Drive circuit for a display apparatus

Details Drive circuit for a display apparatus Drive circuit for a display apparatus

1995-01-27

1997-03-04

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 98, G09G 336

Patent

active

056084218

ABSTRACT:
A drive circuit for a display apparatus having parallel signal electrodes has at least one voltage selecting circuit, a plurality of signal voltage circuits, and one selection signal circuit. The voltage selecting circuit selects one of voltages having different levels in accordance with an input digital video signal. The signal voltage circuits are respectively provided for the signal electrodes, and include one signal line which is disposed between the voltage circuit and the respective signal electrode. The signal line is provided with an input switch, a capacitor and an output switch. The selection signal circuit generates a signal for controlling the input switches of the signal voltage circuits to be sequentially closed.

REFERENCES:
patent: 4799057 (1989-01-01), Takeda et al.
patent: 4870399 (1989-09-01), Carlson
patent: 5017914 (1991-05-01), Uchida et al.
patent: 5061920 (1991-10-01), Nelson
patent: 5070255 (1991-12-01), Shin
patent: 5101116 (1992-03-01), Morokawa
patent: 5111195 (1992-05-01), Fukuoka et al.

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