Matrix type display apparatus and a method for driving the same

Details Matrix type display apparatus and a method for driving the same Matrix type display apparatus and a method for driving the same

1994-05-27

1998-01-13

Powell, Mark R.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, 345 98, G09G 336

Patent

active

057084548

ABSTRACT:
A matrix type display apparatus includes pixel electrodes arranged in a matrix, data signal lines and scanning signal lines for driving the pixel electrodes, and a data signal line driving circuit. The data signal line driving circuit includes sampling capacitors for keeping sampled data obtained by sequentially sampling image data over one horizontal scanning period, holding capacitors for holding the sampled data transmitted from the sampling capacitors upon termination of the horizontal scanning period and then outputting the sampled data to data signal lines, and a precharging circuit for precharging the corresponding holding capacitors by applying a predetermined voltage to the holding capacitors before the sampled data is transmitted to the holding capacitors.

REFERENCES:
patent: 3999081 (1976-12-01), Nakajima
patent: 4750813 (1988-06-01), Ohwada
patent: 5151690 (1992-09-01), Yamazaki
patent: 5170158 (1992-12-01), Shinya
patent: 5426447 (1995-06-01), Lee

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