JP5457710B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5457710B2 JP5457710B2 JP2009105546A JP2009105546A JP5457710B2 JP 5457710 B2 JP5457710 B2 JP 5457710B2 JP 2009105546 A JP2009105546 A JP 2009105546A JP 2009105546 A JP2009105546 A JP 2009105546A JP 5457710 B2 JP5457710 B2 JP 5457710B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- abnormality
- fan
- signal
- cooling fan
- 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
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
-
- 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
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
-
- 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
- B60Q1/28—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 front of vehicle
-
- 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
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/13—Ultraviolet light; Infrared light
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/18—Combination of light sources of different types or shapes
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
-
- 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
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
-
- 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
- B60Q1/0017—Devices integrating an element dedicated to another function
Description
Claims (4)
- 赤外光を出射する赤外光用半導体光源と、
白色光を出射する白色光用半導体光源と、
前記赤外光用半導体光源及び前記白色光用半導体光源にそれぞれ光源駆動電流を供給する電流供給回路と、前記白色光用半導体光源の異常を検出し異常検出時に前記赤外光用半導体光源の駆動を停止させる光源異常検出部とを有する制御部とを備え、
前記白色光用半導体光源が前記赤外光用半導体光源の赤色光を消すための機能を備えている
ことを特徴とする車両用灯具。 - 前記白色光用半導体光源がクリアランスランプとしての機能を兼ね備えている
ことを特徴とする請求項1に記載の車両用灯具。 - 前記赤外光用半導体光源を冷却する冷却用ファンを備え、
前記制御部は、前記冷却用ファンを駆動するファン駆動電流を制御し、前記冷却用ファンの異常を検出し異常検出時に前記赤外光用半導体光源の駆動を停止させるファン異常検出部を有する
ことを特徴とする請求項1又は請求項2に記載の車両用灯具。 - 前記ファン異常検出部は、前記冷却用ファンから送出され前記冷却用ファンの回転数と同期したパルス信号を受け、パルス信号の周波数が所定の値以下である場合にファン異常検出信号を送出する
ことを特徴とする請求項3に記載の車両用灯具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009105546A JP5457710B2 (ja) | 2009-04-23 | 2009-04-23 | 車両用灯具 |
EP10159310.1A EP2244004B1 (en) | 2009-04-23 | 2010-04-08 | Vehicle lamp |
US12/759,957 US8482204B2 (en) | 2009-04-23 | 2010-04-14 | Vehicle lamp |
CN201010154035A CN101873751A (zh) | 2009-04-23 | 2010-04-22 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009105546A JP5457710B2 (ja) | 2009-04-23 | 2009-04-23 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010254099A JP2010254099A (ja) | 2010-11-11 |
JP5457710B2 true JP5457710B2 (ja) | 2014-04-02 |
Family
ID=42288598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009105546A Expired - Fee Related JP5457710B2 (ja) | 2009-04-23 | 2009-04-23 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8482204B2 (ja) |
EP (1) | EP2244004B1 (ja) |
JP (1) | JP5457710B2 (ja) |
CN (1) | CN101873751A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021241848A1 (ko) * | 2020-05-25 | 2021-12-02 | 삼성전자주식회사 | 디스플레이 장치 및 디스플레이 시스템 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110011353A (ko) * | 2009-07-28 | 2011-02-08 | 현대자동차주식회사 | 헤드램프 방열시스템 |
JP5950630B2 (ja) * | 2012-03-08 | 2016-07-13 | オスラム ゲーエムベーハーOSRAM GmbH | ヘッドライト用led光源モジュール |
KR20140046146A (ko) * | 2012-10-10 | 2014-04-18 | 삼성전자주식회사 | 광원장치 및 이를 이용한 차량용 헤드라이트 |
JP6151591B2 (ja) | 2013-02-22 | 2017-06-21 | 株式会社小糸製作所 | 車両用灯具 |
AT14662U1 (de) * | 2013-07-30 | 2016-03-15 | Tridonic Gmbh & Co Kg | Spannungs-Konditionierungsmodul für Leuchtmittelkonverter |
