DE69517878D1 - Steuergerät für Entladungslampen - Google Patents
Steuergerät für EntladungslampenInfo
- Publication number
- DE69517878D1 DE69517878D1 DE69517878T DE69517878T DE69517878D1 DE 69517878 D1 DE69517878 D1 DE 69517878D1 DE 69517878 T DE69517878 T DE 69517878T DE 69517878 T DE69517878 T DE 69517878T DE 69517878 D1 DE69517878 D1 DE 69517878D1
- Authority
- DE
- Germany
- Prior art keywords
- control unit
- lamp control
- discharge lamp
- discharge
- unit
- 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.)
- Expired - Fee Related
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
-
- 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
-
- 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
- H05B41/2821—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 single-switch converter or a parallel push-pull converter in the final stage
- H05B41/2824—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 single-switch converter or a parallel push-pull converter in the final stage using control circuits for the switching element
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6182064A JP2891449B2 (ja) | 1994-08-03 | 1994-08-03 | 放電灯点灯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69517878D1 true DE69517878D1 (de) | 2000-08-17 |
DE69517878T2 DE69517878T2 (de) | 2001-01-18 |
Family
ID=16111720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69517878T Expired - Fee Related DE69517878T2 (de) | 1994-08-03 | 1995-08-02 | Steuergerät für Entladungslampen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5621281A (de) |
EP (1) | EP0696158B1 (de) |
JP (1) | JP2891449B2 (de) |
KR (1) | KR100211410B1 (de) |
CN (1) | CN1052372C (de) |
DE (1) | DE69517878T2 (de) |
TW (1) | TW313743B (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2981993B2 (ja) * | 1997-04-15 | 1999-11-22 | ローム株式会社 | 液晶バックライト照明装置および液晶表示装置 |
US6300725B1 (en) * | 1997-06-16 | 2001-10-09 | Lightech Electronics Industries Ltd. | Power supply for hybrid illumination system |
JP3304894B2 (ja) * | 1998-09-28 | 2002-07-22 | ウシオ電機株式会社 | フィラメントランプ点灯装置 |
US6424098B1 (en) * | 1999-04-29 | 2002-07-23 | Transfotec International Ltee | Illumination system with several gas discharge tubes |
US6320329B1 (en) * | 1999-07-30 | 2001-11-20 | Philips Electronics North America Corporation | Modular high frequency ballast architecture |
US6420839B1 (en) * | 2001-01-19 | 2002-07-16 | Ambit Microsystems Corp. | Power supply system for multiple loads and driving system for multiple lamps |
KR100900463B1 (ko) * | 2002-12-06 | 2009-06-02 | 삼성전자주식회사 | 전원공급장치 및 이를 이용한 액정표시장치 |
KR20040077211A (ko) * | 2003-02-28 | 2004-09-04 | 삼성전자주식회사 | 표시 장치용 광원의 구동 장치 |
US7187139B2 (en) | 2003-09-09 | 2007-03-06 | Microsemi Corporation | Split phase inverters for CCFL backlight system |
ATE458382T1 (de) * | 2003-10-06 | 2010-03-15 | Microsemi Corp | Stromteilungsschema und einrichtung für mehrfach- ccf-lampenbetrieb |
US7250726B2 (en) | 2003-10-21 | 2007-07-31 | Microsemi Corporation | Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps |
WO2005059964A2 (en) * | 2003-12-16 | 2005-06-30 | Microsemi Corporation | Current-mode driver |
JP2005197177A (ja) * | 2004-01-09 | 2005-07-21 | Fujitsu Ltd | 駆動装置及び方法 |
US7468722B2 (en) | 2004-02-09 | 2008-12-23 | Microsemi Corporation | Method and apparatus to control display brightness with ambient light correction |
US7112929B2 (en) | 2004-04-01 | 2006-09-26 | Microsemi Corporation | Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system |
US7250731B2 (en) | 2004-04-07 | 2007-07-31 | Microsemi Corporation | Primary side current balancing scheme for multiple CCF lamp operation |
US7141941B2 (en) * | 2004-04-28 | 2006-11-28 | Intersil Americas Inc. | Staggering switching signals for multiple cold cathode fluorescent lamp backlighting system to reduce electromagnetic interference |
US7755595B2 (en) | 2004-06-07 | 2010-07-13 | Microsemi Corporation | Dual-slope brightness control for transflective displays |
CN1981563A (zh) * | 2004-07-02 | 2007-06-13 | 皇家飞利浦电子股份有限公司 | 用于驱动显示装置的背光发射器的方法和电路 |
JP4476730B2 (ja) * | 2004-07-28 | 2010-06-09 | 三菱電機株式会社 | 放電灯点灯装置 |
WO2006019931A2 (en) * | 2004-07-30 | 2006-02-23 | Microsemi Corporation | Incremental distributed driver |
US7397199B2 (en) * | 2004-10-27 | 2008-07-08 | Harison Toshiba Lighting Corp. | Discharge lamp lighting device |
