CN103851367A - Light source - Google Patents

Light source Download PDF

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Publication number
CN103851367A
CN103851367A CN201210503526.2A CN201210503526A CN103851367A CN 103851367 A CN103851367 A CN 103851367A CN 201210503526 A CN201210503526 A CN 201210503526A CN 103851367 A CN103851367 A CN 103851367A
Authority
CN
China
Prior art keywords
lens
light
light source
luminous component
reflecting surface
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.)
Granted
Application number
CN201210503526.2A
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Chinese (zh)
Other versions
CN103851367B (en
Inventor
王耀海
刘超博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opple Lighting Co Ltd
Original Assignee
Opple Lighting Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Opple Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Priority to CN201210503526.2A priority Critical patent/CN103851367B/en
Priority to PCT/CN2013/001208 priority patent/WO2014082370A1/en
Publication of CN103851367A publication Critical patent/CN103851367A/en
Application granted granted Critical
Publication of CN103851367B publication Critical patent/CN103851367B/en
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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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention relates to a light source comprising a light emitting component and a light distribution assembly for distributing light for the light emitting component, wherein the light distribution assembly comprises a reflecting component and a lens, and the lens comprises a light incident surface, a reflecting surface and a light emergent surface; one part of light of the light emitting component enters the lens via the light incident surface and is reflected to the light emergent surface by the reflecting surface of the lens; the other part of light of the light emitting component is reflected by the reflecting component and then enters the lens via the light incident surface, and further is reflected by the reflecting surface of the lens to the light emergent surface. Due to the arranged light distribution assembly comprising the lens and the reflecting component, the light of the light emitting component is all reflected by the reflecting surface of the lens to the light emergent surface to exit at last, the light of the light emitting component is effectively controlled and one part of light is prevented from exiting through a region other than the light emergent surface.

Description

A kind of light source
Technical field
The present invention relates to lighting field, relate in particular to a kind of light source.
Background technology
A kind of light source of the prior art, comprise LED and for to 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 also provided with reflecting surface, reflecting surface is positioned at the other end of luminous intensity distribution parts, and reflecting surface will enter the light reflection of luminous intensity distribution parts to the exiting surface of luminous intensity distribution parts from incidence surface.But this light source only has the light of the low-angle part of LED to reflex to exiting surface outgoing through reflecting surface, the light of wide-angle part, directly from other position outgoing of lens, shines into light and do not concentrate, and utilization rate is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light source.
In order to solve above technical problem, light source of the present invention comprises luminous component and for the luminous intensity distribution assembly to described luminous component luminous intensity distribution, described luminous intensity distribution assembly comprises reflection part and lens, and described lens comprise incidence surface, reflecting surface and exiting surface; The part light of described luminous component enters described lens from described incidence surface, then reflexes to described exiting surface by the reflecting surface of described lens; Another part light of described luminous component enters described lens from described incidence surface after described reflection part reflection, then reflexes to described exiting surface by the reflecting surface of described lens.
Preferably, described luminous component is arranged at the just position of the 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 caves inward and is formed at the end of described lens.
Preferably, described reflection part is provided with the through hole of truncated cone-shaped, the hole wall that the reflecting surface of described reflection part is described through hole.
Preferably, described light source also comprises cooling stand, and described luminous component and reflection part are arranged in the groove of described cooling stand.
Preferably, described luminous component comprises LED.
Light source of the present invention, comprise the luminous intensity distribution assembly of lens and reflection part by setting, the light of described luminous component is all finally to reflex to exiting surface outgoing through the reflecting surface of described lens, the light of luminous component is carried out to effective control light, prevented that part light is from exiting surface region outgoing in addition.
Luminous intensity distribution assembly is arranged to comprise lens and reflection part, the incidence surface of lens is arranged to the just light-emitting area to described luminous component, the reflecting surface of reflection part is arranged on to the side of described luminous component, with the less light of optical axis included angle directly from the incidence surface incident of lens, with the incidence surface incident from lens after the reflection of reflection part of the larger light of optical axis included angle, two strands of light reflex to exiting surface outgoing through the reflecting surface of lens again, not only realize effectively control light, and can make the structure of lens be simplified, size decreases, especially make lens become thinner, be easier to processing, can reduce material and processing cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the light source of an embodiment of the present invention;
Fig. 2 is the cutaway view of light source in Fig. 1;
Fig. 3 is the cutaway 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 cutaway 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 in Fig. 1, a kind of light of light source moves towards schematic diagram.
The specific embodiment
Light source below in conjunction with Fig. 1-8 pair an embodiment of the present invention is elaborated.The light source of the present embodiment comprises luminous component 6 and for the luminous intensity distribution assembly to described luminous component 6 luminous intensity distributions, described luminous intensity distribution assembly comprises reflection part 2 and lens 1, and described lens 1 comprise incidence surface 11, reflecting surface 12 and exiting surface 13; The part light of described luminous component 6 enters described lens 1 from described incidence surface 11, then reflexes 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 reflections, then reflexes to described exiting surface 13 by the reflecting surface 12 of described lens 1.Described luminous component 6 is arranged at the just position of the 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, like this, what described luminous component 6 sent directly enters lens 1 with the less light of optical axis included angle from described incidence surface 11, what described luminous component 6 sent enters lens 1 from described incidence surface 11 with the larger light of optical axis included angle after described reflector 2 reflections, thereby prevents that light is from exiting surface 13 region outgoing in addition.It should be noted that, as shown in Figure 2, in the present embodiment, the straight line of the vertical direction at light-emitting area 61 centers of the described luminous component 6 of process 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, and more specifically, the incidence surface 11 of described lens 1 is convex lens face.By incidence surface 11 is arranged to caustic surface, can make the more concentrated directive reflecting surface 12 of light, can reduce the lateral dimension of lens 1.The reflecting surface 12 of described lens 1 is taper surface.The reflecting surface 12 of described lens 1 caves inward and is formed at the end of described lens 1.Described reflection part 2 is provided with the through hole of truncated cone-shaped, the hole wall that the reflecting surface 21 of described reflection part 2 is described through hole.Described light source also comprises cooling stand 8, and 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.On described cooling stand 8, be also provided with the pin 9 for being electrically connected.
Light source of the present invention, comprise the luminous intensity distribution assembly of lens and reflection part by setting, the light of described luminous component is all finally to reflex to exiting surface outgoing through the reflecting surface of described lens, the light of luminous component is carried out to effective control light, prevented that part light is from exiting surface region outgoing in addition.
As shown in Figure 8, luminous intensity distribution assembly is arranged to comprise lens 1 and reflection part 2, the incidence surface of lens 11 is arranged to just to described luminous component 6, the reflecting surface of reflection part 2 21 is arranged on to the side of described luminous component 6, with the less light (c of optical axis included angle, d, g, h) direct incidence surface 11 incidents from lens, with the larger light (a of optical axis included angle, b, e, f) after the reflection of reflection part 2 from incidence surface 11 incidents of lens, two strands of light reflex to exiting surface 13 outgoing through the reflecting surface 12 of lens 1 again, not only realize effectively control light, and can make the structure of lens be simplified, size decreases, especially make lens become thinner, be easier to processing, can reduce material and processing cost.

