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. 12, 2014
Filed:
Sep. 24, 2010
Xiaoliang Zheng, Hudson, OH (US);
Dong Zhang, Uniontown, OH (US);
Jiaokai Jing, Uniontown, OH (US);
Frank Harris, Boca Raton, FL (US);
Brian King, Jonesborough, TN (US);
Ted Germroth, Kingsport, TN (US);
Thauming Kuo, Kingsport, TN (US);
Xiaoliang Zheng, Hudson, OH (US);
Dong Zhang, Uniontown, OH (US);
Jiaokai Jing, Uniontown, OH (US);
Frank 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 having a polymer film and a substrate, wherein the polymer film has a positive birefringence greater than 0.005 throughout the wavelength range of 400 nm<λ<800 nm, the film having been 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.