Samsung Display Co., Ltd.

Seoul National University

Industry-academic Cooperation Foundation Gyeongsang National University

Lapto Co., Ltd.

Samsung Displayco., Ltd.

Merck Patent Gmbh

University-industry Cooperation Group of Kyung Hee University

Hyein Jeong

Jungsub Lee

Seulong Kim

Younsun Kim

Dongwoo Shin

Jino Lim

Jaeweon Hur

Tsuyoshi Naijo

Seokgyu Yoon

Sungwook Kim

Jinsoo Hwang

Hyewon Choi

Sehun Kim

Kyungsik Kim

Sungsoo Bae

Dongchan Lee

Sooyoung Park

Naoyuki Ito

Hyojeong Kim

Seungjin Chu

Chihyun Ryoo

Mikyung Kim

Hyejin Jung

Hyosup Shin

Hyunyoung Kim

Jiyoung Lee

Kunwook Cho

Minje Kim

Minsoo Choi

Seung-Jin Chu

Youngki Lee

Youngeun Choi

SeulOng Kim

Soungwook Kim

Juwan Maeng

Eung Do Kim

Hyeon Gu Cho

Sung-Soo Bae

Yunhi Kim

Illhun Cho

Heeyeon Kim

Hye Jeong Park

Munsoo Kim

Junghoon Yang

Sung-soo Bae

Jieon Kwon

Sunyoung Lee

Philipp Stoessel

Holger Heil

Arne Buesing

Yoonhyun Kwak

Kwanhee Lee

Frank Voges

Constanze Brocke

Jaeyong Lee

Changhee Lee

Jaejin Lyu

Taekyung Kim

Eungdo Kim

Yun-Hi Kim

Daeyup Shin

Dawoon Kim

Soon-Ki Kwon

Ju-Kon Kim

Changwoong Chu

Sukhoon Kang

Jihyun Seo

Hyeongu Cho

Hyejeong Park

Miehwa Park

Soonki Kwon

Samil Kho

Jungmin Kang

Eu-gene Oh

Kap-jong Han

Jongseok Han

Seyoung Jung

Jaeyoung Hwang

Hyoungkun Kim

Youn Shic Kim

Jae Sung Shim

Namho Kim

JangHyuk Kwon

Seongjin Jeong

Samil Khol

Hwanhee Cho

Gyuri Kim

Hyejeong Kim

Yongpil Park

Jeunghun Yoon

Juyoung Lee

Daehyun Ahn

Siwoo Kim

Jisu Moon

Eu Gene Oh

Kap Jong Han

Mi Eun Jun

Youheon Kim

Eu-Gene Oh

Seongjong Park

An organic luminescence device includes a polycyclic compound represented by Formula 1 in at least one functional layer between a first electrode and a second electrode, wherein in Formula 1, X is O, S, Se, CRR, SiRR, or and at least one selected from Land Aris an electron withdrawing group having a Hammett constant greater than 0:

Luminescence device and polycyclic compound for luminescence device

A 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 a capping layer disposed on the second electrode, wherein the interlayer further includes an electron transport region between the emission layer and the second electrode, the capping layer includes at least one first material represented by Formula 1 or Formula 2, and the electron transport region satisfies at least one of Condition (1) and Condition (2), as defined herein.

Light-emitting device and an electronic apparatus including the same

A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode and a hole transport region between the first electrode and the emission layer, wherein the emission layer may include a dopant, the hole transport region may include a first hole transport layer, a second hole transport layer between the first hole transport layer and the emission layer, and a third hole transport layer between the second hole transport layer and the emission layer, the first hole transport layer may include a first compound, the second hole transport layer may include a second compound, the third hole transport layer may include a third compound, and the first to third compounds may each independently be an amine-based compound, but may be different from each other.

Light-emitting device and electronic apparatus including the same

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:

An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

Organic light-emitting device and apparatus including the same

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 light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

Organic light-emitting diode having color distances between pixel electrodes and organic emission layers and light-emitting display apparatus comprising the same

A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

Light emitting element and display panel including the same

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 includes a condensed cyclic compound represented by Formula 1: The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEand may be used as an effective thermally activated delayed fluorescence (TADF) light-emitting material.

Condensed cyclic compound and organic light emitting device comprising same

A 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 a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

Light-emitting device and an electronic device including the same

Provided is an organic electroluminescence device including a first electrode, an organic layer on the first electrode, and a second electrode on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device including a polycyclic compound represented by Formula 1 thereby exhibits high luminous efficiency.

Organic electroluminescence device and polycyclic compound for organic electroluminescence 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:

Organic light-emitting device

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second 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 hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2:

An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby showing excellent emission efficiency properties and long-life characteristics:

Organic electroluminescence device and compound for organic electroluminescence device

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Yongin-si, South Korea

Hyein Jeong