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公开(公告)号：US20220359830A1
公开(公告)日：2022-11-10
申请号：US17715248
申请日：2022-04-07
发明人： Seulong KIM , Samil Kho , Hyoungkun Kim , Jinwoong Kim , Hyein Jeong
IPC分类号： H01L51/00 , C07F9/53 , C09K11/06 , C07D251/24
摘要： The present application provides a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and an electron transport layer and an electron injection layer between the emission layer and the second electrode, wherein the electron transport layer includes a mixed layer including a first compound and a second compound, the first compound includes a C14-C60 carbocyclic group, and a triplet energy of the first compound is about 2.0 electron volts or lower, the second compound includes a π electron-depleted nitrogen-containing C1-C60 cyclic group, and a triplet energy of the second compound is about 2.5 electron volts or greater, and the electron injection layer includes a metal halide and a lanthanum-based metal.
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公开(公告)号：US20210135124A1
公开(公告)日：2021-05-06
申请号：US16945444
申请日：2020-07-31
发明人： Hyoungkun Kim , Samil Kho , Donghwan Kim , Jinwoong Kim , Seunggak Yang , Kwanhee Lee , Junyoung Lee
摘要： An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.
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公开(公告)号：US11903310B2
公开(公告)日：2024-02-13
申请号：US16945444
申请日：2020-07-31
发明人： Hyoungkun Kim , Samil Kho , Donghwan Kim , Jinwoong Kim , Seunggak Yang , Kwanhee Lee , Junyoung Lee
IPC分类号： H10K85/00 , H10K85/60 , H10K50/15 , H10K50/81 , H10K101/30
CPC分类号： H10K85/6572 , H10K85/615 , H10K85/633 , H10K85/636 , H10K50/15 , H10K50/156 , H10K50/81 , H10K2101/30
摘要： An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.
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公开(公告)号：US20170117478A1
公开(公告)日：2017-04-27
申请号：US15228818
申请日：2016-08-04
发明人： Sehun Kim , Jongin Hong , Seongjin Jeong , Samil Kho , Hyoungkun Kim , Hyein Jeong
IPC分类号： H01L51/00 , C07D471/04 , C07D215/14 , C09K11/06 , C09K11/02
CPC分类号： H01L51/0052 , C07D215/14 , C07D471/04 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1044 , H01L51/0054 , H01L51/0058 , H01L51/0072 , H01L51/0094 , H01L51/5012 , H01L51/5024 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5096 , H01L51/5206 , H01L51/5221 , H01L2251/558
摘要： An organic light-emitting device having high efficiency and long lifespan including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: When compounds represented by Formulae 1 and 2 are included in the emission layer, organic light-emitting devices may exhibit improved driving voltage, improved luminance, improved efficiency, and/or improved lifespans.
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公开(公告)号：US11437597B2
公开(公告)日：2022-09-06
申请号：US16594683
申请日：2019-10-07
发明人： Jin-O Lim , Seunggak Yang , Samil Kho
摘要： An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a
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公开(公告)号：US10553651B2
公开(公告)日：2020-02-04
申请号：US16016145
申请日：2018-06-22
发明人： Sanghoon Yim , Donghoon Kim , Samil Kho , Mikyung Kim , Eunkyoung Kim , Seunggak Yang , Kwanhee Lee
摘要： An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.
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公开(公告)号：US20220320436A1
公开(公告)日：2022-10-06
申请号：US17655982
申请日：2022-03-22
发明人： Seulong Kim , Samil Kho , Hyoungkun Kim , Yeongji Im , Hyein Jeong
IPC分类号： H01L51/00
摘要： An electronic apparatus includes a light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode and an electron transport region between the emission layer and the second electrode, wherein the emission layer includes a compound represented by Formula 1, and the electron transport region includes a first metal-containing compound and a second metal:
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公开(公告)号：US20220165957A1
公开(公告)日：2022-05-26
申请号：US17511493
申请日：2021-10-26
发明人： Jiyun SONG , Samil Kho , Donghwan Kim , Eunkyoung Kim , Hyoungkun Kim , Youngseo Park , Hyejeong Park
IPC分类号： H01L51/00
摘要： A 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 an emission layer. The interlayer further includes a first electron transport layer and a second electron transport layer. The first and second electron transport layers are between the emission layer and the second electrode. The first electron transport layer includes a first compound represented by Formula 1, and the second electron transport layer includes a second compound represented by Formula 2.
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公开(公告)号：US20200152902A1
公开(公告)日：2020-05-14
申请号：US16594683
申请日：2019-10-07
发明人： Jin-O LIM , Seunggak Yang , Samil Kho
摘要： An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a
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公开(公告)号：US10333071B2
公开(公告)日：2019-06-25
申请号：US15228818
申请日：2016-08-04
发明人： Sehun Kim , Jongin Hong , Seongjin Jeong , Samil Kho , Hyoungkun Kim , Hyein Jeong
IPC分类号： H01L51/54 , C09K11/06 , H01L51/00 , C09K11/02 , C07D215/14 , C07D471/04 , H01L51/52 , H01L51/50
摘要： An organic light-emitting device having high efficiency and long lifespan including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: When compounds represented by Formulae 1 and 2 are included in the emission layer, organic light-emitting devices may exhibit improved driving voltage, improved luminance, improved efficiency, and/or improved lifespans.
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