JP2019220377A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2019220377A JP2019220377A JP2018117760A JP2018117760A JP2019220377A JP 2019220377 A JP2019220377 A JP 2019220377A JP 2018117760 A JP2018117760 A JP 2018117760A JP 2018117760 A JP2018117760 A JP 2018117760A JP 2019220377 A JP2019220377 A JP 2019220377A
- Authority
- JP
- Japan
- Prior art keywords
- light
- diffusion
- pattern
- condensing
- collecting
- 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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Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 150
- 230000003287 optical effect Effects 0.000 claims description 59
- 230000005494 condensation Effects 0.000 abstract 8
- 238000009833 condensation Methods 0.000 abstract 8
- 239000000758 substrate Substances 0.000 description 21
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/26—Elongated lenses
-
- 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
- F21S41/141—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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- 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
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- 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
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- 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
- F21S41/65—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (9)
- 集光配光パターンを形成する集光ユニットと、
前記集光配光パターンよりも広範囲に形成されて前記集光配光パターンに少なくとも一部が重ねられる拡散配光パターンを形成する拡散ユニットと、を備え、
前記集光ユニットは、前記集光配光パターンの上部となる集光上部パターンを形成する光を出射する集光上部出射部と、前記集光配光パターンの下部となる集光下部パターンを形成する光を出射する集光下部出射部と、前記集光上部出射部および前記集光下部出射部から出射された光を光軸方向前側に投影する集光投影レンズと、を有し、
前記拡散ユニットは、前記拡散配光パターンの上部となる拡散上部パターンを形成する光を出射する拡散上部出射部と、前記拡散配光パターンの下部となる拡散下部パターンを形成する光を出射する拡散下部出射部と、前記拡散上部出射部および前記拡散下部出射部から出射された光を光軸方向前側に投影する拡散投影レンズと、を有し、
前記集光下部パターンと前記拡散下部パターンとによりすれ違い用配光パターンを形成し、
前記集光上部パターンと前記拡散上部パターンとにより走行用配光パターンを形成することを特徴とする車両用灯具。 - 前記集光ユニットは、傾斜するカットオフラインを有する集光傾斜下部パターンを形成する集光傾斜ユニットを有することを特徴とする請求項1に記載の車両用灯具。
- 前記集光ユニットは、水平なカットオフラインを有する集光水平下部パターンを形成する集光水平ユニットを有することを特徴とする請求項1または請求項2に記載の車両用灯具。
- 前記集光上部出射部と前記集光下部出射部と前記拡散上部出射部と前記拡散下部出射部とは、それぞれが個別に、光源と、前記光源からの光を成形するレンズと、を有することを特徴とする請求項1から請求項3までのいずれか1項に記載の車両用灯具。
- 前記集光上部出射部と前記集光下部出射部とは、少なくとも一方が2組の前記光源と前記レンズとを有し、
前記拡散上部出射部と前記拡散下部出射部とは、少なくとも一方が2組の前記光源と前記レンズとを有することを特徴とする請求項4に記載の車両用灯具。 - 前記集光上部出射部および前記集光下部出射部の光軸方向前側で前記集光上部出射部と前記集光下部出射部との間に集光シェードが設けられ、
前記拡散上部出射部および前記拡散下部出射部の光軸方向前側で前記拡散上部出射部と前記拡散下部出射部との間に拡散シェードが設けられていることを特徴とする請求項4または請求項5に記載の車両用灯具。 - 前記集光投影レンズと前記拡散投影レンズとは、鉛直方向のみに屈折力を持つシリンドリカルレンズで形成されていることを特徴とする請求項1から請求項6までのいずれか1項に記載の車両用灯具。
- 前記集光投影レンズと前記拡散投影レンズとは、光軸方向前側の出射面が鉛直方向のみに屈折力を持つものとされ、光軸方向後側の入射面が水平方向のみに屈折力を持つものとされていることを特徴とする請求項1から請求項6までのいずれか1項に記載の車両用灯具。
- 前記集光投影レンズと前記拡散投影レンズとは、光軸方向前側からの投影面において互いに等しい形状とされていることを特徴とする請求項1から請求項8までのいずれか1項に記載の車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018117760A JP7187836B2 (ja) | 2018-06-21 | 2018-06-21 | 車両用灯具 |
US17/254,007 US11313529B2 (en) | 2018-06-21 | 2019-06-13 | Vehicular lamp for forming different light distribution patterns |
PCT/JP2019/023565 WO2019244783A1 (ja) | 2018-06-21 | 2019-06-13 | 車両用灯具 |
CN201980040331.9A CN112313445B (zh) | 2018-06-21 | 2019-06-13 | 车辆用灯具 |
