JP2019008933A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2019008933A JP2019008933A JP2017122113A JP2017122113A JP2019008933A JP 2019008933 A JP2019008933 A JP 2019008933A JP 2017122113 A JP2017122113 A JP 2017122113A JP 2017122113 A JP2017122113 A JP 2017122113A JP 2019008933 A JP2019008933 A JP 2019008933A
- Authority
- JP
- Japan
- Prior art keywords
- light
- region
- light guide
- guide rod
- 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
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Classifications
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- 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
-
- 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
- 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
- F21S43/249—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
- F21S43/20—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
- F21S43/27—Attachment thereof
-
- 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
- G02B6/0005—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 of the fibre type
-
- 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
- G02B6/0005—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 of the fibre type
- G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/35—Brake lights
Abstract
【解決手段】所定方向に延びた導光棒を備え、前記導光棒の外周面は、正面側に配置される第1面と、その反対側の背面側に配置される第2面と、を含み、前記第1面は、前記導光棒の一端面側の第1領域と、前記導光棒の他端面側の第2領域と、前記第1領域と前記第2領域との間の領域で、前記一端面から入光した第1光源からの光及び前記他端面から入光した第2光源からの光が出射する第3領域と、を含み、前記第1領域及び前記第2領域は、それぞれ、前記第1光源及び前記第2光源からの光を前記所定方向に直交する方向に拡散するように構成されており、前記第2面は、前記第1光源及び前記第2光源からの光を前記所定方向に拡散するように構成されている車両用灯具であることを特徴とする。
【選択図】 図1
Description
Claims (4)
- 所定方向に延びた導光棒を備え、
前記導光棒の外周面は、正面側に配置される第1面と、その反対側の背面側に配置される第2面と、を含み、
前記第1面は、前記導光棒の一端面側の第1領域と、前記導光棒の他端面側の第2領域と、前記第1領域と前記第2領域との間の領域で、前記一端面から入光した第1光源からの光及び前記他端面から入光した第2光源からの光が出射する第3領域と、を含み、
前記第1領域及び前記第2領域は、それぞれ、前記第1光源及び前記第2光源からの光を前記所定方向に直交する方向に拡散するように構成されており、
前記第2面は、前記第1光源及び前記第2光源からの光を前記所定方向に拡散するように構成されている車両用灯具。 - 前記第1領域及び前記第2領域には、それぞれ、前記導光棒内部に向かって凸で前記所定方向に延びた複数のローレットが前記外周面の周方向に設けられており、
前記第2面には、前記所定方向に直交する方向に延びた複数の三角柱形状のレンズカットが前記所定方向に設けられており、
前記三角柱形状のレンズカットは、前記導光棒内部に向かって凸の2つの側面を含む請求項1に記載の車両用灯具。 - 前記導光棒の外周面は、前記第1面と前記第2面とを接続する一対の第3面をさらに含み、
前記第1面は、正面側に向かって凸で前記所定方向に延びたシリンドリカル面であり、
前記一対の第3面は、それぞれ、前記導光棒内部に向かって凸の曲面である請求項1又は2に記載の車両用灯具。 - 前記所定方向に直交する平面による前記第1面の断面は、正面側に向かって凸の半円形状である請求項1から3のいずれか1項に記載の車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017122113A JP2019008933A (ja) | 2017-06-22 | 2017-06-22 | 車両用灯具 |
US16/015,044 US10502388B2 (en) | 2017-06-22 | 2018-06-21 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017122113A JP2019008933A (ja) | 2017-06-22 | 2017-06-22 | 車両用灯具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2019008933A true JP2019008933A (ja) | 2019-01-17 |
Family
ID=64692141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017122113A Pending JP2019008933A (ja) | 2017-06-22 | 2017-06-22 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10502388B2 (ja) |
JP (1) | JP2019008933A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6795385B2 (ja) * | 2016-12-01 | 2020-12-02 | シャープ株式会社 | 照明装置、画像読取装置および画像形成装置 |
JP2022022651A (ja) * | 2020-06-30 | 2022-02-07 | 市光工業株式会社 | 車両用導光体及び車両用灯具 |
EP4191129A1 (en) | 2021-12-02 | 2023-06-07 | ZKW Group GmbH | Light guide for vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013143307A (ja) * | 2012-01-12 | 2013-07-22 | Stanley Electric Co Ltd | 灯具 |
US8956026B2 (en) * | 2012-09-20 | 2015-02-17 | Hella Kgaa Hueck & Co. | Light guides for vehicles |
JP2015154120A (ja) * | 2014-02-11 | 2015-08-24 | 三菱電機株式会社 | 照明装置及びそれを用いたイメージセンサ |
JP2017041368A (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 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10022779A1 (de) | 2000-05-10 | 2001-11-15 | Hella Kg Hueck & Co | Stabförmiger Lichtleiter |
JP2002190917A (ja) | 2000-12-20 | 2002-07-05 | Htt:Kk | 棒状光源装置及びこれを用いた光学式読取装置 |
JP4798563B2 (ja) | 2006-12-05 | 2011-10-19 | コルコート株式会社 | ライン照明装置 |
JP2015191775A (ja) * | 2014-03-28 | 2015-11-02 | トヨタ自動車株式会社 | 車両用灯具 |
JP2016157552A (ja) | 2015-02-24 | 2016-09-01 | スタンレー電気株式会社 | 導光棒及び照明装置 |
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2017
- 2017-06-22 JP JP2017122113A patent/JP2019008933A/ja active Pending
-
2018
- 2018-06-21 US US16/015,044 patent/US10502388B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013143307A (ja) * | 2012-01-12 | 2013-07-22 | Stanley Electric Co Ltd | 灯具 |
US8956026B2 (en) * | 2012-09-20 | 2015-02-17 | Hella Kgaa Hueck & Co. | Light guides for vehicles |
JP2015154120A (ja) * | 2014-02-11 | 2015-08-24 | 三菱電機株式会社 | 照明装置及びそれを用いたイメージセンサ |
JP2017041368A (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 |
Also Published As
Publication number | Publication date |
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US20180372296A1 (en) | 2018-12-27 |
US10502388B2 (en) | 2019-12-10 |
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