Claims (10)

1. a light source, comprises luminous component and for the luminous intensity distribution assembly to described luminous component luminous intensity distribution, described luminous intensity distribution assembly comprises reflection part and lens, and described lens comprise incidence surface, reflecting surface and exiting surface; The part light of described luminous component enters described lens from described incidence surface, then reflexes to described exiting surface by the reflecting surface of described lens; Another part light of described luminous component enters described lens from described incidence surface after described reflection part reflection, then reflexes to described exiting surface by the reflecting surface of described lens.
2. light source according to claim 1, it is characterized in that, described luminous component is arranged at the just position of the 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.
3. light source according to claim 1, is characterized in that, 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.
4. light source according to claim 1, is characterized in that, the incidence surface of described lens is caustic surface.
5. light source according to claim 4, is characterized in that, the incidence surface of described lens is convex lens face.
6. light source according to claim 1, is characterized in that, the reflecting surface of described lens is taper surface.
7. light source according to claim 1, is characterized in that, the reflecting surface of described lens caves inward and is formed at the end of described lens.
8. light source according to claim 1, is characterized in that, described reflection part is provided with the through hole of truncated cone-shaped, the hole wall that the reflecting surface of described reflection part is described through hole.
9. light source according to claim 1, is characterized in that, described light source also comprises cooling stand, and described luminous component and reflection part are arranged in the groove of described cooling stand.
10. light source according to claim 1, is characterized in that, described luminous component comprises LED.
CN201210503526.2A 2012-12-01 2012-12-01 A kind of light source Active CN103851367B (en)

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 true CN103851367A (en) 2014-06-11
CN103851367B CN103851367B (en) 2016-12-21

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WO (1) WO2014082370A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107709876A (en) * 2015-06-29 2018-02-16 恩普乐股份有限公司 Flux control member, light-emitting device and lighting device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050221518A1 (en) * 2004-03-31 2005-10-06 Peter Andrews Reflector packages and methods for packaging of a semiconductor light emitting device
CN101206271A (en) * 2006-12-19 2008-06-25 香港应用科技研究院有限公司 Device for transmitting and coupling in full reflection side
CN101240885A (en) * 2007-12-10 2008-08-13 王敏 LED small angle long distance optical lens and array
WO2008110796A1 (en) * 2007-03-12 2008-09-18 Nicotech Limited Beacons and other light-emitting units
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
CN101813270A (en) * 2010-03-22 2010-08-25 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003676B (en) * 2009-08-28 2012-10-10 鸿富锦精密工业（深圳）有限公司 Lens

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050221518A1 (en) * 2004-03-31 2005-10-06 Peter Andrews Reflector packages and methods for packaging of a semiconductor light emitting device
CN101206271A (en) * 2006-12-19 2008-06-25 香港应用科技研究院有限公司 Device for transmitting and coupling in full reflection side
WO2008110796A1 (en) * 2007-03-12 2008-09-18 Nicotech Limited Beacons and other light-emitting units
CN101240885A (en) * 2007-12-10 2008-08-13 王敏 LED small angle long distance optical lens 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
CN101813270A (en) * 2010-03-22 2010-08-25 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107709876A (en) * 2015-06-29 2018-02-16 恩普乐股份有限公司 Flux control member, light-emitting device and lighting device
CN107709876B (en) * 2015-06-29 2019-10-22 恩普乐股份有限公司 Flux control member, light emitting device and lighting device

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Publication number Publication date
WO2014082370A1 (en) 2014-06-05
CN103851367B (en) 2016-12-21

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