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Organic electroluminescent device comprising two-dimensional emissive layer

專利號
US12052918B2
公開日期
2024-07-30
申請人
The Regents of the University of Michigan
發(fā)明人
Stephen R. Forrest; Jongchan Kim; Siwei Zhang
IPC分類
H10K85/60; H10K50/11; H10K50/15; H10K50/16
技術(shù)領(lǐng)域
in,mws2,layer,monolayer,organic,ws2,emissive,transition,nm,doi.org
地域： MI MI Ann Arbor

摘要

An organic light emitting device comprises an anode and a cathode, at least one organic layer configured between the anode and the cathode, and at least one two-dimensional emissive layer configured between the anode and the cathode. A method of fabricating an organic light emitting device is also disclosed.

說明書

In one embodiment, the passivation layer comprises charged polarons. In one embodiment, the passivation layer comprises polaron pairs formed from the acceptor molecule and the donor molecule. In one embodiment, the passivation layer comprises radical cations of the donor molecule and partially-reduced donor material.

In some embodiments, a device as disclosed herein may comprise an emissive layer having an emissive material and optionally a host material, wherein the host material may in some embodiments comprise CBP. In one embodiment, the host material may comprise mCBP or any other host material that is optically transparent in the emission zone of the emissive material. In one embodiment, the emissive layer is positioned in an organic host material such that the emissive layer, which may be an inorganic emissive layer, emits the light. In some embodiments, the host has an energy gap wider than the bandgap of the emissive layer.

權(quán)利要求

1
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