CN202747237U - Light source adjusting lens - Google Patents
Light source adjusting lens Download PDFInfo
- Publication number
- CN202747237U CN202747237U CN2012200904036U CN201220090403U CN202747237U CN 202747237 U CN202747237 U CN 202747237U CN 2012200904036 U CN2012200904036 U CN 2012200904036U CN 201220090403 U CN201220090403 U CN 201220090403U CN 202747237 U CN202747237 U CN 202747237U
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- light source
- light
- lens
- bright dipping
- curved surface
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Abstract
The utility model relates to a light source adjusting lens which is used for combining with a light-emitting diode light source to adjust light emitted by the light-emitting diode light source. The light source adjusting lens comprises a bottom surface, a light incident surface and a light emergent curved surface, wherein the bottom surface is symmetrical with a center axis; the light incident surface is used for accommodating the light-emitting diode light source and comprises a light incident curved surface and a light incident flat surface, the bottom surface extends into the light source adjusting lens, and the light incident flat surface is connected with the edge of the light incident curved surface; the light emergent curved surface is used for evenly emitting light rays entering the light source adjusting lens out of the light source adjusting lens; the light emergent curved surface is axially-symmetrical with the center axis and is descried by a plurality of two-dimensional coordinates; the two-dimensional coordinates take a crossing point of the bottom surface with the center axis as an original point; and a straight line of the original point is taken as an X axis on the bottom surface; and the center axis is taken as a Y axis.
Description
Technical field:
The utility model relates to the led lens field, refers to especially a kind of so that the light source of bright dipping uniformly dispersing is adjusted lens.
Background technology:
Because light emitting diode has the advantages such as volume is little, the high and low pollution of luminous power, has now become the luminous source of various electronic products, the screen such as mobile phone, computer, TV etc. all uses light emitting diode to originate as luminous energy.In addition, along with the research and development of light emitting diode is day by day ripe, the luminous intensity that light emitting diode can send also promotes gradually, and therefore the application as illumination is more extensive, just like has light sources such as replacing existing bulb, Halogen lamp LED, becomes the trend of following illumination.
Light emitting diode utilize semiconductor electronic electricity hole in conjunction with the time photon that produces during power conversion reach luminous effect, provide necessity support of light-emitting diode chip for backlight unit on electricity, light, heat by encapsulation again, and the Enviromental pollutants in the isolated external world, such as the steam in the atmosphere, cause the characteristic decline to avoid aging.Different types of encapsulation, still has lighting angle (being directive property), colourity, form and aspect, brightness etc. and has suitable impact except the characteristic that former semiconductor chip provided so that light emitting diode has various luminosity.Because encapsulation has function and technical restriction, be difficult to satisfy the required illuminating effect of people, the bright dipping of light emitting diode is fully used, so collocation light fixture or lens and adjust the bright dipping of light emitting diode become the necessary means of efficient light sources for light emitting diode.
In view of this, the inventor adheres to for many years and knows energy for research and the production of lighting field, researches and develops a kind of light source and adjusts lens, and with the increase lighting angle, and so that light guide is more even.
The utility model content:
The main purpose of the utility model aims to provide a kind of increase lighting angle and effective light emitting diode that promotes illumination uniformity is adjusted lens with light source.
For reaching above-mentioned purpose, the light source of the utility model is adjusted lens, is to supply in conjunction with a LED source, and to adjust the bright dipping of this LED source, this light source is adjusted lens system and comprised: a bottom surface is symmetrical with a central shaft; One incidence surface is for accommodating this LED source, and makes the bright dipping of this LED source enter this light source adjustment lens, and this incidence surface comprises: an incident curved surfaces, adjust the inner extension of lens by this bottom surface to this light source; Reach one and enter optical plane, connect this incident curved surfaces edge; An and bright dipping curved surface, evenly to penetrate this light source for the light that enters these light source adjustment lens to adjust lens, this bright dipping curved surface presents axial symmetry with this central shaft, and with a plurality of two-dimensional coordinates this bright dipping curved surface is described, these two-dimensional coordinates are take this bottom surface and this central shaft intersection point as initial point, straight line by initial point on this bottom surface is X-axis, this central shaft is Y-axis, comprises following each point: (0,3.70), (2.19,3.92), (3.57,3.74), (4.86,3.20), (5.77,2.46), (6.38,1.62), (6.80,0).In order to make bright dipping more even, it is cloudy surface that this incident curved surfaces and this enter optical plane.And this bottom surface is cloudy surface.
