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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.:

US 11332670 B1

PDFFull Text
Date of Patent:
May. 17, 2022

Filed:

Jun. 14, 2017

Side-chain liquid crystal polymer, liquid crystal composition, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device

Applicant:

Dai Nippon Printing Co., Ltd., Tokyo-to, JP;

Inventors:

Ken-ichi Okuyama, Tokyo-to, JP;

Kiyohiro Takachi, Tokyo-to, JP;

Shunsuke Irie, Tokyo-to, JP;

Mami Motooka, Tokyo-to, JP;

Terutaka Takahashi, Tokyo-to, JP;

Assignee:

DAI NIPPON PRINTING CO., LTD., Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Chanceity N Robinson

Int. Cl.
CPC ...
C09K 19/54 (2006.01); C09K 19/38 (2006.01); C08F 220/12 (2006.01); G02B 5/30 (2006.01); C08F 222/10 (2006.01); G02B 1/08 (2006.01); H01L 51/00 (2006.01); H01L 51/52 (2006.01); C09K 19/04 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3852 (2013.01); C08F 220/12 (2013.01); C08F 222/1025 (2020.02); C09K 19/54 (2013.01); G02B 1/08 (2013.01); G02B 5/3016 (2013.01); G02B 5/3033 (2013.01); G02B 5/3083 (2013.01); H01L 51/004 (2013.01); H01L 51/0076 (2013.01); H01L 51/5281 (2013.01); C08F 2800/20 (2013.01); C09K 2019/0448 (2013.01); H01L 51/56 (2013.01); H01L 2251/5338 (2013.01); H01L 2251/558 (2013.01);
Abstract

A side-chain liquid crystal polymer including two or more kinds of constitutional units represented by the following general formula (I) and a liquid crystal constitutional unit which contains a side chain including a liquid crystal moiety, where the two or more kinds of constitutional units represented by the general formula (I) include a constitutional unit (a) represented by the general formula (I) and a constitutional unit (b) which is represented by the general formula (I) and is different from the constitutional unit (a) in carbon atom number of a linking group represented by Lor L. The general formula (I) is:

Find Patent Forward Citations

Okuyama, Ken-ichi. (2022). Side-chain liquid crystal polymer, liquid crystal composition, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device (U.S. Patent No. 11332670). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11332670

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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