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:
Nov. 24, 2015
Filed:
May. 23, 2014
Applicant:
Crysoptix K.k., Tokyo, JP;
Inventor:
Ellina Kharatiyan, Moscow, RU;
Assignee:
Crysoptix K.K., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/08 (2006.01); B05D 3/00 (2006.01); G02B 5/30 (2006.01); C08G 69/32 (2006.01); C08L 77/10 (2006.01); C09K 19/38 (2006.01); G02B 1/04 (2006.01); G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02B 1/08 (2013.01); B05D 3/007 (2013.01); C08G 69/32 (2013.01); C08L 77/10 (2013.01); C09K 19/3809 (2013.01); G02B 1/04 (2013.01); G02B 5/3083 (2013.01); G02F 1/133634 (2013.01); Y10T 428/31551 (2015.04); Y10T 428/31562 (2015.04); Y10T 428/31725 (2015.04);
Abstract
The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate. Said solid retardation layer comprises rigid rod-like macromolecules comprising n organic units of the first type having general structural formula I and andk organic units of the second type having general structural formula II