CN207162438U - A kind of collimation lens with micro-structural - Google Patents
A kind of collimation lens with micro-structural Download PDFInfo
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- CN207162438U CN207162438U CN201721179922.9U CN201721179922U CN207162438U CN 207162438 U CN207162438 U CN 207162438U CN 201721179922 U CN201721179922 U CN 201721179922U CN 207162438 U CN207162438 U CN 207162438U
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- lens
- micro
- annular tooth
- structural
- light
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- 210000000332 tooth crown Anatomy 0.000 claims 1
- 210000000515 tooth Anatomy 0.000 abstract description 50
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a kind of collimation lens with micro-structural, including lens body, it is characterised in that the one side of the lens body is the exit facet of plane；The center of the lens body another side is convex lens, and the outside of the lens body is provided with several annular tooths；The annular tooth includes crown and teeth groove；The indent direction of the annular tooth junction is identical；The gullet depth of the annular tooth gradually increases along the direction on the outside of lens centre；The crown height of the annular tooth gradually increases along the direction on the outside of lens centre；In the light of the lens entrance, the angle, θ of outermost light and lens centre vertical direction is 30 90 °；The exit facet is plane；The position of the exit facet face annular tooth is provided with micro-structural, and the micro-structural is multiple screw types or the cambered surface of hexagon.The utility model handles the light of different angle by setting different dentation inner chambers, light is obtained directional light after superrefraction and total reflection.
Description
Technical field
The utility model belongs to optical devices technologies field, and in particular to a kind of collimation lens with micro-structural.
Background technology
LED is semiconductor solid-state optical source, have small volume, in light weight, power consumption less, long lifespan, response time it is short and anti-
The advantages that shock stability is good, especially its anti-seismic performance, can withstand various violent shakes and collision, and this characteristic causes
LED flashlight is especially suitable for the special lighting use occasion such as army, police, security personnel, field exploration.The opponent in long distance illumination
Electricity shooting angle require it is higher, and the light distribution of most of LED light sources be approximately Lambertian distribution, its lighting angle ratio
It is larger, in order that light beam exiting parallel to improve the long drive performance of LED flashlight, need to carry out secondary light-distribution design to LED light source.
CN203549680U discloses a kind of LED light-distribution lens, including the plane of incidence and exit facet, the center of the plane of incidence
For convex lens face, annular tooth is provided with the outside of convex lens face, the crown of annular tooth is identical with the protrusion direction in convex lens face and beyond convex
The summit of minute surface, the side of annular tooth are spliced for different curve.But the set-up mode of the lens exiting surface so that this is saturating
Mirror is difficult to obtain less parallel light.
The application handles the light of different angle by the way that there is provided different dentation inner chambers, makes light through superrefraction and complete
Approximate directional light is obtained after reflection, can be widely applied to various illumination use occasions.
Utility model content
To solve the shortcomings that prior art and deficiency, primary and foremost purpose of the present utility model is to provide one kind can be by different angles
The light of degree obtains the collimation lens with micro-structural of directional light after superrefraction and total reflection.
A kind of collimation lens with micro-structural, including lens body, the one side of the lens body is the exit facet of plane；
The center of the lens body another side is convex lens, is extended outwardly by the convex lens at the center provided with several annular tooths；
The annular tooth includes the plane of incidence and fully reflecting surface, and is the plane of incidence close to the one side of the convex lens, away from the convex lens
One side be fully reflecting surface；
The annular tooth includes crown and teeth groove；The junction of the annular tooth is recessed teeth groove, and the annular tooth connects
The indent direction for meeting place is identical；The gullet depth of the annular tooth gradually increases along the direction on the outside of lens centre；The annular
The crown height of tooth gradually increases along the direction on the outside of lens centre；
In the light of all incident lights, the angle, θ of outermost light and lens centre vertical direction is 30-90 °；
The position of annular tooth described in the exit facet face is provided with micro-structural, and the micro-structural is multiple screw types or six sides
The cambered surface of shape；
The light incident from the convex lens, after superrefraction, projected perpendicular to exit facet；From the incidence of the annular tooth
The incident light in face, after superrefraction, reaches the fully reflecting surface of the annular tooth, is reflected through fully reflecting surface, and perpendicular to exit facet
Project.
