| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent element having a long element service life. <P>SOLUTION: The organic electroluminescent element comprises: a pair of electrodes composed of an anode and a cathode, at least one of which is transparent or translucent; and one or a plurality of organic compound layers which are held between the pair of electrodes and at least one of which contains one or more kinds of charge-transporting polyesters represented by the following general formula (I), which contain a diarylamine structure bonded with a thiophene chain of a specific structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
