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:
Mar. 15, 2005
Filed:
Sep. 13, 2000
Applicants:
David Coates, Dorset, GB;
Tara Cutler, Dorset, GB;
Owain Llyr Parri, Dorset, GB;
Mark Verrall, Dorset, GB;
Peter Le Masurier, Dorset, GB;
Stephan Derow, Muehltal, DE;
Inventors:
David Coates, Dorset, GB;
Tara Cutler, Dorset, GB;
Owain Llyr Parri, Dorset, GB;
Mark Verrall, Dorset, GB;
Peter Le Masurier, Dorset, GB;
Stephan Derow, Muehltal, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F001/1335 ;
U.S. Cl.
CPC ...
Abstract
An optical compensator for liquid crystal displays comprising at least one O plate retarder, at least one low tilt A plate retarder, and at least one negative C plate retarder is described. Also described are liquid crystal displays comprising such a compensator.