| 摘要 |
PROBLEM TO BE SOLVED: To provide a light emitting element with high energy utilization efficiency emitting orange-red colored light with high brightness and high color purity. SOLUTION: The light emitting element, having an organic thin film including a light emitting layer between a positive electrode and a negative electrode and emitting light by electric energy, at least contains the compounds shown by a formula (A) and/or a formula (B). COPYRIGHT: (C)2003,JPO
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