| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element the durability of which in long-time drive is improved. SOLUTION: The organic electromuninescent element includes an organic compound layer sandwiched between at least a pair of electrodes. An amount of Pd contained in the organic compound layer is 1 ppm or less, and an amount of P is 0.5 ppm or less. COPYRIGHT: (C)2011,JPO&INPIT
|
