Display device with two-level image representation

Details Display device with two-level image representation Display device with two-level image representation

2005-03-29

2005-03-29

Nguyen, Chanh (Department: 2675)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S087000

Reexamination Certificate

active

06873321

ABSTRACT:
In a display device, under a analog display mode, an analog image signal amplified by an analog amplifier is outputted to a liquid crystal display panel. Under an digital display mode, after being processed by a signal processing circuit, the digital image signal is outputted to the liquid crystal display panel through a DA converter and an amplifier. For writing a “white” image signal, the signal processing circuit converts the input digital signal so that all bits of the signal are a “1.” Also, for writing a “black” image signal, the signal processing circuit converts the input digital signal so that all bits of the signal are a “0.”

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