Memory ferroelectric display addressed with AC and DC voltages

Details Memory ferroelectric display addressed with AC and DC voltages Memory ferroelectric display addressed with AC and DC voltages

1984-12-31

1987-05-26

Corbin, John K.

350332, G02F 1133

Patent

active

046680519

ABSTRACT:
A memory display device using a chiral C or H smectic liquid crystal, comprising a liquid crystal cell in which optically discernible textures are induced by means of DC electric fields of appropriate signs, these textures being maintained under the effect of AC electric fields.

REFERENCES:
patent: 4009934 (1977-01-01), Goodwin et al.
patent: 4386836 (1983-06-01), Aoki et al.
patent: 4447132 (1984-05-01), Zwart
patent: 4508429 (1985-04-01), Nagae
patent: 4548476 (1985-10-01), Kaneko
patent: 4563059 (1986-01-01), Clark et al.
Applied Physic Letters, vol. 43, No. 4, 15 Aug. 1983, pp. 342-344.
Molecular Crystals and Liquid Crystals, vol. 40, 1977, pp. 33-48.

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