JP2017208192A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2017208192A JP2017208192A JP2016098793A JP2016098793A JP2017208192A JP 2017208192 A JP2017208192 A JP 2017208192A JP 2016098793 A JP2016098793 A JP 2016098793A JP 2016098793 A JP2016098793 A JP 2016098793A JP 2017208192 A JP2017208192 A JP 2017208192A
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- guide element
- light
- incident surface
- lamp
- 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
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
- F21S41/10—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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2696—Mounting of devices using LEDs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/32—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating vehicle sides, e.g. clearance lights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
-
- 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
- F21S43/10—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]
-
- 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
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- 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
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (6)
- 光源と、
所定の延出方向に延出し、前記光源からの光を後面から入射して内部で導光し、前面から出射する導光体と、
を備える車両用灯具であって、
前記導光体は、
前記後面における前記光源と対向する部位に形成される正面入射面と、
前記後面における前記正面入射面の側方に形成される側方入射面と、
前記後面における前記側方入射面の側方に形成される、前記側方入射面から入射した光を前記前面に向けて全反射する反射面と、
を含む導光要素を備え、
前記正面入射面と前記側方入射面との接続部が曲面で形成されていることを特徴とする車両用灯具。 - 前記導光体は、互いに隣接して配置された第1および第2の前記導光要素を備え、
前記第1の導光要素は、前記第2の導光要素よりも前方に位置しており、
前記第1の導光要素において、前記正面入射面と前記第2の導光要素側の側方入射面との接続部が曲面で形成さ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。 - 前記第2の導光要素において、前記第1の導光要素側の側方入射面と反射面とが連結面を介してつながれており、
前記連結面は、当該車両用灯具の前後方向に対して略平行であることを特徴とする請求項2に記載の車両用灯具。 - 前記第1の導光要素の前記第2の導光要素側の一方の反射面の面積は、前記第1の導光要素の前記正面入射面を挟んだ他方の反射面の面積よりも小さいことを特徴とする請求項2または3に記載の車両用灯具。
- 前記曲面の曲率は、0.5〜4.0であることを特徴とする請求項1から4のいずれかに記載の車両用灯具。
- 前記正面入射面は、該正面入射面を形成するために用いられる金型の入れ子の端部に対応する部分に後方に突出する段部を備えることを特徴とする請求項1から5のいずれかに記載の車両用灯具。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016098793A JP6761668B2 (ja) | 2016-05-17 | 2016-05-17 | 車両用灯具 |
| CN201710271673.4A CN107388151B (zh) | 2016-05-17 | 2017-04-24 | 车辆用灯具 |
| US15/585,611 US10300835B2 (en) | 2016-05-17 | 2017-05-03 | Vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016098793A JP6761668B2 (ja) | 2016-05-17 | 2016-05-17 | 車両用灯具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017208192A true JP2017208192A (ja) | 2017-11-24 |
| JP6761668B2 JP6761668B2 (ja) | 2020-09-30 |
Family
ID=60330046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016098793A Active JP6761668B2 (ja) | 2016-05-17 | 2016-05-17 | 車両用灯具 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10300835B2 (ja) |
| JP (1) | JP6761668B2 (ja) |
| CN (1) | CN107388151B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019106335A (ja) * | 2017-12-14 | 2019-06-27 | 株式会社小糸製作所 | ライトガイド装置 |
| EP4098935A1 (en) | 2021-05-31 | 2022-12-07 | Yamaha Hatsudoki Kabushiki Kaisha | Lamp unit and leaning vehicle |
| JP2024055549A (ja) * | 2022-10-07 | 2024-04-18 | 市光工業株式会社 | 車両用灯具 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170129445A (ko) * | 2016-05-17 | 2017-11-27 | 현대모비스 주식회사 | 로우빔 구현용 렌즈 조립체 |
| CZ2017398A3 (cs) * | 2017-07-10 | 2019-01-23 | Varroc Lighting Systems, s.r.o. | Optický systém pro světelné zařízení, zejména pro signální svítilnu pro motorová vozidla |
| CN109506205B (zh) * | 2017-09-14 | 2022-08-05 | 法雷奥照明湖北技术中心有限公司 | 光束调整装置、车灯与机动车辆 |
| JP7042616B2 (ja) * | 2017-12-28 | 2022-03-28 | スタンレー電気株式会社 | 車両用灯具 |
