CN207636895U - A kind of backlight with reflector plate location structure - Google Patents
A kind of backlight with reflector plate location structure Download PDFInfo
- Publication number
- CN207636895U CN207636895U CN201721895883.2U CN201721895883U CN207636895U CN 207636895 U CN207636895 U CN 207636895U CN 201721895883 U CN201721895883 U CN 201721895883U CN 207636895 U CN207636895 U CN 207636895U
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- China
- Prior art keywords
- light guide
- locating piece
- reflector plate
- guide plate
- block
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Abstract
The utility model discloses a kind of backlights with reflector plate location structure, including light emitting source, light guide plate and the reflector plate being arranged on the light guide plate, it is additionally provided with the first locating piece and the second locating piece in the light guide plate and the matched one side of the reflector plate, first locating piece and the L-shaped structure of the second locating piece and set up separately the catheter plate it is diagonal on, the reflector plate card, which is set, to be sitting between the first locating piece and the second locating piece.In the utility model, in the first locating piece of diagonal upper setting of light guide plate and the second locating piece, reflector plate is fastened between first locating piece and the second locating piece, reflector plate is positioned.
Description
Technical field
The utility model is related to the technical fields of optical thin film, are specifically related to a kind of back of the body with reflector plate location structure
Light source.
Background technology
For LCD technology, backlight is needed to provide the light needed for display, the agent structure of backlight includes
Light emitting source and light guide plate, the pipeline that light emitting source is sent out form area source, are supplied to display panel after the adjustment of light guide plate,
For showing, in order to improve light efficiency, the light guide plate back side opposite with light-emitting surface is provided with reflector plate, for reflexing to light
Light emission side.
But since reflector plate is relatively thin, reflector plate moves in order to prevent, needs that special fixed structure is arranged to consolidate
Determine reflector plate.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide it is a kind of that reflector plate is positioned, prevent reflector plate
It is mobile, improve the backlight with reflector plate location structure of light efficiency.
Specific technical solution is as follows：
A kind of backlight with reflector plate location structure, including light emitting source, light guide plate and setting are in the light guide plate
On reflector plate, be additionally provided with the first locating piece and the second positioning in the light guide plate and the matched one side of the reflector plate
Block, first locating piece and the L-shaped structure of the second locating piece and set up separately the light guide plate it is diagonal on, it is described anti-
It penetrates piece card and sets and be sitting between the first locating piece and the second locating piece.
Preferably, the first block and the second block that first locating piece, which includes both ends, to be vertically connected, and the first block
The side of back-reflection piece is flushed with the bottom edge of light guide plate, the side of the second block back-reflection piece and corresponding light guide plate
A side be flush, and the corresponding other side of first block and the corresponding other side of the second block respectively with it is described anti-
The a side and bottom edge for penetrating piece offset.
Preferably, the width of first block and the second block vertical projection in light guide plate is not less than 0.2mm.
Preferably, third block and fourth gear block that second locating piece, which includes both ends, to be vertically connected, the third gear
Block is flushed backwards to the side of the reflector plate with a side of the light guide plate, another side phase of the other side and the reflector plate
It supports, the side of the fourth gear block face reflector plate is flushed with the top of the light guide plate, and the other side of the fourth gear block is prolonged
It extends to outside the light guide plate.
Preferably, the width of vertical projection of the third block on the light guide plate is not less than 0.2mm.
Preferably, third locating piece is additionally provided on the light guide plate, the third locating piece and second locating piece
Structure is identical, and the angle in the side of the light guide plate and top is arranged, and symmetrical with the second locating piece.
Preferably, the backlight further includes backboard, glue frame, optical diaphragm, the reflector plate and light guide plate are respectively provided with
On backboard, optical diaphragm is arranged close to the light-emitting surface of light guide plate.
The good effect of above-mentioned technical proposal is：
(1) in the utility model, in the first locating piece of diagonal upper setting of light guide plate and the second locating piece, by reflector plate
Be fastened between first locating piece and the second locating piece, reflector plate positioned, meanwhile, first locating piece with
And second locating piece be " L " shape structure, the diagonal structure with reflector plate matches, and is diagonally consolidated reflector plate is corresponding
It is fixed, without changing the structure of reflector plate, you can the positioning for realizing reflector plate, the positioning method with traditional change reflector plate structure
Produce difference.
