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:
Nov. 09, 1982
Filed:
May. 07, 1980
Applicant:
Inventors:
Herrmann Schubert, Nehlitz, DD;
Dietrich Demus, Halle, DD;
Horst Zaschke, Halle, DD;
Frank Kuschel, Halle, DD;
Gerhard Pelzl, Halle, DD;
Hans-Ulrich Nothnikz, Hoyerswerda, DD;
Willibald Schliemann, Halle, DD;
Assignee:
Veb Werk fur Fernsehelektronik im Veb Kombinat Mikroelektronik, Berlin-Oberschoneweide, DD;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; C07D / ;
U.S. Cl.
CPC ...
544179 ; 2522991 ; 25229961 ; 350349 ; 3503 / ;
Abstract
A nematic liquid crystal compound adapted for the modulation of the transmitted or incident light and reproduction in color of numerals, symbols and images by electro-optical devices, the said compound having the formula ##STR1## wherein R.sup.1 .dbd.Br--, Cl--, C.sub.n H.sub.2n+1 --, C.sub.n H.sub.2n+1 O--, n being 1 to 10,