Samsung Display Co., Ltd.

Soon-Chul Chang

Seulong Kim

Taekyung Kim

Pilgu Kang

Jiyoung Kwon

Dongseob Jeong

Eungyoung Park

Jiyoung Song

A light emitting device includes a first electrode, a first stack on the first electrode, a first charge generation layer on the first stack, a second stack on the first charge generation layer, and a second electrode on the second stack. The first stack includes a first light emitting layer and a plurality of first organic layers, and the second stack includes a second light emitting layer and a plurality of second organic layers. Among the plurality of first organic layers and the plurality of second organic layers, at least one of organic layers adjacent to the first light emitting layer and the second light emitting layer includes a light emitting material.

Light emitting device and display panel including same

Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Yto Yand Yto Yis independently CH or N, at least four of Yto Yare CH, at least four of Yto Yare CH, and R, R, and Rare as disclosed in the description. 

Organic electroluminescence device and display device including the same

Growing community of inventors

Seoul, South Korea

Soon-Chul Chang