Patents by Inventor Yongqian Li

Yongqian Li 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: 11763741
    Abstract: A gate driving unit includes an Nth stage of shift register unit and an (N+1)th stage of shift register unit, N is a positive integer. The Nth stage of shift register unit includes an Nth stage of pull-up node control circuit, and the (N+1)th stage of shift register unit includes an (N+1)th stage of pull-up node control circuit. The Nth stage of pull-up node control circuit is electrically connected to an Nth stage of pull-up node and a control line, controls a potential of the Nth stage of pull-up node under the control of a control signal inputted by the control line. The (N+1)th stage of pull-up node control circuit is electrically connected to an (N+1)th stage of pull-up node and the control line, respectively, and controls a potential of the (N+1)th stage of pull-up node under the control of the control signal inputted by the control line.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: September 19, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11763726
    Abstract: A shift register circuit includes: an input sub-circuit connected to a first node, and configured to receive a first control signal, and cause a potential of the first node to jump from an initial potential to a first potential greater than the initial potential; an output sub-circuit connected to the first node, and configured to receive a first clock signal, generate an output signal, cause the potential of the first node to jump from the first potential to a third potential greater than the first potential; and a chamfering sub-circuit connected to the first node, and configured to receive a second control signal, cause the potential of the first node to gradually decrease from the third potential to a fourth potential greater than the initial potential and less than the third potential, and cause the potential of the first node to jump from the fourth potential to the initial potential.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: September 19, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11749158
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes a first input circuit, an output control circuit, and an output circuit. The first input circuit is configured to output a first input signal to a first node in response to a first control signal; the output control circuit is configured to output an output control signal to a second node under control of a level of the first node; and the output circuit includes an output terminal, and the output circuit is configured to output an output signal to the output terminal under control of a level of the second node.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: September 5, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230274680
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, a first control circuit, a blanking control circuit, a first output circuit, and a second output circuit. The input circuit is configured to control a level of a first node; the first control circuit is configured to control a level of the second node; the blanking control circuit is configured to control the level of the first node and the level of the second node; the first output circuit is configured to output a first output signal at the first output terminal; and the second output circuit is configured to output a second output signal at the second output terminal under control of the level of the second node.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: Xuehuan FENG, Yongqian LI
  • Publication number: 20230265533
    Abstract: The present application provides an efficient treatment method and apparatus for multiphase steel slag. According to the present application, the treatment apparatus for multiphase steel slag comprises a steel slag feeding apparatus and a drum for treating steel slag, and the steel slag feeding apparatus comprises a feeding chute; the treatment apparatus for multiphase steel slag further comprises a storage compartment disposed between the feeding chute and the drum; the storage compartment is an open cylinder, and has one end forming a working fit with the lower open end of the feeding chute and the other end being fixedly connected to and coaxial with the treatment cavity of the drum. By means of the storage compartment obliquely placed between the front of the drum and the feeding chute and used for buffering and transition, there is no need to use a slag raking apparatus, and safe technological treatment of various steel slag by a drum is implemented.
    Type: Application
    Filed: March 29, 2021
    Publication date: August 24, 2023
    Applicant: BAOSHAN IRON & STEEL CO., LTD.
    Inventors: Yongli XIAO, Yongqian LI
  • Patent number: 11735119
    Abstract: A shift register unit and a control method thereof, a gate driving circuit and a control method thereof, and a display apparatus are provided. The shift register unit includes: a first shift register coupled to an input signal terminal, a first clock signal terminal and a second clock signal terminal. The first shift register is configured to generate a first output signal based on the signal at the first clock signal terminal and generate a second output signal based on the signal at the second clock signal terminal; and a second shift register coupled to the input signal terminal and a third clock signal terminal, the second shift register is configured to generate a third output signal based on the signal at the third clock signal terminal. The first shift register includes a first control circuit, a first output circuit and a second output circuit.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 22, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan
  • Patent number: 11735086
    Abstract: Disclosed is a shift register, a gate driving circuit, a display apparatus and a driving method, the shift register including a first input sub-circuit, configured to receive a first input signal from a first input terminal and output an output blanking output control signal; a second input sub-circuit, configured to receive a second input signal from a second input terminal and output a display output control signal; a selection sub-circuit, having a first terminal connected to the second input sub-circuit, a second terminal connected to the first input sub-circuit, and a third terminal connected to a first node, configured to control a potential of the first node according to the display output control signal and the blanking output control signal; an output sub-circuit, configured to output a composite output signal via an output terminal under control of a first node.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: August 22, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230260586
    Abstract: The present disclosure provides a shift register unit, a driving method, a gate driving circuit and a display device. The shift register unit includes a pull-down node control circuit; the pull-down node control circuit is electrically connected to an input terminal, a reset terminal, a first voltage terminal, a second voltage terminal and a pull-down node, respectively, and is configured to, under the control of an input signal provided by the input terminal and a reset signal provided by the reset terminal, control the pull-down node to be electrically conducted to the first voltage terminal or the second voltage terminal, and control to hold a potential of the pull-down node.
