JP7140446B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
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- JP7140446B2 JP7140446B2 JP2018137948A JP2018137948A JP7140446B2 JP 7140446 B2 JP7140446 B2 JP 7140446B2 JP 2018137948 A JP2018137948 A JP 2018137948A JP 2018137948 A JP2018137948 A JP 2018137948A JP 7140446 B2 JP7140446 B2 JP 7140446B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- guide section
- base end
- guide portion
- 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
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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
- F21S43/236—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
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
-
- 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
-
- 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
- G02B6/0011—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
- G02B6/0013—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
- G02B6/0028—Light guide, e.g. taper
-
- 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
-
- 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
- G02B6/0075—Arrangements of multiple light guides
-
- 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
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (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)
- Planar Illumination Modules (AREA)
Description
Claims (4)
- 導光体と、前記導光体内を導光される光を発光する光源と、を備え、
前記導光体は、ドット状に発光するドット面発光領域を構成する第1導光部、ライン状に発光するライン発光領域を構成する第2導光部、入光部、第1反射面及び第2反射面を含み、
前記第1導光部は、表面とその反対側の裏面とを含み、基端部から先端部に向かって延びた長尺の導光体であり、前記表面および前記裏面はそれぞれが平面又は平面形状の面で、互いに平行に配置されており、
前記第2導光部は、表面とその反対側の裏面とを含み、基端部から先端部に向かって延びた長尺の導光体であり、
前記第1導光部及び前記第2導光部は、長尺の導光体であり、それぞれの長尺に延びた方向が同一方向となるように並列に配置されており、
前記入光部は、前記光源が対向する入光面を含み、当該入光面から前記第1導光部の基端部及び前記第2導光部の基端部に延長されており、
前記第1反射面は、前記入光部と前記第1導光部の基端部との間に配置され、
前記第2反射面は、前記入光部と前記第2導光部の基端部との間に配置され、
前記入光面から前記入光部に入光した前記光源からの光のうち、前記第1反射面で内面反射された光は、前記第1導光部の表面と裏面との間で全反射を繰り返しつつ前記第1導光部の基端部から先端部に向けて前記第1導光部内を導光され、前記第2反射面で内面反射された光は、前記第2導光部の表面と裏面との間で全反射を繰り返しつつ前記第2導光部の基端部から先端部に向けて前記第2導光部内を導光され、
前記第1導光部の裏面は、前記第1導光部内を導光される光を前記第1導光部の表面から出光させるための複数の第1構造物を含み、
前記第2導光部の裏面は、前記第2導光部内を導光される光を前記第2導光部の表面から出光させるための複数の第2構造物を含み、
前記複数の第1構造物は、前記第1導光部がドット状に発光するように粗に配置された複数のレンズカットであり、
前記複数の第2構造物は、前記第2導光部がライン状に発光するように密に配置された複数のレンズカットである車両用灯具。 - 前記第1導光部の表面と前記第2導光部の表面は、互いに交差する形態で配置されている請求項1に記載の車両用灯具。
- 前記第1導光部と前記第2導光部との間に凹部が形成されている請求項1又は2に記載の車両用灯具。
- 前記第1導光部は、厚みが前記入光部の厚みより薄く構成されており、
前記導光体は、第3反射面を含み、
前記第3反射面は、当該第3反射面で内面反射された前記第1反射面からの光が前記第1導光部の表面と裏面との間で全反射を繰り返しつつ前記第1導光部の基端部から先端部に向けて前記第1導光部内を導光されるように、前記入光部と第1導光部の基端部との間に傾斜した姿勢で配置されている請求項1から3のいずれか1項に記載の車両用灯具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018137948A JP7140446B2 (ja) | 2018-07-23 | 2018-07-23 | 車両用灯具 |
EP19187768.7A EP3599418B1 (en) | 2018-07-23 | 2019-07-23 | Vehicular lamp comprising a light guide |
US16/519,373 US10823900B2 (en) | 2018-07-23 | 2019-07-23 | Vehicular lamp with elongated light guide portions |
CN201910664764.3A CN110762479B (zh) | 2018-07-23 | 2019-07-23 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018137948A JP7140446B2 (ja) | 2018-07-23 | 2018-07-23 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020017359A JP2020017359A (ja) | 2020-01-30 |
JP7140446B2 true JP7140446B2 (ja) | 2022-09-21 |
Family
ID=67438514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018137948A Active JP7140446B2 (ja) | 2018-07-23 | 2018-07-23 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10823900B2 (ja) |
EP (1) | EP3599418B1 (ja) |
JP (1) | JP7140446B2 (ja) |
CN (1) | CN110762479B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN217382775U (zh) * | 2021-12-30 | 2022-09-06 | 市光法雷奥(佛山)汽车照明系统有限公司 | 准直器、照明装置和机动车辆 |
