JP6473032B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6473032B2 JP6473032B2 JP2015076857A JP2015076857A JP6473032B2 JP 6473032 B2 JP6473032 B2 JP 6473032B2 JP 2015076857 A JP2015076857 A JP 2015076857A JP 2015076857 A JP2015076857 A JP 2015076857A JP 6473032 B2 JP6473032 B2 JP 6473032B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- organic
- emitting unit
- lamp
- light
- 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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- 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
-
- 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
-
- 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
- B60Q1/2607—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 comprising at least two indicating lamps
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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
- F21S43/10—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
- F21S43/10—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]
- F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
- F21Y2115/15—Organic light-emitting diodes [OLED]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Electroluminescent Light Sources (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (5)
- 第1発光部と、
有機EL素子を光源とする第2発光部と、を備え、
テールランプオン時に前記第2発光部が点灯し、
ストップランプオン時に前記第1発光部および前記第2発光部がともに点灯するように構成され、
ストップランプオン時の前記第2発光部の光度をテールランプオン時よりも小さくする減光部をさらに備えることを特徴とする車両用灯具。 - 前記減光部は、ストップランプオン時の前記第2発光部の光度を、昼間よりも夜間で小さくすることを特徴とする請求項1に記載の車両用灯具。
- ストップランプ点灯時に、前記第1発光部のみでストップランプに要求される光度を満足し、前記第1発光部と前記第2発光部の発光範囲を組み合わせてストップランプに要求される発光面積を満足するように構成されることを特徴とする請求項1または2に記載の車両用灯具。
- 前記減光部は、有機EL素子の温度が所定値以上の場合に有機EL素子に流れる電流を制限す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。
- 前記第2発光部の点灯中に有機EL素子の順方向電圧を測定し、その値に基づき有機EL素子の温度を推定する温度推定部をさらに備えることを特徴とする請求項4に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015076857A JP6473032B2 (ja) | 2015-04-03 | 2015-04-03 | 車両用灯具 |
US15/072,438 US9649976B2 (en) | 2015-04-03 | 2016-03-17 | Vehicle lamp |
KR1020160035249A KR102090859B1 (ko) | 2015-04-03 | 2016-03-24 | 차량용 등기구 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015076857A JP6473032B2 (ja) | 2015-04-03 | 2015-04-03 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016196239A JP2016196239A (ja) | 2016-11-24 |
JP6473032B2 true JP6473032B2 (ja) | 2019-02-20 |
Family
ID=57015260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015076857A Active JP6473032B2 (ja) | 2015-04-03 | 2015-04-03 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9649976B2 (ja) |
JP (1) | JP6473032B2 (ja) |
KR (1) | KR102090859B1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112018000522T5 (de) * | 2017-01-25 | 2019-10-10 | Koito Manufacturing Co., Ltd. | Fahrzeuglampenfassung |
JP7174795B2 (ja) * | 2021-03-10 | 2022-11-17 | 本田技研工業株式会社 | 後部灯体制御システム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3973717B2 (ja) * | 1996-07-10 | 2007-09-12 | 株式会社小糸製作所 | 車両用灯具 |
US6587573B1 (en) * | 2000-03-20 | 2003-07-01 | Gentex Corporation | System for controlling exterior vehicle lights |
JP2000033834A (ja) * | 1998-07-17 | 2000-02-02 | Ichikoh Ind Ltd | 車両用ストップランプ装置 |
JP3507404B2 (ja) * | 2000-04-24 | 2004-03-15 | キヤノン株式会社 | 照明装置と照明方法、および該照明装置を備えた露光装置とこれらによるデバイスの製造方法 |
JP2004034741A (ja) * | 2002-06-28 | 2004-02-05 | Matsushita Electric Works Ltd | 車載用のテール/ストップランプ |
JP4030903B2 (ja) * | 2003-03-14 | 2008-01-09 | 株式会社小糸製作所 | 車両用灯具 |
GB2405755B (en) * | 2003-09-04 | 2006-07-05 | Shaukat Consultants Ltd | Lamps for a road vehicle |
JP5264777B2 (ja) * | 2007-01-24 | 2013-08-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 少なくとも1つのランプ及び少なくとも1つのoledを含む発光装置 |
JP2010205714A (ja) | 2009-02-03 | 2010-09-16 | Jsr Corp | 照明装置 |
WO2011107904A1 (en) * | 2010-03-03 | 2011-09-09 | Koninklijke Philips Electronics N.V. | Lighting device with lamp and oled |
JP2012074186A (ja) * | 2010-09-28 | 2012-04-12 | Ichikoh Ind Ltd | 車両用灯具の半導体型光源の光源ユニット、車両用灯具 |
US8562190B2 (en) * | 2010-12-30 | 2013-10-22 | Toyota Motor Engineering & Manufacturing North America, Inc. | Rear lamp assembly |
CN104350325B (zh) * | 2012-05-29 | 2018-05-15 | 市光工业株式会社 | 车辆用灯具的半导体型光源的光源单元、车辆用灯具 |
JP6160955B2 (ja) * | 2013-07-10 | 2017-07-12 | パナソニックIpマネジメント株式会社 | 発光ダイオード駆動装置、それを備えた車両用照明装置および車両 |
-
2015
- 2015-04-03 JP JP2015076857A patent/JP6473032B2/ja active Active
-
2016
- 2016-03-17 US US15/072,438 patent/US9649976B2/en active Active
- 2016-03-24 KR KR1020160035249A patent/KR102090859B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR102090859B1 (ko) | 2020-03-18 |
US9649976B2 (en) | 2017-05-16 |
JP2016196239A (ja) | 2016-11-24 |
US20160288702A1 (en) | 2016-10-06 |
KR20160118938A (ko) | 2016-10-12 |
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