Driving circuit for liquid crystal display apparatus

Details Driving circuit for liquid crystal display apparatus Driving circuit for liquid crystal display apparatus

1990-07-03

1993-12-28

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 96, G09G 336

Patent

active

052743667

ABSTRACT:
A display circuit for a simple matrix type liquid crystal display apparatus which is multiduty. The picture element data of one line portion is sequentially output through the segment driver into one electrode contacting the liquid crystal. The scanning pulses are sequentially output through the command driver into the other electrode contacting the liquid crystal. The driving circuit further reverses the polarities of the outputs at a constant period with an alternating signal, so as to drive the respective liquid crystal.

REFERENCES:
patent: 4525710 (1985-06-01), Hoshi et al.
patent: 4965566 (1990-10-01), Kawamura et al.
Fundamentals of Logic Design, Charles H. Roth, Jr., 1979, pp. 257-258.

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