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:
May. 09, 2017

Filed:

May. 22, 2015
Applicant:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Inventors:

Noriyuki Hida, Osaka, JP;

Haruki Okawa, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/54 (2006.01); C09K 19/60 (2006.01); C07C 245/08 (2006.01); H01L 51/00 (2006.01); G02F 1/1335 (2006.01); H01L 51/52 (2006.01); C09K 19/20 (2006.01); G02B 5/30 (2006.01); C07D 513/04 (2006.01); C07D 295/135 (2006.01); C09D 7/12 (2006.01); C07D 495/04 (2006.01); C07D 295/04 (2006.01); C09D 4/00 (2006.01); C08F 220/18 (2006.01);
U.S. Cl.
CPC ...
C09K 19/601 (2013.01); C07C 245/08 (2013.01); C07D 295/04 (2013.01); C07D 295/135 (2013.01); C07D 495/04 (2013.01); C07D 513/04 (2013.01); C09D 7/12 (2013.01); C09K 19/2007 (2013.01); G02B 5/30 (2013.01); G02B 5/305 (2013.01); G02B 5/3083 (2013.01); G02F 1/133514 (2013.01); G02F 1/133528 (2013.01); H01L 51/005 (2013.01); H01L 51/0035 (2013.01); H01L 51/5281 (2013.01); C08F 220/18 (2013.01); C09D 4/00 (2013.01); C09K 2019/2035 (2013.01);
Abstract

Provided is a composition that can form a polarizing film with high dichroic ratio, which contains a compound having a function as a dichroic dye and having a local maximum absorption in a wavelength range of 350 to 550 nm. The composition contains a compound represented by the formula (1) and a polymerizable liquid crystal compound: wherein Y represents a group represented by the formula (Y1) or the formula (Y2)


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