    Type: Application
    Filed: December 29, 2020
    Publication date: August 17, 2023
    Inventors: Zhidong YUAN, Yongqian LI, Can YUAN, Wenchao BAO
  • Patent number: 11727853
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a blanking unit, a first transmission circuit and a first input-output unit. The blanking unit is configured to charge a pull-up control node in response to a compensation selection control signal and input a blanking pull-up signal to a blanking pull-up node. The first transmission circuit is electrically connected to the blanking pull-up node and the first pull-up node; and the first input-output unit includes a first leakage preventing structure, the first leakage preventing structure is electrically connected to the first pull-up node and a first leakage preventing node respectively, and the leakage preventing structure is configured to control a level of the first leakage preventing node under the control of the level of the first pull-up node to prevent the first pull-up node from leaking.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: August 15, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230252943
    Abstract: The present disclosure provides a display control method and a display control device. The display control method is used for a display panel. The display panel includes at least a first display area and a second display area arranged in a first direction, the first display area is coupled to a first signal line, and the second display area is coupled to a second signal line. The display control method includes: controlling a first sub-pixel in the first display area to display an image via the first signal line; and controlling a second sub-pixel in the second display area to display an image via the second signal line. A light-emission phase of the first sub-pixel at most partially overlaps a light-emission phase of the second sub-pixel.
    Type: Application
    Filed: September 13, 2021
    Publication date: August 10, 2023
    Inventors: Zhidong YUAN, Can YUAN, Yongqian LI, Lang LIU
  • Publication number: 20230247872
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a gate driving circuit including a first transistor; a base substrate; a functional layer located on a side of the base substrate, a material of the functional layer is a thermal conductive material, and the functional layer includes a first functional portion; an active layer located on a side of the functional layer away from the base substrate, the active layer includes a first active portion including at least one first active sub-portion which is configured to form a channel region of the first transistor; a second conductive layer located on a side of the active layer away from the base substrate, the second conductive layer includes a first conductive portion connected to the first functional portion through a first via hole.
    Type: Application
    Filed: November 19, 2021
    Publication date: August 3, 2023
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan FENG, Yongqian LI
  • Patent number: 11705047
    Abstract: A shift-register unit includes a first circuit including a first input circuit coupled via a first node to a first output circuit, and a second circuit including a second input circuit coupled via a second node to a second output circuit. The first input circuit is configured to control a voltage level of the first node in response to a first input signal. The first output circuit is configured to output a shift-register signal and a first output signal in response to the voltage level of the first node. The second input circuit is configured to control a voltage level of the second node in response to the first input signal. The second output circuit is configured to output a second output signal in response to the voltage level of the second node. The first input circuit and the second input circuit have a same circuit structure.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: July 18, 2023
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Joint Technology Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li, Xing Zhang
  • Publication number: 20230215331
    Abstract: A shift register comprises a first shift register unit and a second shift register unit. The first shift register unit comprises a first input circuit connected to a first input terminal and a first pull-up node, a first output circuit connected to the first pull-up node, a first output terminal and a first clock terminal, and a first pull-down circuit. The second shift register unit comprises a second input circuit connected to a second input terminal and a second pull-up node, and a second output circuit connected to the second pull-up node, a second output terminal and a second clock signal.
