Bistable ferroelectric smectic liquid crystal display device hav

Details Bistable ferroelectric smectic liquid crystal display device hav Bistable ferroelectric smectic liquid crystal display device hav

1988-03-30

1990-02-20

James, Andrew J.

350341, G02F 113

Patent

active

049021060

ABSTRACT:
Bistable ferroelectric smectic liquid crystal display device.
This device comprises a tight cell inserted between two polarizers formed from two glass walls, each provided with a display-appropriate electrode connected to an electric power supply for applying an electric field for controlling the liquid crystal to a chiral ferroelectric smectic liquid crystal film inserted between the electrodes. To obtain bistability and storage of the liquid crystal, one of the walls is covered with a material constituted by a stack of a silica layer, a polyimide layer, an optionally rubbed organosilane film in contact with the liquid crystal and the other wall is provided with a silica film covered with a Nylon film.

REFERENCES:
patent: 4563059 (1986-01-01), Clark et al.

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