CN203068422U - Lens for LED lighting - Google Patents
Lens for LED lighting Download PDFInfo
- Publication number
- CN203068422U CN203068422U CN2013200905387U CN201320090538U CN203068422U CN 203068422 U CN203068422 U CN 203068422U CN 2013200905387 U CN2013200905387 U CN 2013200905387U CN 201320090538 U CN201320090538 U CN 201320090538U CN 203068422 U CN203068422 U CN 203068422U
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- lens
- light
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- post
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Abstract
The utility model relates to a lens for LED lighting, which comprises a lens body; an incident plane and an emergence plane are respectively arranged at two ends of the lens; one side surface of the lens is a reflecting plane; and a light mixing pillar is arranged on the incident plane of the lens. Through the adoption of the structure, main light emitted by a light source is sufficiently mixed in the light mixing pillar to eliminate the self defect of the light source, the overall height of the lens is reduced, and the production cost of the lens and the cost of a lamp are lowered.
Description
Technical field
The utility model relates to a kind of lens, particularly the illuminating light-distribution lens of a kind of LED.
Background technology
Present LED illumination secondary light-distribution lens, basic function is rising angle and the light extraction efficiency of control light, but the raising that the illumination comfort level is required along with development of technology and people, present lens much just can not satisfy instructions for use, particularly at the new type light source of COB packaged light source and cree company, the common feature of these light sources is not LINEAR CONTINUOUS of the inconsistent and light-emitting area of whole colour temperature, cause by behind the secondary light-distribution lens, emergent light colour temperature and brightness are inconsistent, make colour temperature and the brightness of shadow surface inconsistent, give discomfort, and traditional solution is to use compound eye or hair side, but the light efficiency of this dual mode is all very low.
The utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, provide a kind of in compression lens whole height, the even illuminating light-distribution lens of LED of emergent light.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
The illuminating light-distribution lens of a kind of LED comprises lens body, and the two ends of described lens body are respectively the plane of incidence and exit facet, and the side of described lens body is reflecting surface, and the plane of incidence of described lens body is provided with the mixed light post.
Preferably, the cross section of described mixed light post is circle or polygon.
Preferably, the plane of incidence area of described mixed light post is greater than 30% of coupling light source luminescent area.Make more rays enter the mixed light post, make the light extraction efficiency of lens higher.
Preferably, the length of described mixed light post is the twice of the diameter of described mixed light post at least.Make the mixed light better effects if, colour temperature and the brightness uniformity of plane of illumination are better.
More excellent, the face shape of described scale is free form surface.
More excellent, described exit facet is concave surface.
Need to prove, the end face that concave surface herein refers to exit facet by rise near its radial outer periphery place, near its center indent gradually radially.By such mode, can further compress the lens volume, can add heavy caliber simultaneously, the equally distributed effect of emergent light when guaranteeing highly to reduce.
More excellent, the sidewall of described mixed light post is the mixed light reflecting surface.Adopt such structure, after light enters the mixed light post, repeatedly total reflection takes place in the mixed light post, can play the beneficial effect of abundant mixed light, the light that penetrates from the mixed light post is even.
More excellent, described mixed light post is stretched out by the plane of incidence 2 of lens body.
More excellent, described mixed light post is positioned at the radially middle part of the plane of incidence, described mixed light post and the coaxial extension of lens body.
Compared with prior art, the beneficial effects of the utility model are:The chief ray of light source outgoing mixes in the mixed light post fully, to eliminate the defective of light source itself, has also reduced the whole height of lens, has reduced the production cost of lens and the cost of light fixture.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 partly cuts open perspective view for Fig. 1's;
Fig. 4 is Fig. 3 midship section schematic diagram;
Fig. 5 is the perspective view of the utility model exit end line of vision;
Fig. 6 for the utility model incident look closely to schematic diagram.
Mark among the figure: lens body-1; The plane of incidence-2; Exit facet-3; Reflecting surface-4; Scale-4a; Mixed light post-5; Mixed light reflecting surface-5a.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Embodiment of the present utility model is not limited to following examples, all belongs within the protection domain of the present utility model in the various variations of making under the prerequisite that does not break away from the utility model aim.
