| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for preparing a liquid crystal optical element exhibiting a high contrast ratio and capable of being driven at a low voltage. SOLUTION: In a method for preparing a liquid crystal optical element wherein a mixture of a liquid crystal with an uncured curable compound is sandwiched between a pair of substrates with an electrode, at least one of which is transparent, and the curable compound is cured thereby forming a liquid crystal/cured product composite layer, a chiral agent is incorporated into the mixture and the helical pitch of the chiral agent is adjusted to at least 4μm and three times or less the clearance of the electrodes.
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