Optical compensatory sheet having optically anisotropic...

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

Reexamination Certificate

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C349S096000, C349S104000, C349S193000

Reexamination Certificate

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07057690

ABSTRACT:
The optical compensatory sheet has a transparent support and an optically anisotropic layer formed from liquid crystal molecules aligned in an average inclined angle of less than 5°. The optical compensatory sheet gives the retardation value in plane (Re) in the range of 10 to 1,000 nm and the retardation value along the thickness direction (Rth) in the range of 10 to 1,000 nm.

REFERENCES:
patent: 5528400 (1996-06-01), Arakawa
patent: 6064457 (2000-05-01), Aminaka
patent: 6245398 (2001-06-01), Matsuoka et al.
patent: 6380996 (2002-04-01), Yokoyama et al.
patent: 6519017 (2003-02-01), Ichihashi et al.
patent: 6606140 (2003-08-01), Ito et al.
patent: 2002/0149725 (2002-10-01), Hashimoto
International Search Report issued in PCT/JP00/00612; May 16, 2000.
Translation of International Preliminary Examination Report, 9 pages; Feb. 20, 2001.

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