JP2020167024A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP2020167024A JP2020167024A JP2019066118A JP2019066118A JP2020167024A JP 2020167024 A JP2020167024 A JP 2020167024A JP 2019066118 A JP2019066118 A JP 2019066118A JP 2019066118 A JP2019066118 A JP 2019066118A JP 2020167024 A JP2020167024 A JP 2020167024A
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- segment
- vehicle
- light
- light source
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- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 230000004313 glare Effects 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract 3
- 230000000452 restraining effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- F21S41/10—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
- F21S41/33—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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
-
- 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
- F21S41/337—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having a structured surface, e.g. with facets or corrugations
-
- 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
-
- 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
- F21W2102/155—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 inclined and horizontal cutoff lines
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
- F21Y2115/15—Organic light-emitting diodes [OLED]
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/20—Electroluminescent [EL] light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (6)
- 光源と、
前記光源からの光を反射する反射面が設けられたリフレクタと、を備え、
前記光源は、発光面が矩形状であり、
前記リフレクタは、樹脂材料を用いて形成される本体部材上に前記反射面を構成する反射膜が配置されており、
前記反射面は、車両搭載状態における左右方向に分割線を介して並んで配置される複数のセグメントを有し、前記光源からの光を複数の前記セグメントごとに反射して車両搭載状態における前方の照射領域に互いに異なる形状の照射パターンを形成し、複数の前記セグメントのうち斜めカットオフラインを含む照射パターンを形成する斜めカットオフセグメントの前記左右方向の一方の前記分割線が、車両搭載状態における上下方向に対して傾いている
車両用前照灯。 - 前記発光面は、車両搭載状態において前後方向に対向して配置される平行な2辺が当該車両搭載状態における左右方向に対して傾いた状態で配置される
請求項1に記載の車両用前照灯。 - 前記リフレクタは、前記斜めカットオフセグメントの前記左右方向の他方の前記分割線が、車両搭載状態における上下方向に平行である
請求項1又は請求項2に記載の車両用前照灯。 - 前記リフレクタは、複数の前記セグメントのうち水平カットオフラインを含む照射パターンを形成する水平カットオフセグメントの前記左右方向の一方の前記分割線が、前記上下方向に対して傾いている
請求項1から請求項3のいずれか一項に記載の車両用前照灯。 - 前記斜めカットオフセグメントと前記水平カットオフセグメントとは、前記上下方向に配置され、それぞれのセグメントの前記上下方向に対して傾いた前記分割線が一の線上に配置される
請求項4に記載の車両用前照灯。 - 前記斜めカットオフセグメントは、前記上下方向において前記光源から最も離れた位置に配置され、
前記水平カットオフセグメントは、前記上下方向において前記光源に最も近接した位置に配置される
請求項4又は請求項5に記載の車両用前照灯。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019066118A JP7302233B2 (ja) | 2019-03-29 | 2019-03-29 | 車両用前照灯 |
CN202010224202.XA CN111750329A (zh) | 2019-03-29 | 2020-03-26 | 车辆用前照灯 |
EP20166021.4A EP3719390B1 (en) | 2019-03-29 | 2020-03-26 | Vehicle headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019066118A JP7302233B2 (ja) | 2019-03-29 | 2019-03-29 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020167024A true JP2020167024A (ja) | 2020-10-08 |
JP7302233B2 JP7302233B2 (ja) | 2023-07-04 |
Family
ID=70049952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019066118A Active JP7302233B2 (ja) | 2019-03-29 | 2019-03-29 | 車両用前照灯 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3719390B1 (ja) |
JP (1) | JP7302233B2 (ja) |
CN (1) | CN111750329A (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012059675A (ja) * | 2010-09-13 | 2012-03-22 | Stanley Electric Co Ltd | 車両用前照灯 |
JP2014216202A (ja) * | 2013-04-25 | 2014-11-17 | 市光工業株式会社 | 車両用灯具 |
JP2015099706A (ja) * | 2013-11-19 | 2015-05-28 | 市光工業株式会社 | 車両用前照灯 |
JP2015149173A (ja) * | 2014-02-06 | 2015-08-20 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5722691B2 (ja) * | 2011-04-22 | 2015-05-27 | 株式会社小糸製作所 | 車両用前照灯 |
JP6019769B2 (ja) * | 2012-05-31 | 2016-11-02 | 市光工業株式会社 | 車両用前照灯 |
JP5991046B2 (ja) * | 2012-06-28 | 2016-09-14 | 市光工業株式会社 | 車両用前照灯 |
JP6070105B2 (ja) * | 2012-11-22 | 2017-02-01 | 市光工業株式会社 | 車両用前照灯 |
FR3022979A1 (fr) * | 2014-06-27 | 2016-01-01 | Valeo Vision | Systeme d'eclairage et/ou de signalisation pour vehicules automobiles |
US10054277B2 (en) * | 2014-09-16 | 2018-08-21 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
-
2019
- 2019-03-29 JP JP2019066118A patent/JP7302233B2/ja active Active
-
2020
- 2020-03-26 CN CN202010224202.XA patent/CN111750329A/zh active Pending
- 2020-03-26 EP EP20166021.4A patent/EP3719390B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012059675A (ja) * | 2010-09-13 | 2012-03-22 | Stanley Electric Co Ltd | 車両用前照灯 |
JP2014216202A (ja) * | 2013-04-25 | 2014-11-17 | 市光工業株式会社 | 車両用灯具 |
JP2015099706A (ja) * | 2013-11-19 | 2015-05-28 | 市光工業株式会社 | 車両用前照灯 |
JP2015149173A (ja) * | 2014-02-06 | 2015-08-20 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
EP3719390B1 (en) | 2023-01-04 |
JP7302233B2 (ja) | 2023-07-04 |
CN111750329A (zh) | 2020-10-09 |
EP3719390A1 (en) | 2020-10-07 |
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