Compound, retardation plate and method for forming optically...

Details Compound, retardation plate and method for forming optically... Compound, retardation plate and method for forming optically...

2006-12-26

2006-12-26

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299010, C252S299620, C252S299660, C252S299670, C560S055000, C560S056000, C560S061000, C560S076000, C560S085000, C560S095000

Reexamination Certificate

active

07153548

ABSTRACT:
A retardation plate having a high film strength and having an optical property is provided by using a biaxial liquid crystal compound, in which the direction having a minimum refractive index of the optically anisotropic thin layer almost coincides with the normal direction in the film plane of the retardation plate, and the retardation plate comprises a transparent support and at least one optically anisotropic layer containing a liquid crystal compound capable of expressing a biaxial liquid crystal phase, wherein the liquid crystal compound is a polymerizable compound and/or a polymer compound.

REFERENCES:
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patent: 2002/0041352 (2002-04-01), Kuzuhara et al.
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patent: 2002-6138 (2002-01-01), None
patent: 2002-174730 (2002-06-01), None
P. Berdagué et al., “Nematogens with more flexible chains than aromatic rings in the core”, Liquid Crystals, vol. 26, No. 2, pp. 211-218 (1999).

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