摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic electroluminescent element having high efficiency, low driving voltage, and excellent durability, and to provide a compound useful for the organic electroluminescent element. <P>SOLUTION: An organic electroluminescent element has a pair of electrodes composed of a positive electrode and a negative electrode and at least one organic layer including a light-emitting layer between the electrodes on a substrate. The light-emitting layer includes at least one kind of phosphorescent material, and at least any one layer of the at least one organic layer includes a specific compound having a dibenzothiophene structure or a dibenzofuran structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |