JP2015222662A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
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- JP2015222662A JP2015222662A JP2014106760A JP2014106760A JP2015222662A JP 2015222662 A JP2015222662 A JP 2015222662A JP 2014106760 A JP2014106760 A JP 2014106760A JP 2014106760 A JP2014106760 A JP 2014106760A JP 2015222662 A JP2015222662 A JP 2015222662A
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- Prior art keywords
- reflector
- light
- light source
- shade
- projection lens
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- 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
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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
- F21S41/20—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
- F21S41/30—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
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
- F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity 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
- F21S41/334—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
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- 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
- F21S41/40—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0025—Combination of two or more reflectors for a single light source
- F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
-
- 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
- F21W2102/10—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
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)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
投影レンズと、この投影レンズの後側焦点よりも後方側に配置された第1光源と、この第1光源の上方側において該第1光源からの出射光を上記投影レンズへ向けて反射させる第1リフレクタと、前端縁が上記後側焦点またはその近傍を通るように配置され、上記第1リフレクタからの反射光の一部を遮光するシェードと、を備えてなる車両用前照灯において、
上記第1リフレクタの前方側に、上記第1光源からの出射光を該第1光源と上記シェードとの間へ向けて反射させる第2リフレクタが配置されており、
上記第1光源と上記シェードとの間に、上記第2リフレクタからの反射光を上記シェードの下方を通過させて上記投影レンズへ向けて反射させる第3リフレクタが配置されている、ことを特徴とするものである。
12 投影レンズ
14 レンズホルダ
16 ベース部材
18、118、218 ヒートシンク(光源支持部材)
18a 前端面
20、120、220 第1光源ユニット
22 第1光源
22a、42a 発光面
24 第1リフレクタ
24a、28a、30a、44a、126a、130a、218a 反射面
26、126 シェード
26a、126a 上向き反射面
26a1、126a1 前端縁
28 第2リフレクタ
30、130 第3リフレクタ
40 第2光源ユニット
42 第2光源
44 第4リフレクタ
Ax 光軸
CL カットオフライン
F 後側焦点
OHS 頭上標識
PA 付加配光パターン
PH ハイビーム用配光パターン
PHA ハイビーム用付加配光パターン
PL ロービーム用配光パターン
P0 基本配光パターン
Claims (4)
- 投影レンズと、この投影レンズの後側焦点よりも後方側に配置された第1光源と、この第1光源の上方側において該第1光源からの出射光を上記投影レンズへ向けて反射させる第1リフレクタと、前端縁が上記後側焦点またはその近傍を通るように配置され、上記第1リフレクタからの反射光の一部を遮光するシェードと、を備えてなる車両用前照灯において、
上記第1リフレクタの前方側に、上記第1光源からの出射光を該第1光源と上記シェードとの間へ向けて反射させる第2リフレクタが配置されており、
上記第1光源と上記シェードとの間に、上記第2リフレクタからの反射光を上記シェードの下方を通過させて上記投影レンズへ向けて反射させる第3リフレクタが配置されている、ことを特徴とする車両用前照灯。 - 上記第3リフレクタが、該第3リフレクタからの反射光により車両前方路面の上方に設置された頭上標識を照射するように構成されている、ことを特徴とする請求項1記載の車両用前照灯。
- 上記後側焦点よりも後方側に配置された第2光源と、この第2光源の下方側に配置され、該第2光源からの出射光を上記投影レンズへ向けて反射させる第4リフレクタとを備えている、ことを特徴とする請求項1または2記載の車両用前照灯。
- 上記第1および第2光源が共通の光源支持部材に支持されており、
この光源支持部材と上記シェードとの間に上記第3リフレクタが配置されている、ことを特徴とする請求項1〜3いずれか記載の車両用前照灯。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014106760A JP6410341B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用前照灯 |
CN201510262504.5A CN105090855B (zh) | 2014-05-23 | 2015-05-21 | 车辆用前照灯 |
US14/718,706 US9671079B2 (en) | 2014-05-23 | 2015-05-21 | Vehicular headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014106760A JP6410341B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015222662A true JP2015222662A (ja) | 2015-12-10 |
JP6410341B2 JP6410341B2 (ja) | 2018-10-24 |
Family
ID=54555755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014106760A Active JP6410341B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用前照灯 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9671079B2 (ja) |
JP (1) | JP6410341B2 (ja) |
CN (1) | CN105090855B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020184445A (ja) * | 2019-05-07 | 2020-11-12 | 株式会社小糸製作所 | 灯具ユニット |
WO2022092255A1 (ja) * | 2020-10-30 | 2022-05-05 | 市光工業株式会社 | 車両用前照灯 |
Families Citing this family (32)
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CN106895334A (zh) * | 2015-12-19 | 2017-06-27 | 沈海红 | 一种高光学利用率的车辆用led透镜组件 |
KR101975459B1 (ko) * | 2016-10-25 | 2019-05-08 | 에스엘 주식회사 | 차량용 램프 |
JP6857490B2 (ja) * | 2016-12-12 | 2021-04-14 | 株式会社小糸製作所 | 車両用前照灯 |
US10267476B2 (en) * | 2016-12-15 | 2019-04-23 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
CN108613106B (zh) * | 2016-12-30 | 2020-04-24 | 徐煜 | 远近光一体的车灯结构 |
EP3354965B1 (en) * | 2017-01-31 | 2021-06-30 | Marelli Automotive Lighting Italy S.p.A. | Lighting device for vehicles provided with rotating modules |
FR3062457B1 (fr) * | 2017-02-01 | 2020-08-28 | Valeo Vision | Module d'eclairage d'un faisceau lumineux pour projecteur de vehicule automobile |
DE102017001019A1 (de) * | 2017-02-04 | 2018-08-09 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Fahrzeugscheinwerfer |
CN108692270B (zh) * | 2017-02-20 | 2020-05-12 | 诚益光电科技股份有限公司 | 车灯装置 |
US10245999B2 (en) * | 2017-03-13 | 2019-04-02 | Yujing Technology Co., Ltd. | Headlight with a modular projection module for enhancing illumination intensity |
JP6809946B2 (ja) * | 2017-03-17 | 2021-01-06 | トヨタ自動車株式会社 | 車両用前照灯装置 |
CN108916810B (zh) * | 2017-04-21 | 2021-11-05 | 法雷奥照明湖北技术中心有限公司 | 用于车灯的光学模块的光反射器、车灯和机动车辆 |
JP2019012623A (ja) * | 2017-06-30 | 2019-01-24 | 株式会社小糸製作所 | 車両用灯具 |
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WO2019033591A1 (zh) * | 2017-08-18 | 2019-02-21 | 哈尔滨固泰电子有限责任公司 | 高效汽车led前照灯及配光方法 |
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DE102018108567A1 (de) * | 2018-04-11 | 2019-10-17 | HELLA GmbH & Co. KGaA | Scheinwerfer für Fahrzeuge |
CN110454744B (zh) * | 2018-05-08 | 2022-05-03 | 深圳市绎立锐光科技开发有限公司 | 一种光源模组以及车用前照灯 |
JP6713022B2 (ja) * | 2018-07-13 | 2020-06-24 | 本田技研工業株式会社 | 車両用灯火器 |
JP7265922B2 (ja) * | 2019-04-22 | 2023-04-27 | スタンレー電気株式会社 | 車両用前照灯 |
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CN110107857B (zh) * | 2019-06-04 | 2024-04-12 | 华域视觉科技(上海)有限公司 | 近光iii区照明模组、车辆前照灯及车辆 |
CN112303583A (zh) * | 2019-07-31 | 2021-02-02 | 株洲湘火炬汽车灯具有限责任公司 | 车灯 |
EP3792548B1 (en) * | 2019-09-10 | 2022-11-16 | T.Y.C. Brother Industrial Co., Ltd. | Projection headlight |
FR3103253B1 (fr) * | 2019-11-19 | 2021-11-19 | Valeo Vision | Module lumineux combine imageant la surface eclairée d’un collecteur |
EP3954937A1 (en) * | 2020-08-10 | 2022-02-16 | Lumileds LLC | Lighting module for vehicle headlamp |
CN116235002A (zh) | 2020-07-24 | 2023-06-06 | 亮锐有限责任公司 | 用于车辆前灯的照明模块 |
WO2022093651A1 (en) * | 2020-10-27 | 2022-05-05 | Flex-N-Gate Advanced Product Development, Llc | Clear obelisk projector shield |
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-
2014
- 2014-05-23 JP JP2014106760A patent/JP6410341B2/ja active Active
-
2015
- 2015-05-21 US US14/718,706 patent/US9671079B2/en not_active Expired - Fee Related
- 2015-05-21 CN CN201510262504.5A patent/CN105090855B/zh active Active
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JP2010073431A (ja) * | 2008-09-17 | 2010-04-02 | Ichikoh Ind Ltd | 車両用前照灯 |
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JP2020184445A (ja) * | 2019-05-07 | 2020-11-12 | 株式会社小糸製作所 | 灯具ユニット |
JP7280104B2 (ja) | 2019-05-07 | 2023-05-23 | 株式会社小糸製作所 | 灯具ユニット |
WO2022092255A1 (ja) * | 2020-10-30 | 2022-05-05 | 市光工業株式会社 | 車両用前照灯 |
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