Preferably, the quantity of the annular tooth is 3.
Preferably, the cambered surface of the micro-structural is crossed to form multiple salient points, and the salient point is high relative to the projection of exit facet
Spend for 0.1-2mm.
Preferably, the area of the micro-structural accounts for the 30%-95% of lens exit facet area.
Preferably, the cambered surface curvature of the micro-structural is changed from small to big from inside to outside.
Beneficial effect：
1. the utility model handles the light of different angle by setting different dentation inner chambers, make light through superrefraction
Directional light is obtained with after total reflection.
2. the application advantageously reduces hot spot yellow circle by setting micro-structural on lens.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is light path schematic diagram of the present utility model；
Fig. 4 is the hexagon micro-structural schematic diagram of the utility model exit facet.
In figure, 1- convex lens；2- annular tooths；The 2a- planes of incidence；2b- fully reflecting surfaces；3c- exit facets；31- salient points；θ is represented
The angle of outermost light and lens centre vertical direction in light source.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig. 1-4, a kind of collimation lens with micro-structural, the one side of the lens body is the exit facet 3c of plane；
The center of the lens body another side is convex lens 1, and plane of incidence 2a and fully reflecting surface 2b, institute are provided with the lens body
The center for stating lens body is provided with convex lens 1；The outside of the lens body is provided with several annular tooths 2；The annular tooth 2 is wrapped
Plane of incidence 2a and fully reflecting surface 2b are included, the one side close to the convex lens 1 is plane of incidence 2a, the one side away from the convex lens 1
For fully reflecting surface 2b；
The annular tooth 2 includes crown and teeth groove；The junction of the annular tooth 2 is recessed teeth groove, the annular tooth 2
The indent direction of junction is identical；The gullet depth of the annular tooth 2 gradually increases along the direction on the outside of lens centre；The ring
The crown height of shape tooth 2 gradually increases along the direction on the outside of lens centre；
In the light of the lens entrance, the angle, θ of outermost light and lens centre vertical direction is 30-90 °；
The exit facet 3c is plane；The position of the exit facet 3c faces annular tooth 2 is provided with micro-structural, the micro-structural
For the cambered surface of multiple screw types；
The light incident from the convex lens 1, after superrefraction, is projected perpendicular to exit facet 3c；From the annular tooth 2
Light incident plane of incidence 2a, after superrefraction, reaches the fully reflecting surface 2b of the annular tooth 2, is reflected through fully reflecting surface 2b, and hang down
Directly projected in exit facet 3c.
The quantity of the annular tooth 2 is 3.The cambered surface of the micro-structural is crossed to form multiple salient points 31, the salient point 31
Height of projection relative to exit facet 3c is 0.1-2mm.The area of the micro-structural accounts for the 85% of lens exit facet 3c areas.Institute
The cambered surface curvature for stating micro-structural is changed from small to big from inside to outside.
Embodiment 2
Referring to Fig. 1-3, a kind of collimation lens with micro-structural, including lens body and plane of incidence 2a, fully reflecting surface 2b and
Exit facet 3c, the center of the lens are provided with convex lens 1；The outside of the lens is provided with several annular tooths 2；The annular tooth
2 include plane of incidence 2a and fully reflecting surface 2b, and the one side close to the convex lens 1 is plane of incidence 2a, and one away from the convex lens 1
Face is fully reflecting surface 2b；
The annular tooth 2 includes crown and teeth groove；The junction of the annular tooth 2 is recessed teeth groove, the annular tooth 2
The indent direction of junction is identical；The gullet depth of the annular tooth 2 gradually increases along the direction on the outside of lens centre；The ring
The crown height of shape tooth 2 gradually increases along the direction on the outside of lens centre；
In the light of the lens entrance, the angle, θ of outermost light and lens centre vertical direction is 30-90 °；
The exit facet 3c is plane；The position of the exit facet 3c faces annular tooth 2 is provided with micro-structural, the micro-structural
For the cambered surface of multiple hexagons；
The light incident from the convex lens 1, after superrefraction, is projected perpendicular to exit facet 3c；From the annular tooth 2
Light incident plane of incidence 2a, after superrefraction, reaches the fully reflecting surface 2b of the annular tooth 2, is reflected through fully reflecting surface 2b, and hang down
Directly projected in exit facet 3c.
