DE602004030486D1 - Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen - Google Patents
Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampenInfo
- 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
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)
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)
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)
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 |
-
2004
- 2004-07-07 DE DE602004030486T patent/DE602004030486D1/de active Active
- 2004-07-07 EP EP04777642A patent/EP1719034B1/de not_active Not-in-force
- 2004-07-07 WO PCT/US2004/021657 patent/WO2005006377A2/en active Application Filing
- 2004-07-07 AT AT04777642T patent/ATE491176T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005006377A2 (en) | 2005-01-20 |
EP1719034B1 (de) | 2010-12-08 |
EP1719034A2 (de) | 2006-11-08 |
ATE491176T1 (de) | 2010-12-15 |
WO2005006377A3 (en) | 2005-10-13 |
EP1719034A4 (de) | 2007-08-15 |
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