JP6142463B2 - 車両用前照灯及び投影レンズ - Google Patents
車両用前照灯及び投影レンズ Download PDFInfo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0088—Details of electrical connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
- B62J6/02—Headlights
- B62J6/022—Headlights specially adapted for motorcycles or the like
-
- 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
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/125—Coloured 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
- F21S41/10—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
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
-
- 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
- F21S41/29—Attachment thereof
- F21S41/295—Attachment thereof specially adapted to projection lenses
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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
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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
- 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
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting 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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/30—Ventilation or drainage of lighting devices
- F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps
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- 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
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
y≦0.150+0.640x
y≧0.050+0.750x
0.440≧y≧0.382
図31(b)を参照すると、積分球を用いて測定した第2光源28B全体の色度は白色範囲A内となる(図31(b)中の「黒丸」参照)ものの、光軸AX2に対する角度が0°〜30°の方向へ向かう白色光の色度は、青系の色の光の割合が相対的に高く、部分的に白色範囲A外となる(図31(b)中の「黒四角」参照)ことが分かる。
Claims (4)
- 車両前後方向に延びる光軸上に配置され、出射面と、前記出射面から出射する光が入射する入射面と、前記入射面に対向して配置された基準点と、を含む投影レンズと、
前記基準点又はその近傍に配置され、前記入射面から前記投影レンズ内部へ入射し、前記出射面から出射して前方へ照射される白色光を放出する光源と、を備えた車両用前照灯において、
前記光源は、少なくとも第1色の光と第2色の光との混色による白色光を放出する光源であって、前記光軸方向へ向かう白色光は前記第1の光の割合が相対的に多く、前記光軸に対する角度がより大きい方向へ向かう白色光は前記第1の色の光の割合が相対的に少なく前記第2の色の光の割合が相対的に多い光源であり、
前記出射面及び/又は前記入射面は、前記入射面から前記投影レンズ内部へ入射し、前記出射面から出射して前方へ照射される前記基準点からの光のうち、前記入射面への入射位置が前記光軸上又はその近傍の第1位置である光を、前記光軸と平行ではない方向へ制御し、前記入射面への入射位置が前記光軸から離れた第2位置である光を、前記光軸と平行の方向へ制御し、かつ、前記入射面への入射位置が前記第1位置と前記第2位置との間の光を、前記入射面への入射位置が前記第1位置から前記第2位置へ向かうに従って徐々に前記光軸と平行の方向へ近づくように制御する形状とされていることを特徴とする車両用前照灯。 - 前記光源は、発光色が前記第1色の少なくとも一つの半導体発光素子と、前記半導体発光素子からの前記第1色の光の少なくとも一部を吸収して前記第2色の光に変換する透光性部材と、を含むことを特徴とする請求項1に記載の車両用前照灯。
- 前記第1色の光は、青系の色の光であり、
前記第2色の光は、黄系の色の光であることを特徴とする請求項1又は2に記載の車両用前照灯。 - 出射面と、前記出射面から出射する光が入射する入射面と、前記入射面に対向して配置された基準点と、を含む投影レンズにおいて、
前記出射面及び/又は前記入射面は、前記入射面から前記投影レンズ内部へ入射し、前記出射面から出射して前方へ照射される前記基準点からの光のうち、前記入射面への入射位置が所定基準軸上又はその近傍の第1位置である光を、前記所定基準軸と平行ではない方向へ制御し、前記入射面への入射位置が前記所定基準軸から離れた第2位置である光を、前記所定基準軸と平行の方向へ制御し、かつ、前記入射面への入射位置が前記第1位置と前記第2位置との間の光を、前記入射面への入射位置が前記第1位置から前記第2位置へ向かうに従って徐々に前記所定基準軸と平行の方向へ近づくように制御する形状とされていることを特徴とする投影レンズ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013033447A JP6142463B2 (ja) | 2013-02-22 | 2013-02-22 | 車両用前照灯及び投影レンズ |
US14/188,665 US9174689B2 (en) | 2013-02-22 | 2014-02-24 | Vehicle headlight and projection lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013033447A JP6142463B2 (ja) | 2013-02-22 | 2013-02-22 | 車両用前照灯及び投影レンズ |
Publications (2)
Publication Number | Publication Date |
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JP2014164876A JP2014164876A (ja) | 2014-09-08 |
JP6142463B2 true JP6142463B2 (ja) | 2017-06-07 |
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JP2013033447A Active JP6142463B2 (ja) | 2013-02-22 | 2013-02-22 | 車両用前照灯及び投影レンズ |
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US (1) | US9174689B2 (ja) |
JP (1) | JP6142463B2 (ja) |
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JP6109614B2 (ja) * | 2013-03-22 | 2017-04-05 | 本田技研工業株式会社 | 鞍乗型車両の灯火器 |
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JP6746896B2 (ja) | 2015-11-10 | 2020-08-26 | 市光工業株式会社 | 車両用灯具 |
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JP6805706B2 (ja) * | 2016-10-12 | 2020-12-23 | 市光工業株式会社 | 車両用灯具 |
JP6490728B2 (ja) * | 2017-03-15 | 2019-03-27 | 本田技研工業株式会社 | 鞍乗り型車両のヘッドライト構造 |
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2013
- 2013-02-22 JP JP2013033447A patent/JP6142463B2/ja active Active
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2014
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JP2014164876A (ja) | 2014-09-08 |
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