Sumitomo Chemical Company, Limited

Fumiko Kako

Kazuei Ohuchi

Osamu Goto

Masayuki Soga

A polymer compound is provided for achieving satisfactory brightness even at a low driving voltage when applied to a light-emitting device. A preferred embodiment includes multiple first groups and a block (A) having a structure in which the first groups are linked by a second group represented by formula (0-0), and includes at least one of a group represented by formula (0-1) or a group represented by formula (0-2) as the first group; wherein Arrepresents an optionally substituted arylene group or divalent aromatic heterocyclic group having a structure different from the first group; n represents an average chain length of Arand equals 1.0 to 8.0; and Xto Xand Xto Xeach represent a carbon atom or a nitrogen atom, where two or three of Xto Xare a nitrogen atom and three of Xto Xare a nitrogen atom.

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Tsukuba, Japan

Fumiko Kako