Patents by Inventor Guohong Qin

Guohong Qin 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).

  • Patent number: 11315490
    Abstract: A pixel circuit, a driving method thereof and a display panel are disclosed. The pixel circuit includes a data writing circuit, a light-emitting drive circuit, and a voltage amplification circuit; the data writing circuit is electrically connected with a first node and is configured to write a data signal to the first node under control of a scan signal; two ends of the voltage amplification circuit are electrically connected with the first node and a second node respectively, and the voltage amplification circuit are configured to obtain an amplified voltage signal based on the data signal and write the amplified voltage signal to the second node; and the light-emitting drive circuit is electrically connected with the second node and is configured to drive a light-emitting component to emit light under control of the amplified voltage signal.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohong Qin, Xiaochuan Chen, Shengji Yang, Pengcheng Lu, Weihai Wang, Rongrong Shi
  • Patent number: 11302869
    Abstract: A manufacturing method of a via-hole connection structure, a manufacturing method of an array substrate and an array substrate are provided by the embodiments of the present disclosure, and the manufacturing method of the via-hole connection structure includes: forming an insulation layer on a base substrate and forming a first via hole in the insulation layer; forming a connection portion in the first via hole; forming a protection layer covering the connection portion on a surface of the insulation layer; forming a second via hole in the insulation layer and in the protection layer; removing at least a portion of the protection layer to expose the connection portion.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Kuanta Huang, Hui Wang, Yanming Wang, Weihai Wang, Guohong Qin, Yage Song, Jiantong Li
  • Publication number: 20210358412
    Abstract: A pixel circuit, a driving method thereof and a display panel are disclosed. The pixel circuit includes a data writing circuit, a light-emitting drive circuit, and a voltage amplification circuit; the data writing circuit is electrically connected with a first node and is configured to write a data signal to the first node under control of a scan signal; two ends of the voltage amplification circuit are electrically connected with the first node and a second node respectively, and the voltage amplification circuit are configured to obtain an amplified voltage signal based on the data signal and write the amplified voltage signal to the second node; and the light-emitting drive circuit is electrically connected with the second node and is configured to drive a light-emitting component to emit light under control of the amplified voltage signal.
    Type: Application
    Filed: December 29, 2018
    Publication date: November 18, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohong QIN, Xiaochuan CHEN, Shengji YANG, Pengcheng LU, Weihai WANG, Rongrong SHI
  • Publication number: 20210351353
    Abstract: A manufacturing method of a via-hole connection structure, a manufacturing method of an array substrate and an array substrate are provided by the embodiments of the present disclosure, and the manufacturing method of the via-hole connection structure includes: forming an insulation layer on a base substrate and forming a first via hole in the insulation layer; forming a connection portion in the first via hole; forming a protection layer covering the connection portion on a surface of the insulation layer; forming a second via hole in the insulation layer and in the protection layer; removing at least a portion of the protection layer to expose the connection portion.
    Type: Application
    Filed: December 26, 2018
    Publication date: November 11, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng LU, Xiaochuan CHEN, Shengji YANG, Kuanta HUANG, Hui WANG, Yanming WANG, Weihai WANG, Guohong QIN, Yage SONG, Jiantong LI
  • Patent number: 10886356
    Abstract: A display panel includes a base substrate, a first electrode contact portion, a light emitting layer, and a first electrode. The first electrode contact portion is disposed on the base substrate and surrounding a display area, and is separated from the display area by an isolation area. The light emitting layer covers the display area and at least a portion of the isolation area, and extends at least partially to an inner edge of the first electrode contact portion or a surface of the first electrode contact portion away from the base substrate. The first electrode is disposed on the light emitting layer and a portion of the first electrode contact portion that is not covered by the light emitting layer.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Kuanta Huang, Xiaochuan Chen, Shengji Yang, Hui Wang, Yanming Wang, Weihai Wang, Guohong Qin, Rongrong Shi, Yage Song, Jiantong Li
  • Patent number: 10726788
    Abstract: A pixel circuit includes a data write-in circuit, a voltage amplification circuit, an energy storage circuit, a driving circuit and a light-emitting element. The driving circuit includes a control end, a first end and a second end. The voltage amplification circuit is connected to a data write-in node and the control end of the driving circuit, and configured to amplify a data voltage to acquire a driving voltage, and output the driving voltage to the control end of the driving circuit. The energy storage circuit is connected to the control end of the driving circuit. The first end of the driving circuit is connected to a power source voltage end, and the second end of the driving circuit is connected to an anode of the light-emitting element. The driving circuit is configured to control the power source voltage end to be electrically connected to, or electrically disconnected from, the anode of the light-emitting element under the control of the control end.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohong Qin, Xiaochuan Chen, Shengji Yang, Pengcheng Lu, Rongrong Shi, Weihai Wang
  • Publication number: 20200075706
    Abstract: A display panel includes a base substrate, a first electrode contact portion, a light emitting layer, and a first electrode. The first electrode contact portion is disposed on the base substrate and surrounding a display area, and is separated from the display area by an isolation area. The light emitting layer covers the display area and at least a portion of the isolation area, and extends at least partially to an inner edge of the first electrode contact portion or a surface of the first electrode contact portion away from the base substrate. The first electrode is disposed on the light emitting layer and a portion of the first electrode contact portion that is not covered by the light emitting layer.
