Samsung Display Co., Ltd.

Hangeul Lee

Jonghyeon Lee

Heejoo Ko

Eunhye Song

Provided are an organic light-emitting device and an apparatus including the same. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer, a first region between the first electrode and the emission layer, a second region between the emission layer and the second electrode, and an auxiliary layer between the first region and the emission layer, and the emission layer includes a first compound, a second compound, a third compound, and a fourth compound. The organic light-emitting device exhibits a low driving voltage and a long lifespan.

Organic light-emitting device and apparatus including the same

Provided are a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer and an n-doping layer disposed between the emission layer and the second electrode. The emission layer includes a first compound, a second compound, and a light-emitting dopant, the n-doping layer includes a third compound and an n-dopant, and does not include the light-emitting dopant, the first compound includes a hole transport host, the second compound and the third compound each independently include an electron transport host, a bipolar host, or any combination thereof, and the second compound and the third compound are identical to or different from each other.

Light-emitting device and electronic apparatus including the same

A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided, wherein the substituents in Formula 1 are the same as defined in the detailed descriptions. 

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Yongin-si, South Korea

Hangeul Lee