JP7042655B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
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- JP7042655B2 JP7042655B2 JP2018041522A JP2018041522A JP7042655B2 JP 7042655 B2 JP7042655 B2 JP 7042655B2 JP 2018041522 A JP2018041522 A JP 2018041522A JP 2018041522 A JP2018041522 A JP 2018041522A JP 7042655 B2 JP7042655 B2 JP 7042655B2
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- 238000003384 imaging method Methods 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 30
- 230000006866 deterioration Effects 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 50
- 230000004313 glare Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 12
- 230000007257 malfunction Effects 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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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
- F21S41/255—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
-
- 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
-
- 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
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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
- F21S41/29—Attachment 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
- F21S41/20—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
-
- 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
-
- 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
-
- 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
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
- F21S41/64—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 changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
- F21S41/645—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 changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
-
- 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
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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
- F21W2102/13—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
-
- 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
- F21W2102/14—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 vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
- F21W2102/15—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 vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users wherein the light is emitted under L-shaped cut-off lines, i.e. vertical 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
図1(a)は、第1の実施の形態に係る車両用灯具を模式的に示した側面図、図1(b)は、第1の実施の形態に係る二次元画像形成装置の配置を模試的に示した側面図、図1(c)は、第1の実施の形態に係る二次元画像形成装置の正面図である。
図5(a)は、第2の実施の形態に係る車両用灯具を模式的に示した側面図、図5(b)は、第2の実施の形態に係る二次元画像形成装置の構成を模試的に示した側面図である。なお、第1の実施の形態と同様の説明については適宜省略する。
図6(a)は、第3の実施の形態に係る車両用灯具を模式的に示した側面図、図6(b)は、第3の実施の形態に係る二次元画像形成装置の配置を模試的に示した側面図、図6(c)は、第3の実施の形態に係る二次元画像形成装置の正面図である。車両用灯具30は、光源12と、光源12から出射した光を集光するために反射するリフレクタ32と、リフレクタ32で反射された光を用いて明暗画像を形成する二次元画像形成装置34と、明暗画像を前方へ投影する投影レンズ16と、を備える。
図7(a)は、第4の実施の形態に係る車両用灯具を模式的に示した側面図、図7(b)は、第4の実施の形態に係る二次元画像形成装置の構成を模試的に示した側面図である。なお、第3の実施の形態と同様の説明については適宜省略する。
第2の実施の形態に係る二次元画像形成装置18や第4の実施の形態に係る二次元画像形成装置36の表面に設けられた散乱要素は、二次元画像形成装置の下半分の全体にわたって、散乱の程度が均一である。一方、第5の実施の形態に係る二次元画像形成装置は、表面に設けられた散乱要素の散乱の程度が場所によって異なる。図8は、第5の実施の形態に係る二次元画像形成装置の構成を模試的に示した正面図である。
Claims (5)
- 光源から出射した光を用いて明暗画像を形成する二次元画像形成装置と、
前記明暗画像を前方へ投影する投影光学系と、を備え、
前記二次元画像形成装置は、投影する前記明暗画像の一部の結像性能を低下させる結像性能低下部を有し、
前記結像性能低下部は、前記明暗画像のうちの車両前方の水平線よりも上方へ投影される第1領域を形成する光の光路に配置されている高散乱部と、前記明暗画像のうちの前記第1領域を囲う第2領域を形成する光の光路に配置されている、前記高散乱部よりも散乱度が低い低散乱部と、を有することを特徴とする車両用灯具。 - 前記二次元画像形成装置は、光源から出射した光を前記投影光学系に向けて選択的に透過させるように構成されており、
前記結像性能低下部は、前記投影光学系の焦点からずれた位置に設けられていることを特徴とする請求項1に記載の車両用灯具。 - 前記二次元画像形成装置は、光源から出射した光を前記投影光学系に向けて選択的に透過させるように構成されており、
前記結像性能低下部は、前記二次元画像形成装置から前記投影光学系への光路の途中に設けられていることを特徴とする請求項1に記載の車両用灯具。 - 前記二次元画像形成装置は、光源から出射した光を前記投影光学系に向けて選択的に反射させる反射領域を有し、
