CN103148450A - 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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- CN103148450A CN103148450A CN2013101028743A CN201310102874A CN103148450A CN 103148450 A CN103148450 A CN 103148450A CN 2013101028743 A CN2013101028743 A CN 2013101028743A CN 201310102874 A CN201310102874 A CN 201310102874A CN 103148450 A CN103148450 A CN 103148450A
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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, relate in particular to a kind of LED lamp optical diffuser plate.
Background technology
The LED lighting source as a kind of novel energy-conserving light source, has obtained popularization and use energetically, is representing the lighting developing direction in future.But due to the intrinsic photocurrent versus light intensity of LED lamp itself, exist the problems such as dazzling and irradiating angle restriction.For addressing these problems, basically be all to adopt to install the optics diffusion shell additional and solve, and existing optics diffusion shell is that to sacrifice light transmission be cost basically, use frosted, bar shaped floating-point, greatly apart from methods such as floating-points, can't utilize to greatest extent the light of LED lamp, reach best illumination and energy-saving effect.Perhaps, be to add the industrial chemicals such as opalizer, polarisation agent to increase the diffusion shell mist degrees and achieve the goal in the material of optics diffusion shell, still, the material that this mode is produced pollutes the environment, and causing can't recovery and reuse after use.
Summary of the invention
The object of the invention is to for above-mentioned the deficiencies in the prior art, a kind of anti-dazzle, irradiating angle is large and light transmission is high LED lamp optical diffuser plate are provided.
Technical scheme of the present invention is achieved in that a kind of LED lamp optical diffuser plate, comprise the first transparent gripper shoe, be distributed with some the first light refraction floating-points at least one side of wherein said the first gripper shoe, 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 lamp optical diffuser plate, the overall structure that described the first gripper shoe and the first light refraction floating-point are formed in one.
In above-mentioned LED lamp optical diffuser plate, the rectangular pyramid on described the 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 lamp optical diffuser plate, described the first gripper shoe two sides are distributed with the first light refraction floating-point, described the first light refraction floating-point Heterogeneous Permutation that is positioned at both sides.
In above-mentioned LED lamp optical diffuser plate, described the first gripper shoe is arc.
In above-mentioned LED lamp optical diffuser plate, described the first gripper shoe top is provided with the second gripper shoe, the first gripper shoe be connected gripper shoe and connect by connecting rod; Be distributed with some the second light refraction floating-points at least one side of the second gripper shoe, 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 lamp optical diffuser plate, the overall structure that described the second gripper shoe and the second light refraction floating-point are formed in one.
In above-mentioned LED lamp optical diffuser plate, the rectangular pyramid on described the 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 lamp optical diffuser plate, described the second gripper shoe two sides are distributed with the second light refraction floating-point, described the first light refraction floating-point Heterogeneous Permutation that is positioned at both sides.
In above-mentioned LED lamp optical diffuser plate, the spacing between described the first gripper shoe and the second gripper shoe is 0～50mm.
after the present invention adopts said structure, one-body moldedly on transparent base layer go out floating-point, refraction according to light, the principle features such as reflection and diffusion, the light that sends when the LED lamp is during by the floating-point structure, light is through constantly refraction, reflection and diffusion, effectively changed the irradiating angle of light, compare with conventional method, effectively increased the irradiated area more than at least 25%, thereby make light become not only soft, and evenly, also increased illumination zone, take full advantage of the light that the LED lamp sends under Same Efficieney, guaranteed high light transmittance, also reach the effect of energy-saving and emission-reduction, effectively solved the problem that the LED light fixture is dazzle the eyes and light angle is less than normal, improved light utilization.Further, because being adopts pure physics mode, do not add any industrial chemicals in its optical clear cover, thereby make the optical clear cover not only use environmental protection, and can directly reclaim after using, effectively solved environmental issue.
Description of drawings
The present invention is described in further detail below in conjunction with the embodiment in accompanying drawing, but do not consist of 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, the first light refraction floating-point 2, the second gripper shoe 3, connecting rod 4, the second light refraction floating-point 5.
