Backlight for a display device

Details Backlight for a display device Backlight for a display device

2007-09-25

2007-09-25

Le, Tung X (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S291000

Reexamination Certificate

active

11168327

ABSTRACT:
A backlight comprising a plurality of lamps, an A/D converter connected to the lamps in parallel to convert an inputted alternating current into a direct current and to provide the converted direct current to the lamps, a current measuring unit connected to the lamps in parallel to measure currents outputted from the lamps, and a controlling unit to control a current value to be applied to the lamps according to a current value inputted from the current measuring unit.

REFERENCES:
patent: 6072283 (2000-06-01), Hedrei et al.
patent: 6316886 (2001-11-01), Luger et al.
patent: 7042171 (2006-05-01), Lin
patent: 2003/0107332 (2003-06-01), Newman et al.
patent: 2003/0122506 (2003-07-01), Kamata et al.
patent: 2004/0145584 (2004-07-01), Lee et al.
patent: 2004/0183465 (2004-09-01), Jang
patent: 2004/0246226 (2004-12-01), Moon
patent: 2005/0093482 (2005-05-01), Ball
patent: 2005/0093483 (2005-05-01), Ball
patent: 2007/0013322 (2007-01-01), Tripathi et al.

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