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. 29, 1980
Filed:
Sep. 15, 1978
Applicant:
Inventors:
Marshall Leibowitz, Ridgefield, CT (US);
Alan Willis, Stamford, CT (US);
Douglas George, Waterbury, CT (US);
Assignee:
Timex Corporation, Waterbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350357 ;
Abstract
A plurality of self-luminous light sources, each preferably comprising a transparent shell, a radioactive material encapsulated in the shell, and a radioluminescent material coated on the shell, are incorporated in the ion-conducting layer of an electrochromic display at selected locations behind the image-forming electrochromic segments to provide sufficient back lighting for enhanced night viewability of the display elements.