Apparatus and method of driving lamp of liquid crystal...

Details Apparatus and method of driving lamp of liquid crystal... Apparatus and method of driving lamp of liquid crystal...

2007-02-27

2007-02-27

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Plural load device systems

C315S219000, C315S226000, C315S254000, C315S276000, C315S324000

Reexamination Certificate

active

11153006

ABSTRACT:
A lamp driving apparatus of a liquid crystal display device includes m lamp groups in which a plurality of lamps generating light are disposed; n (n<m) inverter parts to generate an AC voltage for driving the lamps; an inverter controller to control the inverter parts; and a multiplexer to selectively supply the AC voltage generated at the n inverter parts to the n lamp groups among the m lamp groups. In each frame, a clock signal is divided into n divided signals. Different sets of lamp groups are driven during each of the divided signals.

REFERENCES:
patent: 6232941 (2001-05-01), Ode et al.
patent: 6707264 (2004-03-01), Lin et al.
patent: 6815842 (2004-11-01), Fehd et al.
patent: 6911790 (2005-06-01), Wood
patent: 4-337289 (1992-11-01), None
patent: 2000-69759 (2000-03-01), None

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