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:
Feb. 01, 1983
Filed:
May. 29, 1981
Applicant:
Inventor:
Margie M Nicholson, San Marino, CA (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350357 ; 2524081 ; 252600 ;
Abstract
An electrochromic display utilizing a rare-earth diphthalocyanine complex as the electrochromic material and a low-freezing-point aqueous solution of a metal chloride as the electrolyte is disclosed. Displayed information can be switched in less than 50 milliseconds. The display has multicolor and color reversal capabilities even at very low temperatures.