Lg Display Co., Ltd.

Material Science Co., Ltd.

Inbum Song

Seunghee Yoon

Sunghoon Kim

Tae Wan Lee

Jeonghoe Heo

Seong-Min Park

Dong Hun Lee

Sangbeom Kim

Sunjae Kim

Hyun Bin Kang

Sang-Hoon Hong

Jaemin Ryu

Jeongdae Seo

Seonkeun Yoo

Shinhan Kim

Donghun Lee

Heejun Park

Soyoung Jang

Jin Sung Kim

Jae Ho Jeong

SunJae Kim

Tae-Ho Kwak

TaeWan Lee

Jiwoong Yoo

Seong-min Park

Sukyoung Bae

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

The present disclosure relates to organic compounds and an organic light emitting display device using the same and more particularly, to an organic light emitting display in which an organic compound represented by the following Chemical Formula 1 is used for a hole transport layer or an electron blocking layer of the organic light emitting element to easily transport holes injected from an anode to a light emitting layer and suppress the leakage of electrons from the light emitting layer. Therefore, it is possible to provide an organic light emitting display device with high luminous efficiency and long lifetime.

Organic compounds and organic light emitting display device using the same

Disclosed is an organic electroluminescent device. More specifically, disclosed is an organic electroluminescent device comprising at least one organic layer comprising at least two dopant compounds therein. The electroluminescent device employs both of a boron-based dopant and a pyrene-based dopant to provide improved color characteristics, efficiency and lifespan.

Organic electroluminescent device

Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.

Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.

Organic compound and organic electroluminescent device comprising the same

Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.

Compound and organic electroluminescent device comprising the same

The present disclosure relates to a novel organic compound and an organic electroluminescent device including the same. More specifically, the present disclosure relates to a deuterated organic compound and an organic electroluminescent device including at least one organic layer made of the deuterated organic compound. Thus, the organic electroluminescent device exhibits a longer lifetime, lower voltage implementation, and improved luminous efficiency.

Organic compounds and organic electroluminescent device including the same

A blue phosphorescence compound and an organic light emitting diode using the same are disclosed. The blue phosphorescence compound is represented by Chemical Formula 1 below: 

Blue phosphorescence compound and organic light emitting diode using the same

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Seoul, South Korea

Inbum Song