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:
May. 28, 2019
Filed:
Aug. 19, 2015
Sumitomo Chemical Company, Limited, Chuo-ku, Tokyo, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
Provided is a polymer compound useful for production of a light emitting device excellent in external quantum yield. The polymer compound includes a constitutional unit represented by the formula (1): wherein aand arepresent 0 or 1, Arand Arrepresent an arylene group or the like, and in each of Arand Arat least one atom adjacent to an atom forming a bond to the constitutional unit adjacent to the each of Arand Arhas an alkyl group or the like as a substituent, Arrepresents a phenylene group, Arrepresents an arylene group or the like, R, Rand Rrepresent an aryl group or the like, and when ais 0, Rrepresents an aryl group in which two or more rings are condensed (the number of carbon atoms constituting the rings of the aryl group is 10 or more) or the like.