JPWO2015122304A1 - 光学ユニットおよび車両用灯具 - Google Patents
光学ユニットおよび車両用灯具 Download PDFInfo
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- JPWO2015122304A1 JPWO2015122304A1 JP2015562786A JP2015562786A JPWO2015122304A1 JP WO2015122304 A1 JPWO2015122304 A1 JP WO2015122304A1 JP 2015562786 A JP2015562786 A JP 2015562786A JP 2015562786 A JP2015562786 A JP 2015562786A JP WO2015122304 A1 JPWO2015122304 A1 JP WO2015122304A1
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflector
- projection lens
- rotating
- optical unit
- 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
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- 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
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
- F21S45/435—Forced cooling using gas circulating the gas within a closed system
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/10—Protection of lighting devices
Landscapes
- 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
Description
図1は、第1の実施の形態に係る車両用前照灯の水平断面図である。車両用前照灯10は、自動車の前端部の右側に搭載される右側前照灯であり、左側に搭載される前照灯と左右対称である以外は同じ構造である。そのため、以下では、右側の車両用前照灯10について詳述し、左側の車両用前照灯については説明を省略する。
図7は、第2の実施の形態に係る車両用灯具100を左上方から見たときの概略斜視図である。第1の実施の形態と同様に、車両用灯具100は、自動車の前端部の右側に搭載される右側前照灯である。
Claims (4)
- 光源と、
回転軸を中心に回転する回転リフレクタであって、所定の角度だけ回転する間に前記光源から出射した光を反射して所望の配光パターンを形成する反射面を有する複数のブレードを回転軸の周方向に有している、回転リフレクタと、
前記回転リフレクタからの反射光が入射する入射面を有する投影レンズと、を備える光学ユニットにおいて、
前記投影レンズの出射面に対して所定範囲の角度で入射し該投影レンズにより集光されて前記回転リフレクタの反射面に向かう光の少なくとも一部を遮るシェードが、前記投影レンズと前記回転リフレクタの間に設けられることを特徴とする光学ユニット。 - 前記シェードは、前記リフレクタからの反射光を遮らない位置に設けられることを特徴とする請求項1に記載の光学ユニット。
- 前記シェードが金属製であることを特徴とする請求項1または2に記載の光学ユニット。
- 請求項1ないし3のいずれかに記載の光学ユニットを用いた車両用灯具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014025629 | 2014-02-13 | ||
JP2014025629 | 2014-02-13 | ||
PCT/JP2015/052851 WO2015122304A1 (ja) | 2014-02-13 | 2015-02-02 | 光学ユニットおよび車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015122304A1 true JPWO2015122304A1 (ja) | 2017-03-30 |
JP6680537B2 JP6680537B2 (ja) | 2020-04-15 |
Family
ID=53800051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015562786A Active JP6680537B2 (ja) | 2014-02-13 | 2015-02-02 | 光学ユニットおよび車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10208911B2 (ja) |
JP (1) | JP6680537B2 (ja) |
CN (1) | CN105992908B (ja) |
WO (1) | WO2015122304A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018216456A1 (ja) * | 2017-05-26 | 2018-11-29 | 株式会社小糸製作所 | 光学ユニット |
JP7009097B2 (ja) * | 2017-07-10 | 2022-01-25 | 株式会社小糸製作所 | 光学ユニット |
DE102017213180A1 (de) * | 2017-07-31 | 2019-01-31 | Osram Gmbh | Spiegelweiche mit rotierbar gelagerter Walze |
JP7083642B2 (ja) * | 2017-12-28 | 2022-06-13 | 株式会社小糸製作所 | モータ、及びこれを用いた灯具 |
JP7001487B2 (ja) * | 2018-01-31 | 2022-02-03 | 株式会社小糸製作所 | 車両用灯具 |
EP3869088A4 (en) * | 2018-10-19 | 2021-12-08 | Koito Manufacturing Co., Ltd. | VEHICLE LAMP, LAMP UNIT, AND REFLECTOR MODULE |
JPWO2020137635A1 (ja) | 2018-12-25 | 2021-11-04 | 株式会社小糸製作所 | 光学ユニットおよび反射面決定方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01165501U (ja) * | 1988-05-13 | 1989-11-20 | ||
JPH04357602A (ja) * | 1991-09-06 | 1992-12-10 | Nissan Shatai Co Ltd | 車両用灯具 |
JP2006253098A (ja) * | 2005-03-14 | 2006-09-21 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2011082005A (ja) * | 2009-10-07 | 2011-04-21 | Koito Mfg Co Ltd | 車輌用灯具 |
JP2012227102A (ja) * | 2011-04-22 | 2012-11-15 | Koito Mfg Co Ltd | 光学ユニット |
JP2013115046A (ja) * | 2011-11-24 | 2013-06-10 | Valeo Vision | ヘッドランプに太陽光線が集束することを防止する遮光可動要素 |
JP2013246889A (ja) * | 2012-05-23 | 2013-12-09 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013251135A (ja) * | 2012-05-31 | 2013-12-12 | Stanley Electric Co Ltd | 車両用灯具 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005259549A (ja) * | 2004-03-12 | 2005-09-22 | Koito Mfg Co Ltd | 投射型自動車用ヘッドランプ |
JP4579154B2 (ja) * | 2005-12-28 | 2010-11-10 | 株式会社小糸製作所 | 車両用前照灯 |
JP2007250327A (ja) * | 2006-03-15 | 2007-09-27 | Stanley Electric Co Ltd | ドラム型可変遮光板及び該遮光板を使用したヘッドライト |
JP2008004512A (ja) * | 2006-06-26 | 2008-01-10 | Ichikoh Ind Ltd | 車両用補助前照ランプ |
WO2011129105A1 (ja) | 2010-04-13 | 2011-10-20 | 株式会社小糸製作所 | 光学ユニット、車両監視装置および障害物検出装置 |
-
2015
- 2015-02-02 WO PCT/JP2015/052851 patent/WO2015122304A1/ja active Application Filing
- 2015-02-02 JP JP2015562786A patent/JP6680537B2/ja active Active
- 2015-02-02 CN CN201580008470.5A patent/CN105992908B/zh active Active
-
2016
- 2016-08-08 US US15/230,598 patent/US10208911B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01165501U (ja) * | 1988-05-13 | 1989-11-20 | ||
JPH04357602A (ja) * | 1991-09-06 | 1992-12-10 | Nissan Shatai Co Ltd | 車両用灯具 |
JP2006253098A (ja) * | 2005-03-14 | 2006-09-21 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2011082005A (ja) * | 2009-10-07 | 2011-04-21 | Koito Mfg Co Ltd | 車輌用灯具 |
JP2012227102A (ja) * | 2011-04-22 | 2012-11-15 | Koito Mfg Co Ltd | 光学ユニット |
JP2013115046A (ja) * | 2011-11-24 | 2013-06-10 | Valeo Vision | ヘッドランプに太陽光線が集束することを防止する遮光可動要素 |
JP2013246889A (ja) * | 2012-05-23 | 2013-12-09 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013251135A (ja) * | 2012-05-31 | 2013-12-12 | Stanley Electric Co Ltd | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN105992908B (zh) | 2020-09-22 |
WO2015122304A1 (ja) | 2015-08-20 |
US20160341388A1 (en) | 2016-11-24 |
JP6680537B2 (ja) | 2020-04-15 |
CN105992908A (zh) | 2016-10-05 |
US10208911B2 (en) | 2019-02-19 |
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