Matrix liquid crystal display having function to correct viewing

Details Matrix liquid crystal display having function to correct viewing Matrix liquid crystal display having function to correct viewing

1994-10-26

1997-07-22

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

G09G 336

Patent

active

056507968

ABSTRACT:
A liquid crystal display capable of changing the polarities of voltages to be applied to a liquid crystal for every scanning line, so as to correct viewing angle characteristics. The liquid crystal display includes: a circuit for generating a view angle correcting signal on the basis of a vertical scanning signal which is generated by a pulse at the scanning start of one field; circuits for converting the viewing angle correcting signal into an AC signal by changing its polarity for every scanning lines; and a driver for generating a video signal from the AC viewing angle correcting signal.

REFERENCES:
patent: 4635127 (1987-01-01), Togashi
patent: 4906984 (1990-03-01), Takeda et al.
patent: 5243454 (1993-09-01), Nakamura
patent: 5250937 (1993-10-01), Kikuo et al.
Electronics Devices, discrete and Integrated Circuits by Arthur H. Seidman et al. p. 148 1977.

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