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.

Date of Patent:
Apr. 26, 2022

Filed:

Apr. 18, 2019
Applicant:

Merck Patent Gmbh, Darmstadt, DE;

Inventors:

Lars Lietzau, Rossdorf, DE;

Simon Siemianowski, Rossdorf, DE;

Izumi Saito, Darmstadt, DE;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/20 (2006.01); C09K 19/30 (2006.01); C09K 19/38 (2006.01); C09K 19/04 (2006.01); C09K 19/34 (2006.01);
U.S. Cl.
CPC ...
C09K 19/2014 (2013.01); C09K 19/3068 (2013.01); C09K 19/3809 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/3027 (2013.01); C09K 2019/3408 (2013.01);
Abstract

The invention relates to a compound of formula I, wherein R, R, A, A, Z, X, X, Y, Y, Sp, Sp, o and p have one of the meanings as given in claim. The invention further relates to method of production of a compound of formula I, to the use of said compounds in LC media and to LC media comprising one or more compounds of formula I. Further, the invention relates to a method of production of such LC media, to the use of such media in LC devices, and to LC device comprising a LC medium according to the present invention. The present invention further relates to a process for the fabrication such liquid crystal display and to the use of the liquid crystal mixtures according to the invention for the fabrication of such liquid crystal display.


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