JPWO2014199563A1 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JPWO2014199563A1 JPWO2014199563A1 JP2015522493A JP2015522493A JPWO2014199563A1 JP WO2014199563 A1 JPWO2014199563 A1 JP WO2014199563A1 JP 2015522493 A JP2015522493 A JP 2015522493A JP 2015522493 A JP2015522493 A JP 2015522493A JP WO2014199563 A1 JPWO2014199563 A1 JP WO2014199563A1
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- face
- diffusion
- light source
- 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.)
- Pending
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
- 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
-
- 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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging 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
- F21S43/10—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
- F21S43/237—Light guides characterised by the shape of the light guide rod-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
- F21S43/236—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
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (5)
- 光源と、
前記光源から発せられた光が一端面から入射するように配置された導光体であって、該導光体の内部に導かれた光を該導光体の延出方向に沿った出射面から車両の前方に向けて出射させる、導光体と、を備え、
前記導光体は、
前記出射面の反対側の面に形成され前記導光体の内部に導かれた光を前記出射面に向けて反射させる反射ステップと、
前記一端面に形成され、該一端面を略水平方向に切断したときの断面がそれぞれ円弧状であり略垂直方向に同形状で延びる複数の拡散ステップと、
を有することを特徴とする車両用灯具。 - 前記一端面の外側に位置する拡散ステップよりも、該一端面の中央に位置する拡散ステップの方が、円弧状断面の曲率半径が小さくなるように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。
- 前記導光体は、隣合う前記拡散ステップの端部間を接続する段差壁をさらに有し、
前記一端面を略水平方向に切断したときの断面において、前記光源から前記段差壁に進む直射光と前記段差壁とが略同一直線状にあることを特徴とする請求項1に記載の車両用灯具。 - 前記光源の光軸と前記導光体の縦軸とが角度を持つことを特徴とする請求項1ないし3のいずれかに記載の車両用灯具。
- 前記拡散ステップの円弧状断面が凹形であることを特徴とする請求項1ないし4のいずれかに記載の車両用灯具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013123123 | 2013-06-11 | ||
JP2013123123 | 2013-06-11 | ||
PCT/JP2014/002600 WO2014199563A1 (ja) | 2013-06-11 | 2014-05-16 | 車両用灯具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2014199563A1 true JPWO2014199563A1 (ja) | 2017-02-23 |
Family
ID=52021886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015522493A Pending JPWO2014199563A1 (ja) | 2013-06-11 | 2014-05-16 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9835305B2 (ja) |
JP (1) | JPWO2014199563A1 (ja) |
CN (1) | CN105393047B (ja) |
WO (1) | WO2014199563A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017041370A (ja) | 2015-08-20 | 2017-02-23 | スタンレー電気株式会社 | 導光体及びこれを用いた車両用灯具 |
JP6847513B2 (ja) * | 2016-12-26 | 2021-03-24 | ダイハツ工業株式会社 | 導光体 |
CN110312895B (zh) * | 2017-02-28 | 2021-07-27 | 本田技研工业株式会社 | 前照灯的灯单元支承结构以及前照灯的制法 |
CN109143449B (zh) * | 2017-06-15 | 2021-03-26 | 市光法雷奥(佛山)汽车照明***有限公司 | 光导装置、照明装置及机动车辆 |
FR3070070A1 (fr) | 2017-08-14 | 2019-02-15 | Koito Manufacturing Co., Ltd. | Guide de lumiere en forme de tige et lampe de vehicule |
CN108828707B (zh) * | 2018-06-06 | 2021-02-23 | 宇龙计算机通信科技(深圳)有限公司 | 导光结构和移动终端 |
JP7271117B2 (ja) * | 2018-09-19 | 2023-05-11 | 株式会社小糸製作所 | 車両用灯具および車両用灯具の製造方法 |
DE102020121819A1 (de) | 2020-08-20 | 2022-02-24 | Daimler Ag | Anordnung zur Ausstrahlung von Licht an einer Frontseite eines Fahrzeuges |
EP4286742A1 (en) * | 2022-05-31 | 2023-12-06 | Marelli Automotive Lighting Italy S.p.A. | Automotive lighting and/or signaling device with a light guide |
FR3139060A1 (fr) * | 2022-08-29 | 2024-03-01 | Psa Automobiles Sa | Bloc optique avec diffusion de photons non perpendiculaire à l’entrée de guide de lumière |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002196151A (ja) * | 2000-12-25 | 2002-07-10 | Citizen Electronics Co Ltd | 導光板 |
