CN109307904B - Backlight light guide plate with mesh points - Google Patents
Backlight light guide plate with mesh points Download PDFInfo
- Publication number
- CN109307904B CN109307904B CN201710632972.6A CN201710632972A CN109307904B CN 109307904 B CN109307904 B CN 109307904B CN 201710632972 A CN201710632972 A CN 201710632972A CN 109307904 B CN109307904 B CN 109307904B
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- CN
- China
- Prior art keywords
- plate
- light
- adjusting
- reflecting
- hole
- 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.)
- Expired - Fee Related
Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 238000005282 brightening Methods 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001795 light effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight light guide plate with lattice points, which comprises a light inlet plate and a light outlet plate, wherein the light inlet plate and the light outlet plate are arranged in parallel, the two sides of the light inlet plate and the light outlet plate are both provided with side reflecting plates which are vertically arranged, one side of each side reflecting plate, which is close to the light inlet plate, is provided with a first inclined reflecting plate, one side of each side reflecting plate, which is close to the light outlet plate, is provided with a second inclined reflecting plate, the light incoming plate, the first oblique reflecting plate, the side reflecting plate, the second oblique reflecting plate and the light outgoing plate are of an integrated structure, wherein a single-face reflecting plate is fixedly arranged between the inner walls of the two side reflecting plates close to one side of the light inlet plate, a diffusion plate is arranged between the inner walls of the two side reflecting plates close to one side of the light outlet plate, a brightening plate is also arranged between the single-face reflecting plate and the diffusion plate, and the single-face reflecting plate, the brightening plate and the diffusion plate are arranged in parallel, and connecting blocks are arranged on two sides of the brightening plate and two sides of the diffusion plate. The LED lamp has a good light guide effect, is convenient for adjusting the angle of light, and is convenient to use.
Description
Technical Field
The invention relates to the technical field of light guide plates, in particular to a backlight light guide plate with mesh points.
Background
Traditional backlight light guide plate location and light effect are not good, and will be higher and higher to the structural requirement and the effect requirement of backlight in the market, along with the rapid development of backlight technique, the whole luminous effect and the performance requirement of backlight will be higher and higher.
Most of the existing backlight light guide plates can not effectively utilize light rays, can not enhance and diffuse the light rays, and are poor in light guide effect.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a backlight light guide plate with screen dots.
The invention provides a backlight light guide plate with lattice points, which comprises a light inlet plate and a light outlet plate, wherein the light inlet plate and the light outlet plate are arranged in parallel, side reflecting plates which are vertically arranged are arranged on two sides of the light inlet plate and the light outlet plate, a first inclined reflecting plate is arranged on one side of the side reflecting plate close to the light inlet plate, a second inclined reflecting plate is arranged on one side of the side reflecting plate close to the light outlet plate, the light inlet plate, the first inclined reflecting plate, the side reflecting plates, the second inclined reflecting plate and the light outlet plate are of an integrated structure, a single-sided reflecting plate is fixedly arranged between the inner walls of the two side reflecting plates close to one side of the light inlet plate, a diffusion plate is arranged between the inner walls of the two side reflecting plates close to one side of the light outlet plate, a brightening plate is also arranged between the single-sided reflecting plate and the diffusion plate, the single-sided reflecting plate, the brightening plate and the, the light source device comprises a side reflection plate, a through hole is formed in the side reflection plate, an adjusting plate is arranged in the through hole, one end of the adjusting plate extends to the side reflection plate through the through hole and is far away from one side of the light inlet plate and the light outlet plate, an adjusting hole is formed in the adjusting plate, an adjusting groove is formed in one side, far away from the side reflection plate, of the adjusting plate and is communicated with the adjusting hole, two adjusting columns which are vertically arranged are arranged in the adjusting groove and are fixedly connected with a connecting block, clamping grooves are formed in inner walls of two sides of the adjusting groove, reflection coatings are arranged in the clamping grooves and are located on two sides of the adjusting hole and cover the through hole, one end of the connecting block sequentially extends into the adjusting groove through the through hole and the adjusting hole, and the connecting block.
Preferably, the adjusting column is provided with an anti-skid thread and is connected with the outer side wall of the reflecting coating in a sliding manner.
Preferably, the brightness enhancing plate is used to enhance the brightness of light.
Preferably, the diffusion plate is used for adjusting the angle of light.
According to the backlight source light guide plate with the mesh points, the angle of light rays can be conveniently adjusted by adjusting the brightening plate and the diffusion plate on the adjusting columns; can effectively reflect light through the diffuser plate, reach the purpose of make full use of light, can carry out the blast diffusion to light through blast board and diffuser plate, improve the leaded light effect, cooperate the single face reflecting plate to prevent to go into the leading-in light backreflection of light board simultaneously, further reach the purpose of make full use of light. The LED lamp has a good light guide effect, is convenient for adjusting the angle of light, and has the advantages of simple structure, convenience in use and low cost.
Drawings
Fig. 1 is a schematic view of a profile structure of a backlight light guide plate with dots according to the present invention;
FIG. 2 is a schematic structural diagram of a side reflector of a backlight light guide plate with dots according to the present invention;
FIG. 3 is a schematic rear view of an adjusting plate of a backlight light guide plate with dots according to the present invention;
fig. 4 is a schematic front view of an adjusting plate of a backlight light guide plate with dots according to the present invention.
In the figure: 1 light-in plate, 2 first oblique reflecting plates, 3 side reflecting plates, 4 second oblique reflecting plates, 5 light-out plates, 6 single-sided reflecting plates, 7 brightness enhancement plates, 8 diffusion plates, 9 adjusting plates, 10 through holes, 11 adjusting grooves, 12 adjusting holes, 13 reflecting coatings and 14 adjusting columns.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-4, this embodiment provides a backlight light guide plate with dots, which includes an incident plate 1 and an emergent plate 5, where the incident plate 1 and the emergent plate 5 are arranged in parallel, two sides of the incident plate 1 and the emergent plate 5 are both provided with side reflectors 3 arranged vertically, one side of the side reflector 3 close to the incident plate 1 is provided with a first oblique reflector 2, one side of the side reflector 3 close to the emergent plate 5 is provided with a second oblique reflector 4, and the incident plate 1, the first oblique reflector 2, the side reflector 3, the second oblique reflector 4 and the emergent plate 5 are of an integrated structure, where a single-sided reflector 6 is fixedly installed between inner walls of the two side reflectors 3 close to one side of the incident plate 1, a diffuser plate 8 is installed between inner walls of the two side reflectors 3 close to one side of the emergent plate 5, a brightness enhancement plate 7 is also installed between the single-sided reflector 6 and the diffuser plate 8, and the single-sided reflector 6, Brightening board 7 and diffuser plate 8 parallel arrangement each other, brightening board 7 and diffuser plate 8's both sides all are equipped with the connecting block, through-hole 10 has been seted up on the side reflecting plate 3, be equipped with regulating plate 9 in the through-hole 10, and the one end of regulating plate 9 extends to one side that the side reflecting plate 3 kept away from into worn-out fur 1 and light-emitting board 5 through-hole 10, be equipped with regulation hole 12 on the regulating plate 9, one side that the side reflecting plate 3 was kept away from to regulating plate 9 is equipped with adjustment tank 11, and adjustment tank 11 is linked together with regulation hole 12, be equipped with two vertical regulation posts 14 of arranging in the adjustment tank 11, and adjust post.
All be equipped with the draw-in groove on the both sides inner wall of adjustment tank 11, be equipped with reflective coating 13 in the draw-in groove, wherein two reflective coating 13 are located the both sides of regulation hole 12, and reflective coating 13 covers through-hole 10, the one end of connecting block loops through-hole 10 and regulation hole 12 and extends to in the adjustment tank 11, and the connecting block respectively with the inner wall sliding connection of through-hole 10 and regulation hole 12, be equipped with anti-skidding screw thread on the regulation post 14, and adjust post 14 and reflective coating 13's lateral wall sliding connection, blast board 7 is used for the luminance of reinforcing light, diffuser plate 8 is used for adjusting the angle of setting a light.
