Patents by Inventor Zhenqi Zhang
Zhenqi Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12193254Abstract: A quantum dot light-emitting device, a manufacturing method and a display device are provided. The quantum dot light-emitting device includes a cathode and an electron transport layer arranged on one side of the cathode, wherein the electron transport layer comprises a plurality of pixel regions; an adhesive layer arranged on one side of the electron transport layer, away from the cathode; a quantum dot film layer arranged on one side of the adhesive layer, away from the electron transport layer, wherein both the quantum dot film layer and the adhesive layer are located in the pixel regions; wherein the adhesive layer is respectively connected to the electron transport layer and the quantum dot film layer through at least one of chemical bonding and physical entanglement.Type: GrantFiled: November 3, 2023Date of Patent: January 7, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang
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Publication number: 20240431189Abstract: Embodiments of the present disclosure provide a preparation method of a quantum dot light emitting device and a preparation method of a quantum dot display panel, which includes: providing a base substrate; forming a first sacrificial layer on the base substrate; patterning the first sacrificial layer to form a first sacrificial layer pattern, in which the base substrate includes a first part and a second part, the first sacrificial layer pattern is on the first part, the second part is exposed by the first sacrificial layer pattern; forming a first quantum dot material layer on the base substrate; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first quantum dot material layer on the first sacrificial layer pattern, and retaining the first quantum dot material layer on the second part of the base substrate to form a first quantum dot light emitting layer.Type: ApplicationFiled: September 10, 2024Publication date: December 26, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang, Xiaoyuan Zhang, Haowei Wang
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Patent number: 12127464Abstract: 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.Type: GrantFiled: March 18, 2020Date of Patent: October 22, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang, Xiaoyuan Zhang, Haowei Wang
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Publication number: 20240294826Abstract: 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.Type: ApplicationFiled: April 22, 2024Publication date: September 5, 2024Inventors: Wenhai MEI, Zhenqi ZHANG, Xiaoyuan ZHANG
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Publication number: 20240276855Abstract: A method of patterning quantum dot layer includes: forming, on a substrate, a film layer including a photosensitive material and quantum dots with ligands on surfaces of the quantum dots; irradiating a quantum dot reserved area with light of a preset wavelength; where under irradiation with light of the preset wavelength, the photosensitive material or a product of the photosensitive material after light irradiation reacts with the ligands on the surfaces of the quantum dots, to allow the ligands to fall off from the surfaces of the quantum dots, so that solubility of the quantum dots is changed to cause the quantum dots to undergo coagulation; and removing a portion of the film layer which is not irradiated by the light of the preset wavelength, to form a patterned quantum dot portion of the quantum dot layer in the quantum dot reserved area.Type: ApplicationFiled: April 25, 2024Publication date: August 15, 2024Inventors: Wenhai MEI, Zhenqi ZHANG, Zhihong Wu
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Publication number: 20240212808Abstract: A wearable mobile monitoring device, a monitoring system, and a data transmission method are disclosed. The device includes a sensor, a processor, a first wireless communication unit and a second wireless communication unit. The processor is configured to obtain first monitoring data from the sensor; receive second monitoring data from a mobile monitoring unit through a first communication connection; under a first preset condition, transmit the first monitoring data and the second monitoring data to a near-end device through a second communication connection which is based on a same wireless communication technology as the first communication connection; and under a second preset condition, transmit the first monitoring data and the second monitoring data to a far-end device through a third communication connection which is based on a different wireless communication technology from the first communication connection.Type: ApplicationFiled: March 8, 2024Publication date: June 27, 2024Applicant: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD.Inventors: Pengpeng NIE, Weikui CHEN, Changgen CHEN, Hengxing XIA, Kui ZHANG, Zhenqi ZHANG, Li XU
