Liquid crystalline organic semiconductor material and...

Details Liquid crystalline organic semiconductor material and... Liquid crystalline organic semiconductor material and...

2008-07-15

2008-07-15

Wu, Shean C (Department: 1795)

Compositions

Liquid crystal compositions

C252S299500, C257S040000, C349S002000

Reexamination Certificate

active

07399426

ABSTRACT:
There is provided a liquid crystalline organic semiconductor material that can effectively develop electron conductive properties which a liquid crystal system inherently has. The liquid crystalline organic semiconductor material has both an isotropic phase and a smectic liquid crystal phase and comprises an electronically conductive liquid crystal material, wherein the concentration of an impurity in the liquid crystal material is controlled to a lower value than the critical concentration at which the electron conductivity of the liquid crystal material disappears or is significantly reduced rendering ion conduction dominant.

REFERENCES:
patent: 5370820 (1994-12-01), Boden et al.
patent: 2002/0094390 (2002-07-01), Sato et al.
patent: 2004/0201011 (2004-10-01), Sakurada et al.
patent: 2004346295 (2004-09-01), None
English translation by computer for JP 2004-346295, http://www4.ipdl.inpit.go.jp/Tokujitu/PAJdetail.ipdl?N0000=60&N0120=01&N2001=2&N3001=2004-346295.

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