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公开(公告)号：US20240164198A1
公开(公告)日：2024-05-16
申请号：US18283662
申请日：2021-04-20
发明人： Takahiro ADACHI , YASUSHI ASAOKA
CPC分类号： H10K71/15 , H10K59/1201 , H10K59/35
摘要： A method for manufacturing a display device includes forming a first light-emitting layer including forming a red light-emitting layer that serves as a first light-emitting layer and that emits light in a first color at least at a red subpixel serving as a first region on a substrate by using a quantum dot resist serving as a first solution, and including a first light-emitting material and a first solvent, and forming a second light-emitting layer including forming a blue light-emitting layer that serves as a second light-emitting layer and that emits light in a second color different from the first color at least at a blue subpixel serving as a second region on the substrate by using a quantum dot colloid that is a second solution including a second light-emitting material and a second solvent in which a solubility of the first light-emitting material is less than a solubility of the first light-emitting material in the first solvent, the forming a second light-emitting layer being performed after the forming a first light-emitting layer and the red light-emitting layer serving as the first light-emitting layer and the blue light-emitting layer serving as the second light-emitting layer emit light in different regions.
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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：US20240032320A1
公开(公告)日：2024-01-25
申请号：US18265978
申请日：2020-12-22
发明人： YASUSHI ASAOKA , JUN SAKUMA , Takahiro ADACHI
IPC分类号： H10K50/115 , H10K71/60 , H10K71/20
CPC分类号： H10K50/115 , H10K71/60 , H10K71/221
摘要： A method of manufacturing a display device includes: a) forming a first pixel electrode and a second pixel electrode; b) forming a first light-emitting layer on the first pixel electrode; c) forming a photosensitive resin layer on the second pixel electrode and on the first light-emitting layer; d) forming a photosensitive resin pattern having an opening on the second pixel electrode and including a structural member e) forming a light-emitting material layer on the photosensitive resin pattern and on an opening bottom portion that is at least a part of the second pixel electrode and that is provided below the opening; and f) forming a second light-emitting layer on the second pixel electrode by lifting off a first lift-off portion that is a part of the photosensitive resin pattern and a second lift-off portion that is a part of the light-emitting material layer, with the structural member being left intact.
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公开(公告)号：US20240147766A1
公开(公告)日：2024-05-02
申请号：US18278825
申请日：2022-04-19
发明人： Takahiro ADACHI , YASUSHI ASAOKA
IPC分类号： H10K59/122 , H10K59/12 , H10K59/131 , H10K59/70 , H10K102/00
CPC分类号： H10K59/122 , H10K59/1201 , H10K59/131 , H10K59/70 , H10K2102/351
摘要： A method of manufacturing a display device includes: a liquid-repelling bank formation step of forming a liquid-repellent bank containing a liquid-repelling material that repels a coating liquid; a functional layer formation step of forming a functional layer in a region including an area surrounded by the liquid-repellent bank by applying the coating liquid to the area; and a removal step of, subsequent to the functional layer formation step, removing at least a part of the liquid-repellent bank.
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公开(公告)号：US20230276645A1
公开(公告)日：2023-08-31
申请号：US18014637
申请日：2020-07-22
发明人： YASUSHI ASAOKA , JUN SAKUMA , Takahiro ADACHI
CPC分类号： H10K50/13 , H10K50/166 , H10K50/181
摘要： A light-emitting device includes a first light-emitting layer disposed between a cathode and an anode and having a light emission central wavelength being a first wavelength; a second light-emitting layer disposed between the anode and the first light-emitting layer, having a light emission central wavelength being a second wavelength shorter than the first wavelength, and having an electron affinity lower than an electron affinity of the first light-emitting layer; and a first electron transport layer disposed between the first light-emitting layer and the second light-emitting layer in the second light-emitting region and having magnitude of an electron affinity between an electron affinity of the first light-emitting layer and an electron affinity of the second light-emitting layer.
