| 摘要 |
The object of the present invention is to provide an organic EL device capable of preventing current leakage and maintaining a long lifetime, a high luminance, a high efficiency and a high display quality. The object can be achieved by an organic EL element comprising a hole injecting electrode, an electron injecting electrode and at least one organic layer placed between these electrodes, wherein the organic layer has a thickness of at least 100 nm and an electron- or hole-mobility of 0.5-5x10-3 cm2/V.s.
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