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:
Sep. 21, 1976
Filed:
Nov. 12, 1973
Applicant:
Inventors:
Chan Soo Oh, Diamond Bar, CA (US);
Paul Y Hsieh, Irvine, CA (US);
Assignee:
Timex Corporation, Waterbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
3501 / ; 252299 ; 252408 ;
Abstract
An electro-optical display, utilizing the field effect display, includes a thin layer of liquid crystal material positioned between two plates having electrically conductive segments. The material is a mixture of a selected stilbene, such as trans-4-n-butyl-alpha-chloro-4'-ethoxystilbene and a selected substituted benzylideneaminobenzonitrile, such as p-ethoxy-benzylidene-p'-aminobenzonitrile.
Oh, Chan. (1976). Liquid crystal electro-optical display (U.S. Patent No. 3981558). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3981558
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile