WO2003041455A3 - Method and apparatus for lighting a discharge lamp - Google Patents

Method and apparatus for lighting a discharge lamp Download PDF

Info

Publication number
WO2003041455A3
WO2003041455A3 PCT/US2002/035157 US0235157W WO03041455A3 WO 2003041455 A3 WO2003041455 A3 WO 2003041455A3 US 0235157 W US0235157 W US 0235157W WO 03041455 A3 WO03041455 A3 WO 03041455A3
Authority
WO
WIPO (PCT)
Prior art keywords
discharge lamp
circuit
semiconductor switches
inverter
lamp
Prior art date
Application number
PCT/US2002/035157
Other languages
French (fr)
Other versions
WO2003041455A2 (en
Inventor
Veniamin A Pak
Original Assignee
Ampr Llc
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 Ampr Llc filed Critical Ampr Llc
Priority to MXPA04004146A priority Critical patent/MXPA04004146A/en
Publication of WO2003041455A2 publication Critical patent/WO2003041455A2/en
Publication of WO2003041455A3 publication Critical patent/WO2003041455A3/en

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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • H05B41/245—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency for a plurality of 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
    • H05B41/2825—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
    • 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
    • H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp 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
    • H05B41/36—Controlling
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

Abstract

A reliable and efficient circuit for lighting a discharge lamp is described. An inverter accepts a direct current supply voltage and outputs an alternating current lamp voltage to drive the discharge lamp at a relatively high frequency. In one embodiment, the inverter includes semiconductor switches in a full-bridge configuration, a transformer feedback circuit to control the semiconductor switches, and a series L-C resonant circuit. In one embodiment, the inverter includes semiconductor switches in a half-bridge configuration, a transformer feedback circuit to control the semiconductor switches, and a series L-C resonant circuit. The inverter can drive multiple discharge lamps in a parallel configuration. A bypass circuit can also be coupled across a cathode of the discharge lamp to extend the life of the discharge lamp. The bypass circuit activates when a lamp cathode wears out.
PCT/US2002/035157 2001-11-02 2002-11-01 Method and apparatus for lighting a discharge lamp WO2003041455A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MXPA04004146A MXPA04004146A (en) 2001-11-02 2002-11-01 Method and apparatus for lighting a discharge lamp.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33971701P 2001-11-02 2001-11-02
US60/339,717 2001-11-02
US10/205,290 2002-07-23
US10/205,290 US6731075B2 (en) 2001-11-02 2002-07-23 Method and apparatus for lighting a discharge lamp

Publications (2)

Publication Number Publication Date
WO2003041455A2 WO2003041455A2 (en) 2003-05-15
WO2003041455A3 true WO2003041455A3 (en) 2003-07-24

Family

ID=26900292

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/035157 WO2003041455A2 (en) 2001-11-02 2002-11-01 Method and apparatus for lighting a discharge lamp

Country Status (3)

Country Link
US (3) US6731075B2 (en)
MX (1) MXPA04004146A (en)
WO (1) WO2003041455A2 (en)

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US6731075B2 (en) * 2001-11-02 2004-05-04 Ampr Llc Method and apparatus for lighting a discharge lamp
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US7560872B2 (en) * 2005-01-31 2009-07-14 Intersil Americas Inc. DC-AC converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp
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JP4687735B2 (en) * 2008-03-24 2011-05-25 東芝ライテック株式会社 Power supply device and lighting fixture
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JP4600583B2 (en) * 2008-09-10 2010-12-15 東芝ライテック株式会社 Power supply device and light fixture having dimming function
ES2341834B1 (en) * 2008-12-26 2011-05-23 Universidad De Castilla-La Mancha ELECTRONIC DEVICE FOR LIGHTING A FLUORESCENT LAMP AND FLUORESCENT LAMP THAT INCLUDES SUCH DEVICE.
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JP2010267415A (en) * 2009-05-12 2010-11-25 Toshiba Lighting & Technology Corp Lighting system
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JP2012023001A (en) 2009-08-21 2012-02-02 Toshiba Lighting & Technology Corp Lighting circuit and illumination device
JP5333768B2 (en) * 2009-09-04 2013-11-06 東芝ライテック株式会社 LED lighting device and lighting device
JP5333769B2 (en) * 2009-09-04 2013-11-06 東芝ライテック株式会社 LED lighting device and lighting device
JP5641180B2 (en) * 2009-09-18 2014-12-17 東芝ライテック株式会社 LED lighting device and lighting device
DE102010010235B9 (en) * 2009-10-19 2013-04-18 Exscitron Gmbh Device for driving a plurality of LED strands
WO2011055158A1 (en) * 2009-11-03 2011-05-12 City University Of Hong Kong A passive lc ballast and method of manufacturing a passive lc ballast
US8773031B2 (en) 2010-11-22 2014-07-08 Innosys, Inc. Dimmable timer-based LED power supply
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US20150022082A1 (en) * 2013-07-21 2015-01-22 Brady Hauth Dielectric barrier discharge lamps and methods
US10904972B2 (en) * 2017-04-24 2021-01-26 Signify Holding B.V. Retrofit light emitting diode, LED, tube for reducing audible noise originating from a high frequency electronic ballast
CN111865132B (en) * 2020-08-26 2024-02-09 阳光电源（上海）有限公司 Single-phase inverter, inverter topology circuit and control method thereof
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Also Published As

Publication number Publication date
US20040245934A1 (en) 2004-12-09
US7081709B2 (en) 2006-07-25
WO2003041455A2 (en) 2003-05-15
US6731075B2 (en) 2004-05-04
MXPA04004146A (en) 2004-10-29
US20030085669A1 (en) 2003-05-08
US20070152598A1 (en) 2007-07-05

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