Samsung Electronics Co., Ltd.

Hwangsuk Kim

Yongsik Jung

Joonghyuk Kim

Sungho Nam

Yeonsook Chung

Hosuk Kang

Eunsuk Kwon

Youngmok Son

Soonok Jeon

Juhyun Kim

Sangmo Kim

Dmitry Androsov

Yusuke Maruyama

Soohwan Sul

Youngmo Sung

Sangyeon Hwang

Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the heterocyclic compound: wherein, in Formula 1, Xis Si or Ge, Ais a group represented by Formula 2, and other substituents are the same as described in the detailed description:

Heterocyclic compound and organic light-emitting device including the same

Disclosed are an organic light-emitting device and an electronic apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer located between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host compound, a first dopant compound, and a second dopant compound, and the second dopant compound is represented by Formula 1,A-(Ar)  Formula 1wherein, in Formula 1, wherein, in Formulae 1 and 1-1, Ar, n11, M, CYto CY, Rto R, and a1 to a5 are the same as described in the specification.

Organic light-emitting device

A heterocyclic compound represented by Formula 1:

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Suwon-si, South Korea

Hwangsuk Kim