JP5713792B2 - 車輌用前照灯 - Google Patents
車輌用前照灯 Download PDFInfo
- Publication number
- JP5713792B2 JP5713792B2 JP2011105163A JP2011105163A JP5713792B2 JP 5713792 B2 JP5713792 B2 JP 5713792B2 JP 2011105163 A JP2011105163 A JP 2011105163A JP 2011105163 A JP2011105163 A JP 2011105163A JP 5713792 B2 JP5713792 B2 JP 5713792B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light
- reflecting
- reflector
- planar light
- 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
- F21S41/60—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
- 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
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
- F21S41/635—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by moving refractors, filters or transparent cover plates
-
- 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
Description
Claims (5)
- 光を出射する面状光源と前記面状光源から出射された光を反射するリフレクタとを有する光源体と、
焦点を有すると共に前記面状光源から出射された光を反射または投影して照射する光学部品とを備え、
前記光源体と前記光学部品の相対的な位置が変化されることによって、前記光学部品の焦点が前記面状光源上と前記リフレクタ上に形成されるようにし、前記面状光源から出射され前記光学部品によって反射または投影される光の照射方向が変更されるようにした
ことを特徴とする車輌用前照灯。 - 前記光学部品が前記面状光源から出射された光を前方に投影する投影レンズであり、
前記投影レンズが移動されることによって、前記投影レンズの後側焦点が前記面状光源上と前記リフレクタ上に形成されるようにした
請求項1に記載の車輌用前照灯。 - 前記面状光源は複数の発光ダイオードが所定の方向において並んで配置されて成り、
前記リフレクタは二つの反射部を有し前記二つの反射部が前記面状光源を挟んで上下に配置され、
前記反射部の一方の前端に前記面状光源から出射された光の一部を遮って配光パターンにおけるカットラインの一部を形成する遮光壁が設けられた
請求項2に記載の車輌用前照灯。 - 前記面状光源は複数の発光ダイオードが所定の方向において並んで配置されて成り、
前記リフレクタは二つの反射部を有し前記二つの反射部が前記面状光源を挟んで上下に配置され、
前記反射部の一方には、前記面状光源から出射された光を反射し左右方向において離隔して位置する第1の反射面及び第2の反射面と、前記第1の反射面と前記第2の反射面の間において左右両端がそれぞれ前記第1の反射面と前記第2の反射面に連続する段差面とが形成された
請求項2に記載の車輌用前照灯。 - 前記光学部品が前記面状光源から出射された光を反射する反射鏡であり、
前記反射鏡が移動されることによって、前記反射鏡の焦点が前記面状光源上と前記リフレクタ上に形成されるようにした
請求項1に記載の車輌用前照灯。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011105163A JP5713792B2 (ja) | 2011-05-10 | 2011-05-10 | 車輌用前照灯 |
EP12166944.4A EP2522897B1 (en) | 2011-05-10 | 2012-05-07 | Vehicle headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011105163A JP5713792B2 (ja) | 2011-05-10 | 2011-05-10 | 車輌用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012238417A JP2012238417A (ja) | 2012-12-06 |
JP5713792B2 true JP5713792B2 (ja) | 2015-05-07 |
Family
ID=46044557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011105163A Expired - Fee Related JP5713792B2 (ja) | 2011-05-10 | 2011-05-10 | 車輌用前照灯 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2522897B1 (ja) |
JP (1) | JP5713792B2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012224345A1 (de) * | 2012-12-21 | 2014-06-26 | Osram Gmbh | Fahrzeug-Leuchtvorrichtung |
JP6164928B2 (ja) * | 2013-05-17 | 2017-07-19 | 三菱電機株式会社 | 車載用前照灯 |
JP6481152B2 (ja) * | 2013-11-14 | 2019-03-13 | 日産自動車株式会社 | アンテナ装置 |
JP2016038966A (ja) * | 2014-08-06 | 2016-03-22 | パナソニックIpマネジメント株式会社 | 照明装置と、それを搭載した自動車 |
WO2016189907A1 (ja) | 2015-05-25 | 2016-12-01 | 三菱電機株式会社 | 前照灯モジュール及び前照灯 |
DE102014112931B4 (de) * | 2014-09-09 | 2023-11-30 | HELLA GmbH & Co. KGaA | Scheinwerfer für Fahrzeuge |
TWI554713B (zh) | 2015-01-28 | 2016-10-21 | 隆達電子股份有限公司 | 發光二極體車頭燈 |
JP6639315B2 (ja) * | 2016-04-13 | 2020-02-05 | 株式会社小糸製作所 | 照明装置 |
JP7149062B2 (ja) * | 2017-10-25 | 2022-10-06 | スタンレー電気株式会社 | 車両用灯具ユニット |
EP3517831A1 (en) * | 2018-01-29 | 2019-07-31 | Valeo Iluminacion | Automotive luminous device |
JP7112253B2 (ja) * | 2018-05-28 | 2022-08-03 | 株式会社小糸製作所 | 車両用灯具 |
WO2020241263A1 (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
JP7273277B2 (ja) * | 2019-05-29 | 2023-05-15 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2698433B2 (ja) * | 1989-07-05 | 1998-01-19 | 本田技研工業株式会社 | プロジェクタ式照明装置 |
DE10258623B4 (de) * | 2002-12-16 | 2006-12-07 | Daimlerchrysler Ag | Scheinwerfereinheit für ein Kraftfahrzeug |
US7410282B2 (en) * | 2005-10-25 | 2008-08-12 | Visteon Global Technologies, Inc. | Bi-functional headlight module |
DE102007006258A1 (de) * | 2007-02-08 | 2008-08-14 | Daimler Ag | Lichteinheit für ein Fahrzeug und Verfahren zum Einstellen einer derartigen Lichteinheit |
JP2008257959A (ja) * | 2007-04-03 | 2008-10-23 | Koito Mfg Co Ltd | 車両用灯具 |
JP5152487B2 (ja) * | 2007-11-29 | 2013-02-27 | スタンレー電気株式会社 | 車両用前照灯 |
DE102008003006B4 (de) * | 2008-01-02 | 2012-07-26 | Automotive Lighting Reutlingen Gmbh | Fahrzeugscheinwerfer mit verschwenkbarem Umlenkspiegel |
JP2009179113A (ja) * | 2008-01-29 | 2009-08-13 | Koito Mfg Co Ltd | 車両用前照灯装置およびその制御方法 |
JP4895224B2 (ja) * | 2008-04-18 | 2012-03-14 | 市光工業株式会社 | 車両用灯具 |
JP5321048B2 (ja) | 2008-12-26 | 2013-10-23 | 市光工業株式会社 | 車両用前照灯 |
DE202009016976U1 (de) * | 2008-12-29 | 2010-03-18 | Davydov, Mikhail Yurievich | Lichtquelle, Scheinwerfer eines Transportmittels und optisches System der Lichtquelle |
JP2011090905A (ja) * | 2009-10-22 | 2011-05-06 | Koito Mfg Co Ltd | 車両用前照灯 |
-
2011
- 2011-05-10 JP JP2011105163A patent/JP5713792B2/ja not_active Expired - Fee Related
-
2012
- 2012-05-07 EP EP12166944.4A patent/EP2522897B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2522897B1 (en) | 2020-03-18 |
EP2522897A3 (en) | 2015-05-06 |
EP2522897A2 (en) | 2012-11-14 |
JP2012238417A (ja) | 2012-12-06 |
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