FR3139617A1 (fr) * | 2022-09-12 | 2024-03-15 | Renault S.A.S | Dispositif lumineux pour véhicule automobile |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003081009A (ja) | 2001-09-12 | 2003-03-19 | Ichikoh Ind Ltd | 車両用照明装置 |
JP2011129251A (ja) | 2009-12-15 | 2011-06-30 | Colcoat Kk | 発光装置 |
JP2012190761A (ja) | 2011-03-14 | 2012-10-04 | Koito Mfg Co Ltd | 車両用灯具 |
JP2014192884A (ja) | 2013-03-28 | 2014-10-06 | Kyocera Document Solutions Inc | 照明装置、およびこれを備えた画像読取装置、画像形成装置 |
JP2016119273A (ja) | 2014-12-24 | 2016-06-30 | 株式会社小糸製作所 | 車両用灯具 |
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US5700078A (en) | 1996-12-23 | 1997-12-23 | Ford Global Technologies, Inc. | Laser illuminated lighting system |
DE102007013082A1 (de) * | 2007-03-14 | 2008-09-18 | Hella Kgaa Hueck & Co. | Signalleuchte |
FR2928110B1 (fr) * | 2008-03-03 | 2010-06-11 | Valeo Vision | Systeme optique avec fonction principale pour vehicule automobile |
FR2953781B1 (fr) * | 2009-12-11 | 2016-02-26 | Automotive Lighting Rear Lamps France | Dispositif pour feu de signalisation de vehicule automobile |
JP2012022909A (ja) * | 2010-07-15 | 2012-02-02 | Koito Mfg Co Ltd | 車両用灯具 |
JP5749576B2 (ja) * | 2011-06-07 | 2015-07-15 | 株式会社小糸製作所 | 車両用灯具 |
DE102011051978A1 (de) | 2011-07-20 | 2013-01-24 | Tap Ltd. | Rücklicht |
JP2013109942A (ja) * | 2011-11-21 | 2013-06-06 | Koito Mfg Co Ltd | 車両用灯具 |
JP5995699B2 (ja) * | 2012-12-07 | 2016-09-21 | 株式会社小糸製作所 | 車両用灯具 |
JP6166541B2 (ja) | 2013-01-30 | 2017-07-19 | スタンレー電気株式会社 | 車両用灯具 |
JP6085276B2 (ja) * | 2014-09-29 | 2017-02-22 | 本田技研工業株式会社 | 灯具 |
CZ20152A3 (cs) | 2015-01-07 | 2016-02-24 | Varroc Lighting Systems, s.r.o. | Signalizační svítilna |
JP6484096B2 (ja) | 2015-04-17 | 2019-03-13 | 市光工業株式会社 | 車両用導光体、車両用灯具 |
JP6411950B2 (ja) * | 2015-06-08 | 2018-10-24 | 本田技研工業株式会社 | 導光レンズ及び車両用灯具 |
FR3040760B1 (fr) * | 2015-09-08 | 2020-05-29 | Valeo Vision | Dispositif lumineux a diode electroluminescente organique |
JP6584302B2 (ja) * | 2015-11-17 | 2019-10-02 | スタンレー電気株式会社 | 導光体及び車両用灯具 |
JP6733207B2 (ja) * | 2016-02-17 | 2020-07-29 | 市光工業株式会社 | 車両用導光部材、車両用灯具 |
JP6696793B2 (ja) | 2016-02-24 | 2020-05-20 | スタンレー電気株式会社 | 車両用灯具 |
JP6761668B2 (ja) * | 2016-05-17 | 2020-09-30 | 株式会社小糸製作所 | 車両用灯具 |
FR3070070A1 (fr) * | 2017-08-14 | 2019-02-15 | Koito Manufacturing Co., Ltd. | Guide de lumiere en forme de tige et lampe de vehicule |
CN109506205B (zh) * | 2017-09-14 | 2022-08-05 | 法雷奥照明湖北技术中心有限公司 | 光束调整装置、车灯与机动车辆 |
CZ2018131A3 (cs) * | 2018-03-15 | 2019-09-25 | Varroc Lighting Systems, s.r.o. | Světlovodný systém, zejména pro osvětlení pozemních dopravních prostředků |
-
2018
- 2018-07-23 JP JP2018137948A patent/JP7140446B2/ja active Active
-
2019
- 2019-07-23 US US16/519,373 patent/US10823900B2/en active Active
- 2019-07-23 CN CN201910664764.3A patent/CN110762479B/zh active Active
- 2019-07-23 EP EP19187768.7A patent/EP3599418B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003081009A (ja) | 2001-09-12 | 2003-03-19 | Ichikoh Ind Ltd | 車両用照明装置 |
JP2011129251A (ja) | 2009-12-15 | 2011-06-30 | Colcoat Kk | 発光装置 |
JP2012190761A (ja) | 2011-03-14 | 2012-10-04 | Koito Mfg Co Ltd | 車両用灯具 |
JP2014192884A (ja) | 2013-03-28 | 2014-10-06 | Kyocera Document Solutions Inc | 照明装置、およびこれを備えた画像読取装置、画像形成装置 |
JP2016119273A (ja) | 2014-12-24 | 2016-06-30 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN110762479A (zh) | 2020-02-07 |
US20200025995A1 (en) | 2020-01-23 |
EP3599418B1 (en) | 2021-09-08 |
US10823900B2 (en) | 2020-11-03 |
JP2020017359A (ja) | 2020-01-30 |
CN110762479B (zh) | 2023-09-12 |
EP3599418A1 (en) | 2020-01-29 |
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