JP2009193867A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2009193867A JP2009193867A JP2008034773A JP2008034773A JP2009193867A JP 2009193867 A JP2009193867 A JP 2009193867A JP 2008034773 A JP2008034773 A JP 2008034773A JP 2008034773 A JP2008034773 A JP 2008034773A JP 2009193867 A JP2009193867 A JP 2009193867A
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- Japan
- Prior art keywords
- light source
- semiconductor light
- distribution pattern
- reflecting surface
- light distribution
- Prior art date
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Classifications
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- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
- F21S41/141—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
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- 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
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
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- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
-
- 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)
Abstract
【解決手段】車両に搭載される灯具において、第1半導体光源と、第2半導体光源と、前記第1半導体光源が点灯された場合、該第1半導体光源が発光した光を反射し、第1配光パターンを形成するとともに、前記第2半導体光源が点灯された場合、該第2半導体光源が発光した光を反射し、前記第1配光パターンとは異なる第2配光パターンを形成する第1反射面と、を備えることを特徴とする。
【選択図】 図1
Description
に向け、かつ、複数のLEDチップ11R、11Lを灯具光軸AXに直交する直線CL(光源軸CL)上に並べた状態(複数のLEDチップ11R、11Lの前端縁を直線CLに沿わせた状態)で、所定間隔Hをおいて配置されている。
Claims (5)
- 車両に搭載される灯具において、
第1半導体光源と、
第2半導体光源と、
前記第1半導体光源が点灯された場合、該第1半導体光源が発光した光を反射し、第1配光パターンを形成するとともに、前記第2半導体光源が点灯された場合、該第2半導体光源が発光した光を反射し、前記第1配光パターンとは異なる第2配光パターンを形成する第1反射面と、
を備えることを特徴とする車両用灯具。 - 前記第1半導体光源及び前記第2半導体光源は、それぞれの発光面を上又は下のいずれか一方の側に向けた状態で同一直線上に所定間隔をおいて配置されており、
前記第1反射面は、前記第1半導体光源に焦点が設定された水平方向に延びる放物柱面であることを特徴とする請求項1に記載の車両用灯具。 - 前記第1半導体光源及び前記第2半導体光源は、それぞれ一列に並べられた複数の半導体発光素子を備えており、
前記第1半導体光源及び前記第2半導体光源は、それぞれの発光面を上又は下のいずれか一方の側に向け、かつ、前記第1半導体光源と前記第2半導体光源それぞれの複数の半導体発光素子を同一直線上に並べた状態で所定間隔をおいて配置されており、
前記第1反射面は、前記第1半導体光源に焦点が設定された水平方向に延びる放物柱面であることを特徴とする請求項1に記載の車両用灯具。 - 前記第1反射面に対して灯具正面視左又は右のいずれか一方の側に配置された第2反射面と、
前記第1反射面に対して前記一方の側とは反対の他方の側に配置された第3反射面と、
をさらに備えており、
前記第2反射面は、前記第1半導体光源が点灯された場合、該第1半導体光源が発光した光を反射し、前記第1配光パターンに重畳される第3配光パターンを形成する反射面であり、
前記第3反射面は、前記第2半導体光源が点灯された場合、該第2半導体光源が発光した光を反射し、前記第2配光パターンに重畳される第4配光パターンを形成する反射面であることを特徴とする請求項2又は3に記載の車両用灯具。 - 前記第2反射面は、前記第1半導体光源に焦点が設定された水平方向に延びる放物柱面であり、
前記第3反射面は、前記第2半導体光源に焦点が設定された水平方向に延びる放物柱面であることを特徴とする請求項4に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008034773A JP5407097B2 (ja) | 2008-02-15 | 2008-02-15 | 車両用灯具 |
US12/367,481 US8038333B2 (en) | 2008-02-15 | 2009-02-06 | Vehicle lighting fixture and method |
DE102009008167A DE102009008167A1 (de) | 2008-02-15 | 2009-02-10 | Fahrzeugbeleuchtungsvorrichtung und -Verfahren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008034773A JP5407097B2 (ja) | 2008-02-15 | 2008-02-15 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009193867A true JP2009193867A (ja) | 2009-08-27 |
JP5407097B2 JP5407097B2 (ja) | 2014-02-05 |
Family
ID=40954949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008034773A Expired - Fee Related JP5407097B2 (ja) | 2008-02-15 | 2008-02-15 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8038333B2 (ja) |
JP (1) | JP5407097B2 (ja) |
