CN103148450B - Optical diffusion plate for LED (Light Emitting Diode) lamp - Google Patents
Optical diffusion plate for LED (Light Emitting Diode) lamp Download PDFInfo
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- CN103148450B CN103148450B CN201310102874.3A CN201310102874A CN103148450B CN 103148450 B CN103148450 B CN 103148450B CN 201310102874 A CN201310102874 A CN 201310102874A CN 103148450 B CN103148450 B CN 103148450B
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Abstract
The invention discloses an optical diffusion plate for an LED (Light Emitting Diode) lamp, belonging to the technical field of optical diffusion shells. The invention has the technical key point that the optical diffusion plate comprises a first transparent supporting plate, wherein a plurality of first light refraction floating points are distributed on at least one side face of the first supporting plate, and each first light refraction floating point is a rectangular pyramid; and the side length of the bottom face of each rectangular pyramid is 0.5-5 mm, and the height is 0.4-4.3 mm. The invention aims at providing an optical diffusion plate for an LED lamp with glare prevention, great irradiation angle, environmental protection and high light-admitting quality; and the optical diffusion plate is used for an LED lamp.
Description
Technical field
The present invention relates to a kind of light ray diffusion plate, more particularly, particularly relate to a kind of LED optical diffusing plate.
Background technology
LED illumination light source, as a kind of novel energy-conserving light source, obtains popularization energetically and use, represents the developing direction in lighting future.But due to LED photocurrent versus light intensity inherently, there is the problems such as dazzling and irradiating angle restriction.For addressing these problems, substantially be all adopt to install optics diffusion shell additional and solve, and existing optics diffusion shell is sacrifice light transmission for cost substantially, the methods such as application frosted, bar shaped floating-point, large distance floating-point, the light of LED cannot be utilized to greatest extent, reach best illumination and energy-saving effect.Or, be in the material of optics diffusion shell, add the industrial chemicals such as opalizer, polarisation agent increase diffusion shell mist degree achieve the goal, but the material that this mode is produced pollute the environment, cannot recovery and reuse after causing use.
Summary of the invention
The object of the invention is to for above-mentioned the deficiencies in the prior art, provide a kind of anti-dazzle, irradiating angle large and the LED optical diffusing plate that light transmission is high.
Technical scheme of the present invention is achieved in that a kind of LED optical diffusing plate, comprise the first transparent gripper shoe, at least one side of wherein said first gripper shoe is distributed with some first light refraction floating-points, described each first light refraction floating-point is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm.
In above-mentioned LED optical diffusing plate, the overall structure that the first described gripper shoe and the first light refraction floating-point are formed in one.
In above-mentioned LED optical diffusing plate, the rectangular pyramid in described first gripper shoe is square cone, and the bottom surface length of side of described square cone is 0.8 ~ 1.5mm, and height is 0.7 ~ 1.3mm.
In above-mentioned LED optical diffusing plate, the first described gripper shoe two sides are distributed with the first light refraction floating-point, described in be positioned at the first light refraction floating-point Heterogeneous Permutation of both sides.
In above-mentioned LED optical diffusing plate, the first described gripper shoe is arc.
In above-mentioned LED optical diffusing plate, be provided with the second gripper shoe above the first described gripper shoe, the first gripper shoe is connected by connecting rod with the second gripper shoe; At least one side of the second gripper shoe is distributed with some second light refraction floating-points, and described each second light refraction floating-point is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm.
In above-mentioned LED optical diffusing plate, the overall structure that the second described gripper shoe and the second light refraction floating-point are formed in one.
In above-mentioned LED optical diffusing plate, the rectangular pyramid in described second gripper shoe is square cone, and the bottom surface length of side of described square cone is 0.8 ~ 1.5mm, and height is 0.7 ~ 1.3mm.
In above-mentioned LED optical diffusing plate, the second described gripper shoe two sides are distributed with the second light refraction floating-point, described in be positioned at the first light refraction floating-point Heterogeneous Permutation of both sides.
In above-mentioned LED optical diffusing plate, the spacing between the first described gripper shoe and the second gripper shoe is 0 ~ 50mm.
After the present invention adopts said structure, on transparent base layer one-body molded go out floating-point, according to the refraction of light, the principle features such as reflection and diffusion, when the light that LED sends is by floating-point structure, light is through constantly refraction, reflection and diffusion, effectively change the irradiating angle of light, compared with conventional method, effectively increase more than at least 25% irradiated area, thus make light become not only soft, and evenly, also add illumination zone, the light that LED sends is made full use of under Same Efficieney, ensure that high light transmittance, also the effect of energy-saving and emission-reduction is reached, efficiently solve the problem that LED lamp is dazzle the eyes and light angle is less than normal, improve light utilization.Further, owing to being adopt pure physics mode, not adding any industrial chemicals in its optical clear cover, thus make optical clear cover not only use environmental protection, and can directly reclaim after using, efficiently solve environmental issue.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but do not form any limitation of the invention.
