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:
May. 31, 2005
Filed:
Jun. 18, 2003
Applicants:
Srinivasan Chakrapani, Commack, NY (US);
Steven M. Slovak, Massapequa, NY (US);
Inventors:
Srinivasan Chakrapani, Commack, NY (US);
Steven M. Slovak, Massapequa, NY (US);
Assignee:
Research Frontiers Incorporated, Woodbury, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B026/00 ; G02F001/03 ; C09K019/00 ; H01B003/20 ; C08K000/00 ;
U.S. Cl.
CPC ...
Abstract
A film suitable for use as a light-modulating unit of a suspended particle device (SPD) light valve. The film comprises a siloxane matrix polymer which has a refractive index>1.4630 and has droplets of a liquid light valve suspension distributed within the matrix. The liquid light valve suspension preferably comprises a polyalkyl (meth)acrylate and/or fluorinated (meth)acrylate suspending polymer and optionally may comprise one or more non-polymeric liquids.