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公开(公告)号：US09093404B2
公开(公告)日：2015-07-28
申请号：US14132852
申请日：2013-12-18
发明人： Kohei Yokoyama , Tomohiro Kosaka , Fumikazu Shimoshikiryoh , Shinichi Kawato , Katsuhiro Kikuchi , Manabu Niboshi , Takashi Ochi , Yuto Tsukamoto , Tomofumi Osaki
CPC分类号： H01L27/3246 , H01L27/3211 , H01L51/5056 , H01L51/5072 , H01L2251/558
摘要： The light-emitting device includes a first lower electrode, a second lower electrode, a partition, a layer with high conductivity, light-emitting layers, and an upper electrode. The conductivity of the layer with high conductivity is higher than the conductivity of each of the light-emitting layers and lower than the conductivity of each of the lower electrodes and the upper electrode. The partition includes a first slope located on a first lower electrode side and a second slope located on a second lower electrode side. The thickness of the layer with high conductivity located over the first slope in a direction perpendicular to the first slope is different from the thickness of the layer with high conductivity located over the second slope in a direction perpendicular to the second slope.
摘要翻译： 发光装置包括第一下电极，第二下电极，隔板，具有高导电性的层，发光层和上电极。 具有高导电性的层的导电性高于每个发光层的导电率，并且低于每个下电极和上电极的导电率。 分隔件包括位于第一下电极侧的第一斜面和位于第二下电极侧的第二斜面。 位于第一斜坡上方的垂直于第一斜坡的方向上的具有高导电率的层的厚度不同于在垂直于第二斜率的方向上位于第二斜率上的具有高导电性的层的厚度。
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公开(公告)号：US09716208B2
公开(公告)日：2017-07-25
申请号：US14109043
申请日：2013-12-17
发明人： Yoshitaka Dozen , Hisao Ikeda , Yoshiharu Hirakata , Manabu Niboshi , Katsuhiro Kikuchi , Shinichi Kawato , Takashi Ochi , Yuto Tsukamoto , Tomohiro Kosaka , Tomofumi Osaki
CPC分类号： H01L33/005 , H01L27/3211 , H01L27/3246
摘要： Occurrence of a crosstalk phenomenon is prevented in a light-emitting device including a tandem element. The light-emitting device includes an insulating layer, a first lower electrode over the insulating layer, a second lower electrode over the insulating layer, a partition positioned over the insulating layer and between the first lower electrode and the second lower electrode, a first light-emitting unit over the first lower electrode, the partition, and the second lower electrode, intermediate layers over the first light-emitting unit, a second light-emitting unit over the intermediate layer, and an upper electrode over the second light-emitting unit. The partition has a first depression.
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公开(公告)号：US09660222B2
公开(公告)日：2017-05-23
申请号：US14102857
申请日：2013-12-11
发明人： Hisao Ikeda , Manabu Niboshi , Yuto Tsukamoto
CPC分类号： H01L51/529 , H01L23/29 , H01L51/524 , H05B33/04
摘要： A light-emitting device with high reliability is provided. A light-emitting device includes a substrate 101, an organic EL element 110 formed over the substrate, a counter substrate 102 which is disposed so as to face the substrate, a plurality of projection structures 102a which are formed on the counter substrate and face the organic EL element, and a thermal conductor 135a of a liquid, a solid, or the like, which is disposed between the substrate and the counter substrate. The plurality of projection structures and the organic EL element are each in contact with the thermal conductor.
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公开(公告)号：US20140175469A1
公开(公告)日：2014-06-26
申请号：US14109043
申请日：2013-12-17
发明人： Yoshitaka Dozen , Hisao Ikeda , Yoshiharu Hirakata , Manabu Niboshi , Katsuhiro Kikuchi , Shinichi Kawato , Takashi Ochi , Yuto Tsukamoto , Tomohiro Kosaka , Tomofumi Osaki
CPC分类号： H01L33/005 , H01L27/3211 , H01L27/3246
摘要： Occurrence of a crosstalk phenomenon is prevented in a light-emitting device including a tandem element. The light-emitting device includes an insulating layer, a first lower electrode over the insulating layer, a second lower electrode over the insulating layer, a partition positioned over the insulating layer and between the first lower electrode and the second lower electrode, a first light-emitting unit over the first lower electrode, the partition, and the second lower electrode, intermediate layers over the first light-emitting unit, a second light-emitting unit over the intermediate layer, and an upper electrode over the second light-emitting unit. The partition has a first depression.
摘要翻译： 在包括串联元件的发光装置中，防止发生串扰现象。 发光装置包括绝缘层，绝缘层上的第一下部电极，绝缘层上的第二下部电极，位于绝缘层上方以及位于第一下部电极和第二下部电极之间的隔板，第一光 在第一下电极，隔板和第二下电极之上的第一发光单元，在第一发光单元上方的中间层，中间层上的第二发光单元，以及在第二发光单元上方的上电极 。 分区有第一个凹陷。
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公开(公告)号：US20140175470A1
公开(公告)日：2014-06-26
申请号：US14132852
申请日：2013-12-18
发明人： Kohei Yokoyama , Tomohiro Kosaka , Fumikazu Shimoshikiryoh , Shinichi Kawato , Katsuhiro Kikuchi , Manabu Niboshi , Takashi Ochi , Yuto Tsukamoto , Tomofumi Osaki
CPC分类号： H01L27/3246 , H01L27/3211 , H01L51/5056 , H01L51/5072 , H01L2251/558
摘要： The light-emitting device includes a first lower electrode, a second lower electrode, a partition, a layer with high conductivity, light-emitting layers, and an upper electrode. The conductivity of the layer with high conductivity is higher than the conductivity of each of the light-emitting layers and lower than the conductivity of each of the lower electrodes and the upper electrode. The partition includes a first slope located on a first lower electrode side and a second slope located on a second lower electrode side. The thickness of the layer with high conductivity located over the first slope in a direction perpendicular to the first slope is different from the thickness of the layer with high conductivity located over the second slope in a direction perpendicular to the second slope.
