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:
Jan. 07, 2025
Filed:
May. 23, 2023
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Sven Christian Laut, Darmstadt, DE;
Tzu-Huan Tseng, Taipei, TW;
Kuang-Ting Chou, Taipei, TW;
Chi-Shun Huang, Taipei, TW;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/06 (2006.01); C09K 19/12 (2006.01); C09K 19/30 (2006.01); C09K 19/54 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3003 (2013.01); C09K 19/063 (2013.01); C09K 19/12 (2013.01); C09K 19/3048 (2013.01); C09K 19/3066 (2013.01); C09K 19/3098 (2013.01); C09K 19/54 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3053 (2013.01); C09K 2019/3054 (2013.01); C09K 2019/3096 (2013.01);
Abstract
A liquid-crystal (LC) medium which is based on a mixture of polar compounds and is substantially dielectrically neutral, its use for optical, electro-optical and electronic purposes, in particular as optical retarder or optical compensator in LC displays, an optical retarder or optical compensator containing the LC medium, an optical, electrooptical or electronic device containing the optical retarder or optical compensator, and a process of manufacturing the optical retarder or optical compensator.