| JP7140446B2 (ja) * | 2018-07-23 | 2022-09-21 | スタンレー電気株式会社 | 車両用灯具 |
| FR3096112B1 (fr) * | 2019-05-16 | 2021-04-16 | Psa Automobiles Sa | Guide de lumière plan et feu de véhicule automobile comportant un tel guide. |
| CN112050162A (zh) * | 2019-06-05 | 2020-12-08 | 华域视觉科技(上海)有限公司 | 一种车灯光学元件、车灯模组及车辆 |
| JP7211903B2 (ja) * | 2019-06-20 | 2023-01-24 | スタンレー電気株式会社 | 車両用灯具 |
| CN118729181A (zh) * | 2019-12-12 | 2024-10-01 | 株式会社小糸制作所 | 车辆用灯 |
| US10962194B1 (en) * | 2019-12-14 | 2021-03-30 | Valeo North America, Inc. | Motor vehicle light guide and reflective coupler system for outboard homogenous lit appearance of lamp module |
| US11841120B2 (en) * | 2020-10-06 | 2023-12-12 | Hyundai Motor Company | Light-distributing lens and lighting module using the same |
| KR102880909B1 (ko) * | 2020-10-06 | 2025-11-03 | 현대자동차주식회사 | 차량용 발광 모듈 및 이를 포함하는 램프 장치 |
| CN116293511B (zh) * | 2021-12-21 | 2025-05-30 | 常州星宇车灯股份有限公司 | 光导装置和出光系统 |
| FR3149070A1 (fr) * | 2023-05-25 | 2024-11-29 | Valeo Vision | Element optique avec relief à motif régulier à au moins deux profondeurs |
| FR3149668A1 (fr) * | 2023-06-08 | 2024-12-13 | Valeo Vision | Unité lumineuse |
| FR3161725B1 (fr) | 2024-04-26 | 2026-03-13 | Valeo Vision | Module lumineux avec guide de lumière en nappe bi-fonction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003014938A (ja) * | 2001-04-12 | 2003-01-15 | Mitsubishi Engineering Plastics Corp | 透明樹脂製の導光板及びその成形方法、入れ子、金型組立体、並びに、面状光源装置 |
| JP2013251105A (ja) * | 2012-05-31 | 2013-12-12 | Toyoda Gosei Co Ltd | 照明用レンズおよび照明装置 |
| JP2014075331A (ja) * | 2012-09-13 | 2014-04-24 | Koito Mfg Co Ltd | 車両用灯具 |
| JP2014199763A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社小糸製作所 | 車両用灯具 |
| JP2015002025A (ja) * | 2013-06-13 | 2015-01-05 | 三菱化学株式会社 | 照明装置 |
| JP2015022972A (ja) * | 2013-07-23 | 2015-02-02 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013026008A (ja) * | 2011-07-20 | 2013-02-04 | Koito Mfg Co Ltd | 車両用灯具 |
| JP6162430B2 (ja) * | 2013-02-28 | 2017-07-12 | 株式会社小糸製作所 | 車両用灯具 |
| JP2016194983A (ja) * | 2015-03-31 | 2016-11-17 | 株式会社小糸製作所 | 車両用灯具 |
-
2016
- 2016-05-17 JP JP2016098793A patent/JP6761668B2/ja active Active
-
2017
- 2017-04-24 CN CN201710271673.4A patent/CN107388151B/zh active Active
- 2017-05-03 US US15/585,611 patent/US10300835B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003014938A (ja) * | 2001-04-12 | 2003-01-15 | Mitsubishi Engineering Plastics Corp | 透明樹脂製の導光板及びその成形方法、入れ子、金型組立体、並びに、面状光源装置 |
| JP2013251105A (ja) * | 2012-05-31 | 2013-12-12 | Toyoda Gosei Co Ltd | 照明用レンズおよび照明装置 |
| JP2014075331A (ja) * | 2012-09-13 | 2014-04-24 | Koito Mfg Co Ltd | 車両用灯具 |
| JP2014199763A (ja) * | 2013-03-29 | 2014-10-23 | 株式会社小糸製作所 | 車両用灯具 |
| JP2015002025A (ja) * | 2013-06-13 | 2015-01-05 | 三菱化学株式会社 | 照明装置 |
| JP2015022972A (ja) * | 2013-07-23 | 2015-02-02 | 株式会社小糸製作所 | 車両用灯具 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019106335A (ja) * | 2017-12-14 | 2019-06-27 | 株式会社小糸製作所 | ライトガイド装置 |
| JP7017394B2 (ja) | 2017-12-14 | 2022-02-08 | 株式会社小糸製作所 | ライトガイド装置 |
| EP4098935A1 (en) | 2021-05-31 | 2022-12-07 | Yamaha Hatsudoki Kabushiki Kaisha | Lamp unit and leaning vehicle |
| JP2024055549A (ja) * | 2022-10-07 | 2024-04-18 | 市光工業株式会社 | 車両用灯具 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107388151A (zh) | 2017-11-24 |
| US10300835B2 (en) | 2019-05-28 |
| CN107388151B (zh) | 2022-06-28 |
| US20170336041A1 (en) | 2017-11-23 |
| JP6761668B2 (ja) | 2020-09-30 |
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