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. 06, 1992
Filed:
Apr. 01, 1991
Applicant:
Inventors:
Werner E Haas, Webster, NY (US);
Merlin E Scharfe, Penfield, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
359 67 ; 359 71 ; 359 72 ; 359241 ;
Abstract
A light valve comprising a first transparent electrically insulating layer, a first transparent electrically conductive layer, an electro-optic imaging medium layer, a dielectric mirror, a light blocking layer comprising an organic dye or organic pigment, a photoconductor layer comprising selenium, a second transparent electrically conductive layer and a second transparent layer. This light valve may be utilized in systems which include an imaging light source and a read-out light source.