In an embodiment, this light source is adjusted lens and is more comprised a plurality of posts that set up, and is located at this bottom surface, so that be assembled with this LED source, and these sides of setting up post are the cloudy surface structure, and these set up post system and are formed by a plurality of cylinders serial connections of different diameters.In addition, more comprise a plurality of chucking lugs, these chucking lugs are extended along this bottom surface by this bright dipping curved surface, so that this light source is adjusted the use of lens.
By above-mentioned design, can be effectively so that the luminous energy tool applicability that light emitting diode provides is improved so that light emitting diode has the characteristic of directive property, and make the scope of illumination and angle larger, be more convenient for using.In addition, also change the concentrated characteristic of light emitting diode brightness, so that the bright dipping of light emitting diode after in conjunction with lens evenly distribute, and be suitable for using.
Description of drawings:
Fig. 1 is the stereogram of the utility model preferred embodiment.
Fig. 2 is the curvature chart of the utility model preferred embodiment.
Fig. 3 is the stereogram of another preferred embodiment of the utility model.
The specific embodiment:
See also shown in Fig. 1,2, be stereogram and the curvature chart of the utility model preferred embodiment.As shown in FIG., the light source of the utility model is adjusted lens 1, to supply in conjunction with a LED source 3, to adjust the bright dipping of this LED source 3, this light source is adjusted lens 1 by a bottom surface 10, an incidence surface 12 and its profile of a bright dipping curved surface 14 construction, this bottom surface 10 is to be symmetrical with a central shaft 2, as being with the circle of this central shaft 2 as the center of circle in the present embodiment, and form this bottom surface 10 that this light source is adjusted lens 1, and in order to reduce the luminous energy of 10 loss from this bottom surface, this bottom surface 10 can be the cloudy surface design.12 of this incidence surfaces are arranged with in this light source adjustment lens 1 inside from this bottom surface 10 centered by this central shaft 2, for accommodating this LED source 3, and make the bright dipping of this LED source 3 enter this light source adjustment lens 1.In present embodiment, this incidence surface 12, and forms being referred to as irregular taper body as symmetry axis with this central shaft 2.This incidence surface 12 enters optical plane 122 by an incident curved surfaces 120 and and is consisted of, this incident curved surfaces 120 is adjusted lens 1 inner the extension by this bottom surface 10 to this light source, wherein, this incident curved surfaces 120 is cloudy surface, and makes the light that enters these light source adjustment lens 1 be able to uniformly dispersing.The edge circle of this incident curved surfaces 120 enters the scope of optical plane 122 around forming this, so that enter the light adjustment effect that obtains difference when optical plane 122 enters these light source adjustment lens 1 by the bright dipping of this LED source 3 in this incident curved surfaces 120 and this, this enters the design that optical plane 122 also can be cloudy surface, so that the light distribution is more even.
The light that enters these light source adjustment lens 1 penetrates this light sources via this bright dipping curved surface 14 and adjusts lens 1, and is larger and more even so that light penetrates the rising angle of these light source adjustment lens 1.This bright dipping curved surface 14 presents axial symmetry with this central shaft 2, making this bottom surface 10 is initial point with these central shaft 2 intersection points, straight line by initial point on this bottom surface 10 is X-axis, this central shaft 2 is Y-axis, then the curvature of this bright dipping curved surface 14 can be described this bright dipping curved surface 14 by a plurality of two-dimensional coordinates, these two-dimensional coordinates are following each point: (0,3.70), (2.19,3.92), (3.57,3.74), (4.86,3.20), (5.77,2.46), (6.38,1.62), (6.80,0).