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Patent number: 12022723Abstract: A method of patterning quantum dot layer includes: forming, on a substrate, a film layer including a photosensitive material and quantum dots with ligands on surfaces of the quantum dots; irradiating a quantum dot reserved area with light of a preset wavelength; where under irradiation with light of the preset wavelength, the photosensitive material or a product of the photosensitive material after light irradiation reacts with the ligands on the surfaces of the quantum dots, to allow the ligands to fall off from the surfaces of the quantum dots, so that solubility of the quantum dots is changed to cause the quantum dots to undergo coagulation; and removing a portion of the film layer which is not irradiated by the light of the preset wavelength, to form a patterned quantum dot portion of the quantum dot layer in the quantum dot reserved area.Type: GrantFiled: April 25, 2023Date of Patent: June 25, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Zhihong Wu
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Patent number: 11987736Abstract: 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.Type: GrantFiled: September 17, 2019Date of Patent: May 21, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenhai Mei, Zhenqi Zhang, Xiaoyuan Zhang
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Patent number: 11958999Abstract: 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.Type: GrantFiled: September 11, 2020Date of Patent: April 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang, Xiaoyuan Zhang, Haowei Wang
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Publication number: 20240065019Abstract: A quantum dot light-emitting device, a manufacturing method and a display device are provided. The quantum dot light-emitting device includes a cathode and an electron transport layer arranged on one side of the cathode, wherein the electron transport layer comprises a plurality of pixel regions; an adhesive layer arranged on one side of the electron transport layer, away from the cathode; a quantum dot film layer arranged on one side of the adhesive layer, away from the electron transport layer, wherein both the quantum dot film layer and the adhesive layer are located in the pixel regions; wherein the adhesive layer is respectively connected to the electron transport layer and the quantum dot film layer through at least one of chemical bonding and physical entanglement.Type: ApplicationFiled: November 3, 2023Publication date: February 22, 2024Inventors: Wenhai MEI, Zhenqi ZHANG, Aidi ZHANG
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Patent number: 11903230Abstract: A quantum dot light-emitting device, a manufacturing method and a display device are provided. The quantum dot light-emitting device includes a substrate and a cathode arranged on the substrate; an electron transport layer arranged on one side of the cathode, away from the substrate, wherein the electron transport layer comprises a plurality of pixel regions; an adhesive layer arranged on one side of the electron transport layer, away from the cathode; a quantum dot film layer arranged on one side of the adhesive layer, away from the electron transport layer, wherein both the quantum dot film layer and the adhesive layer are located in the pixel regions; wherein the adhesive layer is respectively connected to the electron transport layer and the quantum dot film layer through at least one of chemical bonding and physical entanglement.Type: GrantFiled: March 30, 2020Date of Patent: February 13, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang
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Patent number: 11863386Abstract: A mobile device management method includes: a first electronic device sends a request message including an identifier of at least one second electronic device to a first server. The first electronic device receives a DM service APP from the first server and installs the DM service APP. After the DM service APP is installed, the first electronic device can provide the MDM service. The first electronic device provides the MDM service for the second electronic device, to implement management and device system upgrade of the second electronic device.Type: GrantFiled: November 13, 2020Date of Patent: January 2, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaodong Chen, Zhenqi Zhang
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Patent number: 11795386Abstract: The present disclosure provides a method for patterning a nanoparticle layer, including steps of: (S1) connecting a first base to a surface of a predetermined area of a substrate, to form a substrate modified with the first base in the predetermined area of the substrate; (S2) depositing the nanoparticle in the predetermined area of the substrate, to form a nanoparticle layer in the predetermined area of the substrate by self-assembling, a ligand of the nanoparticle includes a second base, and the first base and the second base being connected by a hydrogen bond; and (S3) removing the nanoparticle in a non-predetermined area of the substrate.Type: GrantFiled: April 16, 2020Date of Patent: October 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhenqi Zhang
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Patent number: 11765922Abstract: A display panel comprises includes: a base substrate; a first electrode layer and a second electrode layer on a side of the base substrate; a light-emitting layer between the first electrode layer and the second electrode layer; and a carrier functional layer located at least one of between the first electrode layer and the light-emitting layer, and between the second electrode layer and the light-emitting layer. The light-emitting layer has a plurality of light-emitting portions with different emergent light wavebands; and the carrier functional layer has a plurality of carrier functional portions corresponding to the plurality of light-emitting portions, the plurality of carrier functional portions having molecular chains, which is formed by cross-linking of monomers containing functional groups under light irradiation.Type: GrantFiled: March 9, 2021Date of Patent: September 19, 2023Assignee: BOE Technology Group Co., Ltd.Inventor: Zhenqi Zhang