Fig. 1 is the structural representation of the specific embodiment of the invention 1;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of the specific embodiment of the invention 2;
Fig. 4 is the structural representation of the specific embodiment of the invention 3;
Fig. 5 is the structural representation of the specific embodiment of the invention 4;
Fig. 6 is the structural representation of the specific embodiment of the invention 5;
Fig. 7 is the structural representation of the specific embodiment of the invention 6.
In figure: the first gripper shoe 1, first light refraction floating-point 2, second gripper shoe 3, connecting rod 4, second light refraction floating-point 5.
Detailed description of the invention
Embodiment 1
Consult shown in Fig. 1 and Fig. 2, a kind of LED optical diffusing plate of the present invention, comprise the first transparent gripper shoe 1, described first gripper shoe 1 is slab construction, a wherein side of the first gripper shoe 1 is distributed with some first light refraction floating-points 2, described each first light refraction floating-point 2 is rectangular pyramid, and each adjacent rectangular pyramid is closely close together; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm, that is to say that the side triangle of each rectangular pyramid is equilateral triangle.In the present embodiment, the overall structure that first gripper shoe 1 and the first light refraction floating-point 2 are formed in one, can direct pouring shaping, process very convenient, owing to not adding any industrial chemicals in the first gripper shoe 1 and the first light refraction floating-point 2, thus can directly reclaim after whole optical diffusing plate is scrapped, efficiently solve environmental issue; Meanwhile, the rectangular pyramid in the first gripper shoe 1 is square cone, and the bottom surface length of side of this square cone described is preferably 0.8 ~ 1.5mm, is highly preferably 0.7 ~ 1.3mm.According to refraction, the principle features such as reflection and diffusion of light, when the light that LED sends is by floating-point structure, because floating-point structural thickness is different, all angles are irradiated the light come and are passed through constantly refraction, reflection and diffusion, effectively change the irradiating angle of light, thus light is softened, too increase illumination zone simultaneously, under Same Efficieney, make full use of the light that LED sends, ensure that high light transmittance, also reach the effect of energy-saving and emission-reduction.
Embodiment 2
Consult shown in Fig. 3, a kind of LED optical diffusing plate of the present invention, its structure is substantially the same manner as Example 1, and difference is, be distributed with the first light refraction floating-point 2 in the first gripper shoe 1 two sides, and described in be positioned at the first light refraction floating-point 2 Heterogeneous Permutation of both sides.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and anti-dazzle better effects if, light is softer.
Embodiment 3
Consult shown in Fig. 4, a kind of LED optics diffusion shell of the present invention, its structure is substantially the same manner as Example 1, and difference is, is provided with the second gripper shoe 3, first gripper shoe 1 and is connected by connecting rod 4 with the second gripper shoe 3 above the first gripper shoe 1; The upper side of the second gripper shoe 3 is distributed with some second light refraction floating-points 5, according to specific needs, also can be distributed on the downside of the second gripper shoe 3, and described each second light refraction floating-point 5 is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm; Further, the spacing between the first gripper shoe 1 and the second gripper shoe 3 is 0 ~ 5mm, and in the present embodiment, the second gripper shoe 3 is superimposed upon the first light refraction floating-point 5 upper end.In the present embodiment, the overall structure that second gripper shoe 3 and the second light refraction floating-point 5 are formed in one, can direct pouring shaping, process very convenient, owing to not adding any industrial chemicals in the second gripper shoe 3 and the second light refraction floating-point 5, thus can directly reclaim after whole optical diffusing plate is scrapped, efficiently solve environmental issue; Meanwhile, the rectangular pyramid in the second gripper shoe 3 is square cone, and the bottom surface length of side of described square cone is preferably 0.8 ~ 1.5mm, is highly preferably 0.7 ~ 1.3mm.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and anti-dazzle better effects if, light is softer.
Embodiment 4
Consult shown in Fig. 5, a kind of LED optics diffusion shell of the present invention, its structure is substantially the same manner as Example 2, difference is, the second gripper shoe 3 is provided with above the first gripper shoe 1, first gripper shoe 1 and the second gripper shoe 3 interval 5mm, the first gripper shoe 1 is connected by connecting rod 4 with the second gripper shoe 3; The upper side of the second gripper shoe 3 is distributed with some second light refraction floating-points 5, according to specific needs, also can be distributed on the downside of the second gripper shoe 3, and described each second light refraction floating-point 5 is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm.In the present embodiment, the overall structure that second gripper shoe 3 and the second light refraction floating-point 5 are formed in one, can direct pouring shaping, process very convenient, owing to not adding any industrial chemicals in the second gripper shoe 3 and the second light refraction floating-point 5, thus can directly reclaim after whole optical diffusing plate is scrapped, efficiently solve environmental issue; Meanwhile, the rectangular pyramid in the second gripper shoe 3 is square cone, and the bottom surface length of side of described square cone is preferably 0.8 ~ 1.5mm, is highly preferably 0.7 ~ 1.3mm.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and anti-dazzle better effects if, light is softer.
Embodiment 5
Consult shown in Fig. 6, a kind of LED optical diffusing plate of the present invention, its structure is substantially the same manner as Example 4, and difference is, be distributed with the second light refraction floating-point 5 in the second gripper shoe 3 two sides, and described in be positioned at the second light refraction floating-point 5 Heterogeneous Permutation of both sides.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and anti-dazzle better effects if, light is softer.
Embodiment 6
Consult shown in Fig. 7, a kind of LED light diffuser plate of the present invention, its structure is substantially the same manner as Example 1, difference is, the first described gripper shoe 1 is arc, its radian is about 6 ~ 10 °, described first light refraction floating-point 2 can be arranged on inside the first gripper shoe 1, also can be arranged on outside the first gripper shoe, as required, can also be arranged on the first gripper shoe 1 two sides simultaneously, improve diffusion and equal light effect further, in the present embodiment, the first light refraction floating-point 2 is arranged on inside the first gripper shoe 1.The optical diffusing plate of this structure, is suitable as light source diffusion during street lighting.
Experimental example
With optical diffusing plate of the present invention and the contrast of traditional Transparent lamp shade, carry out the test of endless belt luminous flux and light distribution data.Wherein, the actual measurement parameter of optical diffusing plate is: U:220.2V, I:0.1675A, P:31.36W, PF:0.8506, real inspection light lead to: 2246.17 × 1 lm; The actual measurement parameter of Transparent lamp shade is: U:220.2V, I:0.1656A, P:30.85W, PF:0.8460, real inspection light lead to: 2483.71 × 1 lm.
Common parameters when both measure:
C angular range: 0 degree of-360 degree; C angle intervals: 15.0 degree; γ angular range: 0 degree of-180 degree; γ angle intervals: 1.0 degree; Test speed: fast; Test macro a: distant place (EVERFINE) GO-R5000 V2 system V2.0.267; Environment temperature: 25.1 DEG C; Ambient humidity: 65.0%; Measuring distance: 2.548 meters [K=1.0000].
Draw following test data:
One of table 1 optical diffusing plate endless belt luminous flux data table
Table 2 optical diffusing plate endless belt luminous flux data table two
One of table 3 optical diffusing plate light distribution tables of data
Table 4 optical diffusing plate light distribution tables of data two
One of table 5 Transparent lamp shade endless belt luminous flux data table
Table 6 Transparent lamp shade endless belt luminous flux data table two
One of table 7 Transparent lamp shade light distribution tables of data
Table 8 Transparent lamp shade light distribution tables of data two
Reached a conclusion by above data analysis: optical diffusing plate of the present invention compares Transparent lamp shade, there is better light diffusion effect.Specific as follows: in (1) Same Efficieney situation, the average light beam angle (50%) of Transparent lamp shade is about 119.6 °, and the average light beam angle (50%) of optical diffusing plate is about 152.1 °, and range of exposures significantly expands; (2) optical diffusing plate of the present invention has the effect of peak clipping, all light, and the unnecessary light source of the dazzle part at Transparent lamp shade center is refracted to surrounding, thus the beam intensity ratio Transparent lamp shade of optical diffusing plate core of the present invention is soft, not easily occurs dazzle.Simultaneously, while guarantee lighting effect, increase effective range of exposures, such as, when the γ angular range in table 3 and table 4 is from 0 ~ 60 °, luminous intensity only reduces about 20%, and the γ angular range in table 7 and table 8 from 0 ~ 60 ° time, luminous intensity reduces about 45%, and it is only 0 ~ 35 ° time, and weakening of luminous intensity is about just 20%; (3) through optical diffusing plate diffusion after center illumination than Transparent lamp shade center illumination evenly; (4) the center high intensity of illumination region of light source after optical diffusing plate diffusion, much larger than the high intensity of illumination region of Transparent lamp shade.
Claims (8)
1. a LED optical diffusing plate, comprise transparent the first gripper shoe (1), it is characterized in that, at least one side of described first gripper shoe (1) is distributed with some first light refraction floating-points (2), described each first light refraction floating-point (2) is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm; The overall structure that described the first gripper shoe (1) and the first light refraction floating-point (2) are formed in one.
