Liquid crystal composition, liquid crystal display element,...

Details Liquid crystal composition, liquid crystal display element,... Liquid crystal composition, liquid crystal display element,...

2006-05-09

2006-05-09

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299010, C252S299500

Reexamination Certificate

active

07041346

ABSTRACT:
A liquid crystal composition comprising a liquid crystal compound, a gelling agent comprising a hydrogen-bonded compound with polymerizable double bonds at both ends to form a gelatinizable mixture with the liquid crystal compound, and a photoinitiator causing a polymerization reaction of the hydrogen-bonded compound of the gelling agent is disclosed. Because the denatured liquid crystal composition, obtainable by photo polymerization of the non-denatured liquid crystal composition, has alignment direction self-control characteristics, the liquid crystal composition can be reversibly changed between the isotropic state and the aligned gelatinized state by controlling the temperature conditions not only in a non-denatured state but also in a denatured state. A liquid crystal display element using the liquid crystal composition, a method for manufacturing the same, and a method for controlling the same are also disclosed.

REFERENCES:
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patent: 6610216 (2003-08-01), Yumoto et al.
patent: 6645577 (2003-11-01), Horikiri
patent: 6682787 (2004-01-01), Kato et al.
patent: 6740255 (2004-05-01), Kato et al.
The Japanese Liquid Crystal Society, Oct. 10, 2002 “Interface orientation control of liquid crystals by hydrogen-bonded fibrous polymer” with Certificate of Disclosure.

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