(2) simultaneously, first block, the second block and third block are respectively positioned in the light guide plate, and the described 4th
Light guide plate is located at outside the light guide plate, so that reflector plate bottom edge and two sides there are empty avoiding area, ensure that after shining
Two sides and bottom edge are without bright border phenomenon.
Description of the drawings
Fig. 1 is the structural schematic diagram for the backlight that the utility model has reflector plate location structure；
Fig. 2 is the structural representation of light guide plate and reflector plate in backlight of the utility model with reflector plate location structure
Figure；
Fig. 3 is looking up after light guide plate in backlight of the utility model with reflector plate location structure and reflector plate installation
Figure.
In attached drawing, 1, backboard；2, glue frame；3, display panel；4, optical diaphragm；5, light guide plate；51, the first locating piece；
511, the first block；512, the second block；52, the second locating piece；521, fourth gear block；522, third block；53, third positions
Block；54, bottom edge；55, top；6, reflector plate.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, with
Lower embodiment combination attached drawing is specifically addressed to provided by the utility model.
Fig. 1 is the structural schematic diagram for the backlight that the utility model has reflector plate location structure；Fig. 2 is the utility model
The structural schematic diagram of light guide plate and reflector plate in backlight with reflector plate location structure；Fig. 3, which is the utility model, to be had instead
Penetrate light guide plate and the upward view after reflector plate installation in the backlight of piece location structure.Shown in please referring to Fig.1 to Fig.3, show
A kind of preferably backlight with reflector plate location structure, including light emitting source, light guide plate 5 and setting are in the light guide plate 5
On reflector plate 6, the first locating piece 51 and the are additionally provided in the light guide plate 5 and 6 matched one side of the reflector plate
Two locating pieces 52, the L-shaped structure of first locating piece, 51 and second locating piece 52 and set up separately in the light guide plate 5
On diagonal, the card of the reflector plate 6, which is set, to be sitting between the first locating piece 51 and the second locating piece 52.
In the utility model, in the first locating piece 51 of diagonal upper setting of light guide plate 5 and the second locating piece 52, it will reflect
Piece 6 is fastened between first locating piece, 51 and second locating piece 52, is positioned to reflector plate 6, meanwhile, described first
Locating piece 51 and the second locating piece 52 are " L " shape structure, and the diagonal structure with reflector plate 6 matches, and reflector plate 6 is right
That answers is diagonally fixed, without changing the structure of reflector plate 6, you can the positioning for realizing reflector plate 6 is reflected with traditional change
The positioning method of 6 structure of piece produces difference.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
More specifically, first locating piece 51 includes the first block 511 and the second block 512 that both ends are vertically connected,
And the side of 511 back-reflection piece 6 of the first block is flushed with the bottom edge 54 of light guide plate 5, second block, 512 back-reflection piece
6 side is flush with a side of corresponding light guide plate 5, and first block, the 511 corresponding other side and second gear
The 512 corresponding other side of block offsets with a side of the reflector plate 6 and bottom edge 54 respectively.
The width of wherein described 511 and second vertical projection in light guide plate 5 of block 512 of first gear block is not less than
0.2mm。
In addition, second locating piece 52 includes the third block 522 and fourth gear block 521 that both ends are vertically connected, it is described
Third block 522 is flushed backwards to the side of the reflector plate 6 with a side of the light guide plate 5, the other side and the reflector plate 6
Another side offset, the side of 521 face reflector plate 6 of the fourth gear block is flushed with the top 55 of the light guide plate 5, described
The other side of fourth gear block 521 extends to outside the light guide plate 5.
Wherein, the width of vertical projection of the third block 522 on the light guide plate 5 is not less than 0.2mm.
Between first locating piece, 51 and second locating piece 52 being fastened on due to the reflector plate 6, the reflector plate 6
Two sides and bottom edge 54, and the side and bottom edge 54 of light guide plate 5 between have not less than 0.2mm empty avoiding area, in turn
It can make light that can not reflect into the brightness of light guide plate 5, two sides and bottom edge 54 at 54 empty avoiding of 6 two sides of reflector plate and bottom edge
Degree is substantially reduced, and ensure that two sides and bottom edge 54 are without bright border phenomenon after shining.
