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. 20, 2007
Filed:
May. 08, 2006
Cristina Cojocariu, Evansville, IN (US);
Emine Elif Gurel, Evansville, IN (US);
Grant Hay, Evansville, IN (US);
Philip M. Peters, Mt. Vernon, IN (US);
Shixiong Zhu, Evansville, IN (US);
Christopher A. Coenjarts, Evansville, IN (US);
Gareth Charles Riggs, Evansville, IN (US);
Cristina Cojocariu, Evansville, IN (US);
Emine Elif Gurel, Evansville, IN (US);
Grant Hay, Evansville, IN (US);
Philip M. Peters, Mt. Vernon, IN (US);
Shixiong Zhu, Evansville, IN (US);
Christopher A. Coenjarts, Evansville, IN (US);
Gareth Charles Riggs, Evansville, IN (US);
General Electric Company, Schenectady, NY (US);
Abstract
Disclosed herein are light diffusing films, methods of making the same and articles using the same. In one embodiment, a light diffusing film is formed from a composition comprising: a polycarbonate, phosphite stabilizer, epoxy stabilizer, hindered phenol stabilizer, and light diffusing particles having a refractive index of about 1.3 to about 1.7. The film comprises a hiding power of 0 to about 0.5. In one embodiment, a method for producing a film comprises combining a polycarbonate, a phosphite stabilizer, an epoxy stabilizer, and light diffusing particles to form a combination, and forming the combination into the film.