Method for gradation display using a liquid crystal optical elem

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element

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359 87, 359100, G02F 11333, G02F 11343, G02F 113

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053215389

ABSTRACT:
A liquid crystal optical element comprising a pair of electrode substrates having an electrode and a substrate and a chiral smectic liquid crystal disposed between said pair of electrode substrates, wherein an electrode on at least one of said pair of electrode substrates is provided regularly or randomly with minute insulation portions.

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