CN103851367B - A kind of light source - Google Patents
A kind of light source Download PDFInfo
- Publication number
- CN103851367B CN103851367B CN201210503526.2A CN201210503526A CN103851367B CN 103851367 B CN103851367 B CN 103851367B CN 201210503526 A CN201210503526 A CN 201210503526A CN 103851367 B CN103851367 B CN 103851367B
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- luminous component
- light source
- reflection part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention relates to a kind of light source, including luminous component with for the luminous intensity distribution assembly to described luminous component luminous intensity distribution, described luminous intensity distribution assembly includes that reflection part and lens, described lens include incidence surface, reflecting surface and exiting surface；The some light of described luminous component enters described lens from described incidence surface, then by the reflective surface of described lens to described exiting surface；Another part light of described luminous component enters described lens from described incidence surface after described reflection part reflects, then by the reflective surface of described lens to described exiting surface.The luminous intensity distribution assembly of lens and reflection part is included by setting, the light of described luminous component is the most all to exiting surface outgoing through the reflective surface of described lens, the light of luminous component is carried out effective control light, the region outgoing beyond exiting surface of the preventing portion light splitter.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of light source.
Background technology
A kind of light source of the prior art, including LED with for the luminous intensity distribution parts of LED luminous intensity distribution, one end of luminous intensity distribution parts is provided with the incidence surface of spheric, luminous intensity distribution parts are additionally provided with reflecting surface, reflecting surface is positioned at the other end of luminous intensity distribution parts, and the light entering luminous intensity distribution parts from incidence surface is reflexed to the exiting surface of luminous intensity distribution parts by reflecting surface.But this light source only has the light of the low-angle part of LED to be reflected face reflexes to exiting surface outgoing, and the light of wide-angle part directly from other position outgoing of lens, shines into light and do not concentrates, and utilization rate is low.
Summary of the invention
The technical problem to be solved is to provide a kind of light source.
In order to solve above technical problem, the light source of the present invention includes luminous component and for the luminous intensity distribution assembly to described luminous component luminous intensity distribution, and described luminous intensity distribution assembly includes that reflection part and lens, described lens include incidence surface, reflecting surface and exiting surface；The some light of described luminous component enters described lens from described incidence surface, then by the reflective surface of described lens to described exiting surface；Another part light of described luminous component enters described lens from described incidence surface after described reflection part reflects, then by the reflective surface of described lens to described exiting surface.
Preferably, described luminous component is arranged at the position of just incidence surface to described lens, and the light-emitting area of described luminous component is just to described incidence surface, and the reflecting surface of described reflection part is arranged at the side of described luminous component.
Preferably, the incidence surface of described lens is arranged at one end of described lens, and the reflecting surface of described lens is arranged at the other end of described lens, and the exiting surface of described lens is arranged at the side of described lens.
Preferably, the incidence surface of described lens is caustic surface.
Preferably, the incidence surface of described lens is convex lens face.
Preferably, the reflecting surface of described lens is taper surface.
Preferably, the reflecting surface of described lens is formed at the end of described lens with caving inward.
Preferably, described reflection part is provided with the through hole of truncated cone-shaped, and the reflecting surface of described reflection part is the hole wall of described through hole.
Preferably, described light source also includes that cooling stand, described luminous component and reflection part are arranged in the groove of described cooling stand.
Preferably, described luminous component includes LED.
The light source of the present invention, the luminous intensity distribution assembly of lens and reflection part is included by setting, the light of described luminous component is the most all to exiting surface outgoing through the reflective surface of described lens, the light of luminous component has been carried out effective control light, the region outgoing beyond exiting surface of the preventing portion light splitter.
It is arranged to include lens and reflection part by luminous intensity distribution assembly, the incidence surface of lens is arranged to the light-emitting area just to described luminous component, the reflecting surface of reflection part is arranged on the side of described luminous component, the light less with optical axis included angle is directly incident from the incidence surface of lens, after being reflected the reflection of parts with light that optical axis included angle is bigger incident from the incidence surface of lens, two strands of light again through the reflective surface of lens to exiting surface outgoing, not only realize effectively controlling light, and the structure that can make lens is simplified, size diminishes, lens are especially made to become thinner, it is more readily processed, material and processing cost can be reduced.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the light source of an embodiment of the present invention；
Fig. 2 is the sectional view of light source in Fig. 1；
Fig. 3 is the sectional view of the lens of light source in Fig. 1；
Fig. 4 is the schematic diagram at a visual angle of the lens of light source in Fig. 1；
Fig. 5 is the schematic diagram at another visual angle of the lens of light source in Fig. 1；
Fig. 6 is the sectional view of the reflection part of light source in Fig. 1；
Fig. 7 is the schematic diagram at a visual angle of the reflection part of light source in Fig. 1；
Fig. 8 is that a kind of light of light source in Fig. 1 moves towards schematic diagram.