Extremely shown in Figure 6 as Fig. 1, the illuminating light-distribution lens of a kind of LED of present embodiment, comprise lens body 1, the two ends of lens body 1 are respectively the plane of incidence 2 and exit facet 3, the side of lens body 1 is reflecting surface 4, in order further to increase the uniformity coefficient of emergent light, reflecting surface 4 is combined by several scales 4a, emergent light is through some scale 4a reflection modulation stacks on the reflecting surface 4, even make lens body 1 under situation about highly reducing, still can have good equal light effect, the face shape of scale 4a is curved surface, and the curvature between adjacent two scale 4a is discontinuous.Exit facet 3 is concave surface, that is: the end face of exit facet 3 by rise near its radial outer periphery place, near its center indent gradually radially, as further compressing the lens volume, simultaneously can add heavy caliber, the equally distributed effect of emergent light when guaranteeing highly to reduce, in the present embodiment, be provided with the projection of dome-type at the middle part of exit facet 3.The plane of incidence 2 of lens body 1 is provided with mixed light post 5, the cross section of mixed light post 5 is circle or polygon, pentagon for example, hexagon etc., the plane of incidence area of described mixed light post 5 is greater than 30% of coupling light source luminescent area, the length of described mixed light post 5 is the twice of the diameter of described mixed light post 5 at least, the sidewall of mixed light post 5 is mixed light reflecting surface 5a, mixed light post 5 is stretched out by the plane of incidence 2 of lens body 1, mixed light post 5 is positioned at the radially middle part of the plane of incidence 2, repeatedly total reflection after light enters mixed light post 5, takes place in mixed light post 5 and lens body 1 coaxial extension in mixed light post 5, play the effect of abundant mixed light, make the light that penetrates in the mixed light post 5 even.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (4)
1. the illuminating light-distribution lens of LED comprises lens body, and the two ends of described lens body are respectively the plane of incidence and exit facet, and the side of described lens body is reflecting surface, it is characterized in that: the plane of incidence of described lens body is provided with the mixed light post.
2. the illuminating light-distribution lens of LED according to claim 1, it is characterized in that: the cross section of described mixed light post is circle or polygon.
3. the illuminating light-distribution lens of LED according to claim 2 is characterized in that: the plane of incidence area of described mixed light post is greater than 30% of coupling light source luminescent area.
4. the illuminating light-distribution lens of LED according to claim 3, it is characterized in that: the length of described mixed light post is the twice of the diameter of described mixed light post at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200905387U CN203068422U (en) | 2013-02-28 | 2013-02-28 | Lens for LED lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200905387U CN203068422U (en) | 2013-02-28 | 2013-02-28 | Lens for LED lighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203068422U true CN203068422U (en) | 2013-07-17 |
Family
ID=48767201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200905387U Expired - Fee Related CN203068422U (en) | 2013-02-28 | 2013-02-28 | Lens for LED lighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203068422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676280A (en) * | 2013-11-30 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Flashlight and light distribution lens thereof |
| CN105757610A (en) * | 2016-05-19 | 2016-07-13 | 常州市友晟电子有限公司 | Small-beam-angle and low-glare LED lens with square light spots |
| CN108413354A (en) * | 2018-02-27 | 2018-08-17 | 江苏大学 | A kind of LED blackboard lights lens |
-
2013
- 2013-02-28 CN CN2013200905387U patent/CN203068422U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676280A (en) * | 2013-11-30 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Flashlight and light distribution lens thereof |
| CN104676280B (en) * | 2013-11-30 | 2019-04-16 | 海洋王（东莞）照明科技有限公司 | A kind of flashlight and its light-distribution lens |
| CN105757610A (en) * | 2016-05-19 | 2016-07-13 | 常州市友晟电子有限公司 | Small-beam-angle and low-glare LED lens with square light spots |
| CN108413354A (en) * | 2018-02-27 | 2018-08-17 | 江苏大学 | A kind of LED blackboard lights lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20160228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |