CN207833052U - Anti-dazzle light guide plate and side-light type panel light - Google Patents
Anti-dazzle light guide plate and side-light type panel light Download PDFInfo
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- CN207833052U CN207833052U CN201820090398.6U CN201820090398U CN207833052U CN 207833052 U CN207833052 U CN 207833052U CN 201820090398 U CN201820090398 U CN 201820090398U CN 207833052 U CN207833052 U CN 207833052U
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Abstract
The utility model provides a kind of anti-dazzle light guide plate, including light conducting plate body, light conducting plate body is equipped with light-emitting surface, and multiple micro-structures are arranged in light-emitting surface, the shape of micro-structure is the partial sphere for protruding from light-emitting surface or local spheroid, cross section of the micro-structure on light-emitting surface are circle；Bottom surface, bottom surface are opposite with light-emitting surface；At least one incidence surface, incidence surface are connected between light-emitting surface and the relative side of bottom surface.Multiple specially partial spheres or the micro-structure of local spheroid is arranged in anti-dazzle light guide plate provided by the utility model on light-emitting surface, compared with conventional light guiding plate, it can inhibit wide-angle emergent ray, to reduce UGR (type unified glare value), and then the probability that light injects human eye is reduced, reach more preferably anti-dazzle light effect.
Description
Technical field
The utility model belongs to field of illumination lamp technology, is to be related to a kind of anti-dazzle light guide plate and side more specifically
Light formula panel light.
Background technology
Currently, panel light is broadly divided into two kinds of straight-down negative and side-light type.Compared to direct-illumination type panel lamp, side-light type panel light
Have many advantages, such as that thickness is small, light is soft uniform.Usual side-light type panel light includes the light guide plate, reflector plate, expansion installed successively
Discrete piece and LED light source.Wherein, reflector plate is connected to the bottom surface of light guide plate, and diffusion sheet is connected to the light-emitting surface of light guide plate, LED light
Source is located at the side of the incidence surface of light guide plate.The effect of reflector plate is in the light reflection to light guide plate for exposing bottom surface of light guide plate,
Improve illuminance；The effect of light guide plate is the light for receiving LED light source and sending out, and converts linear light source to area source；The work of diffusion sheet
With being uniformly to spread the light from light guide plate.And in order to reduce UGR (type unified glare value), some light guide plates can be outside diffusion sheet
Anti-dazzle tabula rasa is set.
UGR is that the light that the lighting device for measuring in Visual Environment is sent out causes discomfort subjective anti-human eye
The psychological parameter answered can be divided into 28,25,22,19,16,13 and 10 7 gears.28 is can not endure critical value, and 25 be discomfort
Value, 22 be discomfort critical value, and 19 to be comfortable on be acceptable critical value with uncomfortable boundary value, 16, and 13 be dazzle
Feel critical value, 10 be free from glare sense critical value.
Referring to Fig. 6,1 ＞ β 2 of β, then a1 ＞ a2, i.e. a human eye timing, side-light type panel at a distance from side-light type panel light
The angle of the emergent ray of lamp is bigger, easier injection human eye, and UGR is also bigger.And conventional light guiding plate has emergent ray angle
Greatly, disadvantage big UGR, has much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of anti-dazzle light guide plates, are deposited with solving conventional light guiding plate in the prior art
The big technical problems of UGR.
To achieve the above object, the technical solution adopted in the utility model is：A kind of anti-dazzle light guide plate is provided, including is led
Tabula rasa ontology, the light conducting plate body are equipped with light-emitting surface, and multiple micro-structures are arranged in the light-emitting surface, and the shape of the micro-structure is
The partial sphere of the light-emitting surface or local spheroid are protruded from, cross section of the micro-structure on the light-emitting surface is circle
Shape；Bottom surface, the bottom surface are opposite with the light-emitting surface；At least one incidence surface, the incidence surface be connected to the light-emitting surface and
Between the relative side of the bottom surface.
Further, the micro-structure is uniformly arranged on the light-emitting surface.
Further, the height of the micro-structure is 0.5~1.0mm.
Further, the height of the micro-structure is 0.7mm.
Further, projection diameter of a circle of the micro-structure on the light-emitting surface is 3mm.
Further, the vertex spacing of two adjacent micro-structures is 3mm.
Further, the volume of the partial sphere is less than or equal to corresponding hemispheroidal volume, the body of the spheroid
Product is less than or equal to the volume of corresponding semiellipsoid.
Further, the bottom surface is equipped with site.
The utility model additionally provides a kind of side-light type panel light comprising above-mentioned anti-dazzle light guide plate；It is at least one
LED light source, the LED light source are set to the side of the incidence surface and shine towards the incidence surface；Reflector plate, the reflector plate
It is connected to the bottom surface.
Further, the LED light source includes multiple LED light-emitting components being evenly arranged along the incidence surface.
The advantageous effect of light guide plate provided by the utility model is：Compared with conventional light guiding plate, the utility model provides
Anti-dazzle light guide plate be arranged on light-emitting surface it is multiple be specially partial spheres or local spheroid micro-structure, big angle can be inhibited
Emergent ray is spent, to reduce UGR values, and then the probability that light injects human eye is reduced, reaches more preferably anti-dazzle light effect.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the front view for the side-light type panel light for using common light guide plate in the prior art；
Fig. 2 is the radiation direction vertical view of common light guide plate in the prior art；
Fig. 3 is the front view for the side-light type panel light for using micro-structure light guide plate in the prior art；
Fig. 4 is the side view for the side-light type panel light for using micro-structure light guide plate in the prior art；
Fig. 5 is the front view of the side-light type panel light of the anti-dazzle light guide plate provided using the utility model embodiment；
Fig. 6 is the relationship definition graph of UGR and beam projecting angle；
Fig. 7 is the stereogram of common light guide plate；
Fig. 8 is the vertical view of common light guide plate；
Fig. 9 is the sectional view of the line A-A along Fig. 8；
Figure 10 is the stereogram of micro-structure light guide plate；
Figure 11 is the vertical view of micro-structure light guide plate；
Figure 12 is the sectional view of the line B-B along Figure 11；
Figure 13 is the stereogram of anti-dazzle light guide plate；
Figure 14 is the vertical view of anti-dazzle light guide plate；
Figure 15 is the sectional view of the line C-C along Figure 14.
Wherein, each reference numeral in figure：
The common light guide plates of 1a-；1b- micro-structure light guide plates；1c- anti-dazzle light guide plates；2- reflector plates；3- diffusion sheets；4-LED
Light source；The anti-dazzle tabula rasas of 5-；10c- light conducting plate bodies；The light-emitting surface of the common light guide plates of 11a-；The light extraction of 11b- micro-structure light guide plates
Face；The light-emitting surface of 11c- anti-dazzle light guide plates；The bottom surface of the common light guide plates of 12a-；The bottom surface of 12b- micro-structure light guide plates；12c-
The bottom surface of anti-dazzle light guide plate；The incidence surface of the common light guide plates of 13a-；The incidence surface of 13b- micro-structure light guide plates；13c- anti-dazzles
The incidence surface of light guide plate；The micro-structure of 111b- micro-structure light guide plates；The micro-structure of 111c- anti-dazzle light guide plates.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can directly or
It is connected on another element.When an element is known as " being connected to " another element, it can directly or indirectly be connected
It is connected on another element.
It is to be appreciated that the orientation or positional relationship of the instructions such as term "top", "bottom" is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
Also referring to Figure 13 to Figure 15, now anti-dazzle light guide plate 1c provided by the utility model is illustrated.It is anti-dazzle
Light guide tabula rasa 1c, including light conducting plate body 10c, light conducting plate body 10c can be platy structures, and light conducting plate body 10c is equipped with
Multiple micro-structure 111c are arranged in light-emitting surface 11c, light-emitting surface 11c, and the shape of micro-structure 111c is to protrude from the office of the light-emitting surface
Portion's sphere or local spheroid, cross sections of the micro-structure 111c on light-emitting surface 11c are circle；Bottom surface 12c, bottom surface 12c with go out
Smooth surface 11c is relatively arranged on the two sides of anti-dazzle light guide plate 1c；At least one incidence surface 13c, incidence surface 13c are connected to light-emitting surface
Between 11c and the relative side of bottom surface 12c.
Preferably, the material of anti-dazzle light guide plate 1c be PC (makrolon), PMMA (polymethyl methacrylate),
Styrene-methyl methacrylate copolymers (styrene/methacrylic acid methyl terpolymer) or PS (polyphenyl
Ethylene) etc..
Preferably, the shape of micro-structure 111c is to protrude from the local spheroid of the light-emitting surface.Spheroid is compared to ball
Body, it is anti-glare better.
Anti-dazzle light guide plate 1c provided by the utility model is arranged multiple compared with conventional light guiding plate on light-emitting surface 11c
The specially micro-structure 111c of partial sphere or local spheroid, can inhibit wide-angle emergent ray, to reduce UGR, in turn
The probability that light injects human eye is reduced, more preferably anti-dazzle light effect is reached.
Further, 3 to Figure 15 are please referred to Fig.1, micro-structure 111c uniformly arranges on light-emitting surface 11c, makes anti-dazzle light guide
The light that tabula rasa 1c is received is projected when leaving anti-dazzle light guide plate 1c after passing through micro-structure 111c as far as possible again, rather than
Anti-dazzle light guide plate 1c directly is left from light-emitting surface 11c, to make anti-dazzle light guide plate 1c uniform in light emission.
Preferably, 5 are please referred to Fig.1, the volume of partial sphere is less than or equal to corresponding hemispheroidal volume, the body of spheroid
Product is less than or equal to the volume of corresponding semiellipsoid, and most of light derived from micro-structure 111c is made not to be reflected back anti-dazzle light guide
In tabula rasa 1c, luminous flux is improved.
Preferably, the height of micro-structure 111c is 0.5~1.0mm, preferably 0.7mm；Micro-structure 111c is in light-emitting surface 11c
On projection diameter of a circle be 2~5mm, preferably 3mm；The vertex spacing of two adjacent micro-structure 111c is 2~5mm, excellent
It is selected as 3mm.In this way, each micro-structure 111c is tangent, arrangement is close, improves luminous flux.
Further, bottom surface 12c is initially shiny surface, then passes through the side such as silk-screen printing, hot-forming or laser dotting
Formula forms site (not shown) on the 12c of bottom surface.When anti-dazzle light guide plate 1c receives light, light can be in anti-dazzle light guide
It is totally reflected inside tabula rasa 1c, light can not be exported from light-emitting surface 11c.After site is arranged in bottom surface 12c, light is dissipated
It penetrates, light is enable to be exported from light-emitting surface 11c.
Referring to Fig. 5, the utility model also provides a kind of side-light type panel light, side-light type panel light includes above-mentioned anti-dazzle
Light guide tabula rasa 1c；At least one LED light source 4, LED light source 4 shine set on the side of incidence surface 13c and towards incidence surface 13c；Instead
Piece 2 is penetrated, reflector plate 2 is connected to bottom surface 12c.
Side-light type panel light provided by the utility model uses novel anti-dazzle light guide plate 1c, can inhibit wide-angle
Emergent ray to reduce UGR, and then reduces the probability that light injects human eye, reaches more preferably anti-dazzle light effect；Also, phase
Than in anti-dazzle side-light type panel light in the prior art, eliminating anti-dazzle tabula rasa 5 and diffusion sheet 3, material is saved, life is reduced
Cost is produced, the integral thickness of lamp declines, the final market competitiveness for improving this product.
Further, LED light source 4 include multiple LED light-emitting components being evenly arranged along the directions incidence surface 13c (in figure not
Show), LED light-emitting component enables anti-dazzle light guide plate 1c to receive enough light and receives light towards incidence surface 13c emergent rays
Uniformly.
The light guide plate that the utility model embodiment provides is allowed to more other type light guide plate tools due to using above-mentioned micro-structure
There is apparent anti-dazzle function.For example, please referring to Fig.1, Fig. 2 and Fig. 7 to Fig. 9, light guide plate 1a both side surfaces are shiny surface, after
Phase processes on the 12a of bottom surface and forms site.When side-light type panel light uses light guide plate 1a, the light that LED light source 4 is sent out is by side
After light formula panel light, one way or another emits light on light-emitting surface 11a, and light-emitting angle is larger, and emergent ray is easier to penetrate
Enter human eye, UGR is larger compared to anti-dazzle light guide plate 1c provided in this embodiment.
Fig. 3 and Figure 10 are please referred to Figure 12, the bottom surface of micro-structure light guide plate 1b is shiny surface, is arranged on light-emitting surface 11b more
A micro-structure 111b being evenly arranged, micro-structure 111b are strip and section shape is triangle, and the later stage adds on the 12b of bottom surface
Work forms site.Due to the setting of micro-structure 111b, the light extraction efficiency of micro-structure light guide plate 1b is higher than light guide plate 1a, can improve
2%~10% luminous flux.
Referring to Fig. 3, when side-light type panel light uses micro-structure light guide plate 1b, if incident ray perpendicular to triangular prism,
Then light direction can deflect inward, and emergent ray is opposite to be not easy to inject human eye, and the angle of emergent ray can be smaller, and UGR is smaller；
But if referring to Fig. 4, when incident ray is parallel to triangular prism, when light-out effect and side-light type panel light use light guide plate 1a
Close, light direction can be deflected outward, and the angle of emergent ray can be larger, and UGR is compared to anti-dazzle light guide provided in this embodiment
Tabula rasa 1c is larger.
