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:
Oct. 09, 2001
Filed:
May. 24, 2000
Applicant:
Inventors:
Srinivasan Chakrapani, Huntington, NY (US);
Steven M. Slovak, N. Massapequa, NY (US);
Assignee:
Research Frontiers Incorporated, Woodbury, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/600 ;
U.S. Cl.
CPC ...
G02B 2/600 ;
Abstract
A film suitable for use as the light-modulating unit of a light valve, is disclosed. The film comprises a cross-linked polymer matrix having droplets of a liquid light valve suspension distributed in the cross-linked polymer matrix. The polymer matrix, prior to cross-linking, comprises a polymer having a Brookfield viscosity of at least 2000 CPs.