Optical device and method for making the same

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only

Reexamination Certificate

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C349S129000

Reexamination Certificate

active

07956964

ABSTRACT:
A method for making an optical device includes the steps of: rubbing an orienting film so as to stretch the molecular structure thereof and so as to permit the molecular units of the molecular structure to be aligned along a first axis and to permit the orienting space between each adjacent pair of the molecular units of the molecular structure to be oriented in a direction parallel to a second axis; and forming an optical anisotropical layer on the orienting film by applying a liquid crystal film of rod-like molecules on the orienting film which orients the rod-like molecules by virtue of spatial effect of the molecular units and the orienting spaces.

REFERENCES:
patent: 5583679 (1996-12-01), Ito et al.
patent: 6531195 (2003-03-01), Negoro et al.
patent: 2000-085057 (2000-03-01), None
Notice of Allowance mailed Jan. 30, 2009 for U.S. Appl. No. 11/075,499, filed Mar. 9, 2005.

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