申请人:Kobayashi Shigeya
公开号:US20100157202A1
公开(公告)日:2010-06-24
A polymer compound which is useful as a light emitting material and a charge transporting material and excellent in electron injection property, comprising as a partial structure therein a structure of the following formula (a) is provided:
(wherein, a ring A and a ring B represent each independently an aromatic ring or a non-aromatic ring, and at least one of the ring A and the ring B is an aromatic ring. A ring C represents an aromatic ring. Z
1
represents an atom selected from a carbon atom, oxygen atom, sulfur atom, nitrogen atom, silicon atom, boron atom, phosphorus atom and selenium atom or a group containing the atom, and Z
2
to Z
6
represent each independently an atom selected from a carbon atom, silicon atom, nitrogen atom and boron atom or a group containing the atom.).