JP2015115315A - 光案内装置及び該光案内装置を用いる照明具 - Google Patents
光案内装置及び該光案内装置を用いる照明具 Download PDFInfo
- Publication number
- JP2015115315A JP2015115315A JP2014080695A JP2014080695A JP2015115315A JP 2015115315 A JP2015115315 A JP 2015115315A JP 2014080695 A JP2014080695 A JP 2014080695A JP 2014080695 A JP2014080695 A JP 2014080695A JP 2015115315 A JP2015115315 A JP 2015115315A
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting
- reflecting surface
- light emitting
- emitting surface
- 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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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
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
-
- 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
- F21S43/237—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
-
- 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
-
- 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
32 光出射面
33 接続面
3 光案内部
4 入光部
5 固定フレーム
42 入光端
311 第1の反射部
312 第2の反射部
313 突起構造
71 カバー
73 中心発光手段
2 光源
72 光反射手段
711 ケース
712 透明キャップ
Claims (5)
- 内部で光が伝搬する光案内部を有する光案内装置であって、該光案内部は、光反射面と、前記光反射面と間隔を空けて対向するように設けられた光出射面と、前記光出射面と前記光反射面の両側をそれぞれ連続させるとともに、互いに対向するように設けられた2つの接続面とにより構成され、
前記光反射面は、前記光出射面側からのあらゆる入射角度の光を前記光出射面側に反射するように構成され、かつ互いに間隔を空けて配置されている複数の第1の反射部と、前記第1の反射部以外の箇所に形成されている第2の反射部とを含み、
前記光出射面は、前記光反射面から入射する光のうち、所定の入射角度範囲内の光のみを前記光案内部の外側に出射させ、それ以外の光を再び前記光反射面に反射するように構成されており、
前記第1の反射部は、前記光出射面側からの所定の入射角度範囲内の光を前記第2の反射部より効率的に前記光出射面に反射することを特徴とする光案内装置。 - 前記光案内部は所定の直線を囲む略環状に形成され、
前記光反射面と前記光出射面は、それぞれ環状に形成されるとともに、前記所定の直線に沿って並んでおり、
前記複数の第1の反射部は、環状に形成された前記光反射面に沿って、互いに間隔を空けて略環状に並んでおり、
前記光反射面における前記第1の反射部は粗面であることを特徴とする請求項1に記載の光案内装置。 - 前記光反射面における前記第1の反射部は、環状に形成された前記光反射面の円周方向に沿って並んでいる多数の突起構造を有する粗面であることを特徴とする請求項2に記載の光案内装置。
- 前記光反射面における前記第2の反射部は平面であることを特徴とする請求項1〜請求項3のいずれか一項に記載の光案内装置。
- カバーと、
発光手段と、
前記光案内部に入射した該発光手段の光が前記光出射面から出射するように案内し、かつ前記カバー内に収容されている請求項1〜請求項4のいずれか一項に記載の光案内装置と、
前記光案内部の外側の光反射面に貼り付けられ、かつ光を前記光反射面に反射する光反射手段とを備える照明具であって、
前記光反射面に貼り付けられる前記光反射手段が鏡面を有することにより、光を前記光反射面に反射することを特徴とする照明具。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW102146111A TW201522862A (zh) | 2013-12-13 | 2013-12-13 | 分段式出光導光件及燈具 |
TW102146111 | 2013-12-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015115315A true JP2015115315A (ja) | 2015-06-22 |
JP5755776B2 JP5755776B2 (ja) | 2015-07-29 |
Family
ID=50423941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014080695A Expired - Fee Related JP5755776B2 (ja) | 2013-12-13 | 2014-04-10 | 光案内装置及び該光案内装置を用いる照明具 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2884156A1 (ja) |
JP (1) | JP5755776B2 (ja) |
TW (1) | TW201522862A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020024789A (ja) * | 2018-08-06 | 2020-02-13 | マツダ株式会社 | 車両用照明装置 |
