Display control device with compensation for rounded or ringing

Details Display control device with compensation for rounded or ringing Display control device with compensation for rounded or ringing

1994-06-07

1995-03-21

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 94, G09G 336

Patent

active

054000491

ABSTRACT:
A display control device for a dot-matrix type liquid-crystal display device with a plurality of common electrodes and data electrodes including a common electrode driver for successively applying a scan pulse to the common electrodes, and a data electrode driver for applying data signals each having black level or white level to the data electrodes. The data electrode drive is adapted to set each of the data signals to one of the black level and white level during a predetermined period of time immediately before the leading and trailing edges of the scan pulse and to the other of the black level and white level during a predetermined period of time immediately after the leading and trailing edges of the scan pulse.

REFERENCES:
patent: 4872059 (1989-10-01), Shinabe
patent: 5010326 (1991-04-01), Yamazaki et al.

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