ORGANIC LIGHT-EMITTING DIODE AND DISPLAY APPARATUS INCLUDING THE SAME

    公开(公告)号:US20220209157A1

    公开(公告)日:2022-06-30

    申请号:US17483675

    申请日:2021-09-23

    IPC分类号: H01L51/50 H01L27/32

    摘要: A display apparatus including a pixel electrode disposed on a substrate, an opposite electrode disposed to face the pixel electrode, a first emission layer and a second emission layer disposed on the first emission layer and overlapping each other between the pixel electrode and the opposite electrode, and a charge generation layer disposed between the first emission layer and the second emission layer, in which the charge generation layer includes an n-type charge generation layer, a p-type charge generation layer, and a metal interlayer disposed between the n-type charge generation layer and the p-type charge generation layer, and the metal interlayer includes metal having a work function of about −6.0 eV to about −3.5 eV.

    LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME

    公开(公告)号:US20210320274A1

    公开(公告)日:2021-10-14

    申请号:US17226231

    申请日:2021-04-09

    IPC分类号: H01L51/50 H01L27/32

    摘要: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.