Chiral nematic liquid crystal composition, liquid crystal...

Details Chiral nematic liquid crystal composition, liquid crystal... Chiral nematic liquid crystal composition, liquid crystal...

2006-01-25

2008-08-05

Visconti, Geraldina (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001300, C430S020000, C349S179000, C252S299010, C252S299500, C252S299700

Reexamination Certificate

active

07407692

ABSTRACT:
A chiral nematic liquid crystal composition, characterized in that a self-organizing type gelling agent is contained and the phase transition temperature between liquid crystal and isotropic phases is higher than the sol-gel transition temperature, a liquid crystal display device wherein the chiral nematic liquid crystal composition is put and held between a pair of substrates having an electrode, and a method for producing a liquid crystal display device wherein the chiral nematic liquid crystal composition is heated to a temperature of not lower than the phase transition temperature between liquid crystal and isotropic phases and then cooled down to room temperature.

REFERENCES:
patent: 6074710 (2000-06-01), Kato et al.
patent: 6333081 (2001-12-01), Horikiri et al.
patent: 7098976 (2006-08-01), Minoura et al.
patent: 2005/0218376 (2005-10-01), Izumi
Liquid crystal vol. 4 No. 1 2000, Sections 5 -5.1, pp. 16-18, with partial English translation of Sections 5-5.1, pp. 1-2.
Figs. 6 (A-C) of present application filed Jan. 25, 2006 entitled “Chiral Nematic Liquid Crystal Composition, Liquid Crystal Display Device, and Production Method Thereof,”.

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