Inverter for liquid crystal display

Details Inverter for liquid crystal display Inverter for liquid crystal display

2011-05-24

2011-05-24

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

Reexamination Certificate

active

07948484

ABSTRACT:
An inverter for liquid crystal display is disclosed. The inverter for liquid crystal display includes a switching circuit, a transformer, and first and second protective circuits. The switching circuit includes first and second switches and converts a direct current power input into an alternating current power. Each of the first and second switches alternatively performs a turn-on operation and a turn-off operation. The transformer transforms an alternating current power supplied from the switching circuit into a high-voltage alternating current power. The first protective circuit is connected to both terminals of the first switch and protects the first switch during turn-on and turn-off operations of the first switch. The second protective circuit is connected to both terminals of the second switch and protects the second switch during turn-on and turn-off operations of the second switch.

REFERENCES:
patent: 5875103 (1999-02-01), Bhagwat et al.
patent: 6317347 (2001-11-01), Weng
patent: 2006/0066526 (2006-03-01), Kim et al.
patent: 2006/0132062 (2006-06-01), Maru et al.
patent: 2006/0145634 (2006-07-01), You et al.

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