CN203385887U - Bidirectional light guide plate, and bidirectional light guide plate structure - Google Patents

Bidirectional light guide plate, and bidirectional light guide plate structure Download PDF

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Publication number
CN203385887U
CN203385887U CN201320403520.8U CN201320403520U CN203385887U CN 203385887 U CN203385887 U CN 203385887U CN 201320403520 U CN201320403520 U CN 201320403520U CN 203385887 U CN203385887 U CN 203385887U
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China
Prior art keywords
guide plate
light guide
light
plate body
conductive plate
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Expired - Fee Related
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CN201320403520.8U
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Chinese (zh)
Inventor
姜德海
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GUANGDONG ESUN LED TECHNOLOGY Co Ltd
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GUANGDONG ESUN LED TECHNOLOGY Co Ltd
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  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The utility model 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. The light guide plate body is a piece of extrusion plate. One side surface of the light guide plate body is provided with a plurality of recessed lattice points, wherein the distributed arrangement density of the recessed lattice points from two ends of the light guide plate body to the middle portion is increased gradually and is symmetrical, and the recessed lattice points are formed by adopting a laser etching method. In this way, the bidirectional light guide plate has advantages of good luminous efficacy and good luminance uniformity, the energy consumption can be effectively reduced, the structure is simple, and the recessed lattice points will not be dropped, and the product quality and performance can be ensured. Moreover, advantages of simple production technology process, high production efficiency, low cost and no pollution can be realized, the environmental health can be ensured, and at the same time, the size and the distributed arrangement density of the recessed lattice points formed through laser etching are quite accurate, and the advantages of high product yield can be realized. Additionally, the bidirectional light guide plate structure adopting the bidirectional light guide plate can be used to solve critical defects, such as low LED flat lamp luminous efficacy conversion rate, nonuniform light emission, etc., and the critical defect that dark region and bright borders exist on the luminous surface.

