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公开(公告)号：US20240147838A1
公开(公告)日：2024-05-02
申请号：US18265687
申请日：2022-07-22
Inventor： Zhuo LI
CPC classification number: H10K85/381 , C09K11/025 , H10K85/30 , H10K85/321 , H10K50/115
Abstract: A quantum dot material includes: a quantum dot and a ligand for modifying the quantum dot. The ligand is coordinately bound to the quantum dot, has a photosensitive isomerization property, is a derivative of azobenzene, and contains a urea group and a pyrimidinone group.
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12.发明公开公开(公告)号：US20240032412A1
公开(公告)日：2024-01-25
申请号：US18036386
申请日：2020-12-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhuo LI
CPC classification number: H10K85/111 , C09K11/703 , C09K11/623 , C09K11/02 , H10K85/654 , H10K50/115
Abstract: Disclosed in embodiments of the present invention are a quantum dot material, a light-emitting device and a manufacturing method therefor, and a display apparatus. The quantum dot material comprises: a quantum dot and at least one first ligand connected to the surface of the quantum dot. The first ligand comprises: an inner group connected to the quantum dot, a first photosensitive group connected to the inner group, and an outer group connected to the first photosensitive group, the inner group being configured to adsorb the quantum dot material on the surface of a carrier film layer, the first photosensitive group being configured to break under the irradiation of ultraviolet light, such that the outer group is separated from the inner group, and the outer group being configured to ionize in an aqueous solution to make the quantum dot material electropositive or electronegative.
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Patent Agency Ranking
公开(公告)号：US20250140163A1
公开(公告)日：2025-05-01
申请号：US18681870
申请日：2022-06-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shunhang ZHANG , Zhenyu ZHANG , Dongni LIU , Minghua XUAN , Yunsik IM , Zhen ZHANG , Peirou LI , Haoliang ZHENG , Li XIAO , Zhuo LI
IPC: G09G3/32
Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of pixel units distributed in an array. The pixel unit includes: a pixel driver circuit configured to provide a driving current, a plurality of sub-pixels configured to emit light under an action of the driving current, and a switching circuit including a plurality of switching units arranged in correspondence with the plurality of sub-pixels. The switching unit is connected in series between the pixel driver circuit and a corresponding sub-pixel, a control end of the switching unit is configured to receive a switching signal, a first end of the switching unit is connected to the pixel driver circuit, a second end of the switching unit is connected to the corresponding sub-pixel, and the switching unit conducts a communication path between the sub-pixel and the pixel driver circuit in response to the switching signal.
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公开(公告)号：US20250017033A1
公开(公告)日：2025-01-09
申请号：US18278674
申请日：2022-05-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K50/115 , B82Y20/00 , B82Y40/00 , C09K11/02 , H10K50/16 , H10K71/15 , H10K71/40 , H10K85/30 , H10K102/00
Abstract: A quantum dots light-emitting device and a manufacturing method thereof are provided, which includes: an electron transport layer, an auxiliary layer, and a quantum dot light-emitting layer sequentially stacked, the quantum dot light-emitting layer includes quantum dots, surfaces of the quantum dots are provided with a first ligand, the first ligand includes a first functional group connected to the quantum dots and a second functional group away from the quantum dots; surfaces of the quantum dots in contact with the first ligand have a compound formed by a metal element and a nonmetallic element, a material of the auxiliary layer includes at least one selected from a group consisting of a compound containing the second functional group, a compound containing the metal element, and a compound containing the nonmetallic element. The auxiliary layer firstly occupies a site where unnecessary quantum dots may remain.
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公开(公告)号：US20240423006A1
公开(公告)日：2024-12-19
申请号：US18700921
申请日：2022-08-02
Inventor： Zhuo LI
IPC: H10K50/115 , C09K11/02 , C09K11/08 , C09K11/55 , H10K59/122 , H10K59/35
Abstract: The present disclosure provides an array substrate, a manufacturing method thereof, and a display device. The array substrate includes a base substrate including a plurality of sub-pixels arranged in an array, a patterned metal oxide layer on the base substrate and in the plurality of sub-pixels, a portion of the metal oxide layer in any one of the plurality of sub-pixels being spaced apart from a portion of the metal oxide layer in another sub-pixel adjacent to the any one sub-pixel, and a patterned light-emitting layer on a side of the metal oxide layer away from the base substrate and in the plurality of sub-pixels. The metal oxide layer includes at least one of magnesium element or calcium element, and the light-emitting layer includes a photosensitive material and is in contact with the metal oxide layer.
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公开(公告)号：US20240298459A1
公开(公告)日：2024-09-05
申请号：US18041083
申请日：2022-02-18
IPC: H10K50/16 , H10K50/115 , H10K50/15 , H10K59/122 , H10K59/35 , H10K71/00 , H10K102/00
CPC classification number: H10K50/166 , H10K50/115 , H10K50/156 , H10K59/122 , H10K59/353 , H10K71/00 , H10K2102/351
Abstract: The embodiments of the present disclosure provide a display substrate, an electroluminescent device and a manufacturing method thereof, the display substrate includes: a base substrate; a pixel definition layer, in which the pixel definition layer includes a plurality of openings, the openings correspond to a plurality of sub-pixel regions, the sub-pixel regions include a first sub-pixel region and a second sub-pixel region; a first color quantum dot layer, in the first sub-pixel region; a second color quantum dot layer, in the second sub-pixel region; a first auxiliary layer, at least including a first portion and a second portion spaced apart from each other, the first portion is on a side of the first color quantum dot layer away from the base substrate, the second portion is on a side of the second color quantum dot layer close to the base substrate.
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公开(公告)号：US20220238605A1
公开(公告)日：2022-07-28
申请号：US17539492
申请日：2021-12-01
Inventor： Wenhai MEI , Zhuo LI
Abstract: A display substrate, a display panel and a method for manufacturing the display substrate are provided. The display substrate comprises a backing substrate and a plurality of pixel areas formed on the backing substrate, wherein the display substrate further comprises a quantum dot layer, the quantum dot layer comprises a plurality of quantum dot units located in the plurality of pixel areas respectively, wherein the quantum dot units comprise a matrix layer and quantum dots dispersed in the matrix layer, the matrix layer comprises a central region and a peripheral region disposed around the central region, the peripheral region comprises a polymer of photocurable monomers, and the central region comprises unpolymerized photocurable monomers.
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