前記結像性能低下部は、前記反射領域から前記投影光学系への光路の途中に設けられていることを特徴とする請求項1に記載の車両用灯具。 - 前記二次元画像形成装置は、光源から出射した光を前記投影光学系に向けて選択的に反射させる反射領域を有し、
前記結像性能低下部は、前記投影光学系の焦点からずれた位置に設けられていることを特徴とする請求項1に記載の車両用灯具。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018041522A JP7042655B2 (ja) | 2018-03-08 | 2018-03-08 | 車両用灯具 |
CN201920281763.6U CN209470138U (zh) | 2018-03-08 | 2019-03-06 | 车辆用灯具 |
CN201910167925.8A CN110242930B (zh) | 2018-03-08 | 2019-03-06 | 车辆用灯具 |
DE102019203106.4A DE102019203106A1 (de) | 2018-03-08 | 2019-03-07 | Fahrzeugleuchte |
US16/295,453 US10781988B2 (en) | 2018-03-08 | 2019-03-07 | Vehicular lamp |
FR1902327A FR3078768B1 (fr) | 2018-03-08 | 2019-03-07 | FEU de véhicule |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018041522A JP7042655B2 (ja) | 2018-03-08 | 2018-03-08 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
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JP2019160437A JP2019160437A (ja) | 2019-09-19 |
JP7042655B2 true JP7042655B2 (ja) | 2022-03-28 |
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ID=67701789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018041522A Active JP7042655B2 (ja) | 2018-03-08 | 2018-03-08 | 車両用灯具 |
Country Status (5)
Country | Link |
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US (1) | US10781988B2 (ja) |
JP (1) | JP7042655B2 (ja) |
CN (2) | CN110242930B (ja) |
DE (1) | DE102019203106A1 (ja) |
FR (1) | FR3078768B1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7042655B2 (ja) * | 2018-03-08 | 2022-03-28 | 株式会社小糸製作所 | 車両用灯具 |
US11976799B2 (en) | 2020-01-17 | 2024-05-07 | Magna Closures Inc. | Anti-glare vehicle headlights |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013168434A (ja) | 2012-02-14 | 2013-08-29 | Koito Mfg Co Ltd | 発光モジュールおよび灯具ユニット |
WO2014002630A1 (ja) | 2012-06-29 | 2014-01-03 | 株式会社小糸製作所 | 車両用灯具およびその制御方法 |
JP2014053184A (ja) | 2012-09-07 | 2014-03-20 | Koito Mfg Co Ltd | 車両用灯具 |
JP2017174737A (ja) | 2016-03-25 | 2017-09-28 | 株式会社小糸製作所 | 車両用灯具、および当該車両用灯具を備えた車両 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19530008B4 (de) | 1995-08-16 | 2005-02-03 | Automotive Lighting Reutlingen Gmbh | Beleuchtungseinrichtung für Fahrzeuge mit einer reflektierenden Umlenkvorrichtung |
JP4579154B2 (ja) * | 2005-12-28 | 2010-11-10 | 株式会社小糸製作所 | 車両用前照灯 |
JP6114653B2 (ja) * | 2013-07-16 | 2017-04-12 | 株式会社小糸製作所 | 車両用灯具 |
JP6259672B2 (ja) * | 2014-01-24 | 2018-01-10 | 株式会社小糸製作所 | 車両用灯具 |
JP6274891B2 (ja) * | 2014-02-03 | 2018-02-07 | 株式会社小糸製作所 | 車両用灯具 |
JP7042655B2 (ja) * | 2018-03-08 | 2022-03-28 | 株式会社小糸製作所 | 車両用灯具 |
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2018
- 2018-03-08 JP JP2018041522A patent/JP7042655B2/ja active Active
-
2019
- 2019-03-06 CN CN201910167925.8A patent/CN110242930B/zh active Active
- 2019-03-06 CN CN201920281763.6U patent/CN209470138U/zh active Active
- 2019-03-07 US US16/295,453 patent/US10781988B2/en active Active
- 2019-03-07 DE DE102019203106.4A patent/DE102019203106A1/de active Pending
- 2019-03-07 FR FR1902327A patent/FR3078768B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013168434A (ja) | 2012-02-14 | 2013-08-29 | Koito Mfg Co Ltd | 発光モジュールおよび灯具ユニット |
WO2014002630A1 (ja) | 2012-06-29 | 2014-01-03 | 株式会社小糸製作所 | 車両用灯具およびその制御方法 |
JP2014053184A (ja) | 2012-09-07 | 2014-03-20 | Koito Mfg Co Ltd | 車両用灯具 |
JP2017174737A (ja) | 2016-03-25 | 2017-09-28 | 株式会社小糸製作所 | 車両用灯具、および当該車両用灯具を備えた車両 |
Also Published As
Publication number | Publication date |
---|---|
FR3078768A1 (fr) | 2019-09-13 |
CN110242930A (zh) | 2019-09-17 |
US10781988B2 (en) | 2020-09-22 |
DE102019203106A1 (de) | 2019-09-12 |
CN110242930B (zh) | 2022-04-05 |
US20190277469A1 (en) | 2019-09-12 |
JP2019160437A (ja) | 2019-09-19 |
CN209470138U (zh) | 2019-10-08 |
FR3078768B1 (fr) | 2021-09-24 |
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