    Type: Application
    Filed: March 9, 2023
    Publication date: July 6, 2023
    Inventors: Xuehuan FENG, Yongqian LI
  • Patent number: 11688318
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, a first control circuit, a blanking control circuit, a first output circuit, and a second output circuit. The input circuit is configured to control a level of a first node in response to an input signal input; the first control circuit is configured to control a level of the second node; the blanking control circuit is configured to control the level of the first node and the level of the second node; the first output circuit is configured to output a first output signal at the first output terminal under control of the level of the first node; and the second output circuit is configured to output a second output signal at the second output terminal under control of the level of the second node.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: June 27, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11688316
    Abstract: A pixel circuit includes a data line, a sensing line, a first pixel sub-circuit and a second pixel sub-circuit. The first pixel sub-circuit includes a first writing unit, a first sensing unit and a first driving unit. The first driving unit is configured to drive a first light-emitting unit to emit light. The second pixel sub-circuit includes a second writing unit, a second sensing unit and a second driving unit. The second driving unit is configured to drive a second light-emitting unit to emit light. The first writing unit and the second sensing unit are both configured to be connected to a gate driving unit. The second writing unit and the first sensing unit are both configured to be connected to another gate driving unit.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: June 27, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11688326
    Abstract: Disclosed is a shift register including a first input sub-circuit, configured to receive a first input signal from a first input terminal and output a blanking output control signal to a first node in a blanking period of time of a frame; a second input sub-circuit, configured to receive a second input signal from a second input terminal and output a display output control signal to the first node in a display period of time of the frame; an output sub-circuit, configured to output a composite output signal via an output terminal under control of the first node, the composite output signal including a display output signal outputted in a display period of time and a blanking output signal outputted in a blanking period of time which are independent of each other.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: June 27, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230196971
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a blanking unit, a first transmission circuit and a first input-output unit. The blanking unit is configured to charge a pull-up control node in response to a compensation selection control signal and input a blanking pull-up signal to a blanking pull-up node. The first transmission circuit is electrically connected to the blanking pull-up node and the first pull-up node; and the first input-output unit includes a first leakage preventing structure, the first leakage preventing structure is electrically connected to the first pull-up node and a first leakage preventing node respectively, and the leakage preventing structure is configured to control a level of the first leakage preventing node under the control of the level of the first pull-up node to prevent the first pull-up node from leaking.
    Type: Application
    Filed: February 23, 2023
    Publication date: June 22, 2023
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230196994
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-circuit, a second sub-circuit, a leakage prevention circuit and a blanking input sub-circuit, wherein the first sub-circuit comprises a first input circuit and a first output circuit; the second sub-circuit comprises a second input circuit and a second output circuit; the leakage prevention circuit is configured to control a level of a leakage prevention node under control of the level of the first node, so as to turn off a circuit connected between the first node and the leakage prevention node; and the blanking input sub-circuit is connected to the first node and the second node, and is configured to receive a selection control signal and a first clock signal, and control the level of the first node and the level of the second node.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Xuehuan FENG, Yongqian LI, Hao LIU
  • Patent number: 11676541
    Abstract: The present disclosure provides a shift resister unit, a gate driving circuit, a display device, and a method for controlling a shift register unit. The shift register unit incudes a first input sub-circuit, a first output sub-circuit, a first reset sub-circuit, a second input sub-circuit, and a third input sub-circuit. The first input sub-circuit is configured to change a potential of a first node in a first phase. The first output sub-circuit is configured to output a gate driving signal in the first phase and output a compensation driving signal in a second phase. The first reset sub-circuit is configured to reset the first node. The second input sub-circuit is configured to change a potential of a second node in the first phase and maintain the potential of the second node. The third input sub-circuit is configured to change the potential of the first node in the second phase.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: June 13, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP GO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230180547
    Abstract: A display panel and a display device are provided, since a plurality of source ICs (01) are arranged, a large-sized display panel is driven, and since the plurality of source ICs (01) are scattered around a display area (A) along the tangential directions of the edge of the display area (A), that is, the source ICs (01) are distributed according to the shape of the display panel, a distance between the source ICs (01) and the display area (A) is shortened, and thus a narrow bezel design of the display panel is facilitated.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 8, 2023
    Inventors: Pan XU, Li SUN, Dacheng ZHANG, Lang LIU, Chen XU, Yongqian LI