| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an organic light emitting element having light output which is extremely highly efficient and high-luminance by using a fluorene compound having substituent(s). <P>SOLUTION: In the organic light emitting element, at least one layer of organic compound layers comprises a first compound and a second compound, and the first compound is a fluorene compound represented by general formula [III] and the second compound is a compound represented by general formula [IV]. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
