| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic EL element regulated with a light-emitting wavelength, showing a high light-emitting efficiency and also having a long light-emitting life, and an organic EL element, a lighting device and displaying device by using the same. SOLUTION: This organic electroluminescent element material is characterized by containing at least 1 kind of an ortho metal complex of tetravalent platinum having a partial structure expressed by general formula (1). COPYRIGHT: (C)2007,JPO&INPIT
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