Display arrangement with improved drive

Details Display arrangement with improved drive Display arrangement with improved drive

1986-09-22

1988-12-27

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340784, 340785, 340787, G09G 302

Patent

active

047943858

ABSTRACT:
A display arrangement (LCD etc.) in which the control voltage range is enlarged by including in the control lines (13.sup.a, 13.sup.b) additional diodes (14) which are connected to a common point (15). In order to counteract a capacitive by-effect, additional diodes (17) are connected in parallel with opposite polarity. The enlarged control range provides a wider choice of LCD material or other electrooptical materials.

REFERENCES:
patent: 3654606 (1972-04-01), Marlowe et al.
patent: 4251136 (1981-02-01), Miner et al.
patent: 4554537 (1985-11-01), Dick
"Liquid Crystal Matrix Displays", B. J. Lechner et al, Proc. IEEE, vol. 59, No. 11, Nov. 1971, pp. 1566-1579.

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