ATE491176T1 - Schutz- und messeinrichtung für mehrfach- kaltkathoden-fluoreszenzlampen - Google Patents

Schutz- und messeinrichtung für mehrfach- kaltkathoden-fluoreszenzlampen

Info

Publication number
ATE491176T1
ATE491176T1 AT04777642T AT04777642T ATE491176T1 AT E491176 T1 ATE491176 T1 AT E491176T1 AT 04777642 T AT04777642 T AT 04777642T AT 04777642 T AT04777642 T AT 04777642T AT E491176 T1 ATE491176 T1 AT E491176T1
Authority
AT
Austria
Prior art keywords
multiple cold
protection
measuring device
cold cathode
measure
Prior art date
Application number
AT04777642T
Other languages
English (en)
Inventor
Chao-Cheng Lu
Original Assignee
Chao-Cheng Lu
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 Chao-Cheng Lu filed Critical Chao-Cheng Lu
Application granted granted Critical
Publication of ATE491176T1 publication Critical patent/ATE491176T1/de

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)
AT04777642T 2003-12-02 2004-07-07 Schutz- und messeinrichtung für mehrfach- kaltkathoden-fluoreszenzlampen ATE491176T1 (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
ATE491176T1 true ATE491176T1 (de) 2010-12-15

Family

ID=37052768

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04777642T ATE491176T1 (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
EP1719034A2 (de) 2006-11-08
WO2005006377A3 (en) 2005-10-13
WO2005006377A2 (en) 2005-01-20
EP1719034B1 (de) 2010-12-08
DE602004030486D1 (de) 2011-01-20
EP1719034A4 (de) 2007-08-15

Similar Documents

Publication Publication Date Title
ATE428953T1 (de) Fluoreszenzlampe mit externer elektrode, rücklichteinheit mit der fluoreszenzlampe mit externer elektrode, lcd-rücklichteinrichtung mit der rücklichteinheit und ansteuerbaustein dafür
WO2011155712A9 (ko) 전자식 안정기 타입의 엘이디 형광등
TW200710405A (en) System, circuit and method for open lamp detection in an eefl backlight system
WO2008136458A1 (ja) 照明装置及び該照明装置を用いた灯器具
US7285921B2 (en) Electric current balancing device
TW200728849A (en) Backlight power supply device of liquid crystal display panel
DE602007013006D1 (de) Spannungsgespeister wandler für leuchtstofflampen
US7319297B2 (en) Balanced current lamp module and multi-lamp circuit
KR100785151B1 (ko) 광원구동장치
ATE491176T1 (de) Schutz- und messeinrichtung für mehrfach- kaltkathoden-fluoreszenzlampen
TW200617842A (en) Discharge lamp drive device and liquid crystal display device
DK1095541T3 (da) Koblingsanordning til energibesparende drift af et lysstofrør
TW200503376A (en) Measurement and protection apparatus of cold cathode tube group
US20060097656A1 (en) Lamp current control device
TW200515057A (en) Backlight module
SG149750A1 (en) Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employ the same
ATE205043T1 (de) Versorgungsschaltung für entladungslampen mit symmetrischer resonanzschaltung
DE50200299D1 (de) Betriebsschaltung für Entladungslampe mit vorheizbaren Elektroden
TW200727317A (en) Multiple output piezoelectric transformer and inverter
US8531129B2 (en) Passive current balance driving apparatus
TW200835881A (en) LED lamp device capable of directly replacing fluorescence tube
TW200608114A (en) Lamp and driving device for backlight assembly having the same
FI990706A (fi) Loistelampun syöttökytkentä
TW200624951A (en) Flat fluorescent lamp, backlight assembly and liquid crystal display device having the same
TW200602738A (en) Back light module for use in a dual panel display

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties