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:
Feb. 09, 2016
Filed:
Aug. 11, 2014
Akron Polymer Systems, Inc., Akron, OH (US);
Xiaoliang Zheng, Hudson, OH (US);
Dong Zhang, Uniontown, OH (US);
Jiaokai Jing, Uniontown, OH (US);
Frank W. Harris, Boca Raton, FL (US);
Brian King, Jonesborough, TN (US);
Ted Germroth, Kingsport, TN (US);
Thauming Kuo, Kingsport, TN (US);
Akron Polymer Systems, Inc., Akron, OH (US);
Abstract
An optical compensation film composition is disclosed herein wherein the optical compensation film is stretched to yield a negative A-plate having a refractive index profile of n<n=n. or a biaxial polymer film having a refractive index profile of n<n<n, the film having been stretched from a film cast from a polymer solution comprising a solvent and a polymer having a moiety of wherein R, R, and Rare each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R, R, and Ris a fluorine atom, and wherein R is hydrogen or a substituent on the styrenic ring.