Samsung Display Co., Ltd.

Jiyoung Kwon

Pilgu Kang

Seulong Kim

Taekyung Kim

Soonchul Chang

Jaehoon Hwang

Jaeyong Lee

Jihwan Yoon

Minkyung Kim

Sangwoo Pyo

Byeongwook Yoo

Sunwoo Kang

Yoonmo Song

Soon-Chul Chang

Taehyung Kim

Dongkyu Lee

Jungho Choi

Seho Lee

Dongseob Jeong

Hyoyeon Kim

Huiju Park

Eungyoung Park

Jiyoung Song

Dahye Cho

Yongdae Lee

Changgwi Jin

Jihwan Yoo

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 facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes m emission units; and m-1 charge generation units between two neighboring emission units among the m emission units, wherein m is an integer of 2 or more, and at least one of the m-1 charge generation units includes a heterocyclic compound represented by Formula 1 below: Substituents in Formula 1 may be understood as described in connection with the detailed description.

Organic light-emitting device and apparatus including the same

Provided are an organic light-emitting device having improved luminescent efficiency and a compound.

Organic light-emitting device and compound

Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE) of the first compound is larger than a triplet energy (T) of the host, and a minimum bond dissociation energy (BDE) of the host is larger than the triplet energy (T) of the host.

Organic light-emitting device and display apparatus including the same

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

A condensed cyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, the organic layer including the condensed cyclic compound represented by Formula 1. A display apparatus includes: a thin-film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device.

Condensed cyclic compound, organic light-emitting device including the same, and display apparatus including the organic light-emitting device

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

An organic light-emitting device including: a plurality of first electrodes that are respectively patterned according to first, second, and third sub-pixels; a second electrode facing the plurality of first electrodes; a plurality of emission layers between the plurality of first electrodes and the second electrode; a hole transport region between the plurality of first electrodes and the plurality of emission layers; and at least one selected from a first auxiliary layer and a second auxiliary layer. The first auxiliary layer may be between the hole transport region and the first emission layer, the second auxiliary layer may be between the hole transport region and the second emission layer, and at least one selected from the first auxiliary layer and the second auxiliary layer may include a first compound represented by Formula 1: 

Organic light-emitting device

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Yongin-si, South Korea

Jiyoung Kwon