TWI347147B - Driving apparatus for ccfl - Google Patents

Driving apparatus for ccfl

Info

Publication number
TWI347147B
TWI347147B TW095120537A TW95120537A TWI347147B TW I347147 B TWI347147 B TW I347147B TW 095120537 A TW095120537 A TW 095120537A TW 95120537 A TW95120537 A TW 95120537A TW I347147 B TWI347147 B TW I347147B
Authority
TW
Taiwan
Prior art keywords
ccfl
driving apparatus
driving
Prior art date
Application number
TW095120537A
Other languages
English (en)
Other versions
TW200643871A (en
Inventor
Jung Chul Gong
Sang Cheol Shin
Byoung Own Min
Chang Woo Ha
Original Assignee
Samsung Electro Mech
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 Samsung Electro Mech filed Critical Samsung Electro Mech
Publication of TW200643871A publication Critical patent/TW200643871A/zh
Application granted granted Critical
Publication of TWI347147B publication Critical patent/TWI347147B/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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
    • H05B41/2828—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using control circuits for the switching elements
    • 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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • 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
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/05—Starting and operating circuit for fluorescent lamp
TW095120537A 2005-06-13 2006-06-09 Driving apparatus for ccfl TWI347147B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050050503A KR100631986B1 (ko) 2005-06-13 2005-06-13 냉음극 형광 램프의 구동 장치

Publications (2)

Publication Number Publication Date
TW200643871A TW200643871A (en) 2006-12-16
TWI347147B true TWI347147B (en) 2011-08-11

Family

ID=37520113

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095120537A TWI347147B (en) 2005-06-13 2006-06-09 Driving apparatus for ccfl

Country Status (5)

Country Link
US (1) US7285922B2 (zh)
JP (1) JP2007227332A (zh)
KR (1) KR100631986B1 (zh)
CN (1) CN1882211B (zh)
TW (1) TWI347147B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100631987B1 (ko) * 2005-06-20 2006-10-09 삼성전기주식회사 냉음극 형광 램프의 구동 장치
WO2008109713A2 (en) * 2007-03-05 2008-09-12 Jorge Sanchez Method and firmware for controlling an inverter voltage by drive signal frequency
TWI369659B (en) * 2007-04-26 2012-08-01 Himax Tech Ltd Backlight module and current providing circuit thereof
CN101547545A (zh) * 2008-03-28 2009-09-30 马士科技有限公司 荧光灯控制电路
TWI403218B (zh) * 2008-05-06 2013-07-21 Univ Nat Taiwan Science Tech 背光模組及冷陰極螢光燈管的調光電路
KR101069960B1 (ko) * 2009-12-14 2011-10-04 삼성전기주식회사 백라이트 유니트의 초기 구동 회로

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2975032B2 (ja) * 1989-11-27 1999-11-10 松下電工株式会社 放電灯点灯装置
JPH06243976A (ja) * 1993-02-15 1994-09-02 Matsushita Electric Works Ltd 高圧放電灯点灯装置
US6114814A (en) * 1998-12-11 2000-09-05 Monolithic Power Systems, Inc. Apparatus for controlling a discharge lamp in a backlighted display
JP3603643B2 (ja) * 1999-02-15 2004-12-22 松下電工株式会社 放電灯点灯装置
JP3755371B2 (ja) * 1999-02-23 2006-03-15 松下電工株式会社 電源装置
US6259615B1 (en) * 1999-07-22 2001-07-10 O2 Micro International Limited High-efficiency adaptive DC/AC converter
CN1498052A (zh) * 2002-10-03 2004-05-19 模拟微电子学股份有限公司 驱动ccfl的方法和系统
JP3672034B2 (ja) * 2002-12-25 2005-07-13 ローム株式会社 直流−交流変換装置、及びそのコントローラｉｃ
JP4144417B2 (ja) * 2003-04-22 2008-09-03 松下電工株式会社 放電灯点灯装置及び照明器具
US6919694B2 (en) * 2003-10-02 2005-07-19 Monolithic Power Systems, Inc. Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship
KR100631987B1 (ko) * 2005-06-20 2006-10-09 삼성전기주식회사 냉음극 형광 램프의 구동 장치

Also Published As

Publication number Publication date
CN1882211A (zh) 2006-12-20
US7285922B2 (en) 2007-10-23
US20060279235A1 (en) 2006-12-14
TW200643871A (en) 2006-12-16
CN1882211B (zh) 2010-05-12
KR100631986B1 (ko) 2006-10-09
JP2007227332A (ja) 2007-09-06

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees