| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polymer compound which can provide a light-emitting element having good luminous efficiency (that is, luminous brightness per current) when used for a hole transporting layer. <P>SOLUTION: The polymer compound has a repeating unit expressed by formula (1) (wherein, R<SP>1</SP>represents a substituent; Q<SP>1</SP>and Q<SP>2</SP>, which may be identical or different, represent groups containing benzocyclobutane structures; a is an integer of 0-3; and R<SP>1</SP>may be identical or different when a plurality of R<SP>1</SP>'s exists). <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
