LCD controller, LCD apparatus, information processing apparatus

Details LCD controller, LCD apparatus, information processing apparatus LCD controller, LCD apparatus, information processing apparatus

1992-01-27

1998-04-21

Weldon, Ulysses

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 94, 359 54, G09G 336

Patent

active

057422699

ABSTRACT:
A method and apparatus for removing the effect of data voltages for the last display line of a liquid crystal display (LCD) on the first line of the display. Prior to a horizontal line period, immediately before a data signal for the last display line is transferred to a driver, and a scanning electrode for the first display line of the following frame is turned on, signal electrodes are precharged with a voltage corresponding to data for the first display line of the following frame.

REFERENCES:
patent: 4630122 (1986-12-01), Morokawa
patent: 4816816 (1989-03-01), Usui
patent: 5091723 (1992-02-01), Kanno et al.

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