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:
Dec. 05, 1995
Filed:
Sep. 27, 1990
Parviz Soltan, San Diego, CA (US);
Thomas Phillips, San Diego, CA (US);
Waldo R Robinson, San Diego, CA (US);
John Marez, San Diego, CA (US);
Randy Wyatt, Lake Forest, CA (US);
Margie M Nicholson, San Marino, CA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
An apparatus for displaying a multi-color pattern within a single device is shown and described. The apparatus utilizes an electrochromic light valve which comprises electrodes that cover a photoconductive layer and a two-dimensional plurality of electrochromic pixels. An insulating grid defines the electrochromic pixels in the multi-color display. Each electrochromic pixel has a conductive mirror onto which the electrochromic material is deposited. The electrochromic material and grid structure are covered by an electrolyte solution. Color selection for a given pixel is effected by applying a voltage pulse of controlled amplitude synchronized with a laser beam which illuminates the photoconductor associated with the addressed electrochromic pixel. The voltage applied when the laser beam addresses an electrochromic pixel determines the color of the pixel.