Description

A kind of two-way light conductive plate and two-way light conductive plate structure
Technical field
The utility model 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
The LED planar lamp is a kind of novel LED lighting, using LED as illuminating source, its principle of luminosity is: LED light source enters from the side light guide plate and produces countless total reflection lights, when total reflection light runs into the microstructure site to each angular spread, produce refract light and scattered light, refract light and scattered light destroy conditioned reflex and penetrate by light guide plate is positive, and monoblock light guide plate panel is launched evenly, and the light of high brightness enters people's eyes.With traditional LED lighting, compare, have photochromic evenly, soft bright, without stroboscopic, without ultraviolet ray, infrared radiation, without thermal effect, high energy-conservation, without the ring sound, free from glare, without mercury, lead contamination, without electromagnetic wave, be not subject to radio interference, life-span to reach 50000 hours with first-class advantage.It has overturned the luminescence technology of LED, by common pointolite, has been transformed into area source.LED plate lighting light fixture is the main flow illuminating product of following LED indoor furniture illumination and indoor public illumination.
The core of LED plate lighting light fixture is the leaded light technology, in the energy-conservation and quality of light fixture, accounts for leading position, and the bottleneck of illumination leaded light technology, seriously hindered the domestic development that several plate lighting companies are only arranged; Yet, planar lamp all adopts micarta to make light guide plate at present, and by the silk-screen mode, on the light guide plate surface, be provided with the projection positive cylinder point, 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 a non-uniform light, bright border or dark space occur, easily produce dust during making, pollute the large and defect such as the screen print lattice-point degree of accuracy is low and easily drop.
The utility model content
For solving the above-mentioned problems in the prior art, the utility model provides a kind of light efficiency high, and brightness is even, energy-conserving and environment-protective, product quality and performances are secure, and acceptance rate is high, and structure and technological process are simple, and 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 utility model 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, the one side surface is provided with some depressions site, the arranged evenly rule of described depression site on described light conducting plate body is: the density that arrange toward intermediate distribution from the two ends of described light conducting plate body described depression site increases progressively gradually, and symmetrically.
Further, described depression site adopts the laser-induced thermal etching mode to be made.
Further, described depression site is the 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 to centre from the two ends of described light conducting plate body in 0.88mm~0.70mm scope.
A kind of two-way light conductive plate structure, include described two-way light conductive plate and LED light source, and described LED light source is located at the less two ends of described depression network point distribution arranging density of the light conducting plate body of described two-way light conductive plate.
The beneficial effects of the utility model are:
Two-way light conductive plate of the present utility model is by adopting stripper plate and being provided with the depression site that density arranged evenly passes through and increases progressively gradually thereon, greatly improved light efficiency, effectively save energy consumption, brightness is very even, structure is very simple, and depression site production and application process can not drop yet, and product quality and performances are secure; And the technological process of production is simple, production efficiency is high, and the 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 simultaneously are high, have further improved the acceptance rate of producing product.
In addition, the two-way light conductive plate structure can reach the light efficiency more than 93%, and brightness is even, the light efficiency conversion ratio that has truly solved the LED planar lamp is on the low side, and non-uniform light, light-emitting area have dark space, the critical defect of bright border etc. is arranged, and simple in structure, stable performance, cost is low.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of two-way light conductive plate embodiment described in the utility model;
Fig. 2 is the local structure for amplifying schematic diagram of a kind of two-way light conductive plate embodiment described in the utility model;
Fig. 3 is the structural representation of a kind of two-way light conductive plate structure embodiment described in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 and 2:
The described a kind of two-way light conductive plate of the utility model embodiment, include light conducting plate body 1, described light conducting plate body 1 is a slice stripper plate, thickness is 5mm, the one side surface is provided with some depressions site 2, the arranged evenly rule of described depression site 2 on light conducting plate body 1 is: the density that arrange toward intermediate distribution from the two ends of light conducting plate body 1 described depression site 2 increases progressively gradually, and symmetrically; Be specifically as follows: described depression site 2 adopts the laser-induced thermal etching mode to be made, it is the 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 to centre from the two ends of light conducting plate body 1 in 0.88mm~0.70mm scope, the depression site 2 that an end of light conducting plate body 1 is arranged toward intermediate distribution is symmetrical with the depression site 2 that the other end of light conducting plate body 1 is arranged toward intermediate distribution.
Be below two experimental results of two-way light conductive plate described in the utility model, specific as follows:
Experiment one: while mainly with the two-way light conductive plate of 300 * 1200 * 4mm, adopting the 80W light source, by from left to right, order measures briliancy as table one from top to bottom.
Table one (measuring briliancy numerical value)
Experiment two: while mainly with the two-way light conductive plate of 300 * 1200 * 4mm, adopting the 40W light source, by from left to right, order measures briliancy as table two from top to bottom.
Table two (measuring briliancy numerical value)
Figure BSA00000922588300041
From above-mentioned two experiments, can find out, two-way light conductive plate described in the utility model 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, greatly improved light efficiency (up to more than 93%), effectively save energy consumption, brightness is very even, structure is very simple, and depression site 2 production and application processes can not drop yet, and product quality and performances are secure; In addition, only need be cut the rear laser etching machine of directly putting into to stripper plate during making completes the processing of depression site 2 and gets final product, the technological process of production is simple, and production efficiency is high, and the production number is few, production cost is low, and stripper plate can not produce any dust cutting process, 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 simultaneously are high, have further improved the acceptance rate of producing product.
As shown in Figure 3:
The utility model provides a kind of two-way light conductive plate structure, includes aforesaid two-way light conductive plate and LED light source 3, and described LED light source 3 is located at the less two ends of density arranged evenly, depression site 2 of the light conducting plate body 1 of two-way light conductive plate.Like this, this two-way light conductive plate structure can reach the light efficiency more than 93%, and brightness is even, the light efficiency conversion ratio that has truly solved the LED planar lamp is on the low side, and non-uniform light, light-emitting area have dark space, the critical defect of bright border etc. is arranged, and simple in structure, stable performance, cost is low.
Certainly, two-way guiding device described in the utility model can be used on the products such as light fixture, LCD TV, liquid crystal display, mobile phone, panel computer, digital album (digital photo frame).
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.

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, the one side surface is provided with some depressions site (2), the arranged evenly rule of described depression site (2) on described light conducting plate body (1) is: the density that arrange toward intermediate distribution from the two ends of described light conducting plate body (1) described depression site (2) increases progressively gradually, and symmetrically.
2. two-way light conductive plate according to claim 1 is characterized in that: described depression site (2) adopts the laser-induced thermal etching mode to be made.
3. two-way light conductive plate according to claim 2, it is characterized in that: described depression site (2) is the 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 to middle from the two ends of described light conducting plate body (1) in 0.88mm~0.70mm scope.
5. a two-way light conductive plate structure, it is characterized in that: include any one described two-way light conductive plate and LED light source (3) in claim 1 to 4, described LED light source (3) is located at the less two ends of density arranged evenly, described depression site (2) of the light conducting plate body (1) of described two-way light conductive plate.
CN201320403520.8U 2013-07-03 2013-07-03 Bidirectional light guide plate, and bidirectional light guide plate structure Expired - Fee Related CN203385887U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104280813A (en) * 2013-07-03 2015-01-14 广东亿芯照明科技有限公司 Bidirectional light guide plate and bidirectional light guide plate structure
US10900657B2 (en) 2017-08-01 2021-01-26 Technical Consumer Products, Inc. Edge-lit light fixture having capabilities for a secondary service

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104280813A (en) * 2013-07-03 2015-01-14 广东亿芯照明科技有限公司 Bidirectional light guide plate and bidirectional light guide plate structure
US10900657B2 (en) 2017-08-01 2021-01-26 Technical Consumer Products, Inc. Edge-lit light fixture having capabilities for a secondary service

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20180703

CF01 Termination of patent right due to non-payment of annual fee