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公开(公告)号：US20230174860A1
公开(公告)日：2023-06-08
申请号：US17921968
申请日：2021-03-22
发明人： Yusuke IKEDA , MASAKAZU KAMURA , YUKA UTSUMI , YASUSHI ASAOKA , Takahiro ADACHI
CPC分类号： C09K11/883 , C09K11/0883 , B82Y20/00
摘要： A method of treating an aqueous solution containing quantum dots, the method includes: a dissolution liquid preparation step of dissolving a quaternary ammonium salt and a potassium salt in an aqueous solution containing quantum dots to prepare a dissolution liquid; a phase separation step of heating the dissolution liquid to separate the dissolution liquid into two phases, which are a quaternary ammonium salt phase containing a large amount of the quaternary ammonium salt and a potassium salt phase containing a large amount of the potassium salt, and also to cause the quantum dots to be included in either one of the quaternary ammonium salt phase and the potassium salt phase; and a fractionation step of separating the quaternary ammonium salt phase and the potassium salt phase by fractionation.
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公开(公告)号：US20240196719A1
公开(公告)日：2024-06-13
申请号：US18278817
申请日：2021-04-13
发明人： Takahiro ADACHI , YASUSHI ASAOKA
CPC分类号： H10K71/211 , H10K59/1201 , H10K59/35
摘要： A method for manufacturing a light-emitting element includes a) forming an intermediate layer containing a first resin on a charge transport layer, b) forming a light-emitting layer containing a second resin, a second photosensitive material, and a first luminescent material on the intermediate layer, c) exposing the intermediate layer and the light-emitting layer in a predetermined pattern to obtain an exposed intermediate layer and an exposed light-emitting layer, respectively, and d) developing the exposed intermediate layer and the exposed light-emitting layer with a developing solution. A solubility of a second portion of the exposed intermediate layer dissolved in the developing solution and a solubility of a first portion of the exposed light-emitting layer dissolved in the developing solution are different from each other.
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公开(公告)号：US20240172468A1
公开(公告)日：2024-05-23
申请号：US18272601
申请日：2021-01-20
发明人： Takahiro ADACHI , YASUSHI ASAOKA
摘要： A method of manufacturing a light-emitting device according to the disclosure includes, in a light-emitting element formation step of forming, on a substrate, a first light-emitting element including a first light-emitting layer, a first light-emitting layer formation step of forming the first light-emitting layer by forming a layered body obtained by layering, in order from the substrate side, a lower reversal resist layer, a light-emitting material layer containing a light-emitting material of the first light-emitting layer, and an upper layer positive resist, and patterning the layered body.
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公开(公告)号：US20230413656A1
公开(公告)日：2023-12-21
申请号：US18037476
申请日：2020-12-03
发明人： Takahiro ADACHI , JUN SAKUMA
IPC分类号： H10K71/20
CPC分类号： H10K71/211 , H10K71/221 , H10K2102/331
摘要： A method for manufacturing a light-emitting element includes forming a first light-emitting layer by applying a first quantum dot solution containing first quantum dots, forming a first resist layer by applying a first photosensitive resin composition onto the first light-emitting layer, exposing the first resist layer to light in a predetermined pattern, and performing a pattern formation of developing the first resist layer with a developing solution to form a patterned first resist layer, and processing the first light-emitting layer with a treatment liquid using the patterned first resist layer as a mask to form a patterned first light-emitting layer.
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公开(公告)号：US20230354487A1
公开(公告)日：2023-11-02
申请号：US17909635
申请日：2020-03-24
发明人： Takahiro ADACHI , JUN SAKUMA , YASUSHI ASAOKA
CPC分类号： H05B33/10 , B05D3/0254
摘要： A method for manufacturing a functional element including a pixel, the method includes: applying a coating containing a curable material and a functional material; curing the coating applied by the applying the coating; and adjusting a film thickness of the coating cured by the curing the coating to decrease the film thickness of the coating.
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