ATE388609T1 - Vorschaltgerät zum betrieb mehrerer entladungslampen - Google Patents

Vorschaltgerät zum betrieb mehrerer entladungslampen

Info

Publication number
ATE388609T1
ATE388609T1 AT03014012T AT03014012T ATE388609T1 AT E388609 T1 ATE388609 T1 AT E388609T1 AT 03014012 T AT03014012 T AT 03014012T AT 03014012 T AT03014012 T AT 03014012T AT E388609 T1 ATE388609 T1 AT E388609T1
Authority
AT
Austria
Prior art keywords
core
frame
discharge lamps
lights
ballast
Prior art date
Application number
AT03014012T
Other languages
English (en)
Inventor
Shinichi Suzuki
Yoshihito Suzuki
Original Assignee
Minebea Co Ltd
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 Minebea Co Ltd filed Critical Minebea Co Ltd
Application granted granted Critical
Publication of ATE388609T1 publication Critical patent/ATE388609T1/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
    • H05B41/2821—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
    • H05B41/2822—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 specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • 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
    • H05B41/2827—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 specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
AT03014012T 2002-09-06 2003-06-21 Vorschaltgerät zum betrieb mehrerer entladungslampen ATE388609T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002261246A JP3951176B2 (ja) 2002-09-06 2002-09-06 放電灯点灯装置

Publications (1)

Publication Number Publication Date
ATE388609T1 true ATE388609T1 (de) 2008-03-15

Family

ID=31712336

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03014012T ATE388609T1 (de) 2002-09-06 2003-06-21 Vorschaltgerät zum betrieb mehrerer entladungslampen

Country Status (5)

Country Link
US (1) US6784627B2 (de)
EP (1) EP1397028B1 (de)
JP (1) JP3951176B2 (de)
AT (1) ATE388609T1 (de)
DE (1) DE60319479T2 (de)

