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. 04, 2015
Filed:
Mar. 29, 2007
Dong Zhang, Uniontown, OH (US);
Frank W. Harris, Boca Raton, FL (US);
Xiaoliang Joe Zheng, Akron, OH (US);
Jiaokai Alexander Jing, Uniontown, OH (US);
Thauming Kuo, Kingsport, TN (US);
Brian Michael King, Jonesborough, TN (US);
Ted Calvin Germroth, Kingsport, TN (US);
Qifeng Zhou, Beijing, CN;
Dong Zhang, Uniontown, OH (US);
Frank W. Harris, Boca Raton, FL (US);
Xiaoliang Joe Zheng, Akron, OH (US);
Jiaokai Alexander Jing, Uniontown, OH (US);
Thauming Kuo, Kingsport, TN (US);
Brian Michael King, Jonesborough, TN (US);
Ted Calvin Germroth, Kingsport, TN (US);
Qifeng Zhou, Beijing, CN;
AKRON POLYMER SYSTEMS, Akron, OH (US);
Abstract
Optical compensation films (positive C-plate) with mesogen anisotropic subunits (OASUs) that have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs.