Family
ID=57693015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620679123.7U Expired - Fee Related CN205880442U (en) | 2016-06-29 | 2016-06-29 | Back light module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227311A (en) * | 2018-01-19 | 2018-06-29 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
-
2016
- 2016-06-29 CN CN201620679123.7U patent/CN205880442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227311A (en) * | 2018-01-19 | 2018-06-29 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190629 |