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. 24, 2023
Filed:
Feb. 27, 2018
Applicant:
Rolic Technologies Ag, Allschwil, CH;
Inventors:
Jean-Francois Eckert, Kientzville, FR;
I. -E. Sophie Blattmann, Muttenz, CH;
Yuichiro Yamada, Nagoya, JP;
Masato Hoshino, Basel, CH;
Qian Tang, Oberwil, CH;
Assignee:
ROLIC TECHNOLOGIES AG, Allschwil, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133788 (2013.01); G02F 1/133723 (2013.01); C09K 2323/027 (2020.08);
Abstract
The present invention relates to a photoalignment composition for the alignment of liquid crystals and the stabilization of the pre-tilt angle in liquid crystal layers. Further the present invention relates to the liquid crystal alignment film and coating layer prepared from the said composition and the use to fabricate optical and electrooptical elements and devices.