JP2006134663A (ja) | 2004-11-04 | 2006-05-25 | Funai Electric Co Ltd | 冷陰極管駆動回路 |
KR100646427B1 (ko) * | 2005-03-04 | 2006-11-23 | 삼성전자주식회사 | 병렬 구동이 가능한 램프 결합 구조 |
US7173382B2 (en) * | 2005-03-31 | 2007-02-06 | Microsemi Corporation | Nested balancing topology for balancing current among multiple lamps |
US7061183B1 (en) | 2005-03-31 | 2006-06-13 | Microsemi Corporation | Zigzag topology for balancing current among paralleled gas discharge lamps |
JP2006302628A (ja) * | 2005-04-20 | 2006-11-02 | Sumida Corporation | 負荷異常保護回路および放電灯駆動装置 |
JP4258500B2 (ja) * | 2005-07-28 | 2009-04-30 | サンケン電気株式会社 | 放電灯点灯装置 |
EP1845755A3 (de) * | 2006-04-10 | 2014-04-02 | EMD Technologies, Inc. | Beleuchtungssysteme |
US7569998B2 (en) | 2006-07-06 | 2009-08-04 | Microsemi Corporation | Striking and open lamp regulation for CCFL controller |
TWI382384B (zh) * | 2006-10-25 | 2013-01-11 | Gigno Technology Co Ltd | 換流器及背光模組的驅動裝置 |
TW200948201A (en) | 2008-02-05 | 2009-11-16 | Microsemi Corp | Arrangement suitable for driving floating CCFL based backlight |
US8093839B2 (en) * | 2008-11-20 | 2012-01-10 | Microsemi Corporation | Method and apparatus for driving CCFL at low burst duty cycle rates |
EP2385747A3 (de) | 2010-05-08 | 2012-05-16 | EMD Technologies, Inc. | LED-Beleuchtungssysteme |
WO2012012195A2 (en) | 2010-07-19 | 2012-01-26 | Microsemi Corporation | Led string driver arrangement with non-dissipative current balancer |
US8754581B2 (en) | 2011-05-03 | 2014-06-17 | Microsemi Corporation | High efficiency LED driving method for odd number of LED strings |
CN103477712B (zh) | 2011-05-03 | 2015-04-08 | 美高森美公司 | 高效led驱动方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4700113A (en) * | 1981-12-28 | 1987-10-13 | North American Philips Corporation | Variable high frequency ballast circuit |
US4777409A (en) * | 1984-03-23 | 1988-10-11 | Tracy Stanley J | Fluorescent lamp energizing circuit |
US4775821A (en) * | 1985-11-04 | 1988-10-04 | Tomar Electronics, Inc. | Variable input voltage DC to DC converter with switching transistor drive current regulator |
JPS63143796A (ja) * | 1986-12-05 | 1988-06-16 | 株式会社日立製作所 | 放電灯点灯装置 |
FR2640107A2 (fr) * | 1987-12-04 | 1990-06-08 | Finzel Jean Luc | Perfectionnement a un ensemble de detection et de signalisation de defauts de fonctionnement d'unites eclairantes dans un reseau d'eclairage |
JP2656520B2 (ja) * | 1987-12-25 | 1997-09-24 | 株式会社日立製作所 | 放電灯点灯装置 |
JPH0355794A (ja) * | 1989-07-24 | 1991-03-11 | Hitachi Ltd | 放電灯点灯装置 |
ATE102430T1 (de) * | 1989-10-09 | 1994-03-15 | Siemens Ag | Elektronisches vorschaltgeraet. |
JP2502224B2 (ja) * | 1991-09-19 | 1996-05-29 | 株式会社日立製作所 | 空気作動弁 |
US5384516A (en) * | 1991-11-06 | 1995-01-24 | Hitachi, Ltd. | Information processing apparatus including a control circuit for controlling a liquid crystal display illumination based on whether illuminatio power is being supplied from an AC power source or from a battery |
JP2570869Y2 (ja) | 1992-03-30 | 1998-05-13 | 太陽誘電株式会社 | ランプ点灯装置 |
US5287040A (en) * | 1992-07-06 | 1994-02-15 | Lestician Ballast, Inc. | Variable control, current sensing ballast |
FR2697965B1 (fr) * | 1992-11-06 | 1994-12-09 | Valeo Vision | Circuit d'alimentation et de commutation pour un projecteur pour véhicule mettant en Óoeuvre alternativement deux lampes à décharge. |
-
1994
- 1994-08-03 JP JP6182064A patent/JP2891449B2/ja not_active Expired - Fee Related
-
1995
- 1995-02-15 TW TW084101359A patent/TW313743B/zh active
- 1995-06-05 US US08/461,817 patent/US5621281A/en not_active Expired - Fee Related
- 1995-06-19 CN CN95107372A patent/CN1052372C/zh not_active Expired - Fee Related
- 1995-08-02 DE DE69517878T patent/DE69517878T2/de not_active Expired - Fee Related
- 1995-08-02 EP EP95305409A patent/EP0696158B1/de not_active Expired - Lifetime
- 1995-08-02 KR KR1019950023787A patent/KR100211410B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0845675A (ja) | 1996-02-16 |
CN1052372C (zh) | 2000-05-10 |
KR960009803A (ko) | 1996-03-22 |
JP2891449B2 (ja) | 1999-05-17 |
CN1117256A (zh) | 1996-02-21 |
DE69517878T2 (de) | 2001-01-18 |
EP0696158A1 (de) | 1996-02-07 |
KR100211410B1 (ko) | 1999-08-02 |
US5621281A (en) | 1997-04-15 |
EP0696158B1 (de) | 2000-07-12 |
TW313743B (de) | 1997-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |