公开(公告)号：US20210292645A1

公开(公告)日：2021-09-23

申请号：US17108310

申请日：2020-12-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongwon CHUNG ,  Hyungjun KIM ,  Byunghwa SEO ,  YongChul KIM

IPC: C09K11/66 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an activation layer located between the first electrode and the second electrode and includes an emission layer and an auxiliary layer, wherein the auxiliary layer is located between the first electrode and the emission layer and includes a block copolymer, the block copolymer includes at least one hydrophilic block and at least one hydrophobic block, and the emission layer includes a perovskite structure.

公开(公告)号：US20210002547A1

公开(公告)日：2021-01-07

申请号：US16911606

申请日：2020-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： YongChurl KIM ,  Jongwon CHUNG

IPC: C09K11/06

Abstract: Provided are a luminescent compound represented by Formula 1, a method of preparing the same, and a light-emitting device including the same: [A1nA2(3−n)][B1mB2(2−m)]X5   Formula 1 wherein, in Formula 1, A1, A2, B1, B2, n, m, and X are as defined in the specification.