| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent element having a long element life. <P>SOLUTION: The organic electroluminescent element comprises: a pair of electrodes consisting of a positive electrode and a negative electrode at least one of which is transparent or semitransparent; and one or a plurality of organic compound layers which are clamped between the pair of electrodes and at least one of which contains one or more kinds of charge transporting polyester having thiocarbasole as a coupler. <P>COPYRIGHT: (C)2013,JPO&INPIT |
