Display device driver circuit

Details Display device driver circuit Display device driver circuit

2007-02-06

2007-02-06

Le, Don (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S068000, C326S093000

Reexamination Certificate

active

11062780

ABSTRACT:
A display device driver circuit includes a timer circuit20that outputs to output stage circuits10a control signal for turning off IGBTs11and12when a next clock signal is not inputted to the timer circuit20for a predetermined period of time, and the output stage circuits10turn off the IGBTs11and12to put the output terminals DOthereof into a high impedance state so that an overcurrent may be prevented from flowing through the IGBTs11and12.

REFERENCES:
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patent: 6501306 (2002-12-01), Kim et al.
patent: 6965255 (2005-11-01), Gans
patent: 2003/0214477 (2003-11-01), Murakami et al.
patent: 2004/0212561 (2004-10-01), Matsuda et al.
patent: 11-098000 (1999-04-01), None
patent: 2000-164730 (2000-06-01), None
patent: 2001-134230 (2001-05-01), None
patent: 2002-341785 (2002-11-01), None

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