Patents by Inventor Yifeng Zou

Yifeng Zou 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: 10885863
    Abstract: The present disclosure provides a shifting register and a driving method thereof, a driving circuit, and a driving method of a panel. The shifting register includes: a shifting register unit circuit configured to transmit a signal of a first voltage terminal to an output terminal and an output control terminal according to a level of a pull-down node, and transmit a signal of a clock terminal to the output terminal and the output control terminal according to a level of a pull-up node; and a control unit circuit configured to transmit the signal of the first voltage terminal to the output terminal according to signals of a first control terminal and a second control terminal.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: January 5, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY TECHNOLOGY GROUP CO., LTD.
    Inventors: Mindong Zheng, Hui Wang, Yifeng Zou, Qiang Liu
  • Patent number: 10885854
    Abstract: A gate drive circuit, a control method thereof, and a display device are disclosed. The gate drive circuit includes a plurality of cascaded shift registers, and at least one coded control sub-circuit; wherein each stage of the shift registers is configured to transmit a received signal to a next stage of the shift registers and the coded control sub-circuit. The coded control sub-circuit is configured to receive a coded signal, and transmit a voltage at the first voltage terminal or the second voltage terminal to the drive signal output terminal according to a signal output from a shift register coupled to the control sub-circuit under the control of the coded signal.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: January 5, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yifeng Zou, Hui Wang, Qiang Liu
  • Patent number: 10748465
    Abstract: A gate drive circuit, a display device and a driving method are provided. The gate drive circuit includes a scan signal generation circuit and output control circuits in N stages. The scan signal generation circuit includes first output terminals in 2N stages, and is configured to output scan pulse signals in an order at the first output terminals in 2N stages; each of the output control circuits in N stages includes an input terminal, a first control terminal, a second control terminal, a second output terminal, and a bootstrap circuit, and is configured to control the bootstrap circuit, under control of a first control signal received by the first control terminal, an input signal received by the input terminal, and a second control signal received by the second control terminal, to output an output pulse signal with different pulse levels at the second output terminal.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 18, 2020
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifeng Zou, Yongxian Xie, Xiong Xiong
  • Patent number: 10699620
    Abstract: A gate drive circuit, a display device and a driving method are provided. The gate drive circuit includes a scan signal generation circuit and output control circuits in N stages. The scan signal generation circuit includes first output terminals in 2N stages, and is configured to output scan pulse signals in an order at the first output terminals in 2N stages; each of the output control circuits in N stages includes an input terminal, a first control terminal, a second control terminal, a second output terminal, and a bootstrap circuit, and is configured to control the bootstrap circuit, under control of a first control signal received by the first control terminal, an input signal received by the input terminal, and a second control signal received by the second control terminal, to output an output pulse signal with different pulse levels at the second output terminal.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: June 30, 2020
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifeng Zou, Yongxian Xie, Xiong Xiong
  • Publication number: 20200168171
    Abstract: The present disclosure provides a shifting register and a driving method thereof, a driving circuit, and a driving method of a panel. The shifting register includes: a shifting register unit circuit configured to transmit a signal of a first voltage terminal to an output terminal and an output control terminal according to a level of a pull-down node, and transmit a signal of a clock terminal to the output terminal and the output control terminal according to a level of a pull-up node; and a control unit circuit configured to transmit the signal of the first voltage terminal to the output terminal according to signals of a first control terminal and a second control terminal.
    Type: Application
    Filed: July 26, 2019
    Publication date: May 28, 2020
    Inventors: Mindong ZHENG, Hui WANG, Yifeng ZOU, Qiang LIU
  • Publication number: 20200105357
    Abstract: A shift register unit including a first output circuit configured to transfer a clock signal at a clock signal terminal to a signal output terminal as an output signal in response to a first node being at an active potential, a second output circuit configured to transfer the clock signal at the clock signal terminal to a carry output terminal as a carry output signal in response to the first node being at the active potential, and a delay circuit configured to generate a delayed version of a carry input signal in response to the carry input signal at a carry input terminal being active, and to transfer an inactive voltage at a first voltage terminal to the signal output terminal in response to the delayed version of the carry input signal being active.
    Type: Application
    Filed: August 8, 2019
    Publication date: April 2, 2020
    Inventors: Yongxian XIE, Hui WANG, Yifeng ZOU
  • Publication number: 20200090594
    Abstract: A gate drive circuit, a control method thereof, and a display device are disclosed. The gate drive circuit includes a plurality of cascaded shift registers, and at least one coded control sub-circuit; wherein each stage of the shift registers is configured to transmit a received signal to a next stage of the shift registers and the coded control sub-circuit. The coded control sub-circuit is configured to receive a coded signal, and transmit a voltage at the first voltage terminal or the second voltage terminal to the drive signal output terminal according to a signal output from a shift register coupled to the control sub-circuit under the control of the coded signal.
    Type: Application
    Filed: April 22, 2019
    Publication date: March 19, 2020
    Inventors: Yifeng Zou, Hui Wang, Qiang Liu
  • Patent number: 10565949
    Abstract: The present disclosure provides a liquid crystal display, a turnoff discharge circuit of a liquid crystal display and a driving method thereof. The liquid crystal display includes a plurality of pixel units distributed in an array, each column of pixel units being connected to a data line.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yifeng Zou, Qiang Liu, Mindong Zheng
  • Publication number: 20200035138
    Abstract: A gate drive circuit, a display device and a driving method are provided. The gate drive circuit includes a scan signal generation circuit and output control circuits in N stages. The scan signal generation circuit includes first output terminals in 2N stages, and is configured to output scan pulse signals in an order at the first output terminals in 2N stages; each of the output control circuits in N stages includes an input terminal, a first control terminal, a second control terminal, a second output terminal, and a bootstrap circuit, and is configured to control the bootstrap circuit, under control of a first control signal received by the first control terminal, an input signal received by the input terminal, and a second control signal received by the second control terminal, to output an output pulse signal with different pulse levels at the second output terminal.
    Type: Application
    Filed: April 16, 2019
    Publication date: January 30, 2020
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yifeng Zou, Yongxian Xie, Xiong Xiong
  • Publication number: 20190304391
    Abstract: The present disclosure provides a liquid crystal display, a turnoff discharge circuit of a liquid crystal display and a driving method thereof. The liquid crystal display includes a plurality of pixel units distributed in an array, each column of pixel units being connected to a data line.
    Type: Application
    Filed: October 25, 2018
    Publication date: October 3, 2019
    Inventors: Yifeng Zou, Qiang Liu, Mindong Zheng