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Publication number: 20230263040Abstract: A method of patterning quantum dot layer includes: forming, on a substrate, a film layer including a photosensitive material and quantum dots with ligands on surfaces of the quantum dots; irradiating a quantum dot reserved area with light of a preset wavelength; where under irradiation with light of the preset wavelength, the photosensitive material or a product of the photosensitive material after light irradiation reacts with the ligands on the surfaces of the quantum dots, to allow the ligands to fall off from the surfaces of the quantum dots, so that solubility of the quantum dots is changed to cause the quantum dots to undergo coagulation; and removing a portion of the film layer which is not irradiated by the light of the preset wavelength, to form a patterned quantum dot portion of the quantum dot layer in the quantum dot reserved area.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Inventors: Wenhai MEI, Zhenqi ZHANG, Zhihong Wu
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Publication number: 20230257650Abstract: Provided by the present disclosure are a quantum dot structure, a quantum dot light emitting device, and a manufacturing method. The quantum dot structure comprises: a quantum dot body; a first ligand, the first ligand being connected to one side surface of the quantum dot body by means of a first coordinate bond, and the first ligand having the property of regulating the transmission rate of a first charge carrier; and a second ligand, the second ligand being connected to another side surface of the quantum dot body by means of a second coordinate bond, and the second ligand having the property of regulating the transmission rate of a second charge carrier, where the charge polarities of the second charge carrier and the first charge carrier are different.Type: ApplicationFiled: June 8, 2021Publication date: August 17, 2023Inventor: Zhenqi ZHANG
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Patent number: 11672162Abstract: A method of patterning quantum dot layer includes: forming, on a substrate, a film layer including a photosensitive material and quantum dots with ligands on surfaces of the quantum dots; irradiating a quantum dot reserved area with light of a preset wavelength; where under irradiation with light of the preset wavelength, the photosensitive material or a product of the photosensitive material after light irradiation reacts with the ligands on the surfaces of the quantum dots, to allow the ligands to fall off from the surfaces of the quantum dots, so that solubility of the quantum dots is changed to cause the quantum dots to undergo coagulation; and removing a portion of the film layer which is not irradiated by the light of the preset wavelength, to form a patterned quantum dot portion of the quantum dot layer in the quantum dot reserved area.Type: GrantFiled: March 8, 2021Date of Patent: June 6, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Wenhai Mei, Zhenqi Zhang, Zhihong Wu
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Publication number: 20230119074Abstract: 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.Type: ApplicationFiled: September 17, 2019Publication date: April 20, 2023Inventors: Wenhai MEI, Zhenqi ZHANG, Xiaoyuan ZHANG
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Patent number: 11631833Abstract: The present disclosure provides a light emitting device and a display apparatus. The light emitting device includes: a substrate; a first electrode, a functional layer and a second electrode which are sequentially arranged on the substrate, where the functional layer at least includes a light emitting layer, a dielectric layer is arranged between at least one of the first electrode and the second electrode and the functional layer, metal nanoparticles are arranged in the dielectric layer, and a localized plasmon resonance frequency of the metal nanoparticles is matched with a wavelength of light emitted by the light emitting layer.Type: GrantFiled: March 26, 2021Date of Patent: April 18, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhenqi Zhang
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Publication number: 20230102357Abstract: Provided in the present disclosure is a photoelectric device. For the photoelectric device, a modification layer is added on the surface of a first electrode layer on the side away from a base substrate. The presence of the modification layer can prevent the direct contact of the first electrode layer and other film layers, thereby alleviating the problem of corrosion of indium-containing oxide which constitutes the first electrode layer. Furthermore, an indium-ion trapping group contained in the modification layer can fix indium ions released after the corrosion of the indium-containing oxide to the surface of the first electrode layer, thereby preventing the indium ions from moving to the inner part of the photoelectric device, which can then increase the service life of the photoelectric device.Type: ApplicationFiled: October 22, 2021Publication date: March 30, 2023Inventor: Zhenqi ZHANG