Light-emitting element, light-emitting device, and electronic device

作者: Tsunenori Suzuki , Satoshi Seo , Ryoji Nomura

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摘要: The light-emitting element of the present invention includes a layer and for controlling movement carriers between pair electrodes. first organic compound having carrier transporting property second reducing compound, is dispersed in compound. provided such manner, whereby change balance with time can be suppressed. Therefore, long lifetime obtained.