Ferroelectric liquid crystal device having plural inorganic insu

Details Ferroelectric liquid crystal device having plural inorganic insu Ferroelectric liquid crystal device having plural inorganic insu

1991-08-13

1993-12-14

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 75, 359 68, 359 79, 359 87, G02F 1133, G02F 1137

Patent

active

052708462

ABSTRACT:
A ferroelectric liquid crystal device is prepared by disposing a ferroelectric liquid crystal between a pair of electrode plate structures Each electrode plate structure is formed by coating a electrode pattern on a substrate with a multi-layer insulating layer including two insulating layers formed through difference processes. In a preferred embodiment, the first insulating layer is formed by sputtering of an inorganic oxide and the second insulating layer is formed as an inorganic oxide layer formed through wet-coating and calcination. The multi-layer insulating layer structure is effective for preventing occurrence of short circuit between opposite electrodes and providing a good alignment characteristic particularly when combined with a polyimide alignment film.

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