The quantity of the annular tooth 2 is 3.The cambered surface of the micro-structural is crossed to form multiple salient points 31, the salient point 31
Height of projection relative to exit facet 3c is 0.1-2mm.The area of the micro-structural accounts for the 75% of lens exit facet 3c areas.Institute
The cambered surface curvature for stating micro-structural is changed from small to big from inside to outside.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into scope of the claims of the present utility model.In addition, although
Some specific terms have been used in this specification, but these terms are merely for convenience of description, not to the utility model structure
Into any restrictions.
Claims (6)
1. a kind of collimation lens with micro-structural, including lens body, it is characterised in that the one side of the lens body is plane
Exit facet；The center of the lens body another side is convex lens, is extended outwardly by the convex lens at the center provided with some
Individual annular tooth；The annular tooth includes the plane of incidence and fully reflecting surface, and is the plane of incidence close to the one side of the convex lens, away from institute
The one side for stating convex lens is fully reflecting surface；
The annular tooth includes crown and teeth groove；The junction of the annular tooth is recessed teeth groove, the annular tooth junction
Indent direction it is identical；The gullet depth of the annular tooth gradually increases along the direction on the outside of lens centre；The annular tooth
Crown height gradually increases along the direction on the outside of lens centre；
In the light of all incident lights, the angle, θ of outermost light and lens centre vertical direction is 30-90 °；
The position of annular tooth described in the exit facet face is provided with micro-structural, and the micro-structural is multiple screw types or hexagon
Cambered surface；
The light incident from the convex lens, after superrefraction, projected perpendicular to exit facet；Enter from the plane of incidence of the annular tooth
The light penetrated, after superrefraction, the fully reflecting surface of the annular tooth is reached, is reflected through fully reflecting surface, and projected perpendicular to exit facet.
2. the collimation lens with micro-structural according to claim 1, it is characterised in that the quantity of the annular tooth is 3.
3. the collimation lens with micro-structural according to claim 1, it is characterised in that the cambered surface of the micro-structural is crossed to form
Multiple salient points.
4. the collimation lens with micro-structural according to claim 3, it is characterised in that the salient point is relative to the convex of exit facet
It is 0.1-2mm to play height.
5. the collimation lens with micro-structural according to claim 1, it is characterised in that the area of the micro-structural accounts for lens and gone out
Penetrate the 30%-95% of face area.
6. the collimation lens with micro-structural according to claim 1, it is characterised in that the cambered surface curvature of the micro-structural is from interior
To changing from small to big outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482751 | 2016-12-30 | ||
| CN2016214827512 | 2016-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207162438U true CN207162438U (en) | 2018-03-30 |
Family
ID=61721974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721179922.9U Expired - Fee Related CN207162438U (en) | 2016-12-30 | 2017-09-13 | A kind of collimation lens with micro-structural |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207162438U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020010748A1 (en) * | 2018-07-09 | 2020-01-16 | 上海彩丞新材料科技有限公司 | Thin film optical lens having microstructures, design method and lighting device |
| CN112363346A (en) * | 2020-11-11 | 2021-02-12 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| CN112882230A (en) * | 2019-11-29 | 2021-06-01 | 宁波舜宇车载光学技术有限公司 | Optical system and method for eliminating color fringes |
| CN113701065A (en) * | 2021-08-26 | 2021-11-26 | 屏丽科技成都有限责任公司 | Combined light source collector and design method thereof |
-
2017
- 2017-09-13 CN CN201721179922.9U patent/CN207162438U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020010748A1 (en) * | 2018-07-09 | 2020-01-16 | 上海彩丞新材料科技有限公司 | Thin film optical lens having microstructures, design method and lighting device |
| CN112882230A (en) * | 2019-11-29 | 2021-06-01 | 宁波舜宇车载光学技术有限公司 | Optical system and method for eliminating color fringes |
| CN112363346A (en) * | 2020-11-11 | 2021-02-12 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| CN113701065A (en) * | 2021-08-26 | 2021-11-26 | 屏丽科技成都有限责任公司 | Combined light source collector and design method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20180913 |