ORGANIC LIGHT-EMITTING DEVICE
    3.
    发明申请

    公开(公告)号:US20170125691A1

    公开(公告)日:2017-05-04

    申请号:US15268412

    申请日:2016-09-16

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer comprises a first compound and a second compound. The organic light-emitting device may have high efficiency and long lifespan.

    Organic light-emitting device
    7.
    发明授权

    公开(公告)号:US11043646B2

    公开(公告)日:2021-06-22

    申请号:US15134956

    申请日:2016-04-21

    Abstract: An organic light-emitting device including: a first electrode, a hole transport region including a first hole transport layer (HTL), an emission layer, an electron transport region; and a second electrode; wherein the first HTL includes a first compound and a second compound, the emission layer includes a third compound and a fourth compound, the electron affinity of the second compound is greater than the electron affinity of the first compound, a lowest unoccupied molecular orbital (LUMO) energy level of the fourth compound is greater than a LUMO energy level of the third compound, the second compound and the third compound are different from each other, and the minimum anionic dissociation energy of the second compound is greater than the triplet energy of the third compound.

    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME

    公开(公告)号:US20210184135A1

    公开(公告)日:2021-06-17

    申请号:US16987332

    申请日:2020-08-06

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, the organic layer having a first emission layer, a second emission layer disposed between the first emission layer and the second electrode, and at least one auxiliary layer, having a first host or a second host, the first emission layer may include a first host, a second host, and a first dopant; and the second emission layer may include a first host, a second host, and a second dopant; wherein the first host is a hole transport host, and the second host may include at least one of an electron transport host and a bipolar host; the first dopant and the second dopant, each may include, independently from one another, at least one of a phosphorescent organometallic compound and a thermally activated delayed fluorescence (“TADF”) compound satisfying Equation 1 as defined herein.

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