Display device comprising a layer of liquid crystal

Details Display device comprising a layer of liquid crystal Display device comprising a layer of liquid crystal

1974-04-12

1977-03-08

Corbin, John K.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, G02F 113

Patent

active

040110087

ABSTRACT:
A display device comprising a mixture of a nematic liquid crystal having a large negative dielectric anisotropy and an optically active material. The information is recorded and erased with voltages of the same frequency. Erasing is carried out with a larger voltage than recording.

REFERENCES:
patent: 3703331 (1972-11-01), Goldmacher et al.
patent: 3767289 (1973-10-01), Aviram et al.

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