摘要翻译： 发光装置包括第一下电极，第二下电极，隔板，具有高导电性的层，发光层和上电极。 具有高导电性的层的导电性高于每个发光层的导电率，并且低于每个下电极和上电极的导电率。 分隔件包括位于第一下电极侧的第一斜面和位于第二下电极侧的第二斜面。 位于第一斜坡上方的垂直于第一斜坡的方向上的具有高导电率的层的厚度不同于在垂直于第二斜率的方向上位于第二斜率上的具有高导电性的层的厚度。
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公开(公告)号：US20140159017A1
公开(公告)日：2014-06-12
申请号：US14102857
申请日：2013-12-11
发明人： Hisao Ikeda , Manabu Niboshi , Yuto Tsukamoto
IPC分类号： H01L51/52
CPC分类号： H01L51/529 , H01L23/29 , H01L51/524 , H05B33/04
摘要： A light-emitting device with high reliability is provided. A light-emitting device includes a substrate 101, an organic EL element 110 formed over the substrate, a counter substrate 102 which is disposed so as to face the substrate, a plurality of projection structures 102a which are formed on the counter substrate and face the organic EL element, and a thermal conductor 135a of a liquid, a solid, or the like, which is disposed between the substrate and the counter substrate. The plurality of projection structures and the organic EL element are each in contact with the thermal conductor.
摘要翻译： 提供了高可靠性的发光装置。 发光装置包括基板101，形成在基板上的有机EL元件110，与基板对置配置的对置基板102，形成在对置基板上的多个突起结构102a， 有机EL元件，以及设置在基板和对置基板之间的液体，固体等的导热体135a。 多个突起结构和有机EL元件各自与导热体接触。
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公开(公告)号：US11805663B2
公开(公告)日：2023-10-31
申请号：US16982444
申请日：2018-03-27
发明人： Tokiyoshi Umeda , Yuto Tsukamoto , Bai Zhang , Shinichi Kawato
IPC分类号： H10K50/125 , H10K50/11 , H10K85/30 , H10K85/60 , H10K101/10 , H10K101/00
CPC分类号： H10K50/125 , H10K50/11 , H10K85/322 , H10K85/342 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K2101/10 , H10K2101/27
摘要： A light-emitting device or the like with high color reproducibility and high luminous efficiency is achieved. The light-emitting device includes a blue pixel, a green pixel, and a red pixel, and the green pixel includes, in a green-light-emitting layer that emits light, a host material that transports carriers, a fluorescence dopant, which serves as a light emission dopant that contribute to light emission, and a thermally activated assist dopant which is composed of a thermally activated delayed fluorescent material.
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公开(公告)号：US11217763B2
公开(公告)日：2022-01-04
申请号：US16644057
申请日：2017-09-05
发明人： Yuto Tsukamoto , Shinichi Kawato , Tokiyoshi Umeda , Manabu Niboshi , Youhei Nakanishi , Hisayuki Utsumi , Masayuki Kanehiro , Shota Okamoto
摘要： To provide a light-emitting device that can obtain fluorescence having a narrow spectrum more efficiently, a light-emitting device includes: a light-emitting layer in which thermally activated delayed fluorescence bodies and quantum dots are dispersed; a first electrode in a lower layer than the light-emitting layer; and a second electrode in an upper layer than the light-emitting layer, wherein a light emission spectrum of the thermally activated delayed fluorescence bodies and an absorption spectrum of the quantum dots at least partially overlap each other.
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公开(公告)号：US10476033B2
公开(公告)日：2019-11-12
申请号：US15529981
申请日：2015-11-20
发明人： Masanori Ohara , Hideki Uchida , Katsuhiro Kikuchi , Satoshi Inoue , Yuto Tsukamoto , Kazuki Matsunaga , Eiji Koike
摘要： A light-emitting element includes at least a first trench portion having an indented shape within a single light-emitting region. In the first trench portion, a first electrode, an EL layer, and a second electrode are layered in this order and in contact with each other. One of the first electrode and the second electrode includes a reflective electrode, and concave-convex portions of the submicron order configured to diffract surface plasmons are provided on the surface of the reflective electrode on a side closer to the EL layer.
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公开(公告)号：US10305056B2
公开(公告)日：2019-05-28
申请号：US15545809
申请日：2016-01-19
发明人： Kazuki Matsunaga , Katsuhiro Kikuchi , Hideki Uchida , Masanori Ohara , Satoshi Inoue , Eiji Koike , Yuto Tsukamoto
摘要： The present invention provides an organic EL element with high luminous efficacy and high productivity, and an organic EL panel including the organic EL element. The organic electroluminescent element includes, in the given order: an anode; a hole transport layer; a light-emitting unit; an electron transport layer; and a cathode, the light-emitting unit including a first luminescent dopant layer, a first blocking layer, a second luminescent dopant layer, and a mixed light-emitting layer in the given order, the mixed light-emitting layer containing a first luminescent host material and a first luminescent dopant material, the first luminescent dopant layer substantially consisting of a second luminescent dopant material, the second luminescent dopant layer substantially consisting of a third luminescent dopant material, the first blocking layer containing a second luminescent host material.
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