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:
May. 23, 2006
Filed:
Apr. 25, 2002
Antje Mühlfeld, Salzgitter/Ringelheim, DE;
Michael Junge, Pfungstadt, DE;
Harald Hirschmann, Darmstadt, DE;
Sabine Schoen, Herten, DE;
Juliane Suermann, Darmstadt, DE;
Ursula Patwal, Reinheim/Georgenhausen, DE;
Dagmar Zimmermann, Gross-Gerau, DE;
Antje Mühlfeld, Salzgitter/Ringelheim, DE;
Michael Junge, Pfungstadt, DE;
Harald Hirschmann, Darmstadt, DE;
Sabine Schoen, Herten, DE;
Juliane Suermann, Darmstadt, DE;
Ursula Patwal, Reinheim/Georgenhausen, DE;
Dagmar Zimmermann, Gross-Gerau, DE;
Merck Patentgesellschaft Mit Beschrankter Haftung, Berlin, DE;
Abstract
The invention relates to TN and STN liquid-crystal displays and to the nematic liquid-crystal mixtures used therein, characterised in that they comprise one or more compounds of the formula I and one or more compounds of the formula II in which ring A, R, Rand Y are as defined in Claim