| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved organic light emitting device for the expectation of consumers for better efficiency, longer life, and pure color. SOLUTION: In the organic light emitting device (OLED), binaphthalene or biquinoline derivative is used for the luminous layer and/or one or more charge transport layers, or as a host or a dopant matter for one or more of such layers. COPYRIGHT: (C)2004,JPO&NCIPI
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