公开(公告)号：US20210098715A1

公开(公告)日：2021-04-01

申请号：US17028922

申请日：2020-09-22

申请人： Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

发明人： Seulong KIM ,  Eu-gene OH ,  Munsoo KIM ,  JuWan MAENG ,  Kap-jong HAN ,  Jaeweon HUR ,  Hyewon CHOI ,  Kyungsik KIM ,  Sung-Soo BAE

IPC分类号： H01L51/00

摘要： An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

公开(公告)号：US20220165955A1

公开(公告)日：2022-05-26

申请号：US17393958

申请日：2021-08-04

申请人： Samsung Display Co., Ltd.

发明人： Seulong KIM ,  Eungyoung PARK ,  Jiyoung SONG

IPC分类号： H01L51/00 ,  C07F5/02 ,  C09K11/06

摘要： A light emitting device includes a first electrode, a second electrode facing the first electrode, and at least one emission layer disposed between the first electrode and the second electrode. The at least one emission layer includes a polycyclic compound represented by Formula 1, thereby exhibiting long service life characteristics.

公开(公告)号：US20210273192A1

公开(公告)日：2021-09-02

申请号：US17060733

申请日：2020-10-01

申请人： Samsung Display Co., Ltd.

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

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

摘要： 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：US20210050542A1

公开(公告)日：2021-02-18

申请号：US16992837

申请日：2020-08-13

申请人： Samsung Display Co., Ltd.

发明人： Seulong KIM ,  Tsuyoshi NAIJO ,  Yunjee PARK ,  Sungsoo BAE ,  Dongchan LEE ,  Hyewon CHOI

IPC分类号： H01L51/50 ,  H01L51/00

摘要： An 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, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

公开(公告)号：US20210013440A1

公开(公告)日：2021-01-14

申请号：US16881591

申请日：2020-05-22

申请人： Samsung Display Co., Ltd.

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

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

摘要： 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：US20200274073A1

公开(公告)日：2020-08-27

申请号：US16578414

申请日：2019-09-23

申请人： Samsung Display Co., Ltd.

发明人： Jaeweon HUR ,  Kyungsik KIM ,  Sungwook KIM ,  Seulong KIM ,  Sungsoo BAE

IPC分类号： H01L51/00 ,  C09K11/06

摘要： Provided is an organic light-emitting device including an auxiliary layer between an emission layer and a hole blocking layer.

公开(公告)号：US20170294489A1

公开(公告)日：2017-10-12

申请号：US15341223

申请日：2016-11-02

申请人： Samsung Display Co., Ltd

发明人： Jino LIM ,  Seulong KIM ,  Younsun KIM ,  Dongwoo SHIN ,  Jungsub LEE ,  Hyein JEONG

IPC分类号： H01L27/32 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  C09K11/02

CPC分类号： H01L27/3211 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L2251/5384

摘要： An organic light-emitting device that includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer is presented. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US20210351359A1

公开(公告)日：2021-11-11

申请号：US17277710

申请日：2019-03-12

申请人： Samsung Display Co., Ltd.

发明人： Seulong KIM ,  Jungmin KANG ,  Tsuyoshi NAIJO ,  Hyein JEONG ,  Soungwook KIM

IPC分类号： H01L51/00 ,  C07D471/06 ,  C09K11/06

摘要： An organic light-emitting device includes a condensed cyclic compound represented by Formula 1: The condensed cyclic compound has an electron withdrawing group (EWG) substituent and an electron donating group (EDG) substituent at suitable positions, and thus has a low ΔEST and may be used as an effective thermally activated delayed fluorescence (TADF) 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

申请人： Samsung Display Co., Ltd.

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

IPC分类号： H01L51/00 ,  H01L51/50

摘要： 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

申请人： Samsung Display Co., Ltd.

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

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

摘要： 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.