Retardation plate

Details Retardation plate Retardation plate

2006-03-24

2008-10-07

Visconti, Geraldina (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C430S020000, C430S270100, C252S299010

Reexamination Certificate

active

07431971

ABSTRACT:
A retardation plate is provided and includes: a transparent support; and an optically anisotropic layer formed from a discotic liquid crystalline compound. The discotic liquid crystalline compound has a molecule oriented and fixed with an angle between a discotic plane of the molecule and a plane of the transparent plane substantially being a right angle, and the discotic liquid crystalline compound has a wavelength dispersion value smaller than that of compound (A):

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