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公开(公告)号：US20220173343A1
公开(公告)日：2022-06-02
申请号：US17535521
申请日：2021-11-24
发明人： Junyong SHIN , Yeongrong Park , Dongkyu Seo , Byeongwook Yoo , Daeho Lee , Byungseok Lee
摘要： A 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, wherein: the interlayer further includes a hole transport region located between the first electrode and the emission layer; the first electrode includes tin oxide in an amount greater than about 0 wt % and equal to or less than about 8 wt % with respect to 100 wt % of the first electrode; and the hole transport region includes a compound represented by Formula 1, as defined herein.
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公开(公告)号：US11264583B2
公开(公告)日：2022-03-01
申请号：US16852171
申请日：2020-04-17
发明人： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
摘要： An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; a first emission unit, a second emission unit and a third emission unit between the first electrode and the second electrode; a first charge generation layer between the first emission unit and the second emission unit; and a second charge generation layer between the second emission unit and the third emission unit, wherein the first emission unit comprises a first emission layer, the second emission unit comprises a second emission layer, the third emission unit comprises a third emission layer, and at least one of the first emission unit, the second emission unit and the third emission unit comprises an inorganic buffer layer.
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公开(公告)号：US20220033959A1
公开(公告)日：2022-02-03
申请号：US17222895
申请日：2021-04-05
发明人： Dongkyu Seo , Daeho Lee , Yeongrong Park , Junyong Shin , Byeongwook Yoo , Byungseok Lee
摘要： An apparatus for making substrates of a display device includes: a crucible to vaporize a deposition material and including a first metal; and a sacrificial material electrically connected to the crucible and including a second metal having a second ionization energy less than a first ionization energy of the first metal.
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公开(公告)号：US10305059B2
公开(公告)日：2019-05-28
申请号：US16005169
申请日：2018-06-11
发明人： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
摘要： An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US09905791B2
公开(公告)日：2018-02-27
申请号：US14831824
申请日：2015-08-20
发明人： Eungdo Kim , Dongchan Kim , Wonjong Kim , Dongkyu Seo , Dahea Im , Sanghoon Yim , Wonsuk Han
CPC分类号： H01L51/5072 , H01L51/0081 , H01L51/5084 , H01L51/5092 , H01L51/5221 , H01L51/5231 , H01L2251/301 , H01L2251/558
摘要： An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.
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公开(公告)号：US20170125717A1
公开(公告)日：2017-05-04
申请号：US15173336
申请日：2016-06-03
发明人： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC分类号： H01L51/50
CPC分类号： H01L51/5044 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0055 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0065 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0081 , H01L51/0084 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/0092 , H01L51/5012 , H01L51/5016 , H01L51/5056 , H01L51/5088 , H01L51/5096 , H01L51/56 , H01L2251/301
摘要： An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US12133404B2
公开(公告)日：2024-10-29
申请号：US18510619
申请日：2023-11-15
发明人： Yeongrong Park , Dongkyu Seo , Junyong Shin , Byeongwook Yoo , Daeho Lee , Byungseok Lee
摘要： An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.
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8.发明授权公开(公告)号：US11825675B2
公开(公告)日：2023-11-21
申请号：US17231968
申请日：2021-04-15
发明人： Yeongrong Park , Dongkyu Seo , Junyong Shin , Byeongwook Yoo , Daeho Lee , Byungseok Lee
摘要： An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.
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公开(公告)号：US20220158114A1
公开(公告)日：2022-05-19
申请号：US17649548
申请日：2022-01-31
发明人： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC分类号： H01L51/50
摘要： An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US10978650B2
公开(公告)日：2021-04-13
申请号：US15472764
申请日：2017-03-29
发明人： Dongchan Kim , Dongkyu Seo , Byoungduk Lee , Yoonhyeung Cho , Yongchan Ju , Wonsuk Han
摘要： A light-emitting device is provided. The device includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The hole transport region may include a hole transport layer, which in turn includes a first perovskite compound [A1l][B1m][X1]n with a neutral defect. A hole concentration of the first perovskite compound may be from about 1.0×1016 to about 9×1018 cm−3 at about 25° C.
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