Liquid crystal display

Details Liquid crystal display Liquid crystal display

2007-04-24

2007-04-24

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S099000

Reexamination Certificate

active

10669995

ABSTRACT:
Disclosed is a liquid crystal display which can automatically select channels of signals outputted from a digital signal receiver according to frequencies of input signals, when the input signals are digital signals. According to the liquid crystal display, the liquid crystal display having a conversion board for basically receiving an outside power supply and a digital data signal including a dot signal, wherein the conversion board comprises; a digital signal receiver for receiving the outside power supply and the digital data signal including the dot signal; and a comparator for comparing whether a frequency of a dot signal is higher than a frequency used in a driving device for the liquid crystal display or not. In the liquid crystal display, without using a scaler having large cost and space in the conversion board, the manufacturing cost of the liquid crystal display can be reduced.

REFERENCES:
patent: 6025817 (2000-02-01), Uno et al.
patent: 6313813 (2001-11-01), Narui et al.
patent: 6690368 (2004-02-01), Wu
patent: 6816131 (2004-11-01), Narui et al.
patent: 6836268 (2004-12-01), Song

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