CN108548157A - A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure - Google Patents
A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure Download PDFInfo
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- CN108548157A CN108548157A CN201810476046.9A CN201810476046A CN108548157A CN 108548157 A CN108548157 A CN 108548157A CN 201810476046 A CN201810476046 A CN 201810476046A CN 108548157 A CN108548157 A CN 108548157A
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- micro
- pyramid
- light diffusing
- diffusing sheet
- dazzle light
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- 239000011159 matrix material Substances 0.000 abstract description 2
- 241001465382 Physalis alkekengi Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a kind of anti-dazzle light diffusing sheets with step-like micro-structure, include the diffuser plate ontology of transparence, and the diffuser plate ontology side is provided with the step-like pyramidal structure of array arrangement；The step-like pyramidal structure includes the pyramid for setting the frustum of a pyramid of quantity and being set to top.A kind of anti-dazzle light diffusing sheet with step-like micro-structure according to the present invention, the side of diffuser plate ontology is provided with the step-like pyramidal structure of array arrangement, the pyramidal structure of step-like structure associated matrix column arrangement, it can make the high angle scattered light that panel light source is emitted that multi-order refractive and reflection occur, the beam projecting of not angle is finally converted into outside, enhance the effective light in lighting device center, to reduce the UGR values of lighting device, realizes that UGR values are less than 16.
Description
Technical field
It is especially a kind of with step-like micro-structure the present invention relates to anti-dazzle light diffusing sheet and lighting device technical field
Anti-dazzle light diffusing sheet and lighting device.
Background technology
In order to obtain the display effect of homogeneous soft, it is widely used light diffusing sheet, light diffusing sheet is by chemistry or object
Light-scattering material is added in substrate, is encountered Jie of different refractivity (density) in transmission process using light by the means of reason
Refraction, reflection and scattering occur when matter makes incident light fully scatter the effect for generating optics diffusion.For light-scattering material,
Light transmission rate and light diffusivity (or mist degree) are the technical indicators of conflict, and higher light transmission rate is typically to sacrifice light expansion
The rate of dissipating is cost, and glare problem is serious when the diffuser plate of cooperation light guide plate being caused to be used in lamps and lanterns, is especially such as doing
It can feel that eyes are uncomfortable when being used in the enclosure space of the public environment such as public room, library, hospital, school.
The existing lamps and lanterns with anti-dazzle light diffusing sheet will appear the high angle scattered light more than 65 degree, high angle scattered light outgoing
Injury of the meeting to human eye, and the lighting criteria of lamps and lanterns can be reduced.Existing anti-dazzle light diffusing sheet be typically use regular quadrangle for
The pyramid micro-structure at bottom typically not very manages the glare properties reduction of high angle scattered light by primary refraction or reflection
Think, anti-glare properties can be unsatisfactory for some occasions to the higher needs of the anti-glare requirement of high angle scattered light.
Invention content
The object of the present invention is to provide a kind of anti-dazzle light diffusing sheets with step-like micro-structure, can realize to wide-angle
The multiple refraction or reflection of light, realize the control to high angle scattered light.
It is a further object of the present invention to provide a kind of lighting device, including it is involved anti-dazzle with step-like micro-structure
Light diffusing sheet can increase the effective light in device center.
In order to solve the above technical problems, the object of the present invention is achieved like this：
A kind of anti-dazzle light diffusing sheet with step-like micro-structure according to the present invention, includes the diffuser plate sheet of transparence
Body, the diffuser plate ontology side are provided with the step-like pyramidal structure of array arrangement；The step-like pyramidal structure
Including the pyramid for setting the frustum of a pyramid of quantity and being set to top.
As a further illustration of the above scheme, the bottom surface of the frustum of a pyramid and pyramid is regular quadrangle；It is described
The bottom surface length of side for setting the frustum of a pyramid of quantity becomes smaller successively.
As a further illustration of the above scheme, the height of the frustum of a pyramid is identical, it is that step-like pyramidal structure is high
/ 20th of degree.
As a further illustration of the above scheme, the cone angle of the frustum of a pyramid is identical as the size of the cone angle of pyramid.
As a further illustration of the above scheme, the cone angle is 90 ° -150 °.
As a further illustration of the above scheme, the cone angle is 120 °.
As a further illustration of the above scheme, the thickness of the diffuser plate ontology is not less than 0.2mm.
A kind of lighting device according to the present invention, including the above-mentioned anti-dazzle light diffusing sheet with step-like micro-structure.
The beneficial effects of the invention are as follows：A kind of anti-dazzle light diffusing sheet with step-like micro-structure according to the present invention,
The side of diffuser plate ontology is provided with the step-like pyramidal structure of array arrangement, the arrangement of step-like structure associated matrix column
Pyramidal structure can make the high angle scattered light that panel light source is emitted that multi-order refractive and reflection occur, and be finally converted into not angle
Beam projecting enhances the effective light in lighting device center to outside, to reduce the UGR values of lighting device, realizes that UGR values are less than
16。
Description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the vertical view of the present invention.
Label is described as follows in figure：1- diffuser plate ontologies；The step-like pyramidal structures of 2-；The 21- frustum of a pyramids；22- pyramids.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment one
Knot the present embodiment elaborates combined with Figure 1 and Figure 2,.One kind involved by the present embodiment having step-like micro- knot
The anti-dazzle light diffusing sheet of structure includes the diffuser plate ontology 1 of transparence.1 side of diffuser plate ontology is provided with step-like pyramidal structure
2, step-like pyramidal structure 2 includes the frustum of a pyramid 21 of setting quantity and the pyramid 22 for being set to top.The frustum of a pyramid 21 and pyramid
The bottom surface of body 22 is regular quadrangle, and the bottom surface length of side for setting the frustum of a pyramid 21 of quantity becomes smaller successively.In the present embodiment, pyramid
The height of platform 21 is identical, is 1st/20th of 2 height of step-like pyramidal structure.The cone angle of the frustum of a pyramid 21 and pyramid 22
The size of cone angle is identical.The cone angle of the frustum of a pyramid 21 is the angle of two sides of relative position, and the cone angle of pyramid 22 is opposite
The angle of two slant heights in position.The thickness of diffuser plate ontology 1 can carry out high speed according to the requirement of final products, and minimum thickness is
0.2mm, there is no limit for the high limit of size.
2 angle of taper size of step-like pyramidal structure, the influence for the UGR of anti-dazzle light diffusing sheet are shown in Table 1, survey at this time
Strip part is to maintain that the bottom surface length of side that step-like pyramidal structure 2 is in contact with diffuser plate ontology 1 is constant, there is following test knot
Fruit.
| Cone angle | UGR (vertical) | UGR (transverse direction) |
| 90 | 18.6 | 18.5 |
| 100 | 17.8 | 17.9 |
| 110 | 16.7 | 16.6 |
| 120 | 16.5 | 16.5 |
| 130 | 17.5 | 17.3 |
| 140 | 17.7 | 17.5 |
| 150 | 18.2 | 18.3 |
1 step-like pyramidal structure of table, 2 cone angle size and corresponding UGR
As shown in Table 1, when 2 cone angle of step-like pyramidal structure is 120 °, either vertical or lateral UGR values, most
It is small.The optimal selection of i.e. 120 ° step-like pyramidal structures 2.
Influence of the bottom surface length of side that step-like pyramidal structure 2 is in contact with diffuser plate ontology 1 for UGR, is shown in Table 2, this table
Test result be to test to obtain when positive rectangular pyramid cone angle is fixed as 120 °.
| The bottom surface length of side | UGR (vertical) | UGR (transverse direction) |
| 0.5 | 16.9 | 16.8 |
| 1 | 16.7 | 16.8 |
| 1.5 | 16.4 | 16.5 |
| 2 | 16.3 | 16.3 |
| 2.5 | 16.2 | 16.3 |
| 3 | 16.1 | 16.2 |
The 2 bottom surface length of side of table and corresponding UGR
As shown in Table 2, the bottom surface length of side is bigger, and UGR values are smaller.Consider production cost and technique, selects bottom surface side
A length of 1.5mm, UGR at this time also meet the requirement of school, office space for UGR.Bottom surface length of side selection 1.5mm, positive tetragonous
Cone cone angle is selected as 120 °, that is, meets the requirement to UGR, has also taken into account production cost and production complexity.
