Samsung Display Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Korea Advanced Institute of Science and Technology

Industry-Academic Cooperation Foundation Gyeongsang National University

Jungsub Lee

Seulong Kim

Younsun Kim

Dongwoo Shin

Naoyuki Ito

Jino Lim

Hyein Jeong

Jiyoung Lee

Hyojeong Kim

Hyunyoung Kim

Minje Kim

Seokgyu Yoon

Hyosup Shin

Kunwook Cho

Youngki Lee

Hyejin Jung

Minsoo Choi

Youngeun Choi

Jaejin Lyu

Taekyung Kim

Eungdo Kim

Hyeongu Cho

Eung Do Kim

Jinsoo Hwang

Hyeon Gu Cho

Daeyup Shin

Yoonkyoo Lee

Hyun Eok Shin

Jinwon Sun

Hye Jeong Park

Tsuyoshi Naijo

Sunwoo Kang

Yun-Hi Kim

Jin-Won Sun

Soon-Ki Kwon

Changwoong Chu

Yun-hi Kim

Soon-ki Kwon

Jihyun Seo

Hyejeong Park

Miehwa Park

Yunho Lee

Jaeyoung Hwang

Yeong-Eun Kim

Yeonhee Ha

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.

Organic electroluminescence device

A light-emitting device including a heterocyclic compound represented by Formula 1 and a phosphorescent dopant, and an electronic apparatus including the light-emitting device are provided. Formula 1 is the same as described in the present specification. 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 the heterocyclic compound represented by Formula 1

Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device

A heterocyclic compound that may be included in a light emitting device is of Formula 1: wherein, in Formula 1, the variables are defined herein.

Heterocyclic compound, a light-emitting device including the same, and an electronic apparatus including the light-emitting device

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:

Light-emitting device and electronic apparatus including the same

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer having a first layer, and the first layer includes a first compound, a second compound, and a third compound. The first compound is a hole transporting host compound, the second compound is an electron transporting host compound, and the third compound is a hole transporting host compound or an electron transporting host compound. The first compound and the second compound form a first exciplex, and the first compound and the third compound, or the second compound and the third compound form a second exciplex, where the first exciplex and the second exciplex are different from each other.

Organic light-emitting device including a first exciplex and a second exciplex in an emission layer

A light-emitting device and an electronic apparatus including the same are provided.

The disclosure relates to a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode and including an emission layer. The interlayer includes a first compound represented by Formula 1 of the specification, a second compound represented by Formula 2 of the specification, and a third compound, which is a blue phosphorescent compound. The disclosure also relates to an electronic apparatus including the light-emitting device.

Light-emitting device and electronic apparatus including the light-emitting device

A light emitting device of an embodiment includes a first electrode oppositely disposed to a second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:

Light emitting device

An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4: Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.

An organic electroluminescence device includes: a first electrode; a second electrode facing the first electrode; and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound represented by Formula 3, wherein Formulae 1-3 are defined herein.

Organic electroluminescence device and organometallic compound for organic electroluminescence device

An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *═N—*′ as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:

Organic light-emitting device

An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:

An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound and a third compound, and the electron transport region includes a fourth compound and a fifth compound. An organic light-emitting device according to the one or more embodiments may have high efficiency and long lifespan.

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Yongin-si, South Korea

Jungsub Lee