EP1868420A3 - Light driving device - Google Patents

Light driving device Download PDF

Info

Publication number
EP1868420A3
EP1868420A3 EP07110099A EP07110099A EP1868420A3 EP 1868420 A3 EP1868420 A3 EP 1868420A3 EP 07110099 A EP07110099 A EP 07110099A EP 07110099 A EP07110099 A EP 07110099A EP 1868420 A3 EP1868420 A3 EP 1868420A3
Authority
EP
European Patent Office
Prior art keywords
light driving
driving device
signal
demultiplexer
driving circuit
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.)
Granted
Application number
EP07110099A
Other languages
German (de)
French (fr)
Other versions
EP1868420A2 (en
EP1868420B1 (en
Inventor
Jung-Yuan Tsai
Kuo-Feng Chen
Ching-Hao Tseng
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.)
HTC Corp
Original Assignee
High Tech Computer Corp
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 High Tech Computer Corp filed Critical High Tech Computer Corp
Publication of EP1868420A2 publication Critical patent/EP1868420A2/en
Publication of EP1868420A3 publication Critical patent/EP1868420A3/en
Application granted granted Critical
Publication of EP1868420B1 publication Critical patent/EP1868420B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/10—Controlling the intensity of the light

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Led Devices (AREA)
  • Semiconductor Lasers (AREA)

Abstract

A light driving device comprises a signal generator, a demultiplexer and a light driving circuit. The signal generator generates a signal. The demultiplexer converts the signal to at least a control signal. The light driving circuit is controlled by the control signal.
EP07110099.4A 2006-06-13 2007-06-12 Light driving device Active EP1868420B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200610092688.6A CN101090595B (en) 2006-06-13 2006-06-13 Lamp drive device

Publications (3)

Publication Number Publication Date
EP1868420A2 EP1868420A2 (en) 2007-12-19
EP1868420A3 true EP1868420A3 (en) 2008-12-03
EP1868420B1 EP1868420B1 (en) 2014-11-26

Family

ID=38481940

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07110099.4A Active EP1868420B1 (en) 2006-06-13 2007-06-12 Light driving device

Country Status (2)

Country Link
EP (1) EP1868420B1 (en)
CN (1) CN101090595B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375451A (en) * 2018-09-25 2019-02-22 东莞锐视光电科技有限公司 Light source controller Time delay control method and system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1246511A1 (en) * 2001-03-28 2002-10-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Driver circuit for a LED-array
US20020191416A1 (en) * 1999-05-24 2002-12-19 Bruce Wesson LED light module for vehicles
US20040150355A1 (en) * 2003-01-31 2004-08-05 Anden Co., Ltd/Denso Corporation Light emitting diode control device
US20050218838A1 (en) * 2004-03-15 2005-10-06 Color Kinetics Incorporated LED-based lighting network power control methods and apparatus
EP1656001A1 (en) * 2004-11-03 2006-05-10 High Tech Computer Corp. Flashing lights control apparatus and method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850995B1 (en) 1999-01-25 2005-02-01 Canon Kabushiki Kaisha Control unit selectively connected with a first bus and a second bus for controlling a displaying process in parallel with a scanning process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020191416A1 (en) * 1999-05-24 2002-12-19 Bruce Wesson LED light module for vehicles
EP1246511A1 (en) * 2001-03-28 2002-10-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Driver circuit for a LED-array
US20040150355A1 (en) * 2003-01-31 2004-08-05 Anden Co., Ltd/Denso Corporation Light emitting diode control device
US20050218838A1 (en) * 2004-03-15 2005-10-06 Color Kinetics Incorporated LED-based lighting network power control methods and apparatus
EP1656001A1 (en) * 2004-11-03 2006-05-10 High Tech Computer Corp. Flashing lights control apparatus and method thereof

Also Published As

Publication number Publication date
EP1868420A2 (en) 2007-12-19
EP1868420B1 (en) 2014-11-26
CN101090595A (en) 2007-12-19
CN101090595B (en) 2014-09-10

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