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).

  • Publication number: 20230021634
    Abstract: In an embodiment an over the air (OTA )system software upgrade control method includes accessing, by a terminal device, an OTA server, and obtaining version information of a target system software upgrade package that is on the OTA server and whose version is later than a current system software version of the terminal device, requesting, by the terminal device, from a management device, authorization information corresponding to the version information of the target system software upgrade package, determining, by the terminal device in response to the authorization information that is received from the management device and that corresponds to the version information of the target system software upgrade package, that the target system software upgrade package is obtainable from the OTA server, and obtaining the target system software upgrade package from the OTA server, wherein the authorization information indicates whether the terminal device is allowed to obtain the target system software upgrade packag
    Type: Application
    Filed: December 22, 2020
    Publication date: January 26, 2023
    Inventors: Chaohui He, Zhenqi Zhang, Xiaodong Chen
  • Publication number: 20220385531
    Abstract: 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: Application
    Filed: November 13, 2020
    Publication date: December 1, 2022
    Inventors: Xiaodong CHEN, Zhenqi ZHANG
  • Publication number: 20220384758
    Abstract: 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: Application
    Filed: March 30, 2020
    Publication date: December 1, 2022
    Inventors: Wenhai MEI, Zhenqi ZHANG, Aidi ZHANG
  • Patent number: 11495641
    Abstract: A displaying base plate including multiple pixels. The first sub-pixel includes a first electrode, a first inorganic layer and a first quantum-dot layer sequentially stacked; the first inorganic layer includes a first inorganic material modified by a first group, and the first quantum-dot layer includes a first quantum dot modified by a first ligand; the second sub-pixel includes a second electrode, a second inorganic layer and a second quantum-dot layer sequentially stacked; the second inorganic layer includes a second inorganic material modified by a second group, and the second quantum-dot layer includes a second quantum dot modified by a second ligand; the third sub-pixel includes a third electrode, a third inorganic layer and a third quantum-dot layer sequentially stacked; and the third inorganic layer includes a third inorganic material modified by a third group, and the third quantum-dot layer includes a third quantum dot modified by a third ligand.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: November 8, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventor: Zhenqi Zhang
  • Publication number: 20220310983
    Abstract: 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.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 29, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Wenhai Mei, Zhenqi Zhang, Aidi Zhang, Xiaoyuan Zhang, Haowei Wang
  • Patent number: 11453820
    Abstract: A ligand-modified quantum dot composition, a ligand-modified quantum dot layer, preparation methods thereof, and a quantum dot light emitting diode are provided. Segment B of the ligand modifier in the ligand-modified quantum dot composition is a chain-cleavable segment, that is, segment B is a longer molecular chain, so that the material has good solubility and stability, thus the ligand-modified quantum dot composition is present in the form of a solution or ink, etc. Segment B itself is not very stable and may be cleaved under certain conditions. In specific applications, the group in segment B may be cleaved by heating or illumination, so that the ligand modifier becomes a short molecular chain ligand, thereby making the quantum dots densely stack and improving the carrier transfer performance.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventor: Zhenqi Zhang
  • Patent number: 11450807
    Abstract: A TADF polymer includes a main chain, and at least one TADF reactive group and at least one quantum dot coordinating group respectively grafted onto the main chain.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 20, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventor: Zhenqi Zhang
  • Patent number: 11316140
    Abstract: A display substrate, comprising a plurality of light emitting units of different colors, each of which comprises: an electron transport layer, a hole transport layer, a quantum-dot light emitting layer located between the electron transport layer and the hole transport layer; and a hydrophilicity and hydrophobicity variable layer, located between the electron transport layer and the quantum-dot light emitting layer and configured to undergo an exposure treatment to change hydrophilicity and hydrophobicity of sides of the hydrophilicity and hydrophobicity variable layer that are in contact with the electron transport layer and the quantum-dot light emitting layer.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: April 26, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Aidi Zhang, Zhenqi Zhang
  • Publication number: 20220059801
    Abstract: 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: Application
    Filed: March 26, 2021
    Publication date: February 24, 2022
    Inventor: Zhenqi ZHANG
  • Publication number: 20220045295
    Abstract: 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: Application
    Filed: March 9, 2021
    Publication date: February 10, 2022
    Inventor: Zhenqi ZHANG
  • Publication number: 20220037424
    Abstract: A displaying base plate including multiple pixels. The first sub-pixel includes a first electrode, a first inorganic layer and a first quantum-dot layer sequentially stacked; the first inorganic layer includes a first inorganic material modified by a first group, and the first quantum-dot layer includes a first quantum dot modified by a first ligand; the second sub-pixel includes a second electrode, a second inorganic layer and a second quantum-dot layer sequentially stacked; the second inorganic layer includes a second inorganic material modified by a second group, and the second quantum-dot layer includes a second quantum dot modified by a second ligand; the third sub-pixel includes a third electrode, a third inorganic layer and a third quantum-dot layer sequentially stacked; and the third inorganic layer includes a third inorganic material modified by a third group, and the third quantum-dot layer includes a third quantum dot modified by a third ligand.
