| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a 2-aminocarbazole compound suitable for a hole transport material of an organic EL element, and to provide an organic EL element which uses the aminocarbazole compound and is excellent in driving voltage, luminous efficiency, and element life.SOLUTION: The 2-aminocarbazole compound is represented by the following formula. (One of Rto Ris a 4-dibenzothienyl group, a 4-dibenzofuranyl group, or a 9-phenanthryl group, and the others are each H. Arand Arare each independently a C6-18 aromatic hydrocarbon group which may have a methyl group or a methoxy group.)</p> |
