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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: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:US10476036B2
公开(公告)日:2019-11-12
申请号:US15713407
申请日:2017-09-22
发明人: Jihye Lee , Dongchan Kim , Donghoon Kim , Wonjong Kim , Jiyoung Moon , Dongkyu Seo , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
摘要: An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide. The organic light emitting diode may have reduced driving voltage and improved luminous efficiency.
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公开(公告)号:US20190280237A1
公开(公告)日:2019-09-12
申请号:US16417426
申请日:2019-05-20
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:US20180294425A1
公开(公告)日:2018-10-11
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
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:US20180182991A1
公开(公告)日:2018-06-28
申请号:US15904286
申请日:2018-02-23
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: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:US10665810B2
公开(公告)日:2020-05-26
申请号:US16417426
申请日:2019-05-20
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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