    Type: Application
    Filed: March 3, 2021
    Publication date: February 3, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Zhenqi Zhang
  • Publication number: 20220013752
    Abstract: 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: Application
    Filed: March 8, 2021
    Publication date: January 13, 2022
    Inventors: Wenhai Mei, Zhenqi Zhang, Zhihong Wu
  • Publication number: 20210388259
    Abstract: 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: Application
    Filed: September 11, 2020
    Publication date: December 16, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhai MEI, Zhenqi ZHANG, Aidi ZHANG, Xiaoyuan ZHANG, Haowei WANG
  • Publication number: 20210313533
    Abstract: A display substrate includes: a backplane; a first electrode layer disposed on a side of the backplane; and a light-emitting layer disposed on a side of the first electrode layer away from the backplane. The light-emitting layer includes nanoparticles and a product that is obtained by an electrochemical reaction of electrochemically active groups contained in first organic ligands coordinated to the nanoparticles. The nanoparticles are cross-linked together through the product.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 7, 2021
    Inventor: Zhenqi ZHANG
  • Publication number: 20210253948
    Abstract: 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: Application
    Filed: April 16, 2020
    Publication date: August 19, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Zhenqi ZHANG
  • Publication number: 20210066673
    Abstract: A display substrate, comprising a plurality of light emitting units of different colors, each of which comprises: an electron transport layer, a hole transport layer, a quantum-dot light emitting layer located between the electron transport layer and the hole transport layer; and a hydrophilicity and hydrophobicity variable layer, located between the electron transport layer and the quantum-dot light emitting layer and configured to undergo an exposure treatment to change hydrophilicity and hydrophobicity of sides of the hydrophilicity and hydrophobicity variable layer that are in contact with the electron transport layer and the quantum-dot light emitting layer.
    Type: Application
    Filed: March 20, 2020
    Publication date: March 4, 2021
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Aidi ZHANG, Zhenqi ZHANG
  • Publication number: 20200332181
    Abstract: A ligand-modified quantum dot composition, a ligand-modified quantum dot layer, preparation methods thereof, and a quantum dot light emitting diode are provided. Segment B of the ligand modifier in the ligand-modified quantum dot composition is a chain-cleavable segment, that is, segment B is a longer molecular chain, so that the material has good solubility and stability, thus the ligand-modified quantum dot composition is present in the form of a solution or ink, etc. Segment B itself is not very stable and may be cleaved under certain conditions. In specific applications, the group in segment B may be cleaved by heating or illumination, so that the ligand modifier becomes a short molecular chain ligand, thereby making the quantum dots densely stack and improving the carrier transfer performance.
    Type: Application
    Filed: March 16, 2018
    Publication date: October 22, 2020
    Inventor: Zhenqi ZHANG
  • Patent number: 10559273
    Abstract: Embodiments of the present invention disclose a display screen control method and apparatus, and a terminal. The method in the embodiments of the present invention includes obtaining a height difference and an acceleration that are generated when a terminal moves from an initial position to a target position and determining, according to the height difference and the acceleration, whether a first predetermined movement is satisfied. The method also includes when the first predetermined movement is satisfied, triggering the terminal to turn on a display screen.
    Type: Grant
    Filed: February 15, 2015
    Date of Patent: February 11, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Wei Liu, Zhenqi Zhang
  • Publication number: 20200028090
    Abstract: A TADF polymer includes a main chain, and at least one TADF reactive group and at least one quantum dot coordinating group respectively grafted onto the main chain.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 23, 2020
    Inventor: Zhenqi ZHANG
  • Patent number: 10392342
    Abstract: Provided is a use of an aggregation-induced emission compound in dispersion detecting of nanoparticles. The dispersion detecting of nanoparticles includes modifying the aggregation-induced emission compound on the surfaces of the nanoparticles to obtain a modified nanoparticles solution. The dispersion detecting of nanoparticles includes exciting the modified nanoparticles solution and determining the dispersion of the nanoparticles by the luminescence state of the solution.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: August 27, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Zhenqi Zhang