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公开(公告)号：US20240114747A1
公开(公告)日：2024-04-04
申请号：US18267976
申请日：2020-12-22
发明人： YASUSHI ASAOKA , Sentaro KIDA , Takahiro ADACHI
IPC分类号： H10K59/80 , H10K59/12 , H10K59/124
CPC分类号： H10K59/80515 , H10K59/1201 , H10K59/124
摘要： A display device includes: a substrate; a pixel electrode disposed on the substrate, the pixel electrode including a first portion and a second portion disposed outside the first portion, the first portion protruding to a second side opposite to a first side closer to the substrate than the second portion; a light-emitting layer disposed across the second side of the first portion and the second side of the second portion; a first edge cover disposed across the second side of a side edge portion of the first portion and the second side of the second portion, the first edge cover including an opening formed on the second side of a central portion of the first portion, the first edge cover covering an edge of the first portion; and a counter electrode including a portion disposed closer to the second side than the first edge cover.
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公开(公告)号：US20220173181A1
公开(公告)日：2022-06-02
申请号：US17598162
申请日：2019-03-28
发明人： Sentaro KIDA , SHIGERU AOMORI , TSUYOSHI KAMADA , YASUSHI ASAOKA , JUN SAKUMA
摘要： Provided is a display element according to an aspect of the disclosure including a flattening film and, on the flattening film, a plurality of banks each having a linear shape, a plurality of active layers each having a linear shape and formed between adjacent banks, and an upper transparent electrode formed on each of the plurality of active layers. A cut line having a locally reduced height with reference to the flattening film is formed in each the plurality of banks, and the upper transparent electrode formed on one of the adjacent active layers and the upper transparent electrode formed on the other of the adjacent active layers are electrically connected via a conductive electrode formed in the cut line.
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公开(公告)号：US20230354648A1
公开(公告)日：2023-11-02
申请号：US18026343
申请日：2020-09-17
发明人： Sentaro KIDA , YASUSHI ASAOKA , TSUYOSHI KAMADA
IPC分类号： H10K59/122 , H10K59/131 , H10K59/80 , H10K71/13 , H10K71/00 , H10K71/60
CPC分类号： H10K59/122 , H10K59/131 , H10K59/80515 , H10K71/135 , H10K71/621 , H10K71/60 , H10K59/80521
摘要： A display device includes: a plurality of first electrodes shaped into islands; a first light-emitting layer formed to overlap with a first electrode among the plurality of the first electrodes, the first light-emitting layer containing a first light-emitting material and resin; a second light-emitting layers formed to overlap with another first electrode among the plurality of the first electrodes, the second light-emitting layers being made of a second light-emitting material; and a bank formed in a shape of a picture frame, or formed to include two partition walls facing each other and separating an inner region from an outer region. The second light-emitting layer is provided behind the bank to be in contact with an inner side face of the bank, and the first light-emitting layer is formed out of the bank.
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公开(公告)号：US20220352262A1
公开(公告)日：2022-11-03
申请号：US17622131
申请日：2019-08-05
发明人： YASUSHI ASAOKA , Sentaro KIDA
摘要： A method of manufacturing a display device includes: the first substrate preparation step of preparing a first substrate including insular, first electrodes, one for each of the plurality of subpixels; the second substrate preparation step of preparing a second substrate including a second electrode; the subpixel-specific layer forming step of forming insular subpixel-specific layers, one for each of the first electrodes, on either one or both of a top face of the first substrate and a top face of the second substrate; the nanoparticle layer forming step of forming a nanoparticle layer including a stack of nanoparticles on either one or both of the topmost face of the first substrate and the topmost face of the second electrode; and the bonding step of bonding the first substrate and the second substrate together via the nanoparticle layer in such a manner that the first electrodes face the second electrode.
