JP4937649B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP4937649B2 JP4937649B2 JP2006177611A JP2006177611A JP4937649B2 JP 4937649 B2 JP4937649 B2 JP 4937649B2 JP 2006177611 A JP2006177611 A JP 2006177611A JP 2006177611 A JP2006177611 A JP 2006177611A JP 4937649 B2 JP4937649 B2 JP 4937649B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- lamp
- optical axis
- reflector
- 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
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- G02B6/0018—Redirecting means on the surface of 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
- G02B6/0011—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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
2 前面カバー
3,3A,3B リフレクタ
4,4A 導光体
5 LED
11 前面開口
31 区分反射部
31a 分割反射面
32 衝壁
33 光入射穴
41 シリンドリカルステップ
41A 魚眼ステップ
42 曲面部
43 入射面
T&SL テール&ストップランプ
Claims (4)
- 発光素子と、発光素子から出射された光をランプ前方に向けて反射する反射面を有するリフレクタと、前記リフレクタの前側に配置され前記発光素子から出射した光を一方の側面から入射し、前方に向けた他方の側面から出射する板状の導光体とを備え、前記発光素子は前記導光体の一方の側面に沿った方向に所要の間隔で配置され、素子光軸がランプ光軸と交差する方向に向けられた複数の発光素子で構成され、前記導光体は前記素子光軸とランプ光軸を含む平面上に延在される板状に形成されるとともに、前記一方の側面に前記複数の発光素子からの光がそれぞれ入射され、入射された光をそれぞれランプ光軸方向へ向けて内面反射する内面反射面としての複数の曲面部を備える鋸歯状に構成され、前記リフレクタは前記素子光軸とランプ光軸を含む平面と交差する方向には前記導光体の両側領域にまで延在され、前記発光素子から出射される光のうち、素子光軸近傍の光を前記導光体に入射し、素子光軸近傍以外の光を前記リフレクタの反射面に投射する構成であり、かつ前記導光体は前記曲面部が前記リフレクタの反射面に対向配置され、前記導光体に入射されて当該曲面部から出射した光を前記リフレクタで反射して前記導光体に再入射させるように構成されたことを特徴とする車両用灯具。
- 前記リフレクタは前記導光体の複数の曲面部に対応する鋸歯状に形成され、前記導光体の複数の曲面部に対向する領域において前記導光体から出射した光を反射して当該導光体への再入射を行う複数の反射部を有することを特徴とする請求項1に記載の車両用灯具。
- 前記導光体は複数の板状の導光体を厚み方向に積層したことを特徴とする請求項1又は2に記載の車両用灯具。
- 前記導光体は前記発光素子の発光色と同色系に着色されている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。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006177611A JP4937649B2 (ja) | 2006-06-28 | 2006-06-28 | 車両用灯具 |
US11/811,822 US20080013333A1 (en) | 2006-06-28 | 2007-06-12 | Vehicular lamp |
CN2007101094970A CN101097049B (zh) | 2006-06-28 | 2007-06-28 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006177611A JP4937649B2 (ja) | 2006-06-28 | 2006-06-28 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008010227A JP2008010227A (ja) | 2008-01-17 |
JP4937649B2 true JP4937649B2 (ja) | 2012-05-23 |
Family
ID=38949069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006177611A Expired - Fee Related JP4937649B2 (ja) | 2006-06-28 | 2006-06-28 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080013333A1 (ja) |
JP (1) | JP4937649B2 (ja) |
CN (1) | CN101097049B (ja) |
Families Citing this family (82)
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JP2009026462A (ja) * | 2007-07-17 | 2009-02-05 | Toyoda Gosei Co Ltd | 車両用灯具 |
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KR20200098792A (ko) * | 2019-02-12 | 2020-08-21 | 현대자동차주식회사 | 살균이 가능한 차량의 램프 어셈블리 및 이를 이용한 살균방법 |
CN111536487B (zh) * | 2020-04-22 | 2021-03-19 | 东风汽车集团有限公司 | 一种汽车信号灯配光装置 |
CN111999887B (zh) * | 2020-09-07 | 2022-04-08 | 马瑞利汽车零部件(芜湖)有限公司 | 一种包含消除倒角处暗区的扩散孔的厚壁件光学系统的设计方法 |
DE102020124482A1 (de) * | 2020-09-21 | 2022-03-24 | Bayerische Motoren Werke Aktiengesellschaft | Beleuchtungsvorrichtung für ein Kraftfahrzeug |
EP4023935A1 (en) | 2020-12-31 | 2022-07-06 | Marelli Automotive Lighting Italy S.p.A. Con Socio Unico | Automotive light |
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JPS5768801A (en) * | 1980-10-17 | 1982-04-27 | Fuji Photo Optical Co Ltd | Linear lighting equipment |
JP2000251505A (ja) * | 1999-03-02 | 2000-09-14 | Koito Mfg Co Ltd | 車両用標識灯 |
JP3984023B2 (ja) * | 2001-11-02 | 2007-09-26 | 株式会社小糸製作所 | 車輌用灯具 |
JP3998999B2 (ja) * | 2002-03-06 | 2007-10-31 | 株式会社小糸製作所 | 車両用灯具 |
JP4218493B2 (ja) * | 2003-10-17 | 2009-02-04 | 豊田合成株式会社 | Led灯具 |
JP4191658B2 (ja) * | 2004-08-09 | 2008-12-03 | 株式会社小糸製作所 | 車両用灯具 |
JP2006059541A (ja) * | 2004-08-17 | 2006-03-02 | Ichikoh Ind Ltd | 導光体及びそれを備えたled光源ユニット |
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CN101097049A (zh) | 2008-01-02 |
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JP2008010227A (ja) | 2008-01-17 |
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