JP4047266B2 - 灯具 - Google Patents
灯具 Download PDFInfo
- Publication number
- JP4047266B2 JP4047266B2 JP2003389884A JP2003389884A JP4047266B2 JP 4047266 B2 JP4047266 B2 JP 4047266B2 JP 2003389884 A JP2003389884 A JP 2003389884A JP 2003389884 A JP2003389884 A JP 2003389884A JP 4047266 B2 JP4047266 B2 JP 4047266B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- phosphor
- lamp
- reflecting mirror
- light source
- 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.)
- Expired - Fee Related
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- 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]
-
- 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
- F21Y2115/30—Semiconductor lasers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0087—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for illuminating phosphorescent or fluorescent materials, e.g. using optical arrangements specifically adapted for guiding or shaping laser beams illuminating these materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02251—Out-coupling of light using optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (9)
- 光を発生する灯具であって
光を発生する半導体発光素子と、
前記半導体発光素子から離間して設けられた蛍光体と、
前記半導体発光素子が発生する光を、前記蛍光体に集光する第1光学部材と、
前記蛍光体が設けられている位置に光学的中心を有し、前記第1光学部材により集光された光に応じて前記蛍光体が発生する光を、前記灯具の外部に照射する第2光学部材と
を備え、
前記蛍光体は、前記半導体発光素子よりも前方に設けられ、
前記第2光学部材は、前記半導体発光素子と前記蛍光体との間に設けられ、前記蛍光体から入射する光を前方に反射する反射鏡であり、
前記反射鏡は、前記半導体発光素子から前記蛍光体に向かう方向に光を透過する光透過部を有し、
前記第1光学部材は、前記光透過部を透過する光を、前記蛍光体に集光するレンズである灯具。 - 前記灯具は、車両の前照灯に用いられる灯具であって、
前記第2光学部材は、前記蛍光体が発生する光を前記灯具の外部に照射することにより、前記前照灯の配光パターンの明暗境界を定めるカットラインの少なくとも一部を形成する請求項1に記載の灯具。 - 前記光透過部は、前記第2光学部材の一部に設けられた穴であり、
前記レンズは、少なくとも一部分を前記穴と嵌合させることにより、前記第2光学部材に固定される請求項1に記載の灯具。 - 前記半導体発光素子は紫外光を発生し、
前記蛍光体は紫外光に応じて白色光を発生し、
前記灯具は、
白色光を透過し、かつ紫外光を遮断する素材により、前記蛍光体より前方に形成され、前記第2光学部材を介して前記蛍光体から入射する光を、前記車両の前方に透過する透光性部材を更に備える請求項1に記載の灯具。 - 前記透光性部材における後方側の面の一部に形成され、前記蛍光体が発生する光を後方に反射する第2の反射鏡を更に備え、
前記蛍光体は、前記第2の反射鏡を挟んで前記透光性部材と対向するように、前記第2の反射鏡の少なくとも一部に塗布され、
前記第2光学部材は、前記第2の反射鏡に反射された光を前方に反射することにより、前記蛍光体からの光を、前記透光性部材を透過させて、前記灯具の外部に照射する請求項4に記載の灯具。 - 複数の前記半導体発光素子を備え、
前記第1光学部材は、前記複数の半導体発光素子からの光を、同じ前記蛍光体に集光する請求項1に記載の灯具。 - 前記蛍光体が発生する光を透過する素材により、前記第2光学部材から前記蛍光体へ向かって延伸して形成された光透過部材を更に備え、
前記第2光学部材は、前記光透過部材の表面の一部に形成され、
前記レンズは、前記光透過部材と同じ素材により、前記光透過部材と一体に形成され、
前記蛍光体は、前記光透過部材における前記第2光学部材と対向する面の一部に塗布された請求項1に記載の灯具。 - 前記半導体発光素子が発生した光を一端に受け取り、他端から出射する光ファイバーを更に備え、
前記第1光学部材は、前記光ファイバーが出射した光を前記蛍光体に集光する請求項1に記載の灯具。 - 前記半導体発光素子は、レーザーダイオードである請求項1に記載の灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003389884A JP4047266B2 (ja) | 2003-11-19 | 2003-11-19 | 灯具 |
US10/985,714 US7165871B2 (en) | 2003-11-19 | 2004-11-10 | Lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003389884A JP4047266B2 (ja) | 2003-11-19 | 2003-11-19 | 灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005150041A JP2005150041A (ja) | 2005-06-09 |
JP4047266B2 true JP4047266B2 (ja) | 2008-02-13 |
Family
ID=34567525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003389884A Expired - Fee Related JP4047266B2 (ja) | 2003-11-19 | 2003-11-19 | 灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7165871B2 (ja) |
JP (1) | JP4047266B2 (ja) |
Cited By (3)
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JP2012094466A (ja) * | 2010-10-29 | 2012-05-17 | Stanley Electric Co Ltd | 灯具ユニット |
JP2012104306A (ja) * | 2010-11-09 | 2012-05-31 | Stanley Electric Co Ltd | 車両用前照灯 |
US8702289B2 (en) | 2010-10-29 | 2014-04-22 | Stanley Electric Co., Ltd. | Lighting unit |
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JP2005150041A (ja) | 2005-06-09 |
US7165871B2 (en) | 2007-01-23 |
US20050105301A1 (en) | 2005-05-19 |
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