Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2004-11-05
2008-01-01
Wu, Shean C (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299010, C252S299610, C252S299630, C252S299660, C252S299670
Reexamination Certificate
active
07314653
ABSTRACT:
Disclosed are nematic liquid-crystal media which have an initial current density of 0.05 μA/cm2or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays, preferably TN or STN displays.
REFERENCES:
patent: 4550980 (1985-11-01), Shingu
patent: 5167860 (1992-12-01), Sawada et al.
patent: 6440506 (2002-08-01), Kojima et al.
patent: 7001646 (2006-02-01), Heckmeier et al.
patent: 19961702 (2001-06-01), None
Hirschmann Harald
Schoen Sabine
Merck Patent Gesellschaft mit beschrankter Haftung
Millen White Zelano & Branigan P.C.
Wu Shean C
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