See also Fig. 3, stereogram for another preferred embodiment of the utility model, in present embodiment, adjusting lens 1 for convenient this light source is assembled with this LED source 3, this bottom surface 10 more is provided with a plurality of posts 16 that set up, these set up post 16 and can be formed by a plurality of cylinder serial connections of different diameters, and end is designed by the mode of its application, and these sides of setting up post 16 also can be the cloudy surface structure.In addition, the use for convenient these light source adjustment lens 1 more comprises a plurality of chucking lugs 18, is extended along this bottom surface 10 by this bright dipping curved surface 14.
As mentioned above, the utility model utilizes lens so that the bright dipping of light emitting diode is adjusted by birefringence when implementing, for the first time refraction so that the luminous energy that light emitting diode provides evenly disperse in the light that enters lens, and by incident curved surfaces and enter the optics adjustment function that two different structures of optical plane form difference.Thereafter, the curvature of design bright dipping curved surface and so that the effect of evenly dispersing is more strengthened in for the second time refraction, so that lens effectively improve the characteristics of luminescence that light emitting diode has directive property, and the brightness uniformly dispersing that will concentrate, and the bright dipping uniformly dispersing after allowing light emitting diode in conjunction with lens, and have more applicability.
Comprehensive the above person is the preferred embodiment of the utility model only, is not the scope that limits the utility model enforcement, and other transition regime is also all among the category of this patent; So done equivalence or variation person easily Deng haveing the knack of this technology, change and modify in the spirit that does not break away from the utility model and the lower equalization of being done of scope, all should be covered by in the claim of the utility model.
Claims (8)
1. a light source is adjusted lens, is to supply in conjunction with a LED source, and to adjust the bright dipping of this LED source, this light source is adjusted lens and comprised: a bottom surface is symmetrical with a central shaft; One incidence surface is for accommodating this LED source, and makes the bright dipping of this LED source enter this light source adjustment lens, and this incidence surface comprises: an incident curved surfaces, adjust the inner extension of lens by this bottom surface to this light source; Reaching one and enter optical plane, is to connect this incident curved surfaces edge; An and bright dipping curved surface, evenly to penetrate this light source for the light that enters these light source adjustment lens to adjust lens, this bright dipping curved surface presents axial symmetry with this central shaft, and with a plurality of two-dimensional coordinates this bright dipping curved surface is described, these two-dimensional coordinates are take this bottom surface and this central shaft intersection point as initial point, straight line by initial point on this bottom surface is X-axis, this central shaft is Y-axis, comprises following each point: (0,3.70), (2.19,3.92), (3.57,3.74), (4.86,3.20), (5.77,2.46), (6.38,1.62), (6.80,0).
2. light source according to claim 1 is adjusted lens, and it is characterized in that: this incident curved surfaces is cloudy surface.
3. light source according to claim 1 and 2 is adjusted lens, and it is characterized in that: this enters optical plane is cloudy surface.
4. light source according to claim 1 is adjusted lens, and it is characterized in that: this bottom surface is cloudy surface.
5. light source according to claim 1 is adjusted lens, it is characterized in that: more comprise a plurality of posts that set up, be located at this bottom surface.
6. light source according to claim 5 is adjusted lens, and it is characterized in that: these sides of setting up post are the cloudy surface structure.
According to claim 5 or 6 described light sources adjust lens, it is characterized in that: these set up post and are formed by a plurality of cylinders serial connections of different diameters.
8. light source according to claim 1 is adjusted lens, and it is characterized in that: more comprise a plurality of chucking lugs, these chucking lugs are extended along this bottom surface by this bright dipping curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200904036U CN202747237U (en) | 2012-03-13 | 2012-03-13 | Light source adjusting lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200904036U CN202747237U (en) | 2012-03-13 | 2012-03-13 | Light source adjusting lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202747237U true CN202747237U (en) | 2013-02-20 |
Family
ID=47706627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200904036U Expired - Fee Related CN202747237U (en) | 2012-03-13 | 2012-03-13 | Light source adjusting lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202747237U (en) |
-
2012
- 2012-03-13 CN CN2012200904036U patent/CN202747237U/en not_active Expired - Fee Related
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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: 20130220 Termination date: 20150313 |
|
| EXPY | Termination of patent right or utility model |