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. 22, 1997
Filed:
Jan. 13, 1995
Applicant:
Inventors:
Robert L Saxe, New York, NY (US);
Robert I Thompson, Plainview, NY (US);
Matthew Forlini, Ozone Park, NY (US);
Assignee:
Research Frontiers Incorporated, Woodbury, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359296 ;
Abstract
An electro-optical device, such as a light valve, has a cell formed of opposed cell walls, a light-modulating unit comprising a suspension containing anisometric particles 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, the anisometrically shaped particles having an average particle size of about 0.1 microns or less.