Liquid crystal device with two monostable liquid crystal cells

Details Liquid crystal device with two monostable liquid crystal cells Liquid crystal device with two monostable liquid crystal cells

1994-08-02

1996-02-27

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 56, 359 59, 359100, G02F 1133, G02F 11343, G02F 113

Patent

active

054953510

ABSTRACT:
A liquid crystal device comprising a liquid crystal cell including a plurality of pixels aligned on a plurality of lines and rows, each of the pixels composed of a pair of electrodes and liquid crystals provided between the pair of electrodes; and an optical unit including high-refractive portions positioned corresponding to the pixels, and low-refractive portions positioned next to the high-refractive portions on a plane, the high-refractive portions and the low-refractive portions having the refractive indexes the ratio between which satisfies the condition for total reflection of incident light. Another embodiment is a liquid crystal device comprising two liquid crystal cells wherein each of the cells exhibit monostable orientation.

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