JP6321932B2 - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP6321932B2 JP6321932B2 JP2013197042A JP2013197042A JP6321932B2 JP 6321932 B2 JP6321932 B2 JP 6321932B2 JP 2013197042 A JP2013197042 A JP 2013197042A JP 2013197042 A JP2013197042 A JP 2013197042A JP 6321932 B2 JP6321932 B2 JP 6321932B2
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- JP
- Japan
- Prior art keywords
- light
- optical member
- projection optical
- state
- 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.)
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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
- F21S41/10—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]
-
- 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
- F21S41/30—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
-
- 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
- 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
- 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
- F21W2102/20—Illuminance distribution within the emitted light
-
- 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
- F21Y2101/00—Point-like light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
Claims (4)
- 光源と、
入射した光を灯具前方に投影する投影光学部材と、
前記投影光学部材の光軸上に配置され、前記光源から出射した光を前記投影光学部材外に反射させる第1状態と、前記投影光学部材に向けて反射させる第2状態と、を個別に切り替え可能な複数の光学素子が配列されてなる、傾いて配置された光偏向装置と、
を備え、
前記光偏向装置が傾いて配置されていることにより、
前記第1状態にあるときの各光学素子の中心部における法線と前記第2状態にあるときの各光学素子の中心部における法線とがなす各角度の二等分線は、互いに平行で、かつ、前記投影光学部材の光軸に対して前記光源側向きの成分を有し、
前記第1状態にあるときの各光学素子の中心部における法線と前記投影光学部材の光軸との間の角度が、前記第2状態にあるときの各光学素子の中心部における法線と前記光軸との間の角度よりも小さい
ことを特徴とする車両用前照灯。 - 前記第1状態と前記第2状態を切り替えるときに前記光学素子による反射光が移動する方向における前記投影光学部材の長さが、該方向と直交する方向における前記投影光学部材の長さよりも小さいことを特徴とする請求項1に記載の車両用前照灯。
- 前記光源が、前記投影光学部材の光軸よりも下方に配置されることを特徴とする請求項1または2に記載の車両用前照灯。
- 前記投影光学部材の光軸よりも下方に配置され、前記光源から出射した光を前記光偏向装置に向けて反射する反射光学部材をさらに備え、
前記反射光学部材が、前記投影光学部材の前記光偏向装置に近い側に配置されることを特徴とする請求項1ないし3のいずれかに記載の車両用前照灯。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013197042A JP6321932B2 (ja) | 2013-09-24 | 2013-09-24 | 車両用前照灯 |
US14/493,883 US9765938B2 (en) | 2013-09-24 | 2014-09-23 | Vehicle headlamp |
DE201410219156 DE102014219156A1 (de) | 2013-09-24 | 2014-09-23 | Fahrzeugfrontleuchte |
CN201410495914.XA CN104456348B (zh) | 2013-09-24 | 2014-09-24 | 车辆用前照灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013197042A JP6321932B2 (ja) | 2013-09-24 | 2013-09-24 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015064964A JP2015064964A (ja) | 2015-04-09 |
JP6321932B2 true JP6321932B2 (ja) | 2018-05-09 |
Family
ID=52623854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013197042A Active JP6321932B2 (ja) | 2013-09-24 | 2013-09-24 | 車両用前照灯 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9765938B2 (ja) |
JP (1) | JP6321932B2 (ja) |
CN (1) | CN104456348B (ja) |
DE (1) | DE102014219156A1 (ja) |
Families Citing this family (38)
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JP5858185B2 (ja) * | 2014-06-13 | 2016-02-10 | ウシオ電機株式会社 | 光投射装置および車載用前照灯 |
JP6692141B2 (ja) * | 2015-10-16 | 2020-05-13 | 株式会社小糸製作所 | 車両用灯具 |
JP6416736B2 (ja) * | 2015-11-12 | 2018-10-31 | トヨタ自動車株式会社 | 車両用前照灯 |
