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:
Jun. 23, 2026
Filed:
Sep. 08, 2020
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Stephen Mulcahy, Southampton, GB;
Eduardo Beltran Gracia, Southampton, GB;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/20 (2006.01); C09K 19/58 (2006.01); C09K 19/04 (2006.01); C09K 19/12 (2006.01);
U.S. Cl.
CPC ...
C09K 19/588 (2013.01); C09K 19/20 (2013.01); G02F 1/133365 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/0481 (2013.01); C09K 2019/122 (2013.01);
Abstract
The present invention relates to a cholesteric liquid crystalline (LC) medium for aolymer-etworkiquidrystalline (PNLC) light modulation element, to a method of its production and to the use of such cholesteric LC media in PNLC light modulation elements. Furthermore, the present invention relates to PNLC light modulation elements, as such, to a method of their production, to the use of such light modulation elements in optic or electro optic devices, in particular in LC displays, and to optic or electro optic devices comprising such light modulation elements according to the present invention.