申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP1695952A1
公开(公告)日:2006-08-30
An aromatic compound represented by a following general formula (1), wherein R1 to R14 each independently represents any one selected from a group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 40 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 40 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 40 carbon atoms, a substituted or unsubstituted aryl group having 6 to 40 carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 40 carbon atoms; at least one of R1 to R9 represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms; and at least one of R10 or R14 represents a substituted or unsubstituted aryl group having 6 to 40 carbon atoms. A compound for obtaining an organic EL device having an enhanced efficiency of light emission and a prolonged half lifetime of brightness is provided.
由以下通式(1)代表的芳香族化合物,其中 R1 至 R14 各自独立地代表选自以下组别的任何一个:氢原子、卤素原子、具有 1 至 40 个碳原子的取代或未取代的烷基、具有 2 至 40 个碳原子的取代或未取代的烯基、具有 1 至 40 个碳原子的取代或未取代的烷氧基、具有 6 至 40 个碳原子的取代或未取代的芳基、具有 2 至 40 个碳原子的取代或未取代的炔基; 具有 1 至 40 个碳原子的取代或未取代的烷氧基; 具有 6 至 40 个碳原子的取代或未取代的芳基; 具有 3 至 40 个碳原子的取代或未取代的杂芳基;R1 至 R9 中至少有一个代表具有 6 至 40 个碳原子的取代或未取代芳基;以及 R10 或 R14 中至少有一个代表具有 6 至 40 个碳原子的取代或未取代芳基。本发明提供了一种化合物,用于获得具有更高的发光效率和更长的亮度半衰期的有机 EL 器件。