DE202016000476U1 (de) * | 2016-01-27 | 2017-04-28 | Gm Global Technology Operations, Llc | Leuchtvorrichtung |
WO2017138100A1 (ja) * | 2016-02-10 | 2017-08-17 | 株式会社日立製作所 | 車両用灯具及び車両用灯具システム |
DE102016209949A1 (de) * | 2016-06-07 | 2017-12-07 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Projizieren eines Lichtmusters |
KR101856362B1 (ko) * | 2016-09-30 | 2018-05-10 | 현대자동차주식회사 | 차량용 헤드램프 장치 |
CN106641964B (zh) * | 2017-01-19 | 2023-05-16 | 华域视觉科技(上海)有限公司 | 一种具有adb功能的led光源远近光一体车灯模组 |
US11097653B2 (en) | 2017-01-20 | 2021-08-24 | Koito Manufacturing Co., Ltd. | Vehicle lamp system, vehicle lamp control device and vehicle lamp control method |
DE102017001019A1 (de) * | 2017-02-04 | 2018-08-09 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Fahrzeugscheinwerfer |
EP3854632B1 (en) | 2017-06-09 | 2023-05-31 | Koito Manufacturing Co., Ltd. | Apparatus and method for generating light intensity control data in an automotive lamp |
CN108569196A (zh) * | 2017-06-27 | 2018-09-25 | 常州星宇车灯股份有限公司 | 一种基于sfv和dlp的汽车智能前照灯照明装置 |
JP7111708B2 (ja) | 2017-06-27 | 2022-08-02 | 株式会社小糸製作所 | 車両用灯具システム、車両用灯具の制御装置及び車両用灯具の制御方法 |
JP6980486B2 (ja) | 2017-10-24 | 2021-12-15 | 株式会社小糸製作所 | 車両用灯具の制御装置及び車両用灯具システム |
JP7121051B2 (ja) | 2017-12-27 | 2022-08-17 | 株式会社小糸製作所 | 車両用灯具システム、車両用灯具の制御装置及び車両用灯具の制御方法 |
WO2019159765A1 (ja) * | 2018-02-15 | 2019-08-22 | 株式会社小糸製作所 | 車両検出装置および車両用灯具システム |
JP2019212367A (ja) * | 2018-05-31 | 2019-12-12 | 株式会社小糸製作所 | 灯具ユニット |
CN108679574B (zh) * | 2018-06-14 | 2024-07-26 | 华域视觉科技(上海)有限公司 | 车灯及汽车 |
US20200039420A1 (en) | 2018-08-06 | 2020-02-06 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
US10876701B2 (en) | 2018-09-05 | 2020-12-29 | Flex-N-Gate Advanced Product Development, Llc | Programmable glare-free high beam |
JP7298069B2 (ja) * | 2018-09-28 | 2023-06-27 | 株式会社小糸製作所 | 車両用前照灯 |
JP7201425B2 (ja) * | 2018-12-26 | 2023-01-10 | 株式会社小糸製作所 | 車両用灯具システム、車両用灯具の制御装置および車両用灯具の制御方法 |
CN109539168A (zh) * | 2019-01-11 | 2019-03-29 | 华域视觉科技(上海)有限公司 | 远光亮度提升装置、led模组单元、车灯、汽车 |
JP7237607B2 (ja) | 2019-01-25 | 2023-03-13 | 株式会社小糸製作所 | 車両用灯具システム、車両用灯具の制御装置および車両用灯具の制御方法 |
JPWO2021015184A1 (ja) * | 2019-07-25 | 2021-01-28 | ||
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CN114765971A (zh) | 2019-12-04 | 2022-07-19 | 株式会社小糸制作所 | 车辆检测装置、车辆用灯具系统、车辆检测方法、配光控制装置及配光控制方法 |
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JP6987170B2 (ja) | 2020-03-31 | 2021-12-22 | ヤマハ発動機株式会社 | 光照射装置 |
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-
2013
- 2013-09-24 JP JP2013197042A patent/JP6321932B2/ja active Active
-
2014
- 2014-09-23 US US14/493,883 patent/US9765938B2/en not_active Expired - Fee Related
- 2014-09-23 DE DE201410219156 patent/DE102014219156A1/de not_active Withdrawn
- 2014-09-24 CN CN201410495914.XA patent/CN104456348B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US9765938B2 (en) | 2017-09-19 |
DE102014219156A1 (de) | 2015-03-26 |
US20150085514A1 (en) | 2015-03-26 |
JP2015064964A (ja) | 2015-04-09 |
CN104456348A (zh) | 2015-03-25 |
CN104456348B (zh) | 2017-06-27 |
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