EP2408265A3 - Vehicle headlamp system - Google Patents

Vehicle headlamp system Download PDF

Info

Publication number
EP2408265A3
EP2408265A3 EP10186662.2A EP10186662A EP2408265A3 EP 2408265 A3 EP2408265 A3 EP 2408265A3 EP 10186662 A EP10186662 A EP 10186662A EP 2408265 A3 EP2408265 A3 EP 2408265A3
Authority
EP
European Patent Office
Prior art keywords
color temperature
lamp device
vehicle headlamp
headlamp system
light emitting
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.)
Withdrawn
Application number
EP10186662.2A
Other languages
German (de)
French (fr)
Other versions
EP2408265A2 (en
Inventor
Ping-Yu Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxsemicon Integrated Technology Inc
Original Assignee
Foxsemicon Integrated Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foxsemicon Integrated Technology Inc filed Critical Foxsemicon Integrated Technology Inc
Publication of EP2408265A2 publication Critical patent/EP2408265A2/en
Publication of EP2408265A3 publication Critical patent/EP2408265A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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]
    • H05B45/20—Controlling the colour of the light

Landscapes

  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A vehicle headlamp system (100) includes a lamp device (12; 22) and a control device (14) to control the brightness thereof while in operation. The lamp device includes at least a first light emitting diode unit (126; 226; 326) providing a first color temperature, and at least a second light emitting diode unit (128; 228; 328) providing a second color temperature different from the first color temperature. The control device is coupled to the lamp device for changing the brightness ratio of the second LED unit to the first LED unit and controlling the resulting color temperature of the lamp device.
EP10186662.2A 2010-07-13 2010-10-06 Vehicle headlamp system Withdrawn EP2408265A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW099122915A TW201202076A (en) 2010-07-13 2010-07-13 Vehicle headlamp system

Publications (2)

Publication Number Publication Date
EP2408265A2 EP2408265A2 (en) 2012-01-18
EP2408265A3 true EP2408265A3 (en) 2013-04-24

Family

ID=44855740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10186662.2A Withdrawn EP2408265A3 (en) 2010-07-13 2010-10-06 Vehicle headlamp system

Country Status (2)

Country Link
EP (1) EP2408265A3 (en)
TW (1) TW201202076A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011118332A1 (en) 2011-11-11 2013-05-16 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Lighting device of a vehicle
CN102620169B (en) * 2012-03-15 2014-04-16 南通大学 Method for implementing selective distribution of color temperatures in illumination area
CN103712110B (en) * 2012-03-15 2015-06-17 南通大学 Method for selectively distributing color temperature in illuminated area of LED lamp
TWI496705B (en) * 2012-12-26 2015-08-21 Univ Nat Formosa Vehicle with intelligent headlight control system
CN103062665A (en) * 2013-01-18 2013-04-24 北京飞亚视科技发展有限公司 LED module and LED lamp
US8749143B1 (en) * 2013-03-15 2014-06-10 Lux Design, LLC Automotive lighting device and controller
ITGE20130082A1 (en) * 2013-08-21 2015-02-22 Giovanni Andreini LIGHT SIGNALING SYSTEM FOR VEHICLES
CN105202444A (en) 2014-06-26 2015-12-30 中强光电股份有限公司 Lighting device for vehicle
JP6774755B2 (en) * 2015-11-20 2020-10-28 株式会社小糸製作所 Vehicle lighting and vehicle lighting systems
CN106314259A (en) * 2016-09-13 2017-01-11 华南理工大学 Intelligent turn-on system of automobile LED light
CN108980682B (en) * 2017-05-31 2022-06-28 松下知识产权经营株式会社 Lighting apparatus
KR102613239B1 (en) * 2018-06-04 2023-12-14 삼성전자주식회사 White light emitting diode module and lighting apparatus
WO2020120247A1 (en) * 2018-12-13 2020-06-18 Lumileds Holding B.V. Dual cct automotive headlight
CN114194103B (en) * 2021-12-30 2024-04-30 上海洛轲智能科技有限公司 Car lamp control method and device, electronic equipment, storage medium and vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080030153A1 (en) * 2006-08-07 2008-02-07 Rohm Co., Ltd. Lighting device
DE102008015712A1 (en) * 2007-03-26 2008-10-02 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Light source with several white LEDs with different output spectra
WO2008128413A1 (en) * 2007-04-24 2008-10-30 He Shan Lide Electronic Enterprise Company Ltd. A color temperature adjustable led lamp
US20100007292A1 (en) * 2008-07-08 2010-01-14 Samsung Electro-Mechanics Co., Ltd. Illumination apparatus for adjusting color temperature and brightness and illumination system including the same
WO2010052640A1 (en) * 2008-11-06 2010-05-14 Koninklijke Philips Electronics N.V. Illumination device
US20100148703A1 (en) * 2007-03-08 2010-06-17 Rohm Co., Ltd. Led lighting device and driving method for the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080030153A1 (en) * 2006-08-07 2008-02-07 Rohm Co., Ltd. Lighting device
US20100148703A1 (en) * 2007-03-08 2010-06-17 Rohm Co., Ltd. Led lighting device and driving method for the same
DE102008015712A1 (en) * 2007-03-26 2008-10-02 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Light source with several white LEDs with different output spectra
WO2008128413A1 (en) * 2007-04-24 2008-10-30 He Shan Lide Electronic Enterprise Company Ltd. A color temperature adjustable led lamp
US20100007292A1 (en) * 2008-07-08 2010-01-14 Samsung Electro-Mechanics Co., Ltd. Illumination apparatus for adjusting color temperature and brightness and illumination system including the same
WO2010052640A1 (en) * 2008-11-06 2010-05-14 Koninklijke Philips Electronics N.V. Illumination device

Also Published As

Publication number Publication date
EP2408265A2 (en) 2012-01-18
TW201202076A (en) 2012-01-16

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