| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel phosphorescence material, particularly a novel triarylboron derivative useful in forming an electron transport layer having a wide gap suitable for a blue phosphorescence material, and an organic electroluminescent device containing the same. SOLUTION: The triarylboron derivative is represented by formula (1), and the organic electroluminescent device contains the same. COPYRIGHT: (C)2007,JPO&INPIT
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