JP2008010291A (ja) * | 2006-06-29 | 2008-01-17 | Citizen Electronics Co Ltd | 導光板、バックライトユニット、及びそのバックライトユニットを備えた表示装置 |
JP2009054454A (ja) * | 2007-08-28 | 2009-03-12 | Sharp Corp | 導光板、面光源装置、および液晶表示装置 |
JP2011054523A (ja) * | 2009-09-04 | 2011-03-17 | Koito Mfg Co Ltd | サイドターンシグナルランプ |
JP2011076858A (ja) * | 2009-09-30 | 2011-04-14 | Koito Mfg Co Ltd | 車輌用灯具 |
JP2011258350A (ja) * | 2010-06-07 | 2011-12-22 | Ichikoh Ind Ltd | 車両用灯具 |
JP2012174641A (ja) * | 2011-02-24 | 2012-09-10 | Koito Mfg Co Ltd | 車両用灯具 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6623132B2 (en) * | 1999-08-11 | 2003-09-23 | North American Lighting, Inc. | Light coupler hingedly attached to a light guide for automotive lighting |
JP3923867B2 (ja) * | 2002-07-26 | 2007-06-06 | 株式会社アドバンスト・ディスプレイ | 面状光源装置及びそれを用いた液晶表示装置 |
CN100485482C (zh) * | 2004-10-14 | 2009-05-06 | 清华大学 | 导光板和背光模组 |
JP4780788B2 (ja) * | 2007-01-31 | 2011-09-28 | スタンレー電気株式会社 | Led灯具ユニット |
JP2013016460A (ja) | 2011-06-07 | 2013-01-24 | Koito Mfg Co Ltd | 車両用灯具 |
-
2014
- 2014-05-16 CN CN201480033181.6A patent/CN105393047B/zh active Active
- 2014-05-16 JP JP2015522493A patent/JPWO2014199563A1/ja active Pending
- 2014-05-16 WO PCT/JP2014/002600 patent/WO2014199563A1/ja active Application Filing
-
2015
- 2015-12-07 US US14/960,629 patent/US9835305B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002196151A (ja) * | 2000-12-25 | 2002-07-10 | Citizen Electronics Co Ltd | 導光板 |
JP2008010291A (ja) * | 2006-06-29 | 2008-01-17 | Citizen Electronics Co Ltd | 導光板、バックライトユニット、及びそのバックライトユニットを備えた表示装置 |
JP2009054454A (ja) * | 2007-08-28 | 2009-03-12 | Sharp Corp | 導光板、面光源装置、および液晶表示装置 |
JP2011054523A (ja) * | 2009-09-04 | 2011-03-17 | Koito Mfg Co Ltd | サイドターンシグナルランプ |
JP2011076858A (ja) * | 2009-09-30 | 2011-04-14 | Koito Mfg Co Ltd | 車輌用灯具 |
JP2011258350A (ja) * | 2010-06-07 | 2011-12-22 | Ichikoh Ind Ltd | 車両用灯具 |
JP2012174641A (ja) * | 2011-02-24 | 2012-09-10 | Koito Mfg Co Ltd | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN105393047A (zh) | 2016-03-09 |
CN105393047B (zh) | 2018-12-04 |
WO2014199563A1 (ja) | 2014-12-18 |
US9835305B2 (en) | 2017-12-05 |
US20160084468A1 (en) | 2016-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014199563A1 (ja) | 車両用灯具 | |
US10371341B2 (en) | Vehicle lamp | |
JP6047942B2 (ja) | 車両用灯具 | |
JP5503109B2 (ja) | ライセンスプレートランプ | |
US20140071703A1 (en) | Vehicular lamp | |
JP6709095B2 (ja) | 車両用灯具 | |
US10174902B2 (en) | Vehicle lighting fixture | |
JP6264789B2 (ja) | 車両用灯具 | |
JP2015201278A (ja) | 車両用灯具 | |
US10288244B2 (en) | Vehicle lighting fixture | |
WO2016104111A1 (ja) | 車両用灯具 | |
JP2015049977A (ja) | 車両用灯具 | |
JP6474660B2 (ja) | 車両用灯具 | |
JP2014154524A (ja) | 灯具 | |
JP2016091825A (ja) | 車両用灯具 | |
JP2016085829A (ja) | 車両用灯具 | |
JP6221438B2 (ja) | 車両用灯具 | |
JP5938227B2 (ja) | 導光部材および車両用灯具 | |
JP2016024855A (ja) | 車両用信号灯 | |
JP2016009648A (ja) | 車両用照明装置 | |
JP2014154522A (ja) | 導光レンズ及び灯具 | |
JP6183650B2 (ja) | 車両用前照灯 | |
KR102327022B1 (ko) | 차량용 램프 | |
JP6281393B2 (ja) | 車両用灯具及びレンズ体 | |
JP7205193B2 (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: 20170222 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171205 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180109 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180612 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180809 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190115 |