CN104279512A - Light guide plate high in luminous efficiency and uniform in brightness - Google Patents
Light guide plate high in luminous efficiency and uniform in brightness Download PDFInfo
- Publication number
- CN104279512A CN104279512A CN201310284879.2A CN201310284879A CN104279512A CN 104279512 A CN104279512 A CN 104279512A CN 201310284879 A CN201310284879 A CN 201310284879A CN 104279512 A CN104279512 A CN 104279512A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- plate body
- site
- depression site
- 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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Classifications
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a light guide plate high in luminous efficiency and uniform in brightness. The light guide plate comprises a light guide plate body. The light guide plate body is an extrusion plate. A plurality of sunken net points are arranged on the surface of one side of the extrusion plate and manufactured in a laser etching mode. Moreover, the distribution and arrangement density, from one end to the other end of the light guide plate body, of the sunken net points is gradually increased. As the light guide plate is the extrusion plate, and the sunken net points are arranged on the extrusion plate in the laser etching mode, the luminous efficiency is high, the energy consumption is effectively reduced, the sunken net points do not fall off, and the product quality and the performance are guaranteed; the production process is simple, the production efficiency is high, the number of workers for production is small, the cost is low, pollution is avoided, and the environmental sanitation is guaranteed; meanwhile, the accuracy of the size and the distribution and arrangement density of the sunken net points etched through laser is extremely high, and the product yield is high; moreover, as the distribution and arrangement density, from one end to the other end of the light guide plate body, of the sunken net points is gradually increased, the brightness of the light guide plate is uniform, and the structure is simple.
Description
Technical field
The invention belongs to optical material technical field and lighting technical field, particularly the light guide plate of a kind of specular removal, brightness uniformity.
Background technology
LED flat plate light fixture is a kind of novel LED illumination lamp, using LED as illuminating source, its principle of luminosity is: LED light source enters light guide plate from the side and produces countless total reflection lights, to each angular spread when total reflection light runs into micro-structural site, produce refract light and scattered light, refract light and scattered light destroy conditioned reflex and are penetrated by light guide plate front, and make monoblock light guide plate panel launch evenly, the light of high brightness enters the eyes of people.Compared with traditional LED illumination lamp, have evenly photochromic, soft bright, without stroboscopic, without ultraviolet, infrared radiation, without fuel factor, high energy-conservation, without ring sound, free from glare, without mercury, lead contamination, without electromagnetic wave, not by radio interference, the life-span reaches 50000 hours with first-class advantage.It has overturned the luminescence technology of LED, is transformed to area source by common spot light.LED flat plate lighting is the main flow illuminating product of following LED indoor lighting of home and indoor public illumination.
The core of LED flat plate lighting is guide-lighting technology, in the energy-conservation of light fixture with quality, account for leading position, the bottleneck of guide-lighting technology of throwing light on, and seriously hinders the development of domestic Jin Youjijia plate lighting company; But, current planar lamp all adopts micarta to make light guide plate, and be provided with protruding positive round site by silk-screen mode in light guide plate surface, but the luminous efficiency of existing this light guide plate is (light efficiency is less than 80%) on the low side generally, and there is non-uniform light, defects such as occurring bright border or dark space, easily produce dust during making, pollute greatly and screen print lattice-point accuracy is low and easily drop.
Summary of the invention
For solving the above-mentioned problems in the prior art, the invention provides a kind of light efficiency high, brightness uniformity, energy-conserving and environment-protective, product quality and performances are secure, and acceptance rate is high, and Structure and energy flow process is simple, and production efficiency is high, the light guide plate that cost is low.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A light guide plate for specular removal, brightness uniformity, includes light conducting plate body, and described light conducting plate body is a slice stripper plate, and one side surface is provided with some depression sites, and described depression site adopts laser-induced thermal etching mode to be made.
Further, described depression site is sphere blind hole, and the size of each described depression site is identical.
Further, described light guide plate is unidirectional tabula rasa, and the arranged evenly rule of described depression site in described light conducting plate body is: described depression site increases progressively from one end of described light conducting plate body gradually to the density that the other end is arranged evenly.
Further, the aperture of described depression site is 0.15mm ~ 0.40mm, and the spacing between described depression site is successively decreased gradually from one end of described light conducting plate body to the other end within the scope of 0.90mm ~ 0.68mm.
Further, described light guide plate is two-way light conductive plate, and the arranged evenly rule of described depression site in described light conducting plate body is: the density that described depression site arranges from the two ends of described light conducting plate body toward intermediate distribution increases progressively gradually, and symmetrically.
Further, the aperture of described depression site is 0.15mm ~ 0.40mm, and the spacing between described depression site is successively decreased gradually from the two ends of described light conducting plate body to centre within the scope of 0.88mm ~ 0.70mm.
The invention has the beneficial effects as follows:
The light guide plate of specular removal of the present invention, brightness uniformity is by adopting stripper plate and adopting laser-induced thermal etching mode to arrange depression site thereon, light efficiency can be substantially increased, effective saving energy consumption, also can not drop in production and application process in depression site, product quality and performances are secure; And the technological process of production is simple, production efficiency is high, and production number is few, production cost is low, pollution-free, and environmental sanitation is secure, size and the density accuracy arranged evenly of the depression site of laser-induced thermal etching are simultaneously high, further increase the acceptance rate of producing product; And the network point distribution that caves in arranging density increases progressively from light conducting plate body one end gradually to the other end, or the density arranged from the two ends of described light conducting plate body toward intermediate distribution increases progressively gradually, and symmetrically, make the brightness of light guide plate very even, structure is also very simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of light guide plate embodiment one of a kind of specular removal of the present invention, brightness uniformity;
Fig. 2 is the partial enlargement structural representation of light guide plate embodiment one of a kind of specular removal of the present invention, brightness uniformity;
Fig. 3 is the structural representation of light guide plate embodiment two of a kind of specular removal of the present invention, brightness uniformity;
Fig. 4 is the partial enlargement structural representation of light guide plate embodiment two of a kind of specular removal of the present invention, brightness uniformity.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one:
As shown in Figures 1 and 2, a kind of specular removal described in the embodiment of the present invention, the light guide plate of brightness uniformity are unidirectional tabula rasas, include light conducting plate body 1, described light conducting plate body 1 is a slice stripper plate, thickness is 5mm, one side surface is provided with some depression sites 2, and the arranged evenly rule of described depression site 2 in light conducting plate body 1 is: described depression site 2 increases progressively from one end of light conducting plate body 1 gradually to the density that the other end is arranged evenly; Be specifically as follows: described depression site 2 adopts laser-induced thermal etching mode to be made, it is sphere blind hole, and the size of each depression site 2 is identical, its aperture is 0.15mm ~ 0.40mm, and the spacing between described depression site 2 is successively decreased gradually from one end of light conducting plate body 1 to the other end within the scope of 0.90mm ~ 0.68mm.
Below two experimental results of unidirectional tabula rasa of the present invention, specific as follows:
Experiment one: when mainly adopting 80W light source with the unidirectional tabula rasa of 300 × 1200 × 4mm, by from left to right, order measures briliancy as table one from top to bottom.
Table one (measurement luminance values)
Experiment two: when mainly adopting 40W light source with the unidirectional tabula rasa of 300 × 1200 × 4mm, by from left to right, order measures briliancy as table two from top to bottom.
Table two (measurement luminance values)
As can be seen from above-mentioned two experiments, the light guide plate of specular removal of the present invention, brightness uniformity to pass through the depression site 2 increased progressively gradually by adopting stripper plate and being provided with density arranged evenly thereon, substantially increase light efficiency (up to more than 93%), effective saving energy consumption, brightness is very even, structure is very simple, and depression site 2 production and application process also can not drop, and product quality and performances are secure; In addition, during making only need to stripper plate cut rear directly put into laser etching machine complete depression site 2 process, the technological process of production is simple, and production efficiency is high, and production number is few, production cost is low, and stripper plate can not produce any dust in the process of cutting, pollution-free, environmental sanitation is secure, size and the density accuracy arranged evenly of the depression site 2 of laser-induced thermal etching are simultaneously high, further increase the acceptance rate of producing product.
Embodiment two:
As shown in Figures 3 and 4, a kind of specular removal described in the embodiment of the present invention, the light guide plate of brightness uniformity are two-way light conductive plates, its structure is substantially identical with embodiment one, include light conducting plate body 1, described light conducting plate body 1 is a slice stripper plate, and thickness is 5mm, one side surface is provided with some depression sites 2, described depression site 2 adopts laser-induced thermal etching mode to be made, and is sphere blind hole, and the size of each depression site 2 is identical; Its difference is only: the arranged evenly rule of described depression site 2 in light conducting plate body 1 is: the density that described depression site 2 arranges from the two ends of light conducting plate body 1 toward intermediate distribution increases progressively gradually, and symmetrically; Be specifically as follows: the aperture of described depression site 2 is 0.15mm ~ 0.40mm, and the spacing between described depression site 2 is successively decreased gradually from the two ends of light conducting plate body 1 to centre within the scope of 0.88mm ~ 0.70mm, the depression site 2 that one end of light conducting plate body 1 arranges toward the depression site 2 that intermediate distribution arranges and the other end of light conducting plate body 1 toward intermediate distribution is symmetrical.
Below two experimental results of two-way light conductive plate of the present invention, specific as follows:
Experiment one: time mainly with the two-way light conductive plate of 300 × 1200 × 4mm employing 80W light source, by from left to right, order measures briliancy as table one from top to bottom.
Table one (measurement luminance values)
Experiment two: time mainly with the two-way light conductive plate of 300 × 1200 × 4mm employing 40W light source, by from left to right, order measures briliancy as table two from top to bottom.
Table two (measurement luminance values)
As can be seen from above-mentioned two experiments, two-way light conductive plate of the present invention increases progressively and symmetrical depression site 2 from two ends toward middle gradually by adopting stripper plate and being provided with density arranged evenly thereon, substantially increase light efficiency (up to more than 93%), effective saving energy consumption, brightness is very even, structure is very simple, and depression site 2 production and application process also can not drop, and product quality and performances are secure; In addition, during making only need to stripper plate cut rear directly put into laser etching machine complete depression site 2 process, the technological process of production is simple, and production efficiency is high, and production number is few, production cost is low, and stripper plate can not produce any dust in the process of cutting, pollution-free, environmental sanitation is secure, size and the density accuracy arranged evenly of the depression site 2 of laser-induced thermal etching are simultaneously high, further increase the acceptance rate of producing product.
Certainly, the light guide plate of specular removal of the present invention, brightness uniformity can use on the products such as light fixture, LCD TV, liquid crystal display, mobile phone, panel computer, DPF.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. the light guide plate of a specular removal, brightness uniformity, include light conducting plate body (1), it is characterized in that: described light conducting plate body (1) is a slice stripper plate, one side surface is provided with some depression sites (2), and described depression site (2) adopts laser-induced thermal etching mode to be made.
2. the light guide plate of specular removal according to claim 1, brightness uniformity, is characterized in that: described depression site (2) is sphere blind hole, and the size of each described depression site (2) is identical.
3. the light guide plate of specular removal according to claim 1 and 2, brightness uniformity, it is characterized in that: described light guide plate is unidirectional tabula rasa, the arranged evenly rule of described depression site (2) in described light conducting plate body (1) is: described depression site (2) increases progressively from one end of described light conducting plate body (1) gradually to the density that the other end is arranged evenly.
4. the light guide plate of specular removal according to claim 3, brightness uniformity, it is characterized in that: the aperture of described depression site (2) is 0.15mm ~ 0.40mm, and the spacing between described depression site (2) is successively decreased gradually from one end of described light conducting plate body (1) to the other end within the scope of 0.90mm ~ 0.68mm.
5. the light guide plate of specular removal according to claim 1 and 2, brightness uniformity, it is characterized in that: described light guide plate is two-way light conductive plate, the arranged evenly rule of described depression site (2) in described light conducting plate body (1) is: the density that described depression site (2) arranges from the two ends of described light conducting plate body (1) toward intermediate distribution increases progressively gradually, and symmetrically.
6. the light guide plate of specular removal according to claim 5, brightness uniformity, it is characterized in that: the aperture of described depression site (2) is 0.15mm ~ 0.40mm, and the spacing between described depression site (2) is successively decreased gradually from the two ends of described light conducting plate body (1) to centre within the scope of 0.88mm ~ 0.70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284879.2A CN104279512A (en) | 2013-07-03 | 2013-07-03 | Light guide plate high in luminous efficiency and uniform in brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284879.2A CN104279512A (en) | 2013-07-03 | 2013-07-03 | Light guide plate high in luminous efficiency and uniform in brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104279512A true CN104279512A (en) | 2015-01-14 |
Family
ID=52254669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284879.2A Pending CN104279512A (en) | 2013-07-03 | 2013-07-03 | Light guide plate high in luminous efficiency and uniform in brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279512A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037529A (en) * | 2017-05-18 | 2017-08-11 | 东莞市银特丰光学玻璃科技有限公司 | A kind of bend glass light guide plate preparation method |
| CN107671421A (en) * | 2017-11-20 | 2018-02-09 | 苏州川普光电有限公司 | A kind of laser processing technology of light guide plate mesh point |
| CN108571105A (en) * | 2017-03-11 | 2018-09-25 | 长沙巨星轻质建材股份有限公司 | A kind of battenboard |
| CN108571086A (en) * | 2017-03-11 | 2018-09-25 | 长沙巨星轻质建材股份有限公司 | A kind of extruded sheet |
| CN104991304B (en) * | 2015-06-25 | 2019-02-22 | 东莞轩朗实业有限公司 | Light guide plate, ink and inkjet printing method for manufacturing light guide plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11202331A (en) * | 1998-01-20 | 1999-07-30 | Starlite Co Ltd | Light guide plate |
| CN102062890A (en) * | 2010-11-01 | 2011-05-18 | 东莞市银燕塑料容器有限公司 | Dot light guide plate and manufacturing method thereof |
| CN202813226U (en) * | 2012-08-23 | 2013-03-20 | 广东日美光电科技有限公司 | Flexible light-emitting diode (LED) light guide plate |
| TW201319643A (en) * | 2011-11-14 | 2013-05-16 | Hon Hai Prec Ind Co Ltd | Light-guide plate |
| CN203384889U (en) * | 2013-07-03 | 2014-01-08 | 广东亿芯照明科技有限公司 | Light guide plate with high luminous efficiency and uniform brightness |
-
2013
- 2013-07-03 CN CN201310284879.2A patent/CN104279512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11202331A (en) * | 1998-01-20 | 1999-07-30 | Starlite Co Ltd | Light guide plate |
| CN102062890A (en) * | 2010-11-01 | 2011-05-18 | 东莞市银燕塑料容器有限公司 | Dot light guide plate and manufacturing method thereof |
| TW201319643A (en) * | 2011-11-14 | 2013-05-16 | Hon Hai Prec Ind Co Ltd | Light-guide plate |
| CN202813226U (en) * | 2012-08-23 | 2013-03-20 | 广东日美光电科技有限公司 | Flexible light-emitting diode (LED) light guide plate |
| CN203384889U (en) * | 2013-07-03 | 2014-01-08 | 广东亿芯照明科技有限公司 | Light guide plate with high luminous efficiency and uniform brightness |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991304B (en) * | 2015-06-25 | 2019-02-22 | 东莞轩朗实业有限公司 | Light guide plate, ink and inkjet printing method for manufacturing light guide plate |
| CN108571105A (en) * | 2017-03-11 | 2018-09-25 | 长沙巨星轻质建材股份有限公司 | A kind of battenboard |
| CN108571086A (en) * | 2017-03-11 | 2018-09-25 | 长沙巨星轻质建材股份有限公司 | A kind of extruded sheet |
| CN107037529A (en) * | 2017-05-18 | 2017-08-11 | 东莞市银特丰光学玻璃科技有限公司 | A kind of bend glass light guide plate preparation method |
| CN107037529B (en) * | 2017-05-18 | 2019-09-27 | 东莞市银泰丰光学科技有限公司 | A kind of bend glass light guide plate preparation method |
| CN107671421A (en) * | 2017-11-20 | 2018-02-09 | 苏州川普光电有限公司 | A kind of laser processing technology of light guide plate mesh point |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150114 |