Liquid crystal cells – elements and systems – With specified nonchemical characteristic of liquid crystal... – Within smectic phase
Reexamination Certificate
2005-07-19
2005-07-19
Kim, Robert H. (Department: 2871)
Liquid crystal cells, elements and systems
With specified nonchemical characteristic of liquid crystal...
Within smectic phase
C349S086000, C349S089000, C349S100000, C349S193000
Reexamination Certificate
active
06919950
ABSTRACT:
The invention relates to a liquid crystal device, comprising an antiferroelectric liquid crystal material (AFLC material) having smectic layers, and two substrates confining the AFLC material therebetween, wherein the AFLC material is uniaxial negative. Preferably, the AFLC material is uniaxial as a consequence of a surface stabilization and of a selected smectic tilt angle θ of the AFLC material. Preferably, the angle θ is in the range of 40°≦θ≦50°, especially 45°. The invention also relates to electrooptic liquid crystal devices.
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D'Have Koen
Dabrowski Roman S.
Dahlgren Anders
Drzewinski Witold J.
Jagemalm Pontus
Burns Doane , Swecker, Mathis LLP
Duong Tai
Kim Robert H.
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