JP5544676B2 - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP5544676B2 JP5544676B2 JP2009135504A JP2009135504A JP5544676B2 JP 5544676 B2 JP5544676 B2 JP 5544676B2 JP 2009135504 A JP2009135504 A JP 2009135504A JP 2009135504 A JP2009135504 A JP 2009135504A JP 5544676 B2 JP5544676 B2 JP 5544676B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- shade
- line
- cut
- projection lens
- 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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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
- F21S41/40—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
- F21S41/10—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
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
-
- 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
- F21S41/17—Discharge light sources
- F21S41/172—High-intensity discharge 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
- 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
-
- 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
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- 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
- F21W2102/16—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 having blurred cut-off lines
Description
Claims (3)
- 光源と、
前記光源からの光を前方に向けて反射させるリフレクタと、
前記光源からの光を集光して前方に照射する投影レンズと、
前記光源から前記投影レンズへの光の一部を遮蔽してロービーム用の配光パターンを形成する遮蔽部を有するとともに、前記配光パターンの上端における明暗境界線を示すカットオフラインを形成する前記遮蔽部の上端縁が前記投影レンズの焦点位置近傍に配置されたシェード部材と、を備え、
前記シェード部材が、前記上端縁より上側を通過して前記カットオフラインの近傍に照射される光線の一部を消失させる非反射面が前記上端縁より下側の前記投影レンズ側の面に突出して形成されたことを特徴とする車両用前照灯。 - 前記非反射面は、R形状であることを特徴とする請求項1の車両用前照灯。
- 前記非反射面は、前記上端縁の一部の範囲のみに形成されることを特徴とする請求項1、又は、2の車両用前照灯。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009135504A JP5544676B2 (ja) | 2009-06-04 | 2009-06-04 | 車両用前照灯 |
US12/794,517 US8393769B2 (en) | 2009-06-04 | 2010-06-04 | Vehicle headlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009135504A JP5544676B2 (ja) | 2009-06-04 | 2009-06-04 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010282842A JP2010282842A (ja) | 2010-12-16 |
JP5544676B2 true JP5544676B2 (ja) | 2014-07-09 |
Family
ID=43300624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009135504A Expired - Fee Related JP5544676B2 (ja) | 2009-06-04 | 2009-06-04 | 車両用前照灯 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8393769B2 (ja) |
JP (1) | JP5544676B2 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013544425A (ja) * | 2010-12-03 | 2013-12-12 | ドクター・オプティクス・エスイー | 車両のヘッドライト用ヘッドライトレンズ |
FR2970061B1 (fr) * | 2011-01-03 | 2020-03-06 | Valeo Vision | Dispositif d'eclairage et/ou de signalisation, notamment pour vehicule automobile |
JP5645724B2 (ja) * | 2011-03-15 | 2014-12-24 | 株式会社小糸製作所 | 灯具ユニット |
DE102011002336A1 (de) * | 2011-04-29 | 2012-10-31 | Hella Kgaa Hueck & Co. | Projektionsscheinwerfer für Fahrzeuge |
JP5848920B2 (ja) * | 2011-08-30 | 2016-01-27 | スタンレー電気株式会社 | 車両用前照灯 |
JP5988594B2 (ja) * | 2012-01-24 | 2016-09-07 | 株式会社小糸製作所 | 灯具ユニットおよび車両用灯具 |
JP5535252B2 (ja) * | 2012-02-08 | 2014-07-02 | シャープ株式会社 | 投光装置およびそれに用いられる導光部材 |
JP6180772B2 (ja) * | 2013-04-01 | 2017-08-16 | 株式会社小糸製作所 | 車両用灯具 |
JP6339862B2 (ja) * | 2013-10-11 | 2018-06-06 | 株式会社小糸製作所 | 車両用灯具およびその製造方法 |
KR101600564B1 (ko) * | 2014-03-28 | 2016-03-07 | 에스엘 주식회사 | 차량용 램프 |
CN108368981B (zh) | 2015-09-22 | 2021-07-09 | 亮锐控股有限公司 | Led前照灯投影照明设备 |
JP2017191745A (ja) * | 2016-04-15 | 2017-10-19 | 株式会社小糸製作所 | 車両用照明システム |
CN108613134B (zh) * | 2016-12-30 | 2021-01-01 | 徐煜 | 机械式智能化遮光装置 |
CN109611781A (zh) * | 2019-01-31 | 2019-04-12 | 成都恒坤光电科技有限公司 | 一种车灯近光照明光学装置及汽车前照灯总成 |
JP7335721B2 (ja) * | 2019-04-18 | 2023-08-30 | 株式会社小糸製作所 | 車両用灯具 |
US11686448B1 (en) | 2022-03-19 | 2023-06-27 | Wei Liu | Apparatus of projector headlights |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62202401A (ja) * | 1986-02-28 | 1987-09-07 | 市光工業株式会社 | プロジエクタ型の前照灯 |
JPH0760601B2 (ja) * | 1988-02-29 | 1995-06-28 | 株式会社小糸製作所 | 車輌用前照灯 |
JP2696745B2 (ja) | 1994-05-31 | 1998-01-14 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
JP4024628B2 (ja) | 2002-09-03 | 2007-12-19 | 株式会社小糸製作所 | 車両用前照灯 |
JP4771723B2 (ja) * | 2005-03-24 | 2011-09-14 | 市光工業株式会社 | 車両用灯具 |
JP2006317513A (ja) | 2005-05-10 | 2006-11-24 | Canon Inc | ズームレンズ操作装置 |
JP4782064B2 (ja) | 2007-04-10 | 2011-09-28 | 株式会社小糸製作所 | 車両用灯具ユニット |
JP4966756B2 (ja) * | 2007-06-15 | 2012-07-04 | スタンレー電気株式会社 | ロービーム用プロジェクタ型車両用灯具 |
JP5212785B2 (ja) * | 2008-02-22 | 2013-06-19 | スタンレー電気株式会社 | 車両用前照灯 |
-
2009
- 2009-06-04 JP JP2009135504A patent/JP5544676B2/ja not_active Expired - Fee Related
-
2010
- 2010-06-04 US US12/794,517 patent/US8393769B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8393769B2 (en) | 2013-03-12 |
JP2010282842A (ja) | 2010-12-16 |
US20100309680A1 (en) | 2010-12-09 |
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