JP2020191276A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2020191276A JP2020191276A JP2019097517A JP2019097517A JP2020191276A JP 2020191276 A JP2020191276 A JP 2020191276A JP 2019097517 A JP2019097517 A JP 2019097517A JP 2019097517 A JP2019097517 A JP 2019097517A JP 2020191276 A JP2020191276 A JP 2020191276A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light source
- light
- reflector
- focal point
- 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.)
- Granted
Links
Classifications
-
- 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
- F21S41/10—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
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- 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
- F21S41/36—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
- 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
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (8)
- 第1光源から出射された光を投影してすれ違い用配光パターンを形成するとともに、第2光源から出射された光を投影して走行用配光パターンを形成する投影レンズを備え、
前記投影レンズでは、レンズ軸を中心として下側レンズ部と上側レンズ部とが設定され、
前記下側レンズ部では、前記レンズ軸上に下側焦点が設定され、
前記上側レンズ部では、前記レンズ軸上に前記下側焦点よりも焦点距離の短い上側焦点が設定されていることを特徴とする車両用灯具。 - 前記投影レンズでは、前記下側レンズ部と前記上側レンズ部とを繋ぐ徐変レンズ部が設定され、
前記徐変レンズ部は、焦点距離を前記下側焦点から前記上側焦点へと連続して変化させていることを特徴とする請求項1に記載の車両用灯具。 - 前記投影レンズは、前記レンズ軸を含む鉛直面に関して面対称な構成とされ、前記徐変レンズ部が前記鉛直面に直交する幅方向で対を為して設けられていることを特徴とする請求項2に記載の車両用灯具。
- 前記上側レンズ部は、前記レンズ軸からの半径方向における出射面または入射面の曲率が前記下側レンズ部よりも大きく設定されてい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。
- 前記第1光源から出射された光は、前記レンズ軸よりも上側から前記下側焦点を通り前記下側レンズ部に入射し、
前記第2光源から出射された光は、前記レンズ軸よりも下側から前記上側焦点を通り前記上側レンズ部に入射することを特徴とする請求項1から請求項4までのいずれか1項に記載の車両用灯具。 - 請求項1から請求項5までのいずれか1項に記載の車両用灯具であって、
さらに、前記第1光源から出射された光を前記下側焦点へと反射する第1リフレクタと、前記第2光源から出射された光を前記上側焦点へと反射する第2リフレクタと、を備え、
前記第1光源と前記第2光源とは、前記レンズ軸よりも下側で同一平面上に設けられ、
前記第2リフレクタは、前記レンズ軸よりも下側であって、前記第1光源よりも前記投影レンズ側に設けられていることを特徴とする車両用灯具。 - 請求項1から請求項5までのいずれか1項に記載の車両用灯具であって、
さらに、前記第1光源から出射された光を前記下側焦点へと反射する第1リフレクタと、前記第2光源から出射された光を前記上側焦点へと反射する第2リフレクタと、を備え、
前記第1光源と前記第1リフレクタとは、前記レンズ軸上で前記レンズ軸に沿って設けられた平行設置部の上側に設けられ、
前記第2光源と前記第2リフレクタとは、前記平行設置部の下側に設けられていることを特徴とする車両用灯具。 - 請求項1から請求項5までのいずれか1項に記載の車両用灯具であって、
さらに、前記第1光源から出射された光を前記下側焦点へと反射する第1リフレクタと、前記第2光源から出射された光を前記上側焦点へと反射する第2リフレクタと、を備え、
前記第1光源は、前記レンズ軸に直交して延びる直交設置部における前記レンズ軸よりも上側に設けられ、
前記第2光源は、前記直交設置部における前記レンズ軸よりも下側に設けられ、
前記第1リフレクタは、前記レンズ軸よりも上側に設けられ、
前記第2リフレクタは、前記レンズ軸よりも下側に設けられていることを特徴とする車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019097517A JP7279513B2 (ja) | 2019-05-24 | 2019-05-24 | 車両用灯具 |
PCT/JP2020/020003 WO2020241424A1 (ja) | 2019-05-24 | 2020-05-20 | 車両用灯具 |
EP20815055.7A EP3978799A4 (en) | 2019-05-24 | 2020-05-20 | VEHICLE FIRE |
CN202080038252.7A CN113874655A (zh) | 2019-05-24 | 2020-05-20 | 车辆用灯具 |
US17/613,119 US11815239B2 (en) | 2019-05-24 | 2020-05-20 | Vehicle light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019097517A JP7279513B2 (ja) | 2019-05-24 | 2019-05-24 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020191276A true JP2020191276A (ja) | 2020-11-26 |
JP7279513B2 JP7279513B2 (ja) | 2023-05-23 |
Family
ID=73453864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019097517A Active JP7279513B2 (ja) | 2019-05-24 | 2019-05-24 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11815239B2 (ja) |
EP (1) | EP3978799A4 (ja) |
JP (1) | JP7279513B2 (ja) |
CN (1) | CN113874655A (ja) |
WO (1) | WO2020241424A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0620505A (ja) * | 1992-07-02 | 1994-01-28 | Koito Mfg Co Ltd | 配光可変型前照灯 |
