公开(公告)号：US20220149310A1

公开(公告)日：2022-05-12

申请号：US17450820

申请日：2021-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Donghui Lee ,  Chulsoon Lee ,  Haemyeong Lee ,  Wonsuk Han ,  Yoonseok Ka ,  Jiyoung Moon ,  Jihwan Yoon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Yoonhyeung Cho ,  Myungsuk Han

IPC: H01L51/50 ,  H01L27/32

Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers each between two neighboring emission units from among the m emission units, wherein m is an integer of 2 or more, at least one of the m emission units includes an inorganic mixed layer between the first electrode and the emission layer, and the inorganic mixed layer includes an inorganic insulating material and an inorganic semiconductor material.

公开(公告)号：US20210320274A1

公开(公告)日：2021-10-14

申请号：US17226231

申请日：2021-04-09

Applicant: Samsung Display Co., LTD.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee ,  Yoonhyeung Cho

IPC: H01L51/50 ,  H01L27/32

Abstract: 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.