In the embodiment, light enters from the light incident plate 1, sequentially passes through the single-sided reflecting plate 6, the brightening plate 7 and the diffusion plate 8, and finally exits from the light emergent plate 5, and the angle of the light is conveniently adjusted by adjusting the brightening plate 7 and the diffusion plate 8 through the adjusting column 14; can effectively reflect light through diffuser plate 8, reach the purpose of make full use of light, can carry out the blast diffusion to light through blast board 7 and diffuser plate 8, improve the leaded light effect, cooperate single face reflecting plate 6 to prevent into the leading-in light backreflection of worn-out fur 1 simultaneously, further reach the purpose of make full use of light.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A backlight light guide plate with mesh points comprises a light inlet plate (1) and a light outlet plate (5), and is characterized in that the light inlet plate (1) and the light outlet plate (5) are arranged in parallel, side reflecting plates (3) which are vertically arranged are arranged on two sides of the light inlet plate (1) and the light outlet plate (5), a first oblique reflecting plate (2) is arranged on one side, close to the light inlet plate (1), of each side reflecting plate (3), a second oblique reflecting plate (4) is arranged on one side, close to the light outlet plate (5), of each side reflecting plate (3), the light inlet plate (1), the first oblique reflecting plates (2), the side reflecting plates (3), the second oblique reflecting plates (4) and the light outlet plate (5) are of an integrated structure, a single-face reflecting plate (6) is fixedly arranged between inner walls, close to one side of the light inlet plate (1), of the two side reflecting plates (3), and a diffusion plate (8) is arranged between inner walls, close to one side of the light outlet plate (5), a brightening plate (7) is further arranged between the single-face reflecting plate (6) and the diffusion plate (8), the single-face reflecting plate (6), the brightening plate (7) and the diffusion plate (8) are arranged in parallel, connecting blocks are arranged on two sides of the brightening plate (7) and the diffusion plate (8), a through hole (10) is formed in the side reflecting plate (3), an adjusting plate (9) is arranged in the through hole (10), one end of the adjusting plate (9) extends to one side, away from the light inlet plate (1) and the light outlet plate (5), of the side reflecting plate (3) through the through hole (10), an adjusting hole (12) is formed in the adjusting plate (9), an adjusting groove (11) is formed in one side, away from the side reflecting plate (3), of the adjusting plate (9), the adjusting groove (11) is communicated with the adjusting hole (12), two adjusting columns (14) which are vertically arranged are arranged in the adjusting groove (11), and the adjusting columns (14) are fixedly connected, all be equipped with the draw-in groove on the both sides inner wall of adjustment tank (11), be equipped with reflective coating (13) in the draw-in groove, wherein two reflective coating (13) are located the both sides of regulation hole (12), and reflective coating (13) cover through-hole (10), the one end of connecting block loops through in through-hole (10) and regulation hole (12) extend to adjustment tank (11), and the connecting block respectively with the inner wall sliding connection of through-hole (10) and regulation hole (12).
2. A backlight guide plate with mesh points according to claim 1, wherein the adjusting posts (14) are provided with anti-slip threads, and the adjusting posts (14) are slidably connected with the outer side wall of the reflective coating (13).
3. A screen-dot backlight guide plate according to claim 1, wherein the brightness enhancement plate (7) is used to enhance the brightness of light.
4. A dot-carrying backlight guide plate according to claim 1, wherein the diffuser plate (8) is used for adjusting the angle of light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632972.6A CN109307904B (en) | 2017-07-28 | 2017-07-28 | Backlight light guide plate with mesh points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632972.6A CN109307904B (en) | 2017-07-28 | 2017-07-28 | Backlight light guide plate with mesh points |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109307904A CN109307904A (en) | 2019-02-05 |
| CN109307904B true CN109307904B (en) | 2020-09-25 |
Family
ID=65207392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710632972.6A Expired - Fee Related CN109307904B (en) | 2017-07-28 | 2017-07-28 | Backlight light guide plate with mesh points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109307904B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202256752U (en) * | 2011-09-28 | 2012-05-30 | 北京京东方光电科技有限公司 | Light guide plate and backlight module |
| CN106772774A (en) * | 2017-01-17 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of adjustable light guide plate of light transmittance |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08255504A (en) * | 1995-01-19 | 1996-10-01 | Nissha Printing Co Ltd | Surface light emission device |
| JPH1152379A (en) * | 1997-06-06 | 1999-02-26 | Toshiba Corp | Surface light source device and flat display device using the same |
| CN101655635B (en) * | 2008-08-19 | 2011-06-01 | 北京京东方光电科技有限公司 | Light guide device |
| CN202972787U (en) * | 2012-11-21 | 2013-06-05 | 深圳市瀚达美电子有限公司 | Novel energy-saving 9-inch LED (Light Emitting Diode) backlight module |
| CN203036386U (en) * | 2012-11-28 | 2013-07-03 | 彩虹集团公司 | Light-emitting diode (LED) backlight |
-
2017
- 2017-07-28 CN CN201710632972.6A patent/CN109307904B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202256752U (en) * | 2011-09-28 | 2012-05-30 | 北京京东方光电科技有限公司 | Light guide plate and backlight module |
| CN106772774A (en) * | 2017-01-17 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of adjustable light guide plate of light transmittance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109307904A (en) | 2019-02-05 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |