CN104280813A - Bidirectional light guide plate and bidirectional light guide plate structure - Google Patents
Bidirectional light guide plate and bidirectional light guide plate structure Download PDFInfo
- Publication number
- CN104280813A CN104280813A CN201310284905.1A CN201310284905A CN104280813A CN 104280813 A CN104280813 A CN 104280813A CN 201310284905 A CN201310284905 A CN 201310284905A CN 104280813 A CN104280813 A CN 104280813A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- light
- conductive plate
- bidirectional light
- 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.)
- Pending
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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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
Abstract
The invention relates to a bidirectional light guide plate and a bidirectional light guide plate structure. The bidirectional light guide plate comprises a light guide plate body which is an extrusion plate, a plurality of concave lattice points are arranged on the surface of one side of the light guide plate body, the distribution density of the concave lattice points is gradually increased from the two ends to the middle of the light guide plate body, and the concave lattice points are symmetrically arranged and formed in a laser etching mode. Accordingly, the lighting effect and luminance uniformity of the bidirectional light guide plate are high, energy consumption is effectively saved, the structure is simple, the concave lattice points can not fall off, and product quality and performance are guaranteed; the production technology process is simple, production efficiency is high, cost is low, pollution is avoided, and environment sanitation is guaranteed; meanwhile, the sizes and the distribution densities of the concave lattice points formed in the laser etching mode are high in precision, and product yield is high; in addition, the bidirectional light guide plate structure comprising the bidirectional light guide plate overcomes the defects that an LED flat lamp is low in light effect conversion rate and uneven in lighting, and a lighting surface has dark spaces and bright borders.
Description
Technical field
The invention belongs to optical material technical field and lighting technical field, particularly a kind of two-way light conductive plate and two-way light conductive plate structure.
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 microstructure 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 thermal effect, 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 pointolite.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 luminescence 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 degree of 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, production efficiency is high, the two-way light conductive plate that cost is low and two-way light conductive plate structure.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of two-way light conductive plate, include light conducting plate body, described light conducting plate body is a slice stripper plate, one side surface is provided with some depression sites, 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, 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, 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.
A kind of two-way light conductive plate structure, includes described two-way light conductive plate and LED light source, and described LED light source is located at the less two ends of the described depression network point distribution arranging density of the light guide body of described two-way light conductive plate.
The invention has the beneficial effects as follows:
Two-way light conductive plate of the present invention to pass through the depression site increased progressively gradually by adopting stripper plate and being provided with density arranged evenly thereon, substantially increase light efficiency, effective saving energy consumption, brightness is very even, structure is very simple, and depression site production and application process also can not drop, product quality and performances are secure; And the technological process of production is simple, and production efficiency is high, and production number is few, production cost is low, pollution-free, and environmental health is secure, size and the density degree of accuracy arranged evenly of the depression site of laser-induced thermal etching are simultaneously high, further increase the acceptance rate of producing product.
In addition, two-way light conductive plate structure can reach the light efficiency of more than 93%, brightness uniformity, the light efficiency conversion ratio truly solving LED flat plate light fixture is on the low side, and non-uniform light, light-emitting area have dark space, have the critical defect of bright border etc., and structure is simple, stable performance, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of two-way light conductive plate embodiment of the present invention;
Fig. 2 is the partial enlargement structural representation of a kind of two-way light conductive plate embodiment of the present invention;
Fig. 3 is the structural representation of a kind of two-way light conductive plate constructive embodiment of the present invention.
Embodiment
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.
As shown in Figures 1 and 2:
A kind of two-way light conductive plate described in the embodiment of the present invention, 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, 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: 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 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 health is secure, size and the density degree of accuracy arranged evenly of the depression site 2 of laser-induced thermal etching are simultaneously high, further increase the acceptance rate of producing product.
As shown in Figure 3:
The invention provides a kind of two-way light conductive plate structure, include aforesaid two-way light conductive plate and LED light source 3, described LED light source 3 is located at the less two ends of depression site 2 density arranged evenly of the light guide body 1 of two-way light conductive plate.Like this, this two-way light conductive plate structure can reach the light efficiency of more than 93%, brightness uniformity, the light efficiency conversion ratio truly solving LED flat plate light fixture is on the low side, and non-uniform light, light-emitting area have dark space, have the critical defect of bright border etc., and structure is simple, stable performance, cost is low.
Certainly, two-way guiding device of the present invention can use on the products such as light fixture, LCD TV, liquid crystal display, mobile phone, panel computer, digital album (digital photo frame).
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 (5)
1. a two-way light conductive plate, 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), 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.
2. two-way light conductive plate according to claim 1, is characterized in that: described depression site (2) adopts laser-induced thermal etching mode to be made.
3. two-way light conductive plate according to claim 2, is characterized in that: described depression site (2) is sphere blind hole, and the size of each described depression site (2) is identical.
4. two-way light conductive plate according to claim 3, 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.
5. a two-way light conductive plate structure, it is characterized in that: include the two-way light conductive plate in Claims 1-4 described in any one and LED light source (3), described LED light source (3) is located at the less two ends of described depression site (2) density arranged evenly of the light guide body (1) of described two-way light conductive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284905.1A CN104280813A (en) | 2013-07-03 | 2013-07-03 | Bidirectional light guide plate and bidirectional light guide plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284905.1A CN104280813A (en) | 2013-07-03 | 2013-07-03 | Bidirectional light guide plate and bidirectional light guide plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104280813A true CN104280813A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284905.1A Pending CN104280813A (en) | 2013-07-03 | 2013-07-03 | Bidirectional light guide plate and bidirectional light guide plate structure |
Country Status (1)
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| CN (1) | CN104280813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
| CN113960711A (en) * | 2021-10-21 | 2022-01-21 | 合肥泰沃达智能装备有限公司 | Method for manufacturing light guide plate with double-sided structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570721A (en) * | 2003-07-26 | 2005-01-26 | 鸿富锦精密工业（深圳）有限公司 | Backlight source device |
| CN2898868Y (en) * | 2006-04-13 | 2007-05-09 | 张文得 | Light-conducting board of negative-light mould set for hot-pressing formed electronic display device |
| CN101165831A (en) * | 2006-10-20 | 2008-04-23 | 毅嘉科技股份有限公司 | Light conducting board structure manufacture method and key module possessing same |
| 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 |
| CN203385887U (en) * | 2013-07-03 | 2014-01-08 | 广东亿芯照明科技有限公司 | Bidirectional light guide plate, and bidirectional light guide plate structure |
-
2013
- 2013-07-03 CN CN201310284905.1A patent/CN104280813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570721A (en) * | 2003-07-26 | 2005-01-26 | 鸿富锦精密工业（深圳）有限公司 | Backlight source device |
| CN2898868Y (en) * | 2006-04-13 | 2007-05-09 | 张文得 | Light-conducting board of negative-light mould set for hot-pressing formed electronic display device |
| CN101165831A (en) * | 2006-10-20 | 2008-04-23 | 毅嘉科技股份有限公司 | Light conducting board structure manufacture method and key module possessing same |
| 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 |
| CN203385887U (en) * | 2013-07-03 | 2014-01-08 | 广东亿芯照明科技有限公司 | Bidirectional light guide plate, and bidirectional light guide plate structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
| CN113960711A (en) * | 2021-10-21 | 2022-01-21 | 合肥泰沃达智能装备有限公司 | Method for manufacturing light guide plate with double-sided structure |
| CN113960711B (en) * | 2021-10-21 | 2024-03-15 | 合肥泰沃达智能装备有限公司 | Manufacturing method of light guide plate with double-sided structure |
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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 |