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US6979959B2 (en) 2002-12-13 2005-12-27 Microsemi Corporation Apparatus and method for striking a fluorescent lamp
US7151345B2 (en) * 2003-02-06 2006-12-19 Ceyx Technologies, Inc. Method and apparatus for controlling visual enhancement of luminent devices
JP2004335443A (ja) 2003-02-10 2004-11-25 Masakazu Ushijima 多灯点灯の放電管用インバータ回路及び面光源システム
US7589478B2 (en) 2003-02-10 2009-09-15 Masakazu Ushijima Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
US7187139B2 (en) 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system
US7183727B2 (en) 2003-09-23 2007-02-27 Microsemi Corporation Optical and temperature feedbacks to control display brightness
ES2340169T3 (es) 2003-10-06 2010-05-31 Microsemi Corporation Esquema de distribucion de corrientes y dispositivo para operar multiples lamparas ccf.
US7279851B2 (en) 2003-10-21 2007-10-09 Microsemi Corporation Systems and methods for fault protection in a balancing transformer
CN1947471B (zh) * 2003-11-06 2010-09-08 塔西软件开发有限及两合公司 发光装置组中供电效率的优化方法和装置
US7187140B2 (en) * 2003-12-16 2007-03-06 Microsemi Corporation Lamp current control using profile synthesizer
US7468722B2 (en) 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
JP4276104B2 (ja) * 2004-02-20 2009-06-10 ミネベア株式会社 放電灯点灯装置
JP4101228B2 (ja) 2004-03-19 2008-06-18 昌和 牛嶋 面光源用放電管並列点灯システム
TWI239538B (en) * 2004-03-25 2005-09-11 Darfon Electronics Corp Transformer and lamp driving system using the same
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
US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
JP4214276B2 (ja) * 2004-07-09 2009-01-28 ミネベア株式会社 放電灯点灯装置
JP2006032158A (ja) 2004-07-16 2006-02-02 Minebea Co Ltd 放電灯点灯装置
JP2006049028A (ja) 2004-08-03 2006-02-16 Minebea Co Ltd 放電灯点灯装置
JP4219340B2 (ja) * 2004-09-01 2009-02-04 昌和 牛嶋 放電管用の並列点灯用モジュール及びバランサコイル
US7190128B2 (en) * 2004-10-08 2007-03-13 Chien-Chih Chen Multi-phase multi-lamp driving system
JP4560680B2 (ja) * 2004-11-12 2010-10-13 ミネベア株式会社 バックライトインバータ及びその駆動方法
JP4553762B2 (ja) * 2005-03-18 2010-09-29 シャープ株式会社 バックライトユニット及びバックライトユニットを用いた液晶表示装置
US7173382B2 (en) 2005-03-31 2007-02-06 Microsemi Corporation Nested balancing topology for balancing current among multiple lamps
JP4741871B2 (ja) * 2005-04-22 2011-08-10 スミダコーポレーション株式会社 インバータトランス
TWI326564B (en) * 2005-05-03 2010-06-21 Darfon Electronics Corp Power supply circuit for lamp and transformer therefor
US7196483B2 (en) * 2005-06-16 2007-03-27 Au Optronics Corporation Balanced circuit for multi-LED driver
JP2007005005A (ja) * 2005-06-21 2007-01-11 Sharp Corp インバータ回路、バックライトユニット、及び液晶表示装置
JP2007027191A (ja) * 2005-07-12 2007-02-01 Minebea Co Ltd トランス
US7414371B1 (en) 2005-11-21 2008-08-19 Microsemi Corporation Voltage regulation loop with variable gain control for inverter circuit
US20070139152A1 (en) * 2005-12-21 2007-06-21 Chun-Kong Chan Balanced transformer having an auxiliary coil
TWI293854B (en) * 2005-12-30 2008-02-21 Hon Hai Prec Ind Co Ltd Discharge lamp driving device
TWI298505B (en) * 2006-01-11 2008-07-01 Delta Electronics Inc Transformer having auxiliary winding coil for sensing magnetic flux balance and driving circuit using the same
WO2007099683A1 (ja) * 2006-02-28 2007-09-07 Murata Manufacturing Co., Ltd. 放電管点灯回路および電子装置
JP2007317502A (ja) * 2006-05-25 2007-12-06 Sanken Electric Co Ltd 放電灯点灯装置
US7569998B2 (en) 2006-07-06 2009-08-04 Microsemi Corporation Striking and open lamp regulation for CCFL controller
DE102006031548A1 (de) * 2006-07-07 2008-01-17 Epcos Ag Sendeempfangsschaltung
DE102006062205B4 (de) * 2006-08-25 2012-07-19 Minebea Co., Ltd. Hochspannungstransformator
US20080265790A1 (en) * 2007-04-27 2008-10-30 Cheng-Chia Hsu Coupled lamp driving device
US7876058B2 (en) * 2007-06-22 2011-01-25 Dell Products L.P. Systems and methods for backlighting image displays
JP2009146699A (ja) * 2007-12-13 2009-07-02 Minebea Co Ltd バックライトインバータ及びその駆動方法
TW200939886A (en) 2008-02-05 2009-09-16 Microsemi Corp Balancing arrangement with reduced amount of balancing transformers
US8093839B2 (en) * 2008-11-20 2012-01-10 Microsemi Corporation Method and apparatus for driving CCFL at low burst duty cycle rates
US9030119B2 (en) 2010-07-19 2015-05-12 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
WO2012151170A1 (en) 2011-05-03 2012-11-08 Microsemi Corporation High efficiency led driving method
US9554444B2 (en) 2012-12-17 2017-01-24 OV20 Systems Device and method for retrofitting or converting or adapting series circuits
JP2020053624A (ja) * 2018-09-28 2020-04-02 株式会社オートネットワーク技術研究所 コイル装置及び電気接続箱

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Publication number Priority date Publication date Assignee Title
US3287601A (en) * 1963-12-18 1966-11-22 Sylvania Electric Prod Two-lamp mercury ballast
US4016477A (en) * 1975-04-29 1977-04-05 Isodyne Inc. Novel multi-path leakage transformer and inverter ballast
US4547705A (en) * 1982-03-20 1985-10-15 Tdk Corporation Discharge lamp lightening device
US4912372A (en) * 1988-11-28 1990-03-27 Multi Electric Mfg. Co. Power circuit for series connected loads
US5466992A (en) * 1992-08-19 1995-11-14 Bruce Industries, Inc. Inverter ballast circuit featuring current regulation over wide lamp load range
EP0587923A1 (de) 1992-09-14 1994-03-23 U.R.D. Co. Ltd. Hochfrequentes Konstantstromversorgungssystem
JPH11260580A (ja) 1998-03-10 1999-09-24 Sony Corp 放電灯点灯装置
JP2002175891A (ja) * 2000-12-08 2002-06-21 Advanced Display Inc 多灯式バックライト用インバータ

Also Published As

Publication number Publication date
DE60319479T2 (de) 2009-03-12
US6784627B2 (en) 2004-08-31
JP3951176B2 (ja) 2007-08-01
EP1397028B1 (de) 2008-03-05
DE60319479D1 (de) 2008-04-17
US20040046512A1 (en) 2004-03-11
EP1397028A1 (de) 2004-03-10
JP2004103316A (ja) 2004-04-02

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties