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:
Mar. 15, 2022
Filed:
Feb. 05, 2019
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Melanie Klasen-Memmer, Heuchelheim, DE;
Edward Plummer, Frankfurt am Main, DE;
Rocco Fortte, Frankfurt am Main, DE;
Helmut Haensel, Muehltal, DE;
Timo Uebel, Darmstadt, DE;
Tamara Lehmann, Otzberg, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/56 (2006.01); C09K 19/12 (2006.01); C09K 19/04 (2006.01); C09K 19/02 (2006.01); C09K 19/30 (2006.01); C07C 69/54 (2006.01); C07C 69/602 (2006.01); C09K 19/54 (2006.01);
U.S. Cl.
CPC ...
C09K 19/56 (2013.01); C07C 69/54 (2013.01); C07C 69/602 (2013.01); C09K 19/02 (2013.01); C09K 19/04 (2013.01); C09K 19/12 (2013.01); C09K 19/3003 (2013.01); C09K 19/542 (2013.01); C09K 2019/0425 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/125 (2013.01); C09K 2019/548 (2013.01);
Abstract
Liquid-crystalline media (LC media) comprising self-aligning mesogens (self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The self-alignment additives contain five-ring systems. LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional alignment layers are provided.