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:
Jul. 09, 2002
Filed:
Oct. 27, 2000
Srinivasan Chakrapani, Commack, NY (US);
Steven M. Slovak, Massapequa, NY (US);
Robert L. Saxe, New York, NY (US);
Barry Fanning, Patchogue, NY (US);
Research Frontiers Incorporated, Woodbury, NY (US);
Abstract
A film suitable for use as the light-modulating unit of an SPD light valve, the film comprising a cross-linked polymer matrix and having droplets of a liquid light valve suspension distributed in the cross-linked polymer matrix, the liquid light valve suspension comprising particles suspended in a liquid suspending medium, wherein the matrix and the droplets each have a refractive index within a range of from about 1.455 to 1.463 and wherein the refractive index of the droplet and the matrix components of the film are preferably matched as closely as possible within RI 0.005 of each other.