DE602004030486D1 - Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen - Google Patents

Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen

Info

Publication number
DE602004030486D1
DE602004030486D1 DE602004030486T DE602004030486T DE602004030486D1 DE 602004030486 D1 DE602004030486 D1 DE 602004030486D1 DE 602004030486 T DE602004030486 T DE 602004030486T DE 602004030486 T DE602004030486 T DE 602004030486T DE 602004030486 D1 DE602004030486 D1 DE 602004030486D1
Authority
DE
Germany
Prior art keywords
protection
measuring device
measure
cathcode
ccfls
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.)
Active
Application number
DE602004030486T
Other languages
English (en)
Inventor
Chao-Cheng Lu
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US10/727,848 external-priority patent/US7227316B2/en
Application filed by Individual filed Critical Individual
Publication of DE602004030486D1 publication Critical patent/DE602004030486D1/de
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
    • 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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • 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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • 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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
DE602004030486T 2003-12-02 2004-07-07 Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen Active DE602004030486D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/727,848 US7227316B2 (en) 2003-07-07 2003-12-02 Protective and measure device for multiple cold cathode fluorescent lamps
PCT/US2004/021657 WO2005006377A2 (en) 2003-07-07 2004-07-07 A protective and measure device for multiple cold cathode flourescent lamps

Publications (1)

Publication Number Publication Date
DE602004030486D1 true DE602004030486D1 (de) 2011-01-20

Family

ID=37052768

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004030486T Active DE602004030486D1 (de) 2003-12-02 2004-07-07 Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen

Country Status (4)

Country Link
EP (1) EP1719034B1 (de)
AT (1) ATE491176T1 (de)
DE (1) DE602004030486D1 (de)
WO (1) WO2005006377A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7394203B2 (en) * 2005-12-15 2008-07-01 Monolithic Power Systems, Inc. Method and system for open lamp protection
US7902767B2 (en) 2006-12-29 2011-03-08 Westinghouse Digital, Llc AC inverter capable of driving multiple lamps for LCD panel backlight
CN103260287A (zh) * 2012-02-15 2013-08-21 欧司朗股份有限公司 负载驱动电路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6259615B1 (en) * 1999-07-22 2001-07-10 O2 Micro International Limited High-efficiency adaptive DC/AC converter
KR100576692B1 (ko) * 2000-07-06 2006-05-03 엘지전자 주식회사 액정표시장치의 백 라이트 램프 구동회로
US6310444B1 (en) * 2000-08-10 2001-10-30 Philips Electronics North America Corporation Multiple lamp LCD backlight driver with coupled magnetic components
US6531835B2 (en) * 2000-12-18 2003-03-11 Ambit Microsystems Corporation Back lighting source module for liquid crystal display
KR100857848B1 (ko) * 2002-05-17 2008-09-10 삼성전자주식회사 백라이트 어셈블리와 이의 구동 방법과 이를 갖는 액정 표시 장치
KR100892584B1 (ko) * 2002-08-26 2009-04-08 삼성전자주식회사 전원공급장치와 이를 갖는 백라이트 어셈블리 및 액정표시 장치

Also Published As

Publication number Publication date
EP1719034A4 (de) 2007-08-15
ATE491176T1 (de) 2010-12-15
EP1719034A2 (de) 2006-11-08
WO2005006377A2 (en) 2005-01-20
EP1719034B1 (de) 2010-12-08
WO2005006377A3 (en) 2005-10-13

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