INVERTER CIRCUIT, FLUORESCENT BULB OPERATING DEVICE, BACKLIGHT DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE

Details for Australian Patent Application No. 2003285746 (hide)

Owner SHARP KABUSHIKI KAISHA

Inventors INOUE, Yutaka; SHIMIZU, Masaki; OHTANI, Shuhki

Pub. Number AU-A-2003285746

PCT Number PCT/JP2003/0085

PCT Pub. Number WO2004/017508

Priority 2002-228595 06.08.02 JP

Filing date 4 July 2003

Wipo publication date 3 March 2004

International Classifications

H02M 007/48 Conversion of ac power input into dc power output - using discharge tubes with control electrode or semiconductor devices with control electrode

H05B 041/24 Circuit arrangements or apparatus for igniting or operating discharge lamps - in which the lamp is fed by high-frequency ac

G02F 001/133 Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 2002-228595 06.08.02 JP

22 April 2004 Application Open to Public Inspection

  Published as AU-A-2003285746

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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