Liquid crystal driver and liquid crystal display device using th

Details Liquid crystal driver and liquid crystal display device using th Liquid crystal driver and liquid crystal display device using th

1995-06-05

1998-06-30

Wu, Xiao

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345100, 345 89, 345211, G09G 336

Patent

active

057741069

ABSTRACT:
A liquid crystal driver includes a voltage generator for generating gray scale voltages on the basis of reference voltages, and an output device for selecting one gray scale voltage from the generated gray scale voltages in accordance with display data, for applying inversion
on-inversion control to the selected gray scale voltage with respect to an inversion reference voltage on the basis of the selected gray scale voltage, an AC switching signal and the inversion reference voltage, and for outputting different liquid crystal supply voltages for one and the same display data to a liquid crystal panel.

REFERENCES:
patent: 4591848 (1986-05-01), Morozumi et al.
patent: 5041823 (1991-08-01), Johnson et al.
patent: 5214417 (1993-05-01), Yamazaki
patent: 5363118 (1994-11-01), Okumura
patent: 5365250 (1994-11-01), Hirashima
"Hitachi LCD driver LSI Data Book", pp. 1166-1185 published on Mar., 1994 by Hitachi Co.,Ltd.

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