TW200746906A - Method and device for driving a lamp - Google Patents

Method and device for driving a lamp

Info

Publication number
TW200746906A
TW200746906A TW096111919A TW96111919A TW200746906A TW 200746906 A TW200746906 A TW 200746906A TW 096111919 A TW096111919 A TW 096111919A TW 96111919 A TW96111919 A TW 96111919A TW 200746906 A TW200746906 A TW 200746906A
Authority
TW
Taiwan
Prior art keywords
time
lamp
target
determining
signal
Prior art date
Application number
TW096111919A
Other languages
English (en)
Inventor
Peter Johannes Bremer
Rijck Alexander Christiaan De
Wilhelmus Ettes
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200746906A publication Critical patent/TW200746906A/zh

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
TW096111919A 2006-04-06 2007-04-03 Method and device for driving a lamp TW200746906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06112315 2006-04-06

Publications (1)

Publication Number Publication Date
TW200746906A true TW200746906A (en) 2007-12-16

Family

ID=38284028

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096111919A TW200746906A (en) 2006-04-06 2007-04-03 Method and device for driving a lamp

Country Status (6)

Country Link
US (1) US20090243506A1 (zh)
EP (1) EP2005805A1 (zh)
JP (1) JP2009532841A (zh)
CN (1) CN101416566A (zh)
TW (1) TW200746906A (zh)
WO (1) WO2007113745A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101897239A (zh) 2007-12-14 2010-11-24 皇家飞利浦电子股份有限公司 可调光发光设备
JP2010113915A (ja) * 2008-11-05 2010-05-20 Sanyo Electric Co Ltd ランプ運用装置および映像表示装置
KR101404584B1 (ko) * 2009-02-19 2014-06-11 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛 및 그 백라이트 유닛의 구동방법
JP6290390B2 (ja) * 2013-10-10 2018-03-07 ドルビー ラボラトリーズ ライセンシング コーポレイション 拡張ダイナミックレンジ・プロジェクタにおけるｄｃｉおよびその他のコンテンツの表示
EP3800987B1 (en) * 2018-05-31 2022-07-06 Signify Holding B.V. A horticultural lighting device for sustaining indoor plant growth as well as a corresponding horticultural lighting system and method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207498A (en) * 1978-12-05 1980-06-10 Lutron Electronics Co., Inc. System for energizing and dimming gas discharge lamps
US4346332A (en) * 1980-08-14 1982-08-24 General Electric Company Frequency shift inverter for variable power control
EP0098285B2 (en) * 1982-01-15 1993-11-03 Minitronics Pty. Ltd. Electronic high frequency controlled device for operating gas discharge lamps
US5939830A (en) * 1997-12-24 1999-08-17 Honeywell Inc. Method and apparatus for dimming a lamp in a backlight of a liquid crystal display
US6051940A (en) * 1998-04-30 2000-04-18 Magnetek, Inc. Safety control circuit for detecting the removal of lamps from a ballast and reducing the through-lamp leakage currents
JP2000241796A (ja) * 1998-12-24 2000-09-08 Sharp Corp 液晶表示装置及び液晶表示装置の制御信号を出力する電子機器
JP3966683B2 (ja) * 2000-10-26 2007-08-29 株式会社アドバンスト・ディスプレイ 液晶表示装置
US6670781B2 (en) * 2001-07-27 2003-12-30 Visteon Global Technologies, Inc. Cold cathode fluorescent lamp low dimming antiflicker control circuit
KR100767370B1 (ko) * 2001-08-24 2007-10-17 삼성전자주식회사 액정 표시 장치와 이의 구동 방법
US6788006B2 (en) * 2002-05-31 2004-09-07 Matsushita Electric Industrial Co., Ltd. Discharge lamp ballast with dimming
US7256763B2 (en) * 2003-06-10 2007-08-14 Hitachi Displays, Ltd. Liquid crystal display device and driving method thereof
US7835164B2 (en) * 2004-04-28 2010-11-16 Intersil Americas Inc. Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays

Also Published As

Publication number Publication date
US20090243506A1 (en) 2009-10-01
WO2007113745A1 (en) 2007-10-11
CN101416566A (zh) 2009-04-22
EP2005805A1 (en) 2008-12-24
JP2009532841A (ja) 2009-09-10

Similar Documents

Publication Publication Date Title
TW200746906A (en) Method and device for driving a lamp
US9811111B2 (en) Generating clock on demand
EP2259428A3 (en) Automatic control of clock duty cycle
TW200601705A (en) Digital delay locked loop capable of correcting duty cycle and its method
TW201130229A (en) Delay locked loop and method of driving delay locked loop
JP2007538468A5 (zh)
TW200743407A (en) Backlight system and method for controlling brightness thereof
WO2011075540A3 (en) Techniques for providing reduced duty cycle distortion
EP1571752A3 (en) Soft-switching half-bridge inverter power supply system
TW200737687A (en) Motor drive circuit and cooling system using the same
WO2008024680A3 (en) Circuits to delay a signal from ddr-sdram memory device including an automatic phase error correction
WO2007044059A8 (en) Electromagnetic treatment apparatus for augmenting wound repair and method for using same
WO2005109647A3 (en) Adjustable frequency delay-locked loop
TW200703873A (en) Motor control method and apparatus thereof
US8643292B2 (en) Digital dimming device and digital dimming method
EP1798962A3 (en) Endoscope signal processor, endoscope apparatus and endoscope signal processing method
TW200711316A (en) Clock generation circuit and clock generation method
JP2007259435A (ja) スプレッドスペクトラムクロッキングに使われる遅延された高周波クロック信号を発生させる方法、回路、及びシステム
WO2006052416A3 (en) Method and apparatus for a digital-to-phase converter
TW200737732A (en) Method and apparatus for generating output signal
US7777527B2 (en) Phase detection apparatus
TW200511739A (en) Apparatus and method for transmitter phase shift compensation
US20130033189A1 (en) Dimming control device, led driving device, and dimming control method
JP2023118965A (ja) Ｌｅｄ駆動制御回路、電子回路及びｌｅｄ駆動制御方法
US7737938B2 (en) Driving circuit for LCD backlight