JP2020024793A (ja) * | 2018-08-06 | 2020-02-13 | マツダ株式会社 | 車両用照明装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017000889A1 (de) * | 2017-01-27 | 2018-08-02 | Christian Overmann | Modulares optisches Aufnahmesystem |
JP7056424B2 (ja) * | 2018-07-13 | 2022-04-19 | 豊田合成株式会社 | 導光体 |
TWI720621B (zh) * | 2019-09-19 | 2021-03-01 | 誠益光電科技股份有限公司 | 光線投射裝置及其具有環形發光效果的透鏡結構 |
Citations (3)
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US20080002400A1 (en) * | 2006-06-28 | 2008-01-03 | Yujing Technology Co., Ltd. | Illuminating ring |
JP2008277067A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Seiki Co Ltd | 照明装置 |
WO2011148580A1 (ja) * | 2010-05-25 | 2011-12-01 | パナソニック株式会社 | 照明装置及びカメラ |
Family Cites Families (12)
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US4833574A (en) * | 1988-03-11 | 1989-05-23 | Galagher P Christopher J | Annular fluorescent lamp |
DE19739173A1 (de) * | 1997-09-06 | 1999-03-11 | Hella Kg Hueck & Co | Signalleuchte für Fahrzeuge |
DE10137605A1 (de) * | 2001-08-01 | 2003-02-27 | Hella Kg Hueck & Co | Leuchte für Fahrzeuge |
DE20318691U1 (de) * | 2003-12-03 | 2004-02-26 | Sidler Gmbh & Co. | Leuchte |
US7127163B2 (en) * | 2004-08-19 | 2006-10-24 | Eastman Kodak Company | Ring light guide |
WO2009128516A1 (ja) * | 2008-04-17 | 2009-10-22 | 株式会社フジクラ | 表示装置 |
TWM364827U (en) * | 2009-03-18 | 2009-09-11 | Sirius Light Technology Co Ltd | Light guide device for vehicle lamp |
TWI454639B (zh) * | 2009-12-28 | 2014-10-01 | Hon Hai Prec Ind Co Ltd | 環形導光結構及採用該環形導光結構之背光模組 |
CN201706351U (zh) * | 2010-03-27 | 2011-01-12 | 孙少珍 | 一种灯具及其应用的车用投影灯 |
ITTV20110098A1 (it) * | 2011-07-11 | 2013-01-12 | Automotive Lighting Italia Spa | Fanale automobilistico |
TWM451275U (zh) * | 2012-11-12 | 2013-04-21 | Tyc Brother Ind Co Ltd | 可產生均勻亮度的車燈透鏡 |
-
2013
- 2013-12-13 TW TW102146111A patent/TW201522862A/zh unknown
-
2014
- 2014-03-27 EP EP14001138.8A patent/EP2884156A1/en not_active Withdrawn
- 2014-04-10 JP JP2014080695A patent/JP5755776B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080002400A1 (en) * | 2006-06-28 | 2008-01-03 | Yujing Technology Co., Ltd. | Illuminating ring |
JP2008277067A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Seiki Co Ltd | 照明装置 |
WO2011148580A1 (ja) * | 2010-05-25 | 2011-12-01 | パナソニック株式会社 | 照明装置及びカメラ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020024789A (ja) * | 2018-08-06 | 2020-02-13 | マツダ株式会社 | 車両用照明装置 |
JP2020024793A (ja) * | 2018-08-06 | 2020-02-13 | マツダ株式会社 | 車両用照明装置 |
JP7115126B2 (ja) | 2018-08-06 | 2022-08-09 | マツダ株式会社 | 車両用照明装置 |
JP7131186B2 (ja) | 2018-08-06 | 2022-09-06 | マツダ株式会社 | 車両用照明装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5755776B2 (ja) | 2015-07-29 |
TW201522862A (zh) | 2015-06-16 |
TWI487869B (ja) | 2015-06-11 |
EP2884156A1 (en) | 2015-06-17 |
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