JP2012226860A (ja) * | 2011-04-15 | 2012-11-15 | Koito Mfg Co Ltd | 車両用照明灯具 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4615417B2 (ja) | 2005-10-13 | 2011-01-19 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
JP6111805B2 (ja) * | 2013-04-04 | 2017-04-12 | 市光工業株式会社 | 車両用灯具 |
JP6020505B2 (ja) * | 2014-04-08 | 2016-11-02 | ウシオ電機株式会社 | レーザリフトオフ装置 |
CZ306151B6 (cs) * | 2015-02-11 | 2016-08-24 | Varroc Lighting Systems, s.r.o. | Světelné zařízení |
CN106813176A (zh) * | 2015-11-27 | 2017-06-09 | 欧司朗有限公司 | 一种车前灯 |
JP2017103189A (ja) * | 2015-12-04 | 2017-06-08 | パナソニックIpマネジメント株式会社 | 前照灯及び移動体 |
FR3047541B1 (fr) * | 2015-12-10 | 2019-10-04 | Valeo Vision | Module d'eclairage automobile avec fonctions code et route combinees et une source lumineuse ajustable |
WO2017104678A1 (ja) * | 2015-12-15 | 2017-06-22 | 株式会社小糸製作所 | 車両用灯具及び基板 |
JP6709655B2 (ja) * | 2016-03-25 | 2020-06-17 | 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 |
CN108644739B (zh) * | 2018-04-24 | 2020-05-08 | 广州市佛达信号设备有限公司 | 一种远近光多焦点透镜及模组 |
US11168858B2 (en) * | 2018-06-01 | 2021-11-09 | Ichikoh Industries, Ltd. | Vehicular lamp |
-
2019
- 2019-05-24 JP JP2019097517A patent/JP7279513B2/ja active Active
-
2020
- 2020-05-20 US US17/613,119 patent/US11815239B2/en active Active
- 2020-05-20 WO PCT/JP2020/020003 patent/WO2020241424A1/ja unknown
- 2020-05-20 EP EP20815055.7A patent/EP3978799A4/en active Pending
- 2020-05-20 CN CN202080038252.7A patent/CN113874655A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0620505A (ja) * | 1992-07-02 | 1994-01-28 | Koito Mfg Co Ltd | 配光可変型前照灯 |
JP2012226860A (ja) * | 2011-04-15 | 2012-11-15 | Koito Mfg Co Ltd | 車両用照明灯具 |
Also Published As
Publication number | Publication date |
---|---|
JP7279513B2 (ja) | 2023-05-23 |
CN113874655A (zh) | 2021-12-31 |
US20220205607A1 (en) | 2022-06-30 |
US11815239B2 (en) | 2023-11-14 |
EP3978799A1 (en) | 2022-04-06 |
WO2020241424A1 (ja) | 2020-12-03 |
EP3978799A4 (en) | 2023-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2159479B1 (en) | Vehicle lamp unit | |
JP4053489B2 (ja) | 車両用前照灯 | |
EP2407710B1 (en) | Vehicle lamp | |
JP4895224B2 (ja) | 車両用灯具 | |
CN108375029B (zh) | 光学单元 | |
JP2010238605A (ja) | 灯具ユニット | |
US10180222B2 (en) | Optical unit | |
KR20120053970A (ko) | 등기구 유닛 | |
EP3249284B1 (en) | Vehicle lighting module | |
JP5202940B2 (ja) | 車両用前照灯 | |
JP4999671B2 (ja) | 車両用灯具 | |
JP7275481B2 (ja) | 車両用灯具 | |
JP2022022493A (ja) | 車両用灯具 | |
JP2021111447A (ja) | 車両用灯具 | |
WO2020241424A1 (ja) | 車両用灯具 | |
JP2017208208A (ja) | 灯具 | |
JP5591097B2 (ja) | 光学ユニット | |
JP6550934B2 (ja) | 車両用前照灯 | |
JP3562687B2 (ja) | プロジェクタ型ランプ | |
JP4608645B2 (ja) | 車両用灯具 | |
JP6627282B2 (ja) | 車両用前照灯 | |
JPH10261302A (ja) | プロジェクタ型ランプ | |
JP6848460B2 (ja) | 車両用灯具 | |
WO2022210913A1 (ja) | ランプユニット | |
WO2023277071A1 (ja) | 車両用灯具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220322 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20221115 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20221219 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230309 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230411 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230424 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7279513 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |