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:
Jan. 10, 1978
Filed:
Apr. 02, 1976
Applicant:
Inventors:
Jiri Dlouhy, Magenwil, CH;
Hans-Rudolf Zeller, Birr, CH;
Assignee:
BBC Brown Boveri & Company Limited, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ;
Abstract
An improved electrochromic display device and a method of manufacturing it are disclosed. The improved device includes at least one layer of light absorbing and/or light reflecting fabric as a contrast enhancing adjuvant in the electrolyte of the device. According to the method of the invention a transparent support, at least one layer of fabric and a counter-electrode are assembled in laminated form and sealed together by an adhesive applied at the edges of the assembled structure.
Dlouhy, Jiri. (1978). Electrochromic display device with a contrast-enhancing adjuvant and (U.S. Patent No. 4067644). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4067644
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile