The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2004
Filed:
Jun. 07, 2002
Applicant:
Inventors:
Harry Garth Walton, Oxford, GB;
Michael John Towler, Oxford, GB;
Assignee:
Sharp Laboratories of Europe Limited, Oxfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 1/902 ;
U.S. Cl.
CPC ...
C09K 1/902 ;
Abstract
A surface mode liquid crystal device, for example of the pi-cell type, comprises a layer nematic liquid crystal ( ) disposed between alignment layers ( ) and an electrode arrangement ( ). The nematic liquid crystal has viscosity coefficients &eegr; , &eegr; and &ggr; , such that (&eegr; -&eegr; )/&ggr; ≧1.15 or (&eegr; -&eegr; )/&ggr; ≦0.9.