Method for driving an STN liquid crystal display device

Details Method for driving an STN liquid crystal display device Method for driving an STN liquid crystal display device

1991-10-08

1993-09-14

Weldon, Ulysses

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

359 86, 345204, G09G 336

Patent

active

052453251

ABSTRACT:
A method for driving an STN liquid crystal display device, which can prevent a printed phenomenon of display on an image plane. In this method, when a display time of a fixed pattern exceeds a set time, ON and OFF of the fixed pattern is forcibly reversed to momentarily provide an inverted pattern, after which the display is returned to the original fixed pattern.

REFERENCES:
patent: 4130830 (1978-12-01), Derickson
patent: 4338623 (1982-07-01), Asmus et al.
patent: 4555701 (1985-11-01), Dahl et al.
patent: 4581612 (1986-04-01), Jones
patent: 4653094 (1987-03-01), Rasmussen et al.
patent: 4838661 (1989-06-01), McKee et al.
patent: 4922237 (1990-05-01), Inoue

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