Light-emitting device and electronic apparatus including the same

    公开(公告)号:US12302748B2

    公开(公告)日:2025-05-13

    申请号:US17234252

    申请日:2021-04-19

    Abstract: A light-emitting device includes a first electrode, a second electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and an electron auxiliary layer disposed between the second electrode and the emission layer. The emission layer includes a first material, the electron auxiliary layer includes a second material, and the first material and the second material are each independently represented by Formula 1: wherein Formula 1 is defined in the specification. An electronic apparatus including the light-emitting device is also provided.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE

    公开(公告)号:US20220359830A1

    公开(公告)日:2022-11-10

    申请号:US17715248

    申请日:2022-04-07

    Abstract: The present application provides a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and an electron transport layer and an electron injection layer between the emission layer and the second electrode, wherein the electron transport layer includes a mixed layer including a first compound and a second compound, the first compound includes a C14-C60 carbocyclic group, and a triplet energy of the first compound is about 2.0 electron volts or lower, the second compound includes a π electron-depleted nitrogen-containing C1-C60 cyclic group, and a triplet energy of the second compound is about 2.5 electron volts or greater, and the electron injection layer includes a metal halide and a lanthanum-based metal.

Patent Agency Ranking