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公开(公告)号：US12063857B2
公开(公告)日：2024-08-13
申请号：US18160631
申请日：2023-01-27
发明人： Jaeyong Lee , Taekyung Kim , Minkyung Kim , Seulong Kim , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
IPC分类号： H10K85/60 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/19 , H10K101/30 , H10K101/40
CPC分类号： H10K85/6572 , H10K50/11 , H10K85/615 , H10K85/626 , H10K85/631 , H10K85/636 , H10K85/654 , H10K50/15 , H10K50/16 , H10K50/19 , H10K2101/30 , H10K2101/40
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.
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公开(公告)号：US20230329103A1
公开(公告)日：2023-10-12
申请号：US18108146
申请日：2023-02-10
发明人： Jungho Choi , Dongchan Kim , Yoonseok Ka , Pilgu Kang , Hajin Song , Hakchoong Lee
IPC分类号： H10K85/60 , H10K50/115 , C09K11/06
CPC分类号： H10K85/6572 , H10K50/115 , C09K11/06 , H10K50/131
摘要： Embodiments provide a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes m emitting parts, and m−1 charge generation parts between two adjacent ones of the emitting parts, wherein m is an integer of 2 or more. At least one of the charge generation parts includes an n-type charge generation layer, a first p-type charge generation layer, and a second p-type charge generation layer. A band gap of the second p-type charge generation layer is greater than a band gap of the first p-type charge generation layer.
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3.发明公开公开(公告)号：US20240341116A1
公开(公告)日：2024-10-10
申请号：US18417136
申请日：2024-01-19
发明人： Jungho Choi , Pilgu Kang , Daehyeon Kim , Dongchan Kim , Jiyoung Moon , Hakchoong Lee , Jaehoon Hwang
IPC分类号： H10K50/17 , H10K102/00
CPC分类号： H10K50/171 , H10K2102/351
摘要： Embodiments provide a light-emitting device, and an electronic apparatus and electronic equipment that each include the light-emitting device. The light-emitting device includes an anode, a cathode facing the anode, and an interlayer between the anode and the cathode, wherein the interlayer includes an emission layer and an electron transport region between the emission layer and the cathode. The electron transport region includes an electron injection layer adjacent to the cathode, the electron injection layer includes an alkali metal, and the cathode includes silver (Ag).
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4.发明公开公开(公告)号：US20240334731A1
公开(公告)日：2024-10-03
申请号：US18595603
申请日：2024-03-05
发明人： Jungho Choi , Jiyoung Moon , Pilgu Kang , Dongchan Kim , Hakchoong Lee
IPC分类号： H10K50/16 , H10K50/17 , H10K101/40 , H10K102/00
CPC分类号： H10K50/166 , H10K50/171 , H10K2101/40 , H10K2102/351
摘要： A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode and comprising an emission layer. The interlayer further includes a first layer arranged between the emission layer and the second electrode, and a second layer arranged between the first layer and the emission layer. The first layer includes a first metal-containing material, the second layer includes a second metal-containing material and a metal-free material, and a difference between a work function (W/F) of the first layer and a work function (W/F) of the second layer is in a range of about 0.05 eV to about 0.2 eV.
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公开(公告)号：US11569454B2
公开(公告)日：2023-01-31
申请号：US16813539
申请日：2020-03-09
发明人： Jaeyong Lee , Taekyung Kim , Minkyung Kim , Seulong Kim , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
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.
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公开(公告)号：US11414430B2
公开(公告)日：2022-08-16
申请号：US16514854
申请日：2019-07-17
发明人： Seulong Kim , Sunwoo Kang , Pilgu Kang , Jiyoung Kwon , Taekyung Kim , Soonchul Chang , Dahye Cho
IPC分类号： C07D519/00 , H01L51/00 , H01L51/50
摘要： 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.
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公开(公告)号：US11335857B2
公开(公告)日：2022-05-17
申请号：US16677576
申请日：2019-11-07
发明人： Seulong Kim , Pilgu Kang , Jiyoung Kwon , Taekyung Kim , Soon-Chul Chang
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.
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公开(公告)号：US12127477B2
公开(公告)日：2024-10-22
申请号：US17329903
申请日：2021-05-25
发明人： Jiyoung Song , Seulong Kim , Pilgu Kang , Eungyoung Park , Hajin Song , Hyekyun Lee , Soonchul Chang , Dongseob Jeong , Yangjin Cho , Jina Hur
IPC分类号： H01L51/00 , H10K85/30 , H10K85/40 , H10K85/60 , H10K50/11 , H10K50/115 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K101/10
CPC分类号： H10K85/654 , H10K85/342 , H10K85/346 , H10K85/40 , H10K85/622 , H10K85/623 , H10K85/624 , H10K85/633 , H10K85/636 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/11 , H10K50/115 , H10K50/15 , H10K50/16 , H10K50/171 , H10K50/18 , H10K2101/10
摘要： An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.
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公开(公告)号：US11925045B2
公开(公告)日：2024-03-05
申请号：US16881591
申请日：2020-05-22
发明人： Seulong Kim , Taekyung Kim , Pilgu Kang , Jiyoung Kwon , Eungyoung Park , Jiyoung Song , Soon-Chul Chang , Dongseob Jeong
CPC分类号： H10K50/13 , H10K50/156 , H10K50/157 , H10K50/166 , H10K50/171 , H10K50/18 , H10K50/805 , H10K59/32
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.
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公开(公告)号：US11889756B2
公开(公告)日：2024-01-30
申请号：US16518346
申请日：2019-07-22
发明人： Taekyung Kim , Sunwoo Kang , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
IPC分类号： H10K85/60 , C09K11/06 , C07D471/06 , C07D471/16 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/155 , H10K59/123 , H10K101/10
CPC分类号： H10K85/6572 , C07D471/06 , C07D471/16 , C09K11/06 , H10K85/615 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/155 , H10K50/16 , H10K50/17 , H10K50/171 , H10K50/18 , H10K59/123 , H10K2101/10
摘要： Provided are an organic light-emitting device having improved luminescent efficiency and a compound.
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