Toyobo Co., Ltd.

Kazutake Hagiya

Chihaya Adachi

Shiro Hamamoto

Hikaru Tanaka

Atsushi Wakamiya

Masayuki Yokoyama

Using a compound that contains a structure where a carbazol-9-yl group substituted with a perfluoroalkyl group at the 2-position and the 7-position and a structural unit having a positive Hammett constant &#x3c3;(but excluding an aromatic hydrocarbon group) bond to each other directly or via a &#x3c0;-conjugated linking group, wherein at least a part of the carbazol-9-yl group and at least a part of the structural unit having a positive Hammett constant &#x3c3;and, if any, the &#x3c0;-conjugated linking group form a &#x3c0;-electron conjugated system, an organic light emitting device having a high emission efficiency can be provided.

Organic light-emitting element, and light-emitting material and compound for use therein

Provided are: a macromolecular compound for providing an organic semiconductor material exhibiting excellent conversion efficiency; a starting-material compound having high material design freedom; and methods for producing the same. The macromolecular compound according to the present invention comprising a benzobisthiazole structural unit represented by the formula (1): 

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Otsu, Japan

Kazutake Hagiya