EP19822569.0A EP3812652B1 (en) | 2018-06-21 | 2019-06-13 | Vehicular lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018117760A JP7187836B2 (ja) | 2018-06-21 | 2018-06-21 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019220377A true JP2019220377A (ja) | 2019-12-26 |
JP7187836B2 JP7187836B2 (ja) | 2022-12-13 |
Family
ID=68982946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018117760A Active JP7187836B2 (ja) | 2018-06-21 | 2018-06-21 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11313529B2 (ja) |
EP (1) | EP3812652B1 (ja) |
JP (1) | JP7187836B2 (ja) |
CN (1) | CN112313445B (ja) |
WO (1) | WO2019244783A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005294176A (ja) * | 2004-04-02 | 2005-10-20 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2007335301A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
JP2009094014A (ja) * | 2007-10-12 | 2009-04-30 | Koito Mfg Co Ltd | 車両用照明灯具 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4068387B2 (ja) * | 2002-04-23 | 2008-03-26 | 株式会社小糸製作所 | 光源ユニット |
JP4044024B2 (ja) * | 2003-09-29 | 2008-02-06 | 株式会社小糸製作所 | 車両用前照灯 |
JP4675874B2 (ja) * | 2006-01-20 | 2011-04-27 | 株式会社小糸製作所 | 車両用照明灯具 |
JP2007213877A (ja) * | 2006-02-08 | 2007-08-23 | Koito Mfg Co Ltd | 車両用前照灯 |
JP4663548B2 (ja) * | 2006-02-24 | 2011-04-06 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
JP2009104790A (ja) * | 2007-10-19 | 2009-05-14 | Ichikoh Ind Ltd | 車両用前照灯 |
JP5157883B2 (ja) * | 2008-12-25 | 2013-03-06 | 市光工業株式会社 | 車両用前照灯 |
JP2012151058A (ja) | 2011-01-21 | 2012-08-09 | Koito Mfg Co Ltd | シェード駆動ユニット |
JP2014082164A (ja) * | 2012-10-18 | 2014-05-08 | Ichikoh Ind Ltd | 車両用灯具 |
JP6136250B2 (ja) * | 2012-12-26 | 2017-05-31 | スタンレー電気株式会社 | 車両用灯具 |
JP6174337B2 (ja) * | 2013-02-27 | 2017-08-02 | 株式会社小糸製作所 | 車両用灯具 |
JP6271181B2 (ja) * | 2013-08-06 | 2018-01-31 | 株式会社小糸製作所 | 車両用灯具 |
JP6427851B2 (ja) * | 2014-10-21 | 2018-11-28 | スタンレー電気株式会社 | 車両用灯具 |
CN107091443B (zh) * | 2016-02-18 | 2019-10-18 | 株式会社小糸制作所 | 车辆用灯具 |
JP2018041664A (ja) * | 2016-09-08 | 2018-03-15 | スタンレー電気株式会社 | 車両用灯具 |
JP6801344B2 (ja) * | 2016-09-29 | 2020-12-16 | 市光工業株式会社 | 車両用灯具 |
-
2018
- 2018-06-21 JP JP2018117760A patent/JP7187836B2/ja active Active
-
2019
- 2019-06-13 CN CN201980040331.9A patent/CN112313445B/zh active Active
- 2019-06-13 EP EP19822569.0A patent/EP3812652B1/en active Active
- 2019-06-13 WO PCT/JP2019/023565 patent/WO2019244783A1/ja active Application Filing
- 2019-06-13 US US17/254,007 patent/US11313529B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005294176A (ja) * | 2004-04-02 | 2005-10-20 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2007335301A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
JP2009094014A (ja) * | 2007-10-12 | 2009-04-30 | Koito Mfg Co Ltd | 車両用照明灯具 |
Also Published As
Publication number | Publication date |
---|---|
US11313529B2 (en) | 2022-04-26 |
JP7187836B2 (ja) | 2022-12-13 |
EP3812652A4 (en) | 2022-03-16 |
EP3812652B1 (en) | 2023-08-09 |
CN112313445B (zh) | 2023-06-09 |
WO2019244783A1 (ja) | 2019-12-26 |
CN112313445A (zh) | 2021-02-02 |
US20210270438A1 (en) | 2021-09-02 |
EP3812652A1 (en) | 2021-04-28 |
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