Liquid crystal display device associating two addressing modes

Details Liquid crystal display device associating two addressing modes Liquid crystal display device associating two addressing modes

1982-06-09

1985-02-12

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340784, 340783, 350333, G09G 336

Patent

active

044994583

ABSTRACT:
The present invention relates to cells using a smectic phase liquid crystal film and provides in the same cell two addressing modes: optical addressing by means of a laser beam and matrix addressing by means of heating electrodes.

REFERENCES:
patent: 4031529 (1977-06-01), Borel et al.
patent: 4040047 (1977-08-01), Hareng et al.
patent: 4202010 (1980-05-01), Hareng et al.
patent: 4310858 (1982-01-01), Hareng et al.
patent: 4391492 (1983-07-01), Lu et al.
patent: 4430650 (1984-02-01), Billard et al.
IBM J. Res. Development, vol. 26, No. 2, pp. 177-185, Mar. 1982, "The Application of GaAlAs Lasers to High Resolution Liquid Crystal Projection Displays", Dewey & Crow.

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