Inverter device, liquid crystal display device using the...

Details Inverter device, liquid crystal display device using the... Inverter device, liquid crystal display device using the...

2007-12-04

2007-12-04

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S211000

Reexamination Certificate

active

10606832

ABSTRACT:
An inverter device for a liquid crystal display includes a transformer for receiving an inverter drive voltage, converting the received drive voltage into an AC lamp drive voltage and supplying the AC lamp drive voltage to a high path of a backlight lamp, a low path switching part selectively connecting a low path of the backlight lamp with a ground voltage source in response to an external inverter ON/OFF signal, and a shutdown circuit for receiving a voltage input through the low path of the backlight lamp to monitor for a malfunction of the backlight lamp in response to an external shutdown ON/OFF signal.

REFERENCES:
patent: 4064414 (1977-12-01), Bergeson et al.
patent: 5420779 (1995-05-01), Payne
patent: 6023131 (2000-02-01), Okita
patent: 2002/0021097 (2002-02-01), Ito et al.
patent: 2002/0109465 (2002-08-01), Miyoshi
patent: 2003/0001524 (2003-01-01), Lin et al.

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