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:
Sep. 12, 2006
Filed:
Mar. 03, 2004
Applicants:
Mark Verrall, Dorset, GB;
Mark Goulding, Poole, GB;
Quentin Hodges, Poole, GB;
Ben Godden, Poole, GB;
Inventors:
Mark Verrall, Dorset, GB;
Mark Goulding, Poole, GB;
Quentin Hodges, Poole, GB;
Ben Godden, Poole, GB;
Assignee:
Merck KGaA, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 20/10 (2006.01); C09K 19/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an optical retardation film comprising two layers of an anisotropic polymer adjacent to each other or adjacent to both sides of a substrate, characterized in that each layer exhibits a tilted structure with an optical symmetry axis having a tilt angle θ relative to the plane of the layer, to a means to produce substantially linear polarized light comprising such an optical retardation film and to a liquid crystal display comprising such an optical retardation film.