The specific embodiment
Consult illustrated in figures 1 and 2, a kind of LED lamp optical diffuser plate of the present invention, comprise the first transparent gripper shoe 1, described the first gripper shoe 1 is slab construction, be distributed with some the first light refraction floating-points 2 on a wherein side of the first gripper shoe 1, described each first light refraction floating-point 2 is rectangular pyramid, and each adjacent rectangular pyramid closely is close together; The bottom surface length of side of described each rectangular pyramid is 0.5～5mm, and height is 0.4～4.3mm, and the side triangle that is to say each rectangular pyramid is equilateral triangle.In the present embodiment, the overall structure that the first gripper shoe 1 and the first light refraction floating-point 2 are formed in one, but direct pouring moulding, process very convenient, owing to not adding any industrial chemicals in the first gripper shoe 1 and the first light refraction floating-point 2, thereby can directly reclaim after making whole optical diffusing plate scrap, effectively solve environmental issue; Simultaneously, the rectangular pyramid on the first gripper shoe 1 is square cone, and the bottom surface length of side of described this square cone is preferably 0.8～1.5mm, highly is preferably 0.7～1.3mm.The principle features such as refraction, reflection and diffusion according to light, the light that sends when the LED lamp is during by the floating-point structure, because the floating-point structural thickness is different, the light that all angles irradiation comes has effectively changed the irradiating angle of light, thereby light is softened through continuous refraction, reflection and diffusion, also increased simultaneously illumination zone, take full advantage of the light that the LED lamp sends under Same Efficieney, guaranteed high light transmittance, also reach the effect of energy-saving and emission-reduction.
Consult shown in Figure 3, a kind of LED lamp optical diffuser 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 the first light refraction floating-point 2 Heterogeneous Permutations that are positioned at both sides.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and the anti-dazzle better effects if, and light is softer.
Consult shown in Figure 4, a kind of LED lamp optical diffusion shell of the present invention, its structure is substantially the same manner as Example 1, difference is, is provided with the second gripper shoe 3, the first gripper shoes 1 and is connected gripper shoe 3 to connect by connecting rod 4 above the first gripper shoe 1; Being distributed with some the second light refraction floating-points 5 on the upper side of the second gripper shoe 3, according to specific needs, can be also to 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 ends.In the present embodiment, the overall structure that the second gripper shoe 3 and the second light refraction floating-point 5 are formed in one, but direct pouring moulding, process very convenient, owing to not adding any industrial chemicals in the second gripper shoe 3 and the second light refraction floating-point 5, thereby can directly reclaim after making whole optical diffusing plate scrap, effectively solve environmental issue; Simultaneously, the rectangular pyramid on 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, highly is preferably 0.7～1.3mm.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and the anti-dazzle better effects if, and light is softer.
Consult shown in Figure 5, a kind of LED lamp optical diffusion shell of the present invention, its structure is substantially the same manner as Example 2, difference is, be provided with the second gripper shoe 3 above the first gripper shoe 1, the first gripper shoe 1 and the second gripper shoe 3 interval 5mm, the first gripper shoe 1 be connected gripper shoe 3 and connect by connecting rod 4; Being distributed with some the second light refraction floating-points 5 on the upper side of the second gripper shoe 3, according to specific needs, can be also to 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 the second gripper shoe 3 and the second light refraction floating-point 5 are formed in one, but direct pouring moulding, process very convenient, owing to not adding any industrial chemicals in the second gripper shoe 3 and the second light refraction floating-point 5, thereby can directly reclaim after making whole optical diffusing plate scrap, effectively solve environmental issue; Simultaneously, the rectangular pyramid on 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, highly is preferably 0.7～1.3mm.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and the anti-dazzle better effects if, and light is softer.
Consult shown in Figure 6, a kind of LED lamp optical diffuser 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 the second light refraction floating-point 5 Heterogeneous Permutations that are positioned at both sides.The diffuser plate of this structure, its diffusion effect is better, and irradiating angle is larger, and the anti-dazzle better effects if, and light is softer.
Embodiment 6
Consult shown in Figure 7, a kind of LED optical diffusing plate of the present invention, its structure is substantially the same manner as Example 1, difference is, described the first gripper shoe 1 is arc, its radian is about 6～10 °, described the first light refraction floating-point 2 can be arranged on the first gripper shoe 1 inboard, also can be arranged on outside the first gripper shoe, as required, can also be arranged on simultaneously on the first gripper shoe 1 two sides, further improve diffusion and equal light effect, in the present embodiment, the first light refraction floating-point 2 is arranged on the first gripper shoe 1 inboard.The optical diffusing plate of this structure, the light source diffusion when being suitable as street lighting.
Experimental example
With optical diffusing plate of the present invention and traditional Transparent lamp shade contrast, 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 parameter when both measure:
C angular range: 0 degree-360 degree; C angle intervals: 15.0 degree; γ angular range: 0 degree-180 degree; γ angle intervals: 1.0 degree; Test speed: fast; Test macro a: distant place (EVERFINE) the GO-R5000 V2 V2.0.267 of system; Environment temperature: 25.1 ℃; 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
Two of table 2 optical diffusing plate endless belt luminous flux data table
One of table 3 optical diffusing plate light distribution tables of data
Two of table 4 optical diffusing plate light distribution tables of data
One of table 5 Transparent lamp shade endless belt luminous flux data table
Two of table 6 Transparent lamp shade endless belt luminous flux data table
One of table 7 Transparent lamp shade light distribution tables of data
Two of table 8 Transparent lamp shade light distribution tables of data
Reached a conclusion by above data analysis: optical diffusing plate of the present invention is compared Transparent lamp shade, has better light diffusion effect.Specific as follows: in (1) Same Efficieney situation, the average beam angle (50%) of Transparent lamp shade is about 119.6 °, and the average beam angle (50%) of optical diffusing plate is about 152.1 °, and range of exposures significantly enlarges; (2) optical diffusing plate of the present invention has peak clipping, all effects of light, the unnecessary light source of the dazzle part at Transparent lamp shade center is refracted to surrounding, thereby the beam intensity ratio Transparent lamp shade of optical diffusing plate core of the present invention is soft, is not prone to dazzle.Simultaneously, when guaranteeing lighting effect, increase effective range of exposures, for example, the γ angular range in table 3 and table 4 is during from 0～60 °, and luminous intensity has only weakened approximately 20%, and the γ angular range in table 7 and table 8 is during from 0～60 °, luminous intensity has weakened approximately 45%, and it is only in the time of 0～35 °, and weakening of luminous intensity is approximately just 20%; (3) more even than the center illumination of Transparent lamp shade through the center illumination after the optical diffusing plate diffusion; (4) the high intensity of illumination zone, center after light source spreads through optical diffusing plate is much larger than the high intensity of illumination zone of Transparent lamp shade.
Claims (10)
1. LED lamp optical diffuser plate, comprise transparent the first gripper shoe (1), it is characterized in that, be distributed with some the first light refraction floating-points (2) at least one side of described the first gripper shoe (1), 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.
2. LED lamp optical diffuser plate according to claim 1, is characterized in that, the overall structure that described the first gripper shoe (1) and the first light refraction floating-point (2) are formed in one.
3. LED optical diffusing plate according to claim 2, is characterized in that, the rectangular pyramid on described the 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.
4. LED lamp optical diffuser plate according to claim 3, is characterized in that, described the first gripper shoe (1) two sides are distributed with the first light refraction floating-point (2), described the first light refraction floating-point (2) Heterogeneous Permutation that is positioned at both sides.
5. LED optical diffusing plate according to claim 1, is characterized in that, described the first gripper shoe (1) is arc.
According to claim 1 to 5 arbitrary described LED lamp optical diffuser plate, it is characterized in that, described the first gripper shoe (1) top is provided with the second gripper shoe (3), the first gripper shoe (1) and be connected gripper shoe (3) by connecting rod (4) connection; Be distributed with some the second light refraction floating-points (5) at least one side of the second gripper shoe (3), 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.
7. LED lamp optical diffuser plate according to claim 6, is characterized in that, the overall structure that described the second gripper shoe (3) and the second light refraction floating-point (5) are formed in one.
8. LED optical diffusing plate according to claim 7, is characterized in that, the rectangular pyramid on described the 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.
9. LED lamp optical diffuser plate according to claim 8, is characterized in that, described the second gripper shoe (3) two sides are distributed with the second light refraction floating-point (5), described the second light refraction floating-point (5) Heterogeneous Permutation that is positioned at both sides.
10. LED lamp optical diffuser plate according to claim 6, is characterized in that, the spacing between described the first gripper shoe (1) and the second gripper shoe (3) is 0～50mm.
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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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| CN201310102874.3A CN103148450B (en) | 2013-03-27 | 2013-03-27 | Optical diffusion plate for LED (Light Emitting Diode) lamp |
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| CN103148450B CN103148450B (en) | 2015-05-20 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104566173A (en) * | 2015-01-21 | 2015-04-29 | 浙江农林大学 | Optical lighting device based on clock and color temperature change |
| CN107489984A (en) * | 2017-08-18 | 2017-12-19 | 梅州江南电器有限公司 | Combined type area source disperser |
| CN107631203A (en) * | 2016-08-26 | 2018-01-26 | 梅州江南电器有限公司 | LED lamp with lampshade |
| 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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Cited By (10)
| 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 |
| CN104566173A (en) * | 2015-01-21 | 2015-04-29 | 浙江农林大学 | Optical lighting device based on clock and color temperature change |
| 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 |
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| 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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| CN103148450B (en) | 2015-05-20 |
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