2. LED optical diffusing plate according to claim 1, is characterized in that, the rectangular pyramid on described first gripper shoe (1) is square cone, and the bottom surface length of side of described square cone is 0.8 ~ 1.5mm, and height is 0.7 ~ 1.3mm.
3. LED optical diffusing plate according to claim 2, it is characterized in that, described the first gripper shoe (1) two sides are distributed with the first light refraction floating-point (2), described in be positioned at the first light refraction floating-point (2) Heterogeneous Permutation of both sides.
4. LED optical diffusing plate according to claim 1, is characterized in that, described the first gripper shoe (1) is arc.
5. according to the arbitrary described LED optical diffusing plate of Claims 1-4, it is characterized in that, described the first gripper shoe (1) top is provided with the second gripper shoe (3), and the first gripper shoe (1) is connected by connecting rod (4) with the second gripper shoe (3); At least one side of the second gripper shoe (3) is distributed with some second light refraction floating-points (5), and described each second light refraction floating-point (5) is rectangular pyramid; The bottom surface length of side of described each rectangular pyramid is 0.5 ~ 5mm, and height is 0.4 ~ 4.3mm; The overall structure that described the second gripper shoe (3) and the second light refraction floating-point (5) are formed in one.
6. LED optical diffusing plate according to claim 5, is characterized in that, the rectangular pyramid on described second gripper shoe (3) is square cone, and the bottom surface length of side of described square cone is 0.8 ~ 1.5mm, and height is 0.7 ~ 1.3mm.
7. LED optical diffusing plate according to claim 6, it is characterized in that, described the second gripper shoe (3) two sides are distributed with the second light refraction floating-point (5), described in be positioned at the second light refraction floating-point (5) Heterogeneous Permutation of both sides.
8. LED optical diffusing plate according to claim 5, is characterized in that, the spacing between described the first gripper shoe (1) and the second gripper shoe (3) is 0 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310102874.3A CN103148450B (en) | 2013-03-27 | 2013-03-27 | Optical diffusion plate for LED (Light Emitting Diode) lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310102874.3A CN103148450B (en) | 2013-03-27 | 2013-03-27 | Optical diffusion plate for LED (Light Emitting Diode) lamp |
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| CN103148450A CN103148450A (en) | 2013-06-12 |
| CN103148450B true CN103148450B (en) | 2015-05-20 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421844A (en) * | 2013-09-03 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | Lamp and transparent part thereof |
| CN104566173B (en) * | 2015-01-21 | 2017-07-18 | 浙江农林大学 | A kind of illumination optical apparatus changed based on clock and colour temperature |
| CN107631203A (en) * | 2016-08-26 | 2018-01-26 | 梅州江南电器有限公司 | LED lamp with lampshade |
| CN107489984A (en) * | 2017-08-18 | 2017-12-19 | 梅州江南电器有限公司 | Combined type area source disperser |
| CN108548157A (en) * | 2018-05-17 | 2018-09-18 | 浙江彩丞照明科技有限公司 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
| CN108571710A (en) * | 2018-05-17 | 2018-09-25 | 浙江彩丞照明科技有限公司 | A kind of anti-dazzle light diffusing sheet and LED light device for eliminating moire |
| CN108916675A (en) * | 2018-08-28 | 2018-11-30 | 华南理工大学 | A kind of side entering type plant light source of no light guide plate |
| CN112145998A (en) * | 2019-06-28 | 2020-12-29 | 浙江宇视科技有限公司 | Anti-dazzle light filling lamp and supervisory equipment |
| CN115166879A (en) * | 2022-08-17 | 2022-10-11 | 富盛光电（吴江）有限公司 | Co-extrusion diffusion plate |
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| CN101625482A (en) * | 2008-07-10 | 2010-01-13 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and optical plate thereof |
| CN201885144U (en) * | 2010-11-09 | 2011-06-29 | 深圳市法马科技有限公司 | Three-color LED traffic signal lamp |
| CN203147630U (en) * | 2013-03-27 | 2013-08-21 | 梅州江南电器有限公司 | Optics diffuser plate of LED lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5124698B1 (en) * | 2012-06-12 | 2013-01-23 | 株式会社エス・ケー・ジー | Light guide plate and wall guide plate provided with light guide plate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625482A (en) * | 2008-07-10 | 2010-01-13 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and optical plate thereof |
| CN201885144U (en) * | 2010-11-09 | 2011-06-29 | 深圳市法马科技有限公司 | Three-color LED traffic signal lamp |
| CN203147630U (en) * | 2013-03-27 | 2013-08-21 | 梅州江南电器有限公司 | Optics diffuser plate of LED lamp |
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