A light emitting element, wherein an intermediate layer comprises a hole transport layer and an electron transport layer, a light emitting layer comprises an electron-transporting host compound and a dopant, a hole mobility of the hole transport layer is greater than 1x10^-4 cm^2/Vs, an electron mobility of the electron transport layer is greater than 1x10^-5 cm^2/Vs, and an electron mobility of the electron-transporting host compound is less than 1x10^-8 cm^2/Vs. Therefore, the present invention is capable of showing a result wherein a lifespan is improved.
중간층이 정공 수송층 및 전자 수송층을 포함하고, 발광층이 전자 수송성 호스트 화합물 및 도펀트를 포함하고, 상기 정공 수송층의 정공 이동도가 1x10-4cm2/Vs 초과이고, 상기 전자 수송층의 전자 이동도가 1x10-5cm2/Vs 초과이며, 상기 전자 수송성 호스트 화합물의 전자 이동도가 1x10-8cm2/Vs 미만인, 발광 소자.
Light emitting device and electronic apparatus comprising same
발광 소자 및 이를 포함하는 전자 장치
2024-01-08
Patent
Electronic Resource
Korean
IPC: | H10K |
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