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公开(公告)号：US20240081086A1
公开(公告)日：2024-03-07
申请号：US18268259
申请日：2020-12-22
发明人： Sentaro KIDA , YASUSHI ASAOKA
IPC分类号： H10K50/115 , C09K11/02 , C09K11/56 , C09K11/88
CPC分类号： H10K50/115 , C09K11/02 , C09K11/565 , C09K11/881 , C09K11/883 , H10K2101/30
摘要： A light-emitting element according to the present disclosure includes at least one pair of light-emitting layers formed between a cathode and an anode and the at least one pair of light-emitting layers includes, in a stated order from the cathode, a P-type light-emitting layer and an N-type light-emitting layer adjacent to each other.
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公开(公告)号：US20230371343A1
公开(公告)日：2023-11-16
申请号：US18029896
申请日：2021-10-05
发明人： Sentaro KIDA , YASUSHI ASAOKA , TSUYOSHI KAMADA
CPC分类号： H10K59/80515 , H10K59/1201 , H10K59/35 , H10K50/115
摘要： A display device includes a substrate, an insulating film formed over the substrate, a first pixel electrode formed over the insulating film, a first light-emitting layer formed over the first pixel electrode and overlapping the first pixel electrode in a plan view, a second light-emitting layer formed in a recess provided in the insulating film, and a second pixel electrode overlapping the recess in a plan view. At least one of the first light-emitting layer and the second light-emitting layer includes a quantum dot as a light-emitting material.
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公开(公告)号：US20230057673A1
公开(公告)日：2023-02-23
申请号：US17790706
申请日：2020-01-06
发明人： YASUSHI ASAOKA , Sentaro KIDA , JUN SAKUMA
摘要： A display device includes: a substrate; a flattened layer; at least one first light-emitting element; at least one second light-emitting element; at least one first drive circuit; and at least one second drive circuit, wherein light emitted by the first light-emitting element is taken out through the substrate, light emitted by the second light-emitting element is taken out from a direction opposite to a direction in which the light emitted by the first light-emitting element is taken out, the first light-emitting element is provided in an opening provided in the flattened laver, the second light-emitting element is provided in a layer above the flattened layer and overlaps the flattened layer, and the first drive circuit and the second drive circuit are provided closer to the substrate than the second light-emitting element.
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公开(公告)号：US20240206215A1
公开(公告)日：2024-06-20
申请号：US18287425
申请日：2021-05-27
发明人： Sentaro KIDA , JUN SAKUMA , YASUSHI ASAOKA
IPC分类号： H10K50/13 , H10K50/115 , H10K59/12 , H10K59/122 , H10K59/131 , H10K71/20
CPC分类号： H10K50/13 , H10K50/115 , H10K59/1201 , H10K59/122 , H10K59/131 , H10K71/221
摘要： A method for manufacturing a display device includes the following: a) forming a first resist layer over a substrate; b) patterning the first resist layer by removing the first resist layer formed over a first region of the substrate; c) forming a first light-emitting material layer over the first resist layer patterned, and above the first region of the substrate with the first resist layer removed; d) forming a second resist layer over the first light-emitting material layer; e) patterning the second resist layer by removing the first resist layer formed over a second region of the substrate, followed by lifting off the first light-emitting material layer and the second resist layer formed over the first resist layer over the second region; and f) forming a second light-emitting material layer over the second resist layer patterned, and above the second region of the substrate with the first second resist layer removed.
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公开(公告)号：US20230369545A1
公开(公告)日：2023-11-16
申请号：US18027904
申请日：2020-10-07
发明人： Akira OHSHIMA , JUN SAKUMA , Sentaro KIDA , MAKOTO KITAGAWA
CPC分类号： H01L33/502 , H01L33/36 , H01L33/14 , H01L2933/0025
摘要： A light-emitting element producing method includes: a step of forming a first-charge transport layer on a first electrode; a step of applying a first photosensitive resin composition, containing first quantum dots, to the first-charge transport layer, and forming a first-quantum-dot containing layer; a step of applying a second photosensitive resin composition, containing second quantum dots, to the first-quantum-dot containing layer, and forming a second-quantum-dot containing layer; a step of forming a second-charge transport layer on the second-quantum-dot containing layer; and a step of forming a second electrode on the second-charge transport layer.
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