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公开(公告)号：US11611015B2
公开(公告)日：2023-03-21
申请号：US16767900
申请日：2019-12-18
发明人： Wenhai Mei , Xiaoyuan Zhang
IPC分类号： H01L33/06 , B82Y40/00 , H01L31/0352 , H01L33/00
摘要： Disclosed are a quantum dot display panel, a manufacturing method thereof and a display device. The manufacturing method includes: forming a first functional layer on a substrate; processing the first functional layer so that the first functional layer includes a processed region and the processed region includes ions having a first polarity; forming a quantum dot layer having a second polarity in the processed region. The second polarity and the first polarity are opposite electrical polarities.
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公开(公告)号：US11834595B2
公开(公告)日：2023-12-05
申请号：US17352478
申请日：2021-06-21
发明人： Xiaoyuan Zhang
IPC分类号： C09K11/56 , C01B19/04 , C01G9/08 , B82Y20/00 , B82Y30/00 , B82Y40/00 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/115
CPC分类号： C09K11/565 , C01B19/04 , C01G9/08 , B82Y20/00 , B82Y30/00 , B82Y40/00 , H10K50/115 , H10K50/15 , H10K50/16 , H10K50/17
摘要： A method for manufacturing a quantum dot film is provided. A substrate plate is provided. A plurality of quantum dot material layers capable of emitting light having different colors are sequentially formed on the substrate plate, wherein at least one of the quantum dot material layers includes a plurality of quantum dots. A local crosslinking process is performed on at least one of the quantum dot material layers, so as to crosslink the crosslinkable ligands in a region emitting light having a corresponding color in the quantum dot material layer. A fluorescence quenching process is performed on the quantum dot material layer subjected to the local crosslinking process, so as to quench the fluorescence of quantum dots outside the region emitting light having the corresponding color in the quantum dot material layer. A display panel and a method for manufacturing the same are also provided.
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公开(公告)号：US20240237388A1
公开(公告)日：2024-07-11
申请号：US17922821
申请日：2021-12-29
发明人： Zhigao Lu , Haowei Wang , Xiaoyuan Zhang , Zhuo Chen
IPC分类号： H10K50/16 , H10K50/115 , H10K71/20 , H10K101/30 , H10K102/00
CPC分类号： H10K50/166 , H10K50/115 , H10K71/233 , H10K2101/30 , H10K2102/351
摘要： The present application provides a light emitting device and a producing method thereof, and a display device, which relates to the technical field of displaying, and may solve the problem of quantum-dot remaining. A light emitting device, wherein the light emitting device includes: a plurality of light emitting areas that are arranged in an array, and non-light emitting areas between neighboring light emitting areas; each of the light emitting areas includes an inorganic electron transporting layer, an organic electron transporting layer and a quantum-dot layer that are arranged sequentially in layer configuration; and an absolute value of a difference between an energy value of a lowest unoccupied molecular orbital of the inorganic electron transporting layer and an energy value of a lowest unoccupied molecular orbital of the organic electron transporting layer is less than or equal to a preset value.
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公开(公告)号：US12127464B2
公开(公告)日：2024-10-22
申请号：US17429523
申请日：2020-03-18
发明人： Wenhai Mei , Zhenqi Zhang , Aidi Zhang , Xiaoyuan Zhang , Haowei Wang
IPC分类号： H10K71/00 , H10K50/125 , H10K50/115
CPC分类号： H10K71/00 , H10K50/125 , H10K50/115
摘要： Embodiments of the present disclosure provide a quantum dot light emitting device, a preparation method thereof and a quantum dot display panel, the method includes: forming a first function layer; forming a first sacrificial layer and a first photoresist layer; patterning the first photoresist layer; patterning the first sacrificial layer, the first function layer includes a first part and a second part, and the first sacrificial layer pattern and the first photoresist pattern are stacked on the first part, the second part is exposed by the first sacrificial layer pattern and the first photoresist pattern; forming a first quantum dot material layer; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first photoresist pattern and the first quantum dot material layer on the first sacrificial layer pattern, retaining the first quantum dot material layer on the second part of the first function layer.
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公开(公告)号：US11987736B2
公开(公告)日：2024-05-21
申请号：US16965457
申请日：2019-09-17
发明人： Wenhai Mei , Zhenqi Zhang , Xiaoyuan Zhang
IPC分类号： C09K11/02 , B82Y20/00 , C07C211/54 , C09K11/88 , H10K50/115 , B82Y40/00
CPC分类号： C09K11/025 , C07C211/54 , C09K11/883 , H10K50/115 , B82Y20/00 , B82Y40/00
摘要： Embodiments of the present disclosure provide a quantum dot ligand, a quantum dot material, and a quantum dot light emitting device. In a quantum dot ligand of general formula (I), n is 1, 2, 3, or 4; two of X, Y, and Z are G1 group and G2 group, respectively, and the remaining one is selected from the group consisting of G1 group, G2 group, and hydrogen, wherein the G1 group, for each occurrence, is independently selected from —(CH2)m-L-(CH2)n—R1, wherein R1 is a coordination group, m is 0 to 6, n is 0 to 6, and L is a divalent group or absent; the G2 group, for each occurrence, is independently selected from a C4-20 alkyl having a carbon chain with more than 4 carbon atoms.
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公开(公告)号：US11958999B2
公开(公告)日：2024-04-16
申请号：US17286428
申请日：2020-09-11
发明人： Wenhai Mei , Zhenqi Zhang , Aidi Zhang , Xiaoyuan Zhang , Haowei Wang
IPC分类号： C09K11/02 , B82Y20/00 , B82Y40/00 , C07C59/90 , C09D11/037 , C09D11/50 , C09K11/88 , H10K50/115 , H10K71/13 , H10K85/30
CPC分类号： C09K11/025 , C07C59/90 , C09D11/037 , C09D11/50 , C09K11/883 , H10K85/381 , B82Y20/00 , B82Y40/00 , H10K50/115 , H10K71/13
摘要： The present disclosure relates to a ligand for a quantum dot, a ligand quantum dot, a quantum dot layer and a method for patterning the same. The surface of the ligand quantum dot of the present disclosure is connected with the cleavage-type ligand including a first ligand unit A, a cleavage unit B, and an adhesion adjusting unit C. The method includes: providing a substrate; coating a mixture containing the ligand quantum dot on the substrate to form a quantum dot film; exposing a preset region of the quantum dot film to ultraviolet light, so that the cleavage unit B in the cleavage-type ligand undergoes a photolysis reaction, and a molecular segment containing the adhesion adjusting unit C and obtained after decomposition is detached from a surface of the quantum dot; and washing off an unexposed region of the quantum dot film with an organic solvent, followed by drying.
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公开(公告)号：US20220310983A1
公开(公告)日：2022-09-29
申请号：US17429523
申请日：2020-03-18
发明人： Wenhai Mei , Zhenqi Zhang , Aidi Zhang , Xiaoyuan Zhang , Haowei Wang
摘要： Embodiments of the present disclosure provide a quantum dot light emitting device, a preparation method thereof and a quantum dot display panel, the method includes: forming a first function layer; forming a first sacrificial layer and a first photoresist layer; patterning the first photoresist; patterning the first sacrificial layer, the first function layer includes a first part and a second part, and the first sacrificial layer pattern and the first photoresist pattern are stacked on the first part, the second part is exposed by the first sacrificial layer pattern and the first photoresist pattern; forming a first quantum dot material layer; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first photoresist pattern and the first quantum dot material layer on the first sacrificial layer pattern, retaining the first quantum dot material layer on the second part of the first function layer.
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