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公开(公告)号:US20240298510A1
公开(公告)日:2024-09-05
申请号:US17919286
申请日:2021-11-19
发明人: Haowei WANG , Zhuo LI , Jingwen FENG
IPC分类号: H10K71/12 , C09K11/06 , H10K50/115 , H10K59/35
CPC分类号: H10K71/12 , C09K11/06 , H10K50/115 , H10K59/35
摘要: A quantum dot film includes a target color quantum dot film and a residual non-target color quantum dot film, wherein a ligand for the target color quantum dot of the target color quantum dot film is an oil-soluble ligand, and a ligand for the residual non-target color quantum dot of the residual non-target color quantum dot film is selected from any one or more of halogen ions and short-chain organic ligands whose carbon chain length is in a range of 2 to 18 carbons.
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公开(公告)号:US20240244954A1
公开(公告)日:2024-07-18
申请号:US17918568
申请日:2021-09-25
发明人: Zhuo CHEN , Wenhai MEI , Zhuo LI
IPC分类号: H10K85/30 , B82Y20/00 , B82Y40/00 , C07F19/00 , C09K11/02 , C09K11/88 , H10K50/115 , H10K59/35 , H10K71/13
CPC分类号: H10K85/381 , C07F19/005 , C09K11/025 , C09K11/883 , H10K71/13 , B82Y20/00 , B82Y40/00 , H10K50/115 , H10K59/35
摘要: The present disclosure provides a quantum dot ligand, a quantum dot-ligand system and a quantum dot material, belonging to the field of display technology. The quantum dot ligand includes an X group, a Y group and a Z group. The Y group is configured to provide at least two binding sites, among which at least one binding site is configured to bind with the X group, and the remaining binding site is configured to bind with the Z group. The X group is a coordination group configured to form a coordination bond with a surface of a quantum dot. The Z group is a saturated 3- to 5-membered heterocyclic group containing O or S.
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3.
公开(公告)号:US20240237508A1
公开(公告)日:2024-07-11
申请号:US17801723
申请日:2021-09-24
发明人: Jingwen FENG , Zhuo LI
IPC分类号: H10K85/30 , B82Y20/00 , B82Y40/00 , C09K11/02 , C09K11/08 , C09K11/70 , C09K11/88 , H10K50/115
CPC分类号: H10K85/381 , C09K11/025 , C09K11/0883 , C09K11/703 , C09K11/883 , H10K50/115 , B82Y20/00 , B82Y40/00
摘要: The present application provides a quantum dot film layer, a quantum dot light emitting device and a manufacturing method therefor to improve the balance of carriers. The quantum dot film layer includes a first quantum dot layer and a second quantum dot layer. The first quantum dot layer includes first quantum dots, and first photosensitive ligands connected with surfaces of the first quantum dots. The second quantum dot layer includes second quantum dots, and second non-photosensitive ligands connected with surfaces of the second quantum dots. The second quantum dots are the same as the first quantum dots.
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公开(公告)号:US20240224559A1
公开(公告)日:2024-07-04
申请号:US17921087
申请日:2021-12-15
发明人: Tieshi WANG , Zhuo CHEN , Zhuo LI , Xu YUAN , Di ZHANG
IPC分类号: H10K50/115 , C09K11/06 , H10K59/35 , H10K71/15 , H10K85/10
CPC分类号: H10K50/115 , C09K11/06 , H10K59/35 , H10K71/15 , H10K85/141 , H10K85/151
摘要: A light emitting device and a fabricating method thereof, and a light emitting apparatus. The light emitting device includes: a substrate, and an assisting layer and a quantum-dot layer that are provided in stack on one side of the substrate, and the assisting layer is close to the substrate; a material of the assisting layer includes a non-polar polymer; and the quantum-dot layer includes quantum dots and a first ligand material coordinated to the quantum dots, and a property of the first ligand material changes by an effect of illumination, so that a solubility of the quantum-dot layer in an organic solvent changes.
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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
发明人: Zhuo LI
CPC分类号: H10K85/381 , C09K11/025 , H10K85/30 , H10K85/321 , H10K50/115
摘要: 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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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分类号: H10K50/16 , H10K50/115 , H10K50/15 , H10K59/122 , H10K59/35 , H10K71/00 , H10K102/00
CPC分类号: H10K50/166 , H10K50/115 , H10K50/156 , H10K59/122 , H10K59/353 , H10K71/00 , H10K2102/351
摘要: 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
发明人: Wenhai MEI , Zhuo LI
摘要: 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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公开(公告)号:US20240221851A1
公开(公告)日:2024-07-04
申请号:US17996293
申请日:2021-11-30
发明人: Yunsik IM , Shunhang ZHANG , Fuqiang LI , Changfeng LI , Liwei LIU , Hehe HU , Ce NING , Hui ZHANG , Hongrun WANG , Zhuo LI
CPC分类号: G11C19/28 , G09G3/20 , G09G2310/0267 , G09G2310/0286
摘要: The present disclosure provides a shift register unit, a gate driving circuit and a display device. The shift register unit provided by the present disclosure includes: an input sub-circuit, an output sub-circuit, at least one pull-down control sub-circuit, at least one pull-down sub-circuit, at least one first noise reduction sub-circuit, and a reverse bias sub-circuit; the reverse bias sub-circuit is configured to control transistors in at least part of sub-circuits connected to a pull-up node to be in a reverse bias state through a power voltage signal in response to a potential of the pull-up node, or control the transistors in at least part of the sub-circuits connected to the pull-up node to be in the reverse bias state through a cascade signal in response to a potential of a cascade signal terminal.
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公开(公告)号:US20240267680A1
公开(公告)日:2024-08-08
申请号:US18021544
申请日:2022-05-27
发明人: Yanling HAN , Wenqu LIU , Qi YAO , Lei WANG , Hua HUANG , Zhuo LI , Yonggang CAO , Yue GOU , Yaqian JI , Qianyan LI , Yingzi WANG
CPC分类号: H04R7/10 , H04R31/003
摘要: Provides are an ultrasonic transducer, a fabrication method thereof and an electronic device. The ultrasonic transducer includes: an array substrate having a groove, a bottom electrode and an insulation layer, wherein an orthographic projection of the groove on the array substrate is within an orthographic projection of the bottom electrode on the array substrate, and the insulation layer covers the bottom electrode; and an opposite substrate, the opposite substrate and the array substrate are oppositely arranged and are attached to each other, the opposite substrate and the array substrate form a cavity in the groove, the opposite substrate has a top electrode and a vibrating diaphragm layer which are arranged in stack, and an orthographic projection of the top electrode on the array substrate is within the orthographic projection of the bottom electrode on the array substrate.
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10.
公开(公告)号:US20240032412A1
公开(公告)日:2024-01-25
申请号:US18036386
申请日:2020-12-25
发明人: Zhuo LI
CPC分类号: H10K85/111 , C09K11/703 , C09K11/623 , C09K11/02 , H10K85/654 , H10K50/115
摘要: 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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