CN103615673A (zh) * | 2013-10-31 | 2014-03-05 | 辽宁广达电子科技股份有限公司 | 全角度led球泡灯 |
EP2998789A1 (en) | 2014-09-04 | 2016-03-23 | Koito Manufacturing Co., Ltd. | Vehicle lamp device and abnormality detector of light source thereof |
JP6375801B2 (ja) * | 2014-09-09 | 2018-08-22 | 株式会社デンソー | 車両用発光装置 |
KR20170118180A (ko) * | 2015-02-17 | 2017-10-24 | 어플라이드 머티어리얼스, 인코포레이티드 | 조절가능한 광원을 위한 장치 |
CN104763888B (zh) * | 2015-03-20 | 2016-09-21 | 江苏达伦电子股份有限公司 | 一种旋转式led灯结构 |
JP6564257B2 (ja) * | 2015-06-22 | 2019-08-21 | コイト電工株式会社 | 電源供給回路 |
JP6544322B2 (ja) * | 2016-09-05 | 2019-07-17 | 株式会社デンソー | 車両用灯具制御装置 |
JP6439813B2 (ja) | 2017-02-24 | 2018-12-19 | マツダ株式会社 | 車両用灯具 |
JP6451758B2 (ja) | 2017-02-24 | 2019-01-16 | マツダ株式会社 | 車両用灯具 |
JP6899710B2 (ja) * | 2017-06-22 | 2021-07-07 | 株式会社小糸製作所 | 車両用灯具 |
JP7069522B2 (ja) * | 2018-03-08 | 2022-05-18 | 東芝ライテック株式会社 | 車両用照明装置および車両用灯具 |
JP7335721B2 (ja) * | 2019-04-18 | 2023-08-30 | 株式会社小糸製作所 | 車両用灯具 |
US11396986B2 (en) | 2019-05-23 | 2022-07-26 | Valeo North America, Inc. | Apparatus and method for masking residual visible light from an infrared emission source |
DE102019114516A1 (de) * | 2019-05-29 | 2020-12-03 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung, Verfahren zum Betreiben einer Kraftfahrzeugbeleuchtungseinrichtung und Steuereinheit |
Family Cites Families (14)
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JPH06214539A (ja) * | 1993-01-13 | 1994-08-05 | Toyota Autom Loom Works Ltd | 表示装置における異常診断装置 |
CN1188207A (zh) * | 1996-09-03 | 1998-07-22 | 光州电子株式会社 | 防止照明设备过热的装置及其方法 |
KR100217772B1 (ko) * | 1996-09-03 | 1999-09-01 | 최진호 | 조명기기의 램프 과열방지 장치 및 방법 |
JP4037289B2 (ja) * | 2003-03-06 | 2008-01-23 | 株式会社小糸製作所 | 車両用前照灯 |
KR100559381B1 (ko) * | 2003-05-29 | 2006-03-10 | 현대자동차주식회사 | 차량용 하이빔/적외선 일체형 램프 |
JP2005044698A (ja) * | 2003-07-24 | 2005-02-17 | Koito Mfg Co Ltd | 車両用灯具及び光源モジュール |
JP4326999B2 (ja) * | 2003-08-12 | 2009-09-09 | 株式会社日立製作所 | 画像処理システム |
US7019463B2 (en) * | 2003-10-21 | 2006-03-28 | Raymond Kesterson | Daytime running light module and system |
JP4714108B2 (ja) * | 2006-08-09 | 2011-06-29 | 株式会社小糸製作所 | 車両用赤外光照射ランプ |
JP4714107B2 (ja) * | 2006-08-09 | 2011-06-29 | 株式会社小糸製作所 | 車両用赤外光照射ランプ |
JP4730791B2 (ja) * | 2007-04-18 | 2011-07-20 | 株式会社小糸製作所 | 車両用前照灯装置 |
DE102007026780B4 (de) * | 2007-06-09 | 2011-07-07 | Automotive Lighting Reutlingen GmbH, 72762 | Strahlungsquelle für ein aktives Infrarotnachtsichtgerät |
JP4992111B2 (ja) * | 2007-09-20 | 2012-08-08 | 株式会社小糸製作所 | 車両用灯具 |
JP4970232B2 (ja) * | 2007-12-12 | 2012-07-04 | 株式会社小糸製作所 | 車両用灯具 |
-
2009
- 2009-04-23 JP JP2009105546A patent/JP5457710B2/ja not_active Expired - Fee Related
-
2010
- 2010-04-08 EP EP10159310.1A patent/EP2244004B1/en active Active
- 2010-04-14 US US12/759,957 patent/US8482204B2/en active Active
- 2010-04-22 CN CN201010154035A patent/CN101873751A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021241848A1 (ko) * | 2020-05-25 | 2021-12-02 | 삼성전자주식회사 | 디스플레이 장치 및 디스플레이 시스템 |
Also Published As
Publication number | Publication date |
---|---|
JP2010254099A (ja) | 2010-11-11 |
US8482204B2 (en) | 2013-07-09 |
EP2244004A3 (en) | 2018-04-11 |
US20100270927A1 (en) | 2010-10-28 |
CN101873751A (zh) | 2010-10-27 |
EP2244004B1 (en) | 2020-05-06 |
EP2244004A2 (en) | 2010-10-27 |
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