Driving circuit for producing varying signals for a liquid cryst

Details Driving circuit for producing varying signals for a liquid cryst Driving circuit for producing varying signals for a liquid cryst

1990-12-19

1994-01-18

Britton, Howard W.

Computer graphics processing and selective visual display system

Plural physical display element control system

Segmented display elements

345 84, 345 50, 345208, 345 96, G09G 336

Patent

active

052802795

ABSTRACT:
A driving circuit which can drive an LCD apparatus without causing the residual image phenomenon is disclosed. The driving circuit has a polarity-inverting circuit for converting input video signals into polarity-alternating signals. The polarity-inverting circuit has input-output characteristics which are at least partially non-linear. The input-output characteristics are linear in the positive region, and non-linear in the negative region, or non-linear in the positive region, and linear in the negative region.

REFERENCES:
patent: 4259686 (1981-03-01), Suzuki et al.
patent: 4670714 (1987-06-01), Sievers et al.
patent: 4710727 (1987-12-01), Rutt
patent: 4859872 (1989-08-01), Hyakutake
patent: 4899141 (1990-02-01), Morozumi et al.
Proceedings of the SID, vol. 29, No. 1, 1988, New York US, pp. 99-103, "Compensation of the Display Electrode Voltage Distortion", Yanagisawa et al.

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