Active matrix-addressed picture display device

Details Active matrix-addressed picture display device Active matrix-addressed picture display device

1983-12-16

1990-05-22

Brier, Jeffery A.

Communications: electrical

Land vehicle alarms or indicators

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

340719, G09G 336

Patent

active

049280953

ABSTRACT:
An active matrix-addressed picture display device comprises a matrix of picture elements arranged in a row-by-column matrix, each picture element comprising a liquid crystal cell, a single capacitor for holding a signal voltage to be applied to the liquid crystal cell, and a single switching transistor for enabling a signal voltage to be applied to the capacitor. Column signal supply electrodes are connected to apply signal voltages to the columns of switching transistors, and row address electrodes are connected to apply scanning voltages to the rows of switching transistors. To eliminate shorting between the substrate and the column and row electrodes, one side of the capacitors in each row of picture elements are connected to a preceding row address electrode of a neighboring row of picture elements.

REFERENCES:
patent: 4006383 (1977-01-01), Luo et al.
patent: 4386352 (1983-05-01), Nonomura et al.
patent: 4429305 (1984-01-01), Hosokawa et al.
patent: 4431271 (1984-02-01), Okubo
Brody, T. P. et al., "A 6.times.6 Inch 20 Lines-Per-Inch Liquid Crystal Display Panel", IEEE Transactions on Electron Devices, Nov. 1973, vol. ED-20, No. 11, pp. 995-1001.

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