JP2020061266A - 車両用導光体および車両用灯具 - Google Patents
車両用導光体および車両用灯具 Download PDFInfo
- Publication number
- JP2020061266A JP2020061266A JP2018191631A JP2018191631A JP2020061266A JP 2020061266 A JP2020061266 A JP 2020061266A JP 2018191631 A JP2018191631 A JP 2018191631A JP 2018191631 A JP2018191631 A JP 2018191631A JP 2020061266 A JP2020061266 A JP 2020061266A
- Authority
- JP
- Japan
- Prior art keywords
- light
- vehicle
- light guide
- projection lens
- emission surface
- 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
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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
- F21S41/10—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
-
- 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
-
- 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
- F21S41/24—Light guides
-
- 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
- F21S41/20—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
- F21S41/322—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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- 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
-
- 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
- F21W2102/145—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 between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam
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)
- Planar Illumination Modules (AREA)
Abstract
Description
10a 中心軸
11 発光面
20 光源基板
30a 焦点
30 投影レンズ
40 車両用導光体
40a 取付部
41 入射面
42 導光部
43 合流部
44 出射面
441 中央出射面
442 側方出射面
45 反射面
451 上側反射面
452 下側反射面
50 光拡散部
51 凸部
52 凹部
53 平坦部
100 車両用灯具
Claims (8)
- 光源からの光を投影レンズに向けて導光させる車両用導光体であって、
前記光源からの光が入射する入射面と、
前記入射面から入射した光を反射させる反射面と、
前記反射面で反射した光を出射する出射面と、
を備え、
前記反射面は、光を拡散させる複数の凸部および複数の凹部の少なくとも一方が形成された光拡散部が、少なくとも一部に設けられることを特徴とする車両用導光体。 - 前記光拡散部は、前記投影レンズから照射される配光パターンのホットゾーンを形成するための前記反射面に設けられることを特徴とする請求項1に記載の車両用導光体。
- 前記光拡散部は、前記凸部または前記凹部と、前記凸部または前記凹部に隣接する部分とが、滑らかな連続面となるように接続されることを特徴とする請求項1または請求項2に記載の車両用導光体。
- 前記光拡散部は、前記光源から出射される光の中心軸と前記反射面との交点と、前記光源から出射される光の半値角に沿った線と前記反射面との交点との間の少なくとも一部に設けられることを特徴とする請求項1から請求項3のいずれか一項に記載の車両用導光体。
- 前記入射面は、車両の左右方向に沿って複数並んで設けられた前記光源ごとに対応して、前記左右方向に沿って複数並んで設けられ、
前記出射面は、前記左右方向の中央部に設けられた中央出射面と、前記中央出射面に対して前記左右方向の側方に設けられた側方出射面とを有し、
前記中央出射面は、前記側方出射面よりも前記投影レンズの焦点の近傍に設けられ、
前記光拡散部は、前記入射面から前記中央出射面まで延びる前記反射面において設けられる、
ことを特徴とする請求項1から請求項4のいずれか一項に記載の車両用導光体。 - 前記入射面から延び、前記反射面が形成された複数の導光部と、
前記複数の導光部が合流する合流部と、
をさらに有し、
前記中央出射面と前記側方出射面とは、前記合流部の前記投影レンズ側の端面において一体に設けられている、
ことを特徴とする請求項5に記載の車両用導光体。 - 光源と、投影レンズと、請求項1から請求項6のいずれか一項に記載の車両用導光体とを備えることを特徴とする車両用灯具。
- 前記出射面は、鉛直方向において上端が前記投影レンズの焦点近傍に配置され、下端が前記上端よりも前記投影レンズに近接して配置されることを特徴とする請求項7に記載の車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018191631A JP7143716B2 (ja) | 2018-10-10 | 2018-10-10 | 車両用導光体および車両用灯具 |
PCT/JP2019/038254 WO2020075536A1 (ja) | 2018-10-10 | 2019-09-27 | 車両用導光体および車両用灯具 |
US17/284,258 US11603972B2 (en) | 2018-10-10 | 2019-09-27 | Light guide for vehicles, and lamp for vehicles |
CN201980081427.XA CN113167452B (zh) | 2018-10-10 | 2019-09-27 | 车辆用导光体以及车辆用灯具 |
EP19871997.3A EP3865766A4 (en) | 2018-10-10 | 2019-09-27 | VEHICLE LIGHT GUIDE, AND VEHICLE LAMP |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018191631A JP7143716B2 (ja) | 2018-10-10 | 2018-10-10 | 車両用導光体および車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020061266A true JP2020061266A (ja) | 2020-04-16 |
JP7143716B2 JP7143716B2 (ja) | 2022-09-29 |
Family
ID=70164924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018191631A Active JP7143716B2 (ja) | 2018-10-10 | 2018-10-10 | 車両用導光体および車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11603972B2 (ja) |
EP (1) | EP3865766A4 (ja) |
JP (1) | JP7143716B2 (ja) |
