JP6082992B2 - 照明装置、灯具および車両 - Google Patents
照明装置、灯具および車両 Download PDFInfo
- Publication number
- JP6082992B2 JP6082992B2 JP2013139490A JP2013139490A JP6082992B2 JP 6082992 B2 JP6082992 B2 JP 6082992B2 JP 2013139490 A JP2013139490 A JP 2013139490A JP 2013139490 A JP2013139490 A JP 2013139490A JP 6082992 B2 JP6082992 B2 JP 6082992B2
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- lighting device
- light
- region
- groove
- 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.)
- Expired - Fee Related
Links
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
- F21S43/237—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
- F21S43/242—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
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- 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
- 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]
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
本発明の第1の実施形態に係る車両の正面図を図1に示す。本発明の第1の実施形態に係る車両(以下、「車両100」という。)は、車体101と、本発明の第1の実施形態に係る灯具(以下、「灯具200」という。)とを備える。
(第2の実施形態)
本発明の第2の実施形態に係る車両の正面図を図8(a)に、拡大正面図を図8(b)にそれぞれ示す。本発明の第2の実施形態に係る車両400(以下、「車両400」という。)は、車両100と同様に、車体101と、本発明の第2の実施形態に係る灯具(以下、「灯具500」という。)とを備える。
(変形例)
本発明の構成は、上記実施形態に限らず、例えば以下のような変形例を用いることができる。
1.車両について
車両100、400は、四輪自動車に限らず、二輪自動車や三輪自動車であってもよい。
2.灯具について
灯具200、400は、DRL照明や前照灯ユニットに限らず、ターンランプ等であってもよい。
3.照明装置について
導光体303、601の入射面302の形状は、平面形状に限らず、凹面状または凸面状であってもよい。また、入射面302がレンズ機能を有するものであってもよい。この場合、光源304に別途レンズを設けるのに対して、照明装置を小型化することができる。
200、500 灯具
300、600 照明装置
301 一端部
302 入射面
303、601 導光体
304 光源
305 他端部
306 反射面
307 出射面
308 第1の領域
309 溝
310 凹部
602 第2の領域
Claims (7)
- 一端部に入射面を設けた長尺状の導光体と、前記導光体の前記入射面に対向配置した光源とを備え、
前記導光体は、前記一端部と他端部との間に形成された反射面と、前記反射面に対向する出射面とを有し、
前記反射面には、前記一端部と前記他端部との間の第1の領域における前記導光体の延伸方向に垂直な方向に対して傾斜する方向に延びる複数の溝を設け、
前記出射面は、前記一端部から他端部に向かって延伸する凹部を有することを特徴とする照明装置。 - 前記導光体は、前記一端部と前記他端部との間が湾曲していることを特徴とする請求項1に記載の照明装置。
- 前記導光体は、前記一端部と前記他端部との間が前記反射面に対して平行な方向に湾曲していることを特徴とする請求項2に記載の照明装置。
- 前記導光体は、第1の領域と、前記第1の領域に対して他端部側の第2の領域とを有し、
前記溝は、前記第2の領域における延伸方向に垂直な方向に延びることを特徴とする請求項3に記載の照明装置。 - 前記溝の間隔は、前記一端部側よりも前記他端部側が小さいことを特徴とする請求項1に記載の照明装置。
- ハウジングと、前記ハウジングの内部に配された請求項1〜5のいずれか1項に記載の照明装置とを備えることを特徴とする灯具。
- 車体と、請求項1〜5のいずれか1項に記載の照明装置とを備えることを特徴とする車両。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013139490A JP6082992B2 (ja) | 2013-07-03 | 2013-07-03 | 照明装置、灯具および車両 |
US14/314,197 US9470389B2 (en) | 2013-07-03 | 2014-06-25 | Lighting device, lighting fitting, and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013139490A JP6082992B2 (ja) | 2013-07-03 | 2013-07-03 | 照明装置、灯具および車両 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015015077A JP2015015077A (ja) | 2015-01-22 |
JP6082992B2 true JP6082992B2 (ja) | 2017-02-22 |
Family
ID=52132699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013139490A Expired - Fee Related JP6082992B2 (ja) | 2013-07-03 | 2013-07-03 | 照明装置、灯具および車両 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9470389B2 (ja) |
JP (1) | JP6082992B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016120973A1 (ja) * | 2015-01-26 | 2016-08-04 | 日立マクセル株式会社 | 光源装置及びそれを利用した照明器具と車両用灯具 |
CN107289391B (zh) * | 2016-03-30 | 2020-10-23 | 长城汽车股份有限公司 | 导光条及车辆灯具 |
GB2552645B (en) * | 2016-06-22 | 2020-02-12 | Polymer Optics Ltd | Optical element |
JP6742228B2 (ja) * | 2016-12-01 | 2020-08-19 | 株式会社小糸製作所 | 灯具 |
JP7271241B2 (ja) * | 2018-11-02 | 2023-05-11 | 株式会社小糸製作所 | 車両用灯具 |
US11220210B1 (en) * | 2021-07-13 | 2022-01-11 | Ford Global Technologies, Llc | Light pipe |
JP2023047718A (ja) * | 2021-09-27 | 2023-04-06 | 豊田合成株式会社 | 照明装置 |
US11885469B2 (en) * | 2022-05-02 | 2024-01-30 | North American Lighting, Inc. | Light guide with multi-directional optics |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2235856B (en) * | 1989-09-01 | 1993-11-17 | Quantel Ltd | Improvements in or relating to electronic graphic systems |
US5432876C1 (en) * | 1992-10-19 | 2002-05-21 | Minnesota Mining & Mfg | Illumination devices and optical fibres for use therein |
JP2003297109A (ja) * | 2002-04-02 | 2003-10-17 | Bridgestone Corp | 線状発光体 |
US8333493B2 (en) * | 2009-04-03 | 2012-12-18 | North American Lighting, Inc. | Dual-direction light pipe for automotive lighting |
JP5664900B2 (ja) | 2010-12-03 | 2015-02-04 | スタンレー電気株式会社 | 車両用光学ユニット |
-
2013
- 2013-07-03 JP JP2013139490A patent/JP6082992B2/ja not_active Expired - Fee Related
-
2014
- 2014-06-25 US US14/314,197 patent/US9470389B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9470389B2 (en) | 2016-10-18 |
US20150009696A1 (en) | 2015-01-08 |
JP2015015077A (ja) | 2015-01-22 |
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