Liquid-crystalline medium

Details Liquid-crystalline medium Liquid-crystalline medium

2006-02-24

2008-11-25

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299660, C252S299630

Reexamination Certificate

active

07455894

ABSTRACT:
A liquid-crystalline medium based on a mixture of polar compounds, containing one or more compounds of the formula Iin which R, Y1, Y2and X have the meanings indicated in Claim1.

REFERENCES:
patent: 5874022 (1999-02-01), Kubo et al.
patent: 6200654 (2001-03-01), Poetsch et al.
patent: 6326066 (2001-12-01), Poetsch et al.
patent: 6344247 (2002-02-01), Kondou et al.
patent: 7108895 (2006-09-01), Yokokouji et al.

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