DE (1) | DE102009008167A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011129283A (ja) * | 2009-12-16 | 2011-06-30 | Toyoda Gosei Co Ltd | 車両用照明装置 |
JP2012164617A (ja) * | 2011-02-09 | 2012-08-30 | Koito Mfg Co Ltd | 車両用前照灯 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011006073A1 (de) * | 2011-03-24 | 2012-09-27 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung und Kraftfahrzeugscheinwerfer mit einer solchen Beleuchtungseinrichtung |
DE102011001865B4 (de) * | 2011-04-07 | 2021-10-21 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung |
JP5722691B2 (ja) * | 2011-04-22 | 2015-05-27 | 株式会社小糸製作所 | 車両用前照灯 |
DE102013206489A1 (de) * | 2013-04-11 | 2014-10-30 | Automotive Lighting Reutlingen Gmbh | Lichtmodul einer Kraftfahrzeugbeleuchtungseinrichtung |
US8928226B1 (en) * | 2013-08-01 | 2015-01-06 | Myotek Pacific Corp. | Combination LED fog lamp and daytime running lamp |
DE102013220192B4 (de) * | 2013-10-07 | 2015-04-30 | Automotive Lighting Reutlingen Gmbh | LED-Modul eines Kraftfahrzeugscheinwerfers |
JP2016181388A (ja) * | 2015-03-24 | 2016-10-13 | スタンレー電気株式会社 | 車両用灯具 |
JP6867237B2 (ja) * | 2017-06-14 | 2021-04-28 | 株式会社小糸製作所 | 車両用灯具 |
JP7275976B2 (ja) * | 2019-08-07 | 2023-05-18 | 市光工業株式会社 | 車両用灯具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003031011A (ja) * | 2001-07-16 | 2003-01-31 | Stanley Electric Co Ltd | 灯具用線状光源 |
JP2006019304A (ja) * | 2004-07-02 | 2006-01-19 | Valeo Vision | 自動車の照明装置または信号装置 |
JP2007323885A (ja) * | 2006-05-31 | 2007-12-13 | Koito Mfg Co Ltd | 車両用灯具ユニット |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4009563B2 (ja) | 2003-06-27 | 2007-11-14 | ムネカタ株式会社 | コンタクト付電池 |
JP2005019329A (ja) | 2003-06-27 | 2005-01-20 | Ichikoh Ind Ltd | 車両用灯具 |
JP2006164858A (ja) * | 2004-12-09 | 2006-06-22 | Koito Mfg Co Ltd | 車両用照明灯具 |
US7270449B2 (en) * | 2005-02-17 | 2007-09-18 | Alan Uke | Lighting system and method and reflector for use in same |
US7690826B2 (en) * | 2007-11-29 | 2010-04-06 | Sl Seobong | Adaptive front light system using LED headlamp |
-
2008
- 2008-02-15 JP JP2008034773A patent/JP5407097B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-06 US US12/367,481 patent/US8038333B2/en not_active Expired - Fee Related
- 2009-02-10 DE DE102009008167A patent/DE102009008167A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003031011A (ja) * | 2001-07-16 | 2003-01-31 | Stanley Electric Co Ltd | 灯具用線状光源 |
JP2006019304A (ja) * | 2004-07-02 | 2006-01-19 | Valeo Vision | 自動車の照明装置または信号装置 |
JP2007323885A (ja) * | 2006-05-31 | 2007-12-13 | Koito Mfg Co Ltd | 車両用灯具ユニット |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011129283A (ja) * | 2009-12-16 | 2011-06-30 | Toyoda Gosei Co Ltd | 車両用照明装置 |
JP2012164617A (ja) * | 2011-02-09 | 2012-08-30 | Koito Mfg Co Ltd | 車両用前照灯 |
US9188297B2 (en) | 2011-02-09 | 2015-11-17 | Koito Manufacturing Co., Ltd. | Automotive headlamp forming multiple light distribution patterns with a single lamp |
Also Published As
Publication number | Publication date |
---|---|
DE102009008167A1 (de) | 2009-10-01 |
JP5407097B2 (ja) | 2014-02-05 |
US8038333B2 (en) | 2011-10-18 |
US20090207625A1 (en) | 2009-08-20 |
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