Double layer liquid crystal device for a dot matrix display

Details Double layer liquid crystal device for a dot matrix display Double layer liquid crystal device for a dot matrix display

1980-08-26

1983-05-24

Corbin, John K.

350333, 350336, G02F 113

Patent

active

043847633

ABSTRACT:
A liquid crystal device (LCD) for displaying a dot matrix is formed of a pair of LCD's in back-to-back relation. Conductive bar pattern coatings are provided on each of the LCD's. Each LCD pattern is orthogonally oriented to the pattern of the other LCD to define thereby a dot matrix in a row and column array. The electrically conducting patterns are energized with control signals to activate the liquid crystal compositions in the respective LCD's to transmit light through two spatially superposed vertical dots to provide a display of dots in accordance with the selected energization signals.

REFERENCES:
patent: 3674342 (1972-07-01), Castellano et al.
patent: 3885861 (1975-05-01), Farnsworth et al.
patent: 3989355 (1976-11-01), Wilmer
patent: 4099855 (1978-07-01), Wisbey et al.
patent: 4139278 (1979-02-01), Matsumoto et al.
patent: 4289383 (1981-09-01), Schwarzschild

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