LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230114654A1

    公开(公告)日:2023-04-13

    申请号:US17880593

    申请日:2022-08-03

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the first electrode includes an inorganic material, the inorganic material includes a metal oxide having, as a main component, at least one metal selected from W, Mo, Ga, Ni, Cu, Zn, and Ti, the interlayer further includes a hole transport region located between the first electrode and the emission layer, the hole transport region includes a hole transport layer, and the hole transport layer includes at least one condensed cyclic compound represented by Formula 1:

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230084176A1

    公开(公告)日:2023-03-16

    申请号:US17858953

    申请日:2022-07-06

    Abstract: A light-emitting device and an electronic apparatus including the light-emitting device, in which the light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the interlayer further includes a hole transport region between the first electrode and the emission layer, the first electrode includes a metal oxide having a work function of 5.3 eV or more, and the hole transport region includes a heterocyclic compound represented by Formula 1: wherein the detailed description of Formula 1 is the same as described in the present specification.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20220255011A1

    公开(公告)日:2022-08-11

    申请号:US17544832

    申请日:2021-12-07

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a hole injection layer and a hole transport layer, sequentially arranged between the first electrode and the emission layer, the first electrode includes aluminum, an alloy including aluminum, or any combination thereof, the hole injection layer consists of a first inorganic material as described herein, and an absolute value of a work function of the first inorganic material is greater than or equal to an absolute value of a HOMO energy level of the hole transport layer, and the hole transport region excludes a p-dopant.

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