Samsung Display Co., Ltd.

Sungkyunkwan University

Industry-academic Cooperation Foundation Gyeongsang National University

Seoul National University

Duk San Neolux Co., Ltd.

Samsung Displayco., Ltd.

Sfc Co., Ltd.

Doosan Corporation

Hwan-Hee Cho

Chang-Woong Chu

Myeong-Suk Kim

Se-Hun Kim

Mi-Kyung Kim

Sung-Wook Kim

Dong-Hyun Kim

Jae-Yong Lee

Kwan-Hee Lee

Sam-Il Kho

Jin-Soo Hwang

Hee-Yeon Kim

Hye-In Jeong

Yun-Hi Kim

Soon-Ki Kwon

Seung-Soo Yoon

Seul-Ong Kim

Tsuyoshi Naijo

Dae-Yup Shin

Jong-In Hong

Sung-Soo Bae

Hyoung-Kun Kim

Yun-Ji Lee

Young-Ho Park

Moon-Jae Lee

Jae-Hyun Kwak

Ji-Hyun Seo

Tae-Kyung Kim

Myoung-Ki Kim

Bum-Sung Lee

Jung-Hwan Park

Sang-Woo Lee

Naoyuki Ito

Dong-hyun Kim

Tae-Hyung Kim

Jung-Sub Lee

Seung-Gak Yang

Young-Bae Kim

Youn-Sun Kim

Bong-Ki Shin

Changwoong Chu

Ho-Cheol Park

Kyung-Hwa Park

Seong-Jin Jeong

Bu-Bae Park

Chang-Jun Lee

Hoe-Moon Kim

Ji-Hee Park

Eun-Hwa Jang

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 emission layer includes a first material represented by Formula 1 and a second material represented by any one of Formulae 2-1 to 2-5, and the hole transport region includes a third material represented by Formula 3. The organic light-emitting device may have high efficiency and a long lifespan.

Organic light-emitting device

An organic light-emitting device including: a first electrode; a second electrode; and an organic layer including an emission layer between the first electrode and the second electrode. The organic layer may include at least one compound selected from a first compound and a second compound, in addition to a third compound. The first compound is represented by one selected from Formulae 1-1 and 1-2, the second compound is represented by Formula 2, and the third compound is represented by one selected from Formulae 3-1A and 3-2A:

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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

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 first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8:+0.15 electron volts (eV)  Equation 1+0.15 eV  Equation 2  Equation 3  Equation 4  Equation 5+0.1 eV  Equation 6−5.6 eV≥  Equation 7.  Equation 8

An 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, and the emission layer includes at least one light-emitting material represented by one of Formulas 1 and 2. The organic layer further includes at least one hole-transporting material represented by one of Formulas 2(1) and 2(2).

Organic light-emitting devices

An organic light-emitting device is provided. The device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode and including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. Various possibilities for the constituents of chemical structures in Formulas 1 and 2 are presented.

A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The Aring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.

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

According to one or more embodiments, an 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 including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:

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 first compound represented by Formula 1 and a second compound represented by Formula 501. The organic light-emitting device including the first compound and the second compound may have low driving voltage, high efficiency, and high luminance.

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 first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8:+0.15 electron volts (eV)&#x2003;&#x2003;Equation 1+0.15 eV&#x2003;&#x2003;Equation 2&#x2003;&#x2003;Equation 3&#x2003;&#x2003;Equation 4&#x2003;&#x2003;Equation 5+0.1 eV&#x2003;&#x2003;Equation 6&#x2212;5.6 eV&#x2265;&#x2003;&#x2003;Equation 7.&#x2003;&#x2003;Equation 8

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, the emission layer including a first compound and a second compound; a hole transport region between the first electrode and the emission layer; and an electron transport region, the electron transport region including a buffer layer between the emission layer and the second electrode, the buffer layer including a third compound, and an electron transport layer between the buffer layer and the second electrode, the electron transport layer including a fourth compound, wherein, in the emission layer, the first compound is a phosphorescent host and the second compound is a phosphorescent dopant, wherein the first compound and the third compound are different from each other, wherein the first compound and the third compound each independently include both an electron transport group and a hole transport group.

An organic light-emitting device including a first compound represented by Formula 1 and a second compound represented by one of Formulae 2A and 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, and a hole transport region between the first electrode and the emission layer. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2: 

Organic light-emitting device and electronic apparatus including the same

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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region. 

According to one or more embodiments, 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 may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2: 

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Hwan-Hee Cho