Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Hyejin Jung

Seokhwan Hwang

Youngkook Kim

Sanghyun Han

Jungsub Lee

Seokgyu Yoon

Hyosup Shin

Hyunyoung Kim

Jiyoung Lee

Sooyon Kim

Hyojeong Kim

Kunwook Cho

Minsoo Choi

Minje Kim

Youngeun Choi

Youngki Lee

Jongwoo Kim

Hyein Jeong

Jaejin Lyu

Eungdo Kim

Hyeongu Cho

Jino Lim

Mieun Jun

Eung Do Kim

Hyeon Gu Cho

Junha Park

Kwanghyun Kim

Jeonga Oh

Eunjae Jeong

Munki Sim

Eunyoung Lee

Jaeyong Lee

Sungho Kang

Minkyung Kim

Taekyung Kim

Jonghyuk Lee

Hyungseok Jang

Mina Kim

Miehwa Park

Kyeonghwan Kwon

Choong-Bin Kim

Yeonsook Park

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

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 light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a carbazole-based compound represented by Formula 1A or 1B: When the carbazole-based compound represented by Formula 1A or 1B is included in the hole transport layer, an organic light-emitting device may have improved driving voltage, efficiency, luminance, and lifespan characteristics.

Carbazole-based compound and organic light-emitting device including the same

A condensed-cyclic compound and an organic light-emitting device, the condensed-cyclic compound being represented by the following Formula 1:

Condensed-cyclic compound and organic light emitting device including the same

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

Organic light-emitting device and apparatus including the same

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by Formula 4, each as respectively described in the detailed description.

An organic light-emitting device having improved efficiency and lifespan 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, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3:()()&#x2003;&#x2003;Condition-()()&#x2003;&#x2003;Condition-()&#x2265;&#x2003;&#x2003;Condition()&#x2265;&#x2003;&#x2003;Condition

An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a condensed cyclic compound of Formula 1: An organic light-emitting device including the condensed cyclic compound of Formula 1 may have high efficiency, low driving voltage, high luminance, and a long lifespan.

Condensed cyclic compound and organic light-emitting device including the same

A condensed cyclic compound and an organic light-emitting device including the same. The a condensed cyclic compound represented by Formula 1: 

Condensed-cyclic compound and organic light-emitting device including the same

A compound represented by Formula 1, and an organic light-emitting device including the compound represented by Formula 1: When the compound represented by Formula 1 is included in the electron transport layer of an organic light-emitting device, the device may have high efficiency, a lower driving voltage, high luminance, excellent I-V-L characteristics, and/or a long lifespan.

Compound and organic light-emitting device including the same

Provided are a compound represented by Formula 1 and an organic light-emitting device including the same: 

A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same. 

Condensed cyclic compound and an organic light-emitting device including the same

A carbazole-based compound and an organic light-emitting device including the same, wherein the carbazole-based compound is represented by Formula 1: wherein in Formula 1, at least one selected from Rto Rmay be a group represented by Formula 2, and rings A and B are each selected from a phenyl or a naphthyl. When at least one compound represented by Formula 1 is included as a green fluorescent host in an emission layer of an organic light-emitting device, the example OLEDs may have improved efficiencies and longer lifespans compared to the organic light-emitting devices of the related art.

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Yongin-si, South Korea

Hyejin Jung