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. 15, 2005
Filed:
Sep. 05, 2003
Le LI, Hopewell Junction, NY (US);
Bunsen Fan, Cortland Manor, NY (US);
Yingqiu Jiang, Sunnyvale, CA (US);
Sadeg M. Faris, Pleasantville, NY (US);
Jian-feng LI, Boulder, CO (US);
Sameer Vartak, Lake Mohegan, NY (US);
Le Li, Hopewell Junction, NY (US);
Bunsen Fan, Cortland Manor, NY (US);
Yingqiu Jiang, Sunnyvale, CA (US);
Sadeg M. Faris, Pleasantville, NY (US);
Jian-Feng Li, Boulder, CO (US);
Sameer Vartak, Lake Mohegan, NY (US);
Reveo, Inc., Elmsford, NY (US);
Abstract
A light controlling film is disclosed, comprising a polymerized polymer network varying spatially in a direction normal to the film surface, where the polymerized polymer network is a crosslinked high molecular weight polymeric material mixed with a low molecular weight nematic material exhibiting cholesteric liquid crystal (CLC) order, wherein an electric field impressed in the film controls the reflection bandwidth of circularly polarized light.