| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent device in which emission efficiency, emission lifetime and manufacturability are improved. SOLUTION: The organic electroluminescent device 10 comprises a function layer 7 including a hole block layer 6 and a light-emitting layer 5, and a first electrode 3 and a second electrode 8 for applying a voltage to the function layer 7 wherein the hole block layer 6 contains a copolymer of vinyl pyridine monomer, and vinyl monomer including an electron transportation unit contained in a light-emitting layer. COPYRIGHT: (C)2008,JPO&INPIT
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