公开(公告)号：US20230180606A1

公开(公告)日：2023-06-08

申请号：US18160631

申请日：2023-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Jaeyong LEE ,  Taekyung KIM ,  Minkyung KIM ,  Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Soonchul CHANG ,  Jaehoon HWANG

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6572 ,  H10K85/631 ,  H10K85/636 ,  H10K85/654 ,  H10K85/626 ,  H10K50/11 ,  H10K85/615 ,  H10K50/15 ,  H10K2101/30 ,  H10K50/16 ,  H10K2101/40 ,  H10K50/19

Abstract: 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 (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US20210273192A1

公开(公告)日：2021-09-02

申请号：US17060733

申请日：2020-10-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Taehyung KIM ,  Hyoyeon KIM ,  Huiju PARK ,  Dongkyu LEE ,  Seho LEE ,  Yongdae LEE ,  Changgwi JIN ,  Jungho CHOI

IPC: H01L51/50 ,  C07D471/04 ,  C09K11/06 ,  H01L51/00

Abstract: 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.

公开(公告)号：US20210013440A1

公开(公告)日：2021-01-14

申请号：US16881591

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Taekyung KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Eungyoung PARK ,  Jiyoung SONG ,  Soon-Chul CHANG ,  Dongseob JEONG

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: 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.

公开(公告)号：US20200295271A1

公开(公告)日：2020-09-17

申请号：US16813539

申请日：2020-03-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeyong LEE ,  Taekyung KIM ,  Minkyung KIM ,  Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Soonchul CHANG ,  Jaehoon HWANG

IPC: H01L51/00 ,  H01L51/50

Abstract: 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 (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US20200220082A1

公开(公告)日：2020-07-09

申请号：US16677576

申请日：2019-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  TAEKYUNG KIM ,  Soon-Chul CHANG

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D213/06

Abstract: 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 Y1 to Y5 and Y11 to Y15 is independently CH or N, at least four of Y1 to Y5 are CH, at least four of Y11 to Y15 are CH, and R1, R2, and R3 are as disclosed in the description.