Embodiment two
A kind of lighting device that the present embodiment is related to, including it is anti-dazzle with step-like micro-structure involved by embodiment one
Light diffusing sheet.The high angle scattered light that the lighting device can be such that panel light source comes from repeatedly reflect and reflect, final to change
External, the increase effective light in lighting device center is projected at the light of low-angle.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of anti-dazzle light diffusing sheet with step-like micro-structure, includes the diffuser plate ontology of transparence, which is characterized in that institute
The diffuser plate ontology side stated is provided with the step-like pyramidal structure of array arrangement；The step-like pyramidal structure includes setting
The frustum of a pyramid of fixed number amount and the pyramid for being set to top.
2. the anti-dazzle light diffusing sheet with step-like micro-structure as described in claim 1, which is characterized in that the frustum of a pyramid
Bottom surface with pyramid is regular quadrangle；The bottom surface length of side of the frustum of a pyramid of the setting quantity becomes smaller successively.
3. the anti-dazzle light diffusing sheet with step-like micro-structure as described in claim 1, which is characterized in that the frustum of a pyramid
Height it is identical, be 1st/20th of step-like pyramidal structure height.
4. the anti-dazzle light diffusing sheet with step-like micro-structure as described in claim 1, which is characterized in that the frustum of a pyramid
Cone angle it is identical as the size of the cone angle of pyramid.
5. the anti-dazzle light diffusing sheet with step-like micro-structure as claimed in claim 4, which is characterized in that the cone angle is
90°-150°。
6. the anti-dazzle light diffusing sheet with step-like micro-structure as claimed in claim 5, which is characterized in that the cone angle is
120°。
7. the anti-dazzle light diffusing sheet with step-like micro-structure as described in claim 1, which is characterized in that the diffuser plate sheet
The thickness of body is not less than 0.2mm.
8. a kind of lighting device, which is characterized in that expand including the anti-dazzle as described in claim 1 with step-like micro-structure
It falls apart.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476046.9A CN108548157A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476046.9A CN108548157A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
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| Publication Number | Publication Date |
|---|---|
| CN108548157A true CN108548157A (en) | 2018-09-18 |
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|---|---|---|---|
| CN201810476046.9A Pending CN108548157A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet and lighting device with step-like micro-structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425774A (en) * | 2020-03-31 | 2020-07-17 | 苏州宝瑞德纳米光学材料有限公司 | Micro-structure anti-glare film and plate |
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|---|---|---|---|---|
| CN103135153A (en) * | 2013-03-14 | 2013-06-05 | 深圳市汇晨电子有限公司 | Light diffusion plate and manufacture method thereof |
| CN103148450A (en) * | 2013-03-27 | 2013-06-12 | 梅州江南电器有限公司 | Optical diffusion plate for LED (Light Emitting Diode) lamp |
| CN203442588U (en) * | 2013-07-12 | 2014-02-19 | 蒋建华 | Tennis court anti-dazzling lamp module |
| CN206504161U (en) * | 2017-01-18 | 2017-09-19 | 中蓝光电科技（上海）股份有限公司 | Microstructure Optics part and LED light device |
| CN206741019U (en) * | 2017-03-17 | 2017-12-12 | 东莞市尚邦光电科技有限公司 | One kind is without dim spot light guide plate |
| CN208349221U (en) * | 2018-05-17 | 2019-01-08 | 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 |
-
2018
- 2018-05-17 CN CN201810476046.9A patent/CN108548157A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135153A (en) * | 2013-03-14 | 2013-06-05 | 深圳市汇晨电子有限公司 | Light diffusion plate and manufacture method thereof |
| CN103148450A (en) * | 2013-03-27 | 2013-06-12 | 梅州江南电器有限公司 | Optical diffusion plate for LED (Light Emitting Diode) lamp |
| CN203442588U (en) * | 2013-07-12 | 2014-02-19 | 蒋建华 | Tennis court anti-dazzling lamp module |
| CN206504161U (en) * | 2017-01-18 | 2017-09-19 | 中蓝光电科技（上海）股份有限公司 | Microstructure Optics part and LED light device |
| CN206741019U (en) * | 2017-03-17 | 2017-12-12 | 东莞市尚邦光电科技有限公司 | One kind is without dim spot light guide plate |
| CN208349221U (en) * | 2018-05-17 | 2019-01-08 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425774A (en) * | 2020-03-31 | 2020-07-17 | 苏州宝瑞德纳米光学材料有限公司 | Micro-structure anti-glare film and plate |
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Application publication date: 20180918 |