Detailed description of the invention
Light source below in conjunction with-8 pairs of an embodiment of the present invention of Fig. 1 is described in detail.The light source of the present embodiment includes luminous component 6 and for the luminous intensity distribution assembly to described luminous component 6 luminous intensity distribution, and described luminous intensity distribution assembly includes that reflection part 2 and lens 1, described lens 1 include incidence surface 11, reflecting surface 12 and exiting surface 13；The some light of described luminous component 6 enters described lens 1 from described incidence surface 11, then is reflexed to described exiting surface 13 by the reflecting surface 12 of described lens 1；Another part light of described luminous component 6 enters described lens 1 from described incidence surface 11 after described reflection part 2 reflects, then is reflexed to described exiting surface 13 by the reflecting surface 12 of described lens 1.Described luminous component 6 is arranged at the position of just incidence surface 11 to described lens 1, the light-emitting area 61 of described luminous component 6 is just to described incidence surface, the reflecting surface 21 of described reflection part 2 is arranged at the side of described luminous component 6, so, the light less with optical axis included angle that described luminous component 6 sends is directly entered lens 1 from described incidence surface 11, the light bigger with optical axis included angle that described luminous component 6 sends enters lens 1 from described incidence surface 11 after described reflector 2 reflects, thus prevents light region outgoing beyond exiting surface 13.It should be noted that as in figure 2 it is shown, in the present embodiment, the straight line through the vertical direction at light-emitting area 61 center of described luminous component 6 is the optical axis of light source.The incidence surface 11 of described lens 1 is arranged at one end of described lens 1, and the reflecting surface 12 of described lens 1 is arranged at the other end of described lens 1, and the exiting surface 13 of described lens 1 is arranged at the side of described lens 1.The incidence surface 11 of described lens 1 is caustic surface, more specifically, the incidence surface 11 of described lens 1 is convex lens face.By incidence surface 11 is arranged to caustic surface, the directive reflecting surface 12 that light is more concentrated can be made, the lateral dimension of lens 1 can be reduced.The reflecting surface 12 of described lens 1 is taper surface.The reflecting surface 12 of described lens 1 is formed at the end of described lens 1 with caving inward.Described reflection part 2 is provided with the through hole of truncated cone-shaped, the hole wall that reflecting surface 21 is described through hole of described reflection part 2.Described light source also includes that cooling stand 8, described luminous component 6 and reflection part 2 are arranged in the groove of described cooling stand 8.In the present embodiment, described luminous component 6 is a LED.The pin 9 for electrical connection it is additionally provided with on described cooling stand 8.
The light source of the present invention, the luminous intensity distribution assembly of lens and reflection part is included by setting, the light of described luminous component is the most all to exiting surface outgoing through the reflective surface of described lens, the light of luminous component has been carried out effective control light, the region outgoing beyond exiting surface of the preventing portion light splitter.
As shown in Figure 8, it is arranged to luminous intensity distribution assembly include lens 1 and reflection part 2, the incidence surface 11 of lens is arranged to just to described luminous component 6, the reflecting surface 21 of reflection part 2 is arranged on the side of described luminous component 6, with the light (c that optical axis included angle is less, d, g, h) directly incident from the incidence surface 11 of lens, with the light (a that optical axis included angle is bigger, b, e, f) it is reflected after the reflection of parts 2 incident from the incidence surface 11 of lens, two strands of light reflecting surface 12 through lens 1 again reflexes to exiting surface 13 outgoing, not only realize effectively controlling light, and the structure that can make lens is simplified, size diminishes, lens are especially made to become thinner, it is more readily processed, material and processing cost can be reduced.
Claims (8)
1. a light source, including luminous component with for the luminous intensity distribution assembly to described luminous component luminous intensity distribution, described luminous intensity distribution assembly bag
Including reflection part and lens, described lens include incidence surface, reflecting surface and exiting surface;The some light of described luminous component is from institute
State incidence surface and enter described lens, then by the reflective surface of described lens to described exiting surface；Another of described luminous component
Some light enters described lens, then the reflective surface by described lens from described incidence surface after described reflection part reflects
To described exiting surface；
Wherein, the incidence surface of described lens is caustic surface, and the reflecting surface of described lens is formed at described lens with caving inward
End, described reflection part is provided with the through hole of truncated cone-shaped, and described caustic surface extends into described through hole.
Light source the most according to claim 1, it is characterised in that described luminous component is arranged at and just described lens is entered light
The position in face, the light-emitting area of described luminous component is just to described incidence surface, and the reflecting surface of described reflection part is arranged at described sending out
The side of light parts.
3. according to the light source described in claim 1, it is characterised in that the incidence surface of described lens is arranged at the one of described lens
End, the reflecting surface of described lens is arranged at the other end of described lens, and the exiting surface of described lens is arranged at the side of described lens
Face.
Light source the most according to claim 1, it is characterised in that the incidence surface of described lens is convex lens face.
5. according to the light source described in claim 1, it is characterised in that the reflecting surface of described lens is taper surface.
6. according to the light source described in claim 1, it is characterised in that the reflecting surface of described reflection part is the hole of described through hole
Wall.
7. according to the light source described in claim 1, it is characterised in that described light source also includes cooling stand, described luminous component
With in the groove that reflection part is arranged at described cooling stand.
8. according to the light source described in claim 1, it is characterised in that described luminous component includes LED.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503526.2A CN103851367B (en) | 2012-12-01 | 2012-12-01 | A kind of light source |
| PCT/CN2013/001208 WO2014082370A1 (en) | 2012-12-01 | 2013-10-08 | Light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503526.2A CN103851367B (en) | 2012-12-01 | 2012-12-01 | A kind of light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103851367A CN103851367A (en) | 2014-06-11 |
| CN103851367B true CN103851367B (en) | 2016-12-21 |
Family
ID=50827124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210503526.2A Active CN103851367B (en) | 2012-12-01 | 2012-12-01 | A kind of light source |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103851367B (en) |
| WO (1) | WO2014082370A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6541126B2 (en) | 2015-06-29 | 2019-07-10 | 株式会社エンプラス | Light flux control member, light emitting device and lighting device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7326583B2 (en) * | 2004-03-31 | 2008-02-05 | Cree, Inc. | Methods for packaging of a semiconductor light emitting device |
| CN101206271B (en) * | 2006-12-19 | 2012-04-11 | 香港应用科技研究院有限公司 | Device for transmitting and coupling in full reflection side |
| GB0704681D0 (en) * | 2007-03-12 | 2007-04-18 | Nicotech Ltd | Beacons and other light-emitting units |
| CN100538160C (en) * | 2007-12-10 | 2009-09-09 | 王敏 | LED small angle long distance light microscopic group and array |
| CN201198995Y (en) * | 2008-05-16 | 2009-02-25 | 瀚昱能源科技股份有限公司 | LED lens structure and LED illuminating equipment used thereby |
| CN101776242A (en) * | 2009-01-12 | 2010-07-14 | 林万炯 | Side light guiding lens for light emitting diode (LED) light source |
| CN102003676B (en) * | 2009-08-28 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Lens |
| CN101813270B (en) * | 2010-03-22 | 2012-05-23 | 海洋王照明科技股份有限公司 | Airport taxiway sidelight |
| CN201992566U (en) * | 2010-12-23 | 2011-09-28 | 四川九洲光电科技股份有限公司 | Wide-angle light distribution lens for light emitting diode (LED) |
| CN102537843A (en) * | 2012-01-20 | 2012-07-04 | 中国科学院上海技术物理研究所 | Secondary optical lens module |
-
2012
- 2012-12-01 CN CN201210503526.2A patent/CN103851367B/en active Active
-
2013
- 2013-10-08 WO PCT/CN2013/001208 patent/WO2014082370A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN103851367A (en) | 2014-06-11 |
| WO2014082370A1 (en) | 2014-06-05 |
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