JP6744196B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6744196B2 JP6744196B2 JP2016212470A JP2016212470A JP6744196B2 JP 6744196 B2 JP6744196 B2 JP 6744196B2 JP 2016212470 A JP2016212470 A JP 2016212470A JP 2016212470 A JP2016212470 A JP 2016212470A JP 6744196 B2 JP6744196 B2 JP 6744196B2
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- light
- light guide
- light source
- guided
- 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.)
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- 230000002093 peripheral effect Effects 0.000 claims description 66
- 230000000052 comparative effect Effects 0.000 description 24
- 239000004065 semiconductor Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 201000005569 Gout Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- F21S41/24—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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Description
Claims (6)
- 一端部と、他端部と、前記一端部と前記他端部との間で円弧状に延びる正面側出光面とその反対側の裏面と内周面と外周面と、を含む円弧状の導光板と、
前記導光板の前記正面側出光面には、円弧状に延び、かつ、後方に向かって凹の複数のレンズカット面が同心円状に設けられ、
前記導光板の前記裏面には、前記導光板内を導光される光を前記正面側出光面から出光させるために、前記導光板内を導光される光を拡散反射させる構造物が設けられ、
前記導光板は、外周側が内周側より後方に配置された略円錐台形状に構成される車両用灯具。 - 前記導光板の前記一端部から前記導光板内に入光し、前記導光板内を導光される光を発光する第1光源と、
前記導光板の前記他端部から前記導光板内に入光し、前記導光板内を導光される光を発光する第2光源と、を備える請求項1に記載の車両用灯具。 - 前記導光板の当該導光板の軸線に沿った厚みをLTとし、かつ、前記導光板の当該導光板の軸線に沿った奥行をMTとした場合、
LT≦MT≦3×LTの関係である請求項1又は2に記載の車両用灯具。 - 前記レンズカット面は、シリンドリカルレンズ面であり、
前記構造物は、前記導光板の軸線に対して放射状に設けられた複数のV溝である請求項1から3のいずれか1項に記載の車両用灯具。 - 前記導光板には、基端部が前記導光板の前記一端部側に設けられ、かつ、後方に向かって延びる第1延長部、及び、基端部が前記導光板の前記他端部側に設けられ、かつ、後方に向かって延びる第2延長部が設けられ、
前記第1延長部の先端部には、前記第1光源からの光が入光するシリンドリカルレンズ面が設けられ、
前記第1延長部の基端部と前記導光板の前記一端部との間には、前記第1延長部内を導光される前記第1光源からの光が内面反射されて前記一端部側から前記導光板内に入光するように傾斜した姿勢で配置された第1反射面が設けられ、
前記第2延長部の先端には、前記第2光源からの光が入光するシリンドリカルレンズ面が設けられ、
前記第2延長部の基端部と前記導光板の前記他端部との間には、前記第2延長部内を導光される前記第2光源からの光が内面反射されて前記他端部側から前記導光板内に入光するように傾斜した姿勢で配置された第2反射面が設けられる請求項2に記載の車両用灯具。 - 前記第1反射面及び前記第2反射面には、後方に向かって凹の複数のシリンドリカルレンズ面が形成される請求項5に記載の車両用灯具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016212470A JP6744196B2 (ja) | 2016-10-31 | 2016-10-31 | 車両用灯具 |
US15/793,065 US10288244B2 (en) | 2016-10-31 | 2017-10-25 | Vehicle lighting fixture |
EP17199052.6A EP3315854B1 (en) | 2016-10-31 | 2017-10-27 | Vehicle lighting fixture |
CN201711041667.6A CN108006586B (zh) | 2016-10-31 | 2017-10-31 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016212470A JP6744196B2 (ja) | 2016-10-31 | 2016-10-31 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018073638A JP2018073638A (ja) | 2018-05-10 |
JP6744196B2 true JP6744196B2 (ja) | 2020-08-19 |
Family
ID=60191214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016212470A Active JP6744196B2 (ja) | 2016-10-31 | 2016-10-31 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10288244B2 (ja) |
EP (1) | EP3315854B1 (ja) |
JP (1) | JP6744196B2 (ja) |
CN (1) | CN108006586B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6744196B2 (ja) * | 2016-10-31 | 2020-08-19 | スタンレー電気株式会社 | 車両用灯具 |
USD902449S1 (en) * | 2018-01-12 | 2020-11-17 | Jaguar Land Rover Limited | Headlamp for a vehicle |
JP2020004483A (ja) * | 2018-06-25 | 2020-01-09 | 株式会社小糸製作所 | 車両用灯具 |
CN108800056B (zh) * | 2018-08-20 | 2024-07-09 | 华域视觉科技(上海)有限公司 | 一种汽车信号灯的光学结构 |
DE102019203501B4 (de) * | 2019-03-14 | 2024-08-01 | Volkswagen Aktiengesellschaft | Montageeinheit mit wenigstens einem Lichtleiter und wenigstens einer wenigstens ein Leuchtmittel aufweisenden Leiterplatte sowie Lichtleiter zur Herstellung einer solchen Montageeinheit |
JP7277196B2 (ja) * | 2019-03-22 | 2023-05-18 | スタンレー電気株式会社 | 車両用灯具ユニット及び車両用灯具 |
WO2023074753A1 (ja) * | 2021-10-29 | 2023-05-04 | 株式会社小糸製作所 | 車輌用灯具 |
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-
2016
- 2016-10-31 JP JP2016212470A patent/JP6744196B2/ja active Active
-
2017
- 2017-10-25 US US15/793,065 patent/US10288244B2/en active Active
- 2017-10-27 EP EP17199052.6A patent/EP3315854B1/en active Active
- 2017-10-31 CN CN201711041667.6A patent/CN108006586B/zh active Active
Also Published As
Publication number | Publication date |
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CN108006586A (zh) | 2018-05-08 |
CN108006586B (zh) | 2022-03-01 |
EP3315854B1 (en) | 2020-12-09 |
JP2018073638A (ja) | 2018-05-10 |
US10288244B2 (en) | 2019-05-14 |
US20180119917A1 (en) | 2018-05-03 |
EP3315854A1 (en) | 2018-05-02 |
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