CN (1) | CN113167452B (ja) |
WO (1) | WO2020075536A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021190342A (ja) * | 2020-06-01 | 2021-12-13 | 株式会社小糸製作所 | 車両用灯具 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019108312A1 (de) * | 2019-03-29 | 2020-10-01 | HELLA GmbH & Co. KGaA | Kommunikationslichtvorrichtung für Fahrzeuge |
WO2021246065A1 (ja) * | 2020-06-02 | 2021-12-09 | ミネベアミツミ株式会社 | 照明装置 |
JP7530794B2 (ja) * | 2020-10-02 | 2024-08-08 | 株式会社小糸製作所 | 灯具ユニット |
FR3125858B1 (fr) * | 2021-07-30 | 2023-10-06 | Valeo Vision | Module lumineux à sources à partie émissive maximisée |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008021659A (ja) * | 2001-07-27 | 2008-01-31 | Enplas Corp | 面光源装置、画像表示装置及び導光板 |
JP2010212203A (ja) * | 2009-03-12 | 2010-09-24 | Stanley Electric Co Ltd | 車両用灯具 |
JP2017212037A (ja) * | 2016-05-23 | 2017-11-30 | スタンレー電気株式会社 | 車両用前照灯 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4049624B2 (ja) | 2001-07-27 | 2008-02-20 | 株式会社エンプラス | 面光源装置、画像表示装置及び導光板 |
DE102006044640A1 (de) * | 2006-09-19 | 2008-03-27 | Schefenacker Vision Systems Germany Gmbh | Leuchteinheit zur Fern- und Abblendlichterzeugung |
JP5091808B2 (ja) * | 2008-09-02 | 2012-12-05 | 株式会社小糸製作所 | 車両用灯具 |
JP5567435B2 (ja) * | 2010-09-06 | 2014-08-06 | 株式会社小糸製作所 | 車両用灯具 |
JP5640306B2 (ja) * | 2011-03-14 | 2014-12-17 | スタンレー電気株式会社 | 灯具ユニット |
DE102011077636A1 (de) * | 2011-04-27 | 2011-11-03 | Automotive Lighting Reutlingen Gmbh | Lichtmodul eines Kraftfahrzeugs zur Erzeugung einer Spotverteilung einer Fernlicht-Lichtverteilung und Kraftfahrzeugscheinwerfer mit einem solchen Modul |
JP2012256491A (ja) | 2011-06-08 | 2012-12-27 | Stanley Electric Co Ltd | 車両用灯具ユニット |
AT513341B1 (de) | 2012-09-03 | 2015-06-15 | Zizala Lichtsysteme Gmbh | Leuchteinheit für einen Scheinwerfer |
AT514333B1 (de) | 2013-06-25 | 2014-12-15 | Zizala Lichtsysteme Gmbh | Scheinwerfer für Fahrzeuge |
FR3012203B1 (fr) * | 2013-10-23 | 2015-10-30 | Valeo Vision | Dispositif d'eclairage comportant un guide de rayons lumineux |
JP5889499B2 (ja) | 2014-01-17 | 2016-03-22 | 三菱電機株式会社 | 車載用前照灯 |
FR3033621B1 (fr) | 2015-03-13 | 2017-04-21 | Valeo Iluminacion Sa | Dispositif lumineux a guides optiques |
JP6333470B2 (ja) | 2015-04-06 | 2018-05-30 | 三菱電機株式会社 | 前照灯用光源および前照灯 |
FR3038696B1 (fr) | 2015-07-10 | 2022-02-18 | Valeo Vision | Module lumineux pour l'eclairage et/ou la signalisation d'un vehicule automobile |
AT517523B1 (de) * | 2015-07-28 | 2017-09-15 | Zkw Group Gmbh | Leuchteinrichtung für einen KFZ-Scheinwerfer |
-
2018
- 2018-10-10 JP JP2018191631A patent/JP7143716B2/ja active Active
-
2019
- 2019-09-27 WO PCT/JP2019/038254 patent/WO2020075536A1/ja unknown
- 2019-09-27 CN CN201980081427.XA patent/CN113167452B/zh active Active
- 2019-09-27 US US17/284,258 patent/US11603972B2/en active Active
- 2019-09-27 EP EP19871997.3A patent/EP3865766A4/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008021659A (ja) * | 2001-07-27 | 2008-01-31 | Enplas Corp | 面光源装置、画像表示装置及び導光板 |
JP2010212203A (ja) * | 2009-03-12 | 2010-09-24 | Stanley Electric Co Ltd | 車両用灯具 |
JP2017212037A (ja) * | 2016-05-23 | 2017-11-30 | スタンレー電気株式会社 | 車両用前照灯 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021190342A (ja) * | 2020-06-01 | 2021-12-13 | 株式会社小糸製作所 | 車両用灯具 |
JP7478030B2 (ja) | 2020-06-01 | 2024-05-02 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
JP7143716B2 (ja) | 2022-09-29 |
EP3865766A4 (en) | 2022-07-20 |
US20210381668A1 (en) | 2021-12-09 |
CN113167452B (zh) | 2023-07-28 |
CN113167452A (zh) | 2021-07-23 |
WO2020075536A1 (ja) | 2020-04-16 |
US11603972B2 (en) | 2023-03-14 |
EP3865766A1 (en) | 2021-08-18 |
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