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:
Aug. 12, 2003
Filed:
Jun. 12, 2001
Applicant:
Inventor:
Robert L. Saxe, New York, NY (US);
Assignee:
Research Frontiers Incorporated, Woodbury, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/600 ; G02B 5/02 ;
U.S. Cl.
CPC ...
G02B 2/600 ; G02B 5/02 ;
Abstract
An electro-optical device including a cell formed of opposed cell walls, a light modulating unit comprising a suspension containing anisometrically-shaped particles formed of a heat-reflective mixed metal oxide, e.g., bismuth manganese oxide, suspended in a liquid suspending medium between the cell walls, and opposed electrodes operatively associated with the cell walls for applying an electrical field across the suspension, wherein the particles have an average length in a range between about 1 micron and about 50 nanometers.