Three kind sides of the utility model also to light guide plate 1a, micro-structure light guide plate 1b and anti-dazzle light guide plate 1c is respectively adopted
Light formula flat lamp carries out simulation calculating on TracePro and DiaLux softwares.The identical initial value of three kinds of side-light type flat lamps
For：The total power input of LED light source 4 is 35W, and the material of light guide plate is PMMA, and the refractive index of light guide plate is 1.49.Analog result
It is the luminous flux for the side-light type flat lamp for using light guide plate 1a for 2825.78, UGR 19；Using the side of micro-structure light guide plate 1b
The luminous flux of light formula flat lamp is 3070.08, UGR 17.5；Light using the side-light type flat lamp of anti-dazzle light guide plate 1c is logical
Amount is 2909.27, UGR 16.As it can be seen that it is minimum using the UGR of the side-light type flat lamp of anti-dazzle light guide plate 1c, and UGR is 16,
Meet and is subjected to critical value in standard for lighting design of buildings.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (10)
1. anti-dazzle light guide plate, it is characterised in that：Including light conducting plate body, the light conducting plate body is equipped with
Multiple micro-structures are arranged in light-emitting surface, the light-emitting surface, and the shape of the micro-structure is to protrude from the part of the light-emitting surface
Sphere or local spheroid, cross section of the micro-structure on the light-emitting surface are circle；
Bottom surface, the bottom surface are opposite with the light-emitting surface；
At least one incidence surface, the incidence surface are connected between the light-emitting surface and the relative side of the bottom surface.
2. anti-dazzle light guide plate as described in claim 1, it is characterised in that：The micro-structure is uniformly arranged on the light-emitting surface
Cloth.
3. anti-dazzle light guide plate as described in claim 1, it is characterised in that：The height of the micro-structure is 0.5~1.0mm.
4. anti-dazzle light guide plate as claimed in claim 3, it is characterised in that：The height of the micro-structure is 0.7mm.
5. anti-dazzle light guide plate as described in claim 1, it is characterised in that：Projection of the micro-structure on the light-emitting surface
Diameter of a circle is 3mm.
6. anti-dazzle light guide plate as claimed in claim 5, it is characterised in that：The vertex spacing of two adjacent micro-structures
For 3mm.
7. anti-dazzle light guide plate as described in claim 1, it is characterised in that：The volume of the partial sphere be less than or equal to pair
Hemispheroidal volume, the volume of the spheroid is answered to be less than or equal to the volume of corresponding semiellipsoid.
8. anti-dazzle light guide plate as described in claim 1, it is characterised in that：The bottom surface is equipped with site.
9. side-light type panel light, it is characterised in that：Including claim 1 to 8 any one of them anti-dazzle light guide plate；
At least one LED light source, the LED light source are set to the side of the incidence surface and shine towards the incidence surface；
Reflector plate, the reflector plate are connected to the bottom surface.
10. side-light type panel light as claimed in claim 9, it is characterised in that：The LED light source include it is multiple along it is described enter light
The LED light-emitting component that face is evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090398.6U CN207833052U (en) | 2018-01-19 | 2018-01-19 | Anti-dazzle light guide plate and side-light type panel light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090398.6U CN207833052U (en) | 2018-01-19 | 2018-01-19 | Anti-dazzle light guide plate and side-light type panel light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207833052U true CN207833052U (en) | 2018-09-07 |
Family
ID=63393708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820090398.6U Active CN207833052U (en) | 2018-01-19 | 2018-01-19 | Anti-dazzle light guide plate and side-light type panel light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207833052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684331A (en) * | 2019-10-08 | 2020-01-14 | 江西盛汇光学科技协同创新有限公司 | Anti-dazzle diffusion plate and preparation process thereof |
| CN111810865A (en) * | 2019-04-11 | 2020-10-23 | 通用汽车环球科技运作有限责任公司 | Side-light reading lamp including antiglare shield and diffuser plate for reducing visible blue light |
-
2018
- 2018-01-19 CN CN201820090398.6U patent/CN207833052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810865A (en) * | 2019-04-11 | 2020-10-23 | 通用汽车环球科技运作有限责任公司 | Side-light reading lamp including antiglare shield and diffuser plate for reducing visible blue light |
| CN110684331A (en) * | 2019-10-08 | 2020-01-14 | 江西盛汇光学科技协同创新有限公司 | Anti-dazzle diffusion plate and preparation process thereof |
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