Lg Display Co., Ltd.

Lg Chem, Ltd

Industry-university Cooperation Foundation Hanyang University

Solus Advanced Materials Co., Ltd.

Display Co., Ltd.

Jeongdae Seo

Seonkeun Yoo

Hyoseok Kim

Shinhan Kim

Jungkeun Kim

Dohan Kim

Jicheol Shin

Sangbeom Kim

Hyeseung Kang

Wanpyo Hong

Jun Woo Yun

Sunghoon Joo

Heungwoo Choi

Min Ro Yun

Seunghee Yoon

Yonghan Lee

ChangWook Han

JungSoo Park

Heejun Park

Sunghoon Kim

Jae-Hoon Kim

Dohyung Kim

Hongseok Choi

Dongheon Kim

Jung Keun Kim

Taeshick Kim

Jeongwon Lee

Seongsu Jeon

Hyun Cheol Jeong

JooYong Yoon

DongHeon Kim

SungJae Lee

Youngkwan Jung

Eunju Jeon

Soyoung Jang

Dong Hun Lee

Sunjae Kim

Byungchul Ahn

Tae Wan Lee

Gwijeong Cho

Inbum Song

Jong Kwan Bin

Jun Yeob Lee

Jeonghoe Heo

Younseok Kam

Seong-Min Park

Yoonheung Tak

Jae Yi Sim

SunKap Kwon

Sunghoon Pieh

Chang-Jae Yu

Joo Yong Yoon

Sang-Hoon Hong

YoonHeung Tak

Joon Shik Yoon

JiHo Baek

Chungun Park

Wan Hong

Young Mo Kim

YongHan Lee

Hvun Cheol Jeong

Gwangyong Kim

Min Seong Yun

HyunChul Choi

Minchul Jun

Sungjae Lee

Jooyong Yoon

Seunkeun Yoo

Disclosed is an organic electroluminescence device. The device includes an anode; a cathode; and a first light-emission layer disposed between the anode and the cathode and configured for emitting blue light. The first light-emission layer comprises a host composition and a blue dopant. The blue dopant includes at least one compound represented by Chemical Formula D. The host composition contains a first host compound and a second host compound. The first host compound has a triplet energy level higher than a triplet energy level of the blue dopant, while the second host compound has a triplet energy level lower than the triplet energy level of the blue dopant. In Chemical Formula D, each of R, R, R, Rand Rindependently is the same as defined in the present specification.

Organic electroluminescence device

An organic electric element, a display panel, and a display device including the organic electric element are provided. The organic electric element includes a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

Organic electric element, display panel comprising the same and display device comprising the same

Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they may have excellent efficiency or lifespan.

Provided are an organic electric element, a display panel and a display device having high efficiency or long life by including layers having excellent hole transport ability and carrier resistance.

Provided are an organic electric element, a display panel and a display device including the organic electric element which include a charge generating layer including a first layer comprising a first compound and a second compound and a second layer comprising a third compound so that they can have excellent efficiency or lifespan.

An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between al anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

Organic light emitting display device

Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.

Compound and organic light emitting device including the same

An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including: a hole transport layer (HTL), a blue light-emitting layer including: a blue host material (BHM), and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL), and a second electrode on the light-emitting stack, wherein BFD LUMO&#x3e;BHM, BFD HOMO&#x3e;BHM, BFD singlet energy &#x3c;BHM, HTL HOMO&#x3e;BHM and BFD, HTL HOMO&#x2212;BFD HOMO&#x2264;0.1 eV, the HTL material LUMO&#x3e;the BHM, HTL LUMO&#x2212;BHM LUMO&#x3e;0.5 eV, HTL LUMO&#x3e;BFD, ETL LUMO&#x3e;BHM and BFD, a difference in LUMO between the ETL material and the BFD material &#x2264;0.1 eV, and the HTL material, the ETL material, and the BHM have the following triplet energy relationships: T&#x3c;Tand T&#x3c;T, 2.8&#x3c;T&#x3c;3.0, and 2.6&#x3c;T&#x3c;2.8.

Organic light-emitting diode, organic light-emitting display including the same, and method of manufacturing the same

An organic electric element, a display panel and a display device including the organic electric element are provided. The organic electric element includes a first electrode; a second electrode; and an organic layer positioned between the first electrode and the second electrode. The organic layer includes a first layer having a first compound and a second compound, and a emitting layer having a third compound. A specific general formula related to energy levels of the component compounds is satisfied so that they may have excellent efficiency or lifespan.

Disclosed herein are an organic light emitting diode including: at least two light emitting stacks interposed between an anode and a cathode and including at least one light emitting material layer; and a charge generation layer interposed between the light emitting stacks. The charge generation layer includes an N-type charge generation layer and a P-type charge generation layer, wherein the N-type charge generation layer and the P-type charge generation layer are stacked in such direction for the N-type charge generation layer to face the anode and for the P-type charge generation layer to face the cathode. The N-type charge generation layer includes a compound represented by Formula 1. The P-type charge generation layer includes any one selected from the group consisting of a compound represented by Formula 2, a compound represented by Formula 3, and a combination thereof. The material for N-type charge generation layers and the material for P-type charge generation layers of the disclosure can secure low driving voltage and long lifespan of an organic light emitting diode when used in the organic light emitting diode. Compounds of Formulae 1, 2, and 3 are as defined herein.

Organic light emitting diode

Provided are an organic electric element, a display panel and a display device including the organic electric element. The organic electric element includes a specific compound and satisfies a specific general formula related to energy levels of the component compounds so that they can have excellent efficiency or lifespan.

An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including: a hole transport layer (HTL), a blue light-emitting layer including: a blue host material (BHM), and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL), and a second electrode on the light-emitting stack, wherein BFD LUMO&#x3e;BHM, BFD HOMO&#x3e;BHM, BFD singlet energy&#x3c;BHM, HTL HOMO&#x3e;BHM and BFD, HTL HOMO&#x2212;BFD HOMO&#x2264;0.1 eV, the HTL material LUMO&#x3e;the BHM, HTL LUMO&#x2212;BHM LUMO&#x2265;0.5 eV, HTL LUMO&#x3e;BFD, ETL LUMO&#x3e;BHM and BFD, a difference in LUMO between the ETL material and the BFD material&#x2264;0.1 eV, and the HTL material, the ETL material, and the BHM have the following triplet energy relationships: T&#x3c;Tand T&#x3c;T, 2.8&#x3c;T&#x3c;3.0, and 2.6&#x3c;T&#x3c;2.8.

Growing community of inventors

Incheon, South Korea

Jeongdae Seo