Further, it is additionally provided with third locating piece 53 on the light guide plate 5, the third locating piece 53 and described the
Two locating pieces, 52 structure is identical, and is arranged in the angle of the side and top 55 of guide-lighting 5 plate, and with the second locating piece 52
Symmetrically.
In addition, the backlight further includes backboard 1, glue frame 2, optical diaphragm 4, wherein the reflector plate 6 and light guide plate
5 are arranged on backboard 1, and optical diaphragm 4 is arranged close to the light-emitting surface of light guide plate 5, to be adjusted to light so that light
It uniformly projects, is supplied to display surface.
In the utility model, in the first locating piece 51 of diagonal upper setting of light guide plate 5 and the second locating piece 52, it will reflect
Piece 6 is fastened between first locating piece, 51 and second locating piece 52, is positioned to reflector plate 6, meanwhile, described first
Locating piece 51 and the second locating piece 52 are " L " shape structure, and the diagonal structure with reflector plate 6 matches, and reflector plate 6 is right
That answers is diagonally fixed, without changing the structure of reflector plate 6, you can the positioning for realizing reflector plate 6 is reflected with traditional change
The positioning method of 6 structure of piece produces difference.Meanwhile first block 511, the second block 512 and third block 522 are equal
In the light guide plate 5, the 4th light guide plate 5 is located at outside the light guide plate 5 so that 6 bottom edge 54 of reflector plate and
Two sides ensure that two sides and bottom edge 54 are without bright border phenomenon after shining there are empty avoiding area.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in
It is interior.
Claims (7)
1. a kind of backlight with reflector plate location structure, including light emitting source, light guide plate and setting are on the light guide plate
Reflector plate, which is characterized in that be additionally provided in the light guide plate and the matched one side of the reflector plate the first locating piece with
And second locating piece, first locating piece and the L-shaped structure of the second locating piece and set up pair in the light guide plate separately
On angle, the reflector plate card, which is set, to be sitting between the first locating piece and the second locating piece.
2. the backlight according to claim 1 with reflector plate location structure, which is characterized in that first locating piece
Including the first block and the second block that both ends are vertically connected, and the bottom edge of the side and light guide plate of the first block back-reflection piece
It flushes, the side of the second block back-reflection piece is flush with a side of corresponding light guide plate, and first block
The corresponding other side and the corresponding other side of the second block offset with a side of the reflector plate and bottom edge respectively.
3. the backlight according to claim 2 with reflector plate location structure, which is characterized in that first block with
And second block vertical projection in light guide plate width be not less than 0.2mm.
4. the backlight according to claim 3 with reflector plate location structure, which is characterized in that second locating piece
The third block and fourth gear block being vertically connected including both ends, the third block are led backwards to the side of the reflector plate with described
A side of tabula rasa flushes, and the other side and another side of the reflector plate offset, and the one of the fourth gear block face reflector plate
Side is flushed with the top of the light guide plate, and the other side of the fourth gear block extends to outside the light guide plate.
5. the backlight according to claim 4 with reflector plate location structure, which is characterized in that the third block exists
The width of vertical projection on the light guide plate is not less than 0.2mm.
6. the backlight according to claim 5 with reflector plate location structure, which is characterized in that on the light guide plate also
It is provided with third locating piece, the third locating piece is identical as second positioning block structure, and is arranged in the light guide plate
The angle of side and top, and it is symmetrical with the second locating piece.
7. the backlight according to claim 6 with reflector plate location structure, which is characterized in that the backlight also wraps
Backboard, glue frame, optical diaphragm are included, the reflector plate and light guide plate are arranged on backboard, and optical diaphragm is close to light guide plate
Light-emitting surface is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895883.2U CN207636895U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight with reflector plate location structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721895883.2U CN207636895U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight with reflector plate location structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636895U true CN207636895U (en) | 2018-07-20 |
Family
ID=62851496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721895883.2U Active CN207636895U (en) | 2017-12-29 | 2017-12-29 | A kind of backlight with reflector plate location structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207636895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227752A1 (en) * | 2020-05-13 | 2021-11-18 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2017
- 2017-12-29 CN CN201721895883.2U patent/CN207636895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227752A1 (en) * | 2020-05-13 | 2021-11-18 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US11747674B2 (en) | 2020-05-13 | 2023-09-05 | Beijing Boe Display Technology Co., Ltd. | Backlight module and display device |
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