    Type: Application
    Filed: April 25, 2019
    Publication date: March 5, 2020
    Inventors: Pengcheng LU, Kuanta HUANG, Xiaochuan CHEN, Shengji YANG, Hui WANG, Yanming WANG, Weihai WANG, Guohong QIN, Rongrong SHI, Yage SONG, Jiantong LI
  • Publication number: 20200051503
    Abstract: A pixel circuit includes a data write-in circuit, a voltage amplification circuit, an energy storage circuit, a driving circuit and a light-emitting element. The driving circuit includes a control end, a first end and a second end. The voltage amplification circuit is connected to a data write-in node and the control end of the driving circuit, and configured to amplify a data voltage to acquire a driving voltage, and output the driving voltage to the control end of the driving circuit. The energy storage circuit is connected to the control end of the driving circuit. The first end of the driving circuit is connected to a power source voltage end, and the second end of the driving circuit is connected to an anode of the light-emitting element. The driving circuit is configured to control the power source voltage end to be electrically connected to, or electrically disconnected from, the anode of the light-emitting element under the control of the control end.
    Type: Application
    Filed: May 8, 2019
    Publication date: February 13, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohong QIN, Xiaochuan CHEN, Shengji YANG, Pengcheng LU, Rongrong SHI, Weihai WANG
  • Patent number: 10391113
    Abstract: Disclosed are a compound pharmaceutical composition containing Cichorium glandulosum Boiss et Hout as a lipid-lowering active ingredient and the use of the composition for preparing a drug for treating or preventing lipid metabolism disorders, wherein the composition comprises a pharmaceutically active ingredient and a pharmaceutically acceptable carrier, wherein the pharmaceutically active ingredient consists of quercetin-3-O-?-D-glucuronoside, isoquercitrin and quercetin at a molar ratio of 1.1-2.4:1.3-3.3:1.2-3.1.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: August 27, 2019
    Assignee: NANJING RUIYING RUNZE BIOPHARMAEUTICAL TECHNOLOGY CO., INC.
    Inventors: Jing Shang, Lin Ding, Guohong Qin, Tao Wang, Jun Liu, Yu Li, Ting He
  • Publication number: 20170100421
    Abstract: Disclosed are a compound pharmaceutical composition containing Cichorium glandulosum Boiss et Hout as a lipid-lowering active ingredient and the use of the composition for preparing a drug for treating or preventing lipid metabolism disorders, wherein the composition comprises a pharmaceutically active ingredient and a pharmaceutically acceptable carrier, wherein the pharmaceutically active ingredient consists of quercetin-3-O-?-D-glucuronoside, isoquercitrin and quercetin at a molar ratio of 1.1-2.4:1.3-3.3:1.2-3.1.
    Type: Application
    Filed: March 6, 2015
    Publication date: April 13, 2017
    Inventors: Jing Shang, Lin Ding, Guohong Qin, Tao Wang, Jun Liu, Yu Li, Ting He