Patents by Inventor Yishan FU

Yishan FU 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: 11403982
    Abstract: A shift register unit circuit, a driving method thereof, a scanning drive circuit and a display panel are provided. The shift register unit circuit includes an input sub-circuit configured to set a level at a first node to be an effective level when an input terminal is at an effective level; at least two transmission sub-circuits configured to set a level at a coupled output control node to be an effective level when the first node is at the effective level; and at least two output sub-circuits, each of which is configured to conduct a coupled first clock signal terminal to a coupled output terminal when the coupled output control node is at an effective level.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: August 2, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Han Zhang
  • Patent number: 11282470
    Abstract: This disclosure discloses a shift register element, a method for driving the same, a gate driver circuit, and a display device. The shift register element comprises a first input circuit, a second input circuit, a first node control circuit, a second node control circuit, a third node control circuit, and N output circuits, where the first input circuit, the second input circuit, and the first node control circuit are configured to control a first node, the second node control circuit is configured to control a second node so that the third node control circuit controls the third node according to the first node and the second node, and the N output circuits control corresponding output terminals according to corresponding clock signal terminals under the control of the first node.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: March 22, 2022
    Assignees: BOE Technology Group Co., Ltd.
    Inventors: Yishan Fu, Jun Fan, Han Zhang, Fuqiang Li
  • Patent number: 11222566
    Abstract: A shift register circuit, a scan driving circuit, a display device and method for driving the scan driving circuit are provided. The shift register circuit includes: an input circuit for providing an active level for the first node upon receiving the active level of scan trigger signal; a trigger circuit for outputting the active level of scan trigger signal at the second node when first node is at the active level and a first clock signal is at first level; a locking circuit for locking the level of first node as inactive level when a first control signal is at the active level; and an output circuit for outputting a gate turn-on voltage during a period in which the second node is at an active level of the scan trigger signal, and outputting a voltage same as voltage of a second control signal during other periods other than the period.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 11, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang, Yue Shan, Taiyang Liu
  • Publication number: 20210343210
    Abstract: A shift register unit circuit, a driving method thereof, a scanning drive circuit and a display panel are provided. The shift register unit circuit includes an input sub-circuit configured to set a level at a first node to be an effective level when an input terminal is at an effective level; at least two transmission sub-circuits configured to set a level at a coupled output control node to be an effective level when the first node is at the effective level; and at least two output sub-circuits, each of which is configured to conduct a coupled first clock signal terminal to a coupled output terminal when the coupled output control node is at an effective level.
    Type: Application
    Filed: November 23, 2018
    Publication date: November 4, 2021
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Han Zhang
  • Patent number: 11100834
    Abstract: A gate driving sub-circuit, a driving method and a gate driving circuit are provided. The gate driving sub-circuit includes an input signal end, a shift signal output end, an inverted phase shift signal output end, a positive phase shift clock signal input end, an inverted phase shift clock signal input end, a first control clock signal input end, a second control clock signal input end, a first gate driving signal output end, a second gate driving signal output end, a shift register circuit and a control output circuit. The control output circuit includes a first control output sub-circuit and a second control output sub-circuit.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: August 24, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang
  • Publication number: 20210183326
    Abstract: This disclosure discloses a shift register element, a method for driving the same, a gate driver circuit, and a display device. The shift register element comprises a first input circuit, a second input circuit, a first node control circuit, a second node control circuit, a third node control circuit, and N output circuits, where the first input circuit, the second input circuit, and the first node control circuit are configured to control a first node, the second node control circuit is configured to control a second node so that the third node control circuit controls the third node according to the first node and the second node, and the N output circuits control corresponding output terminals according to corresponding clock signal terminals under the control of the first node.
    Type: Application
    Filed: August 1, 2018
    Publication date: June 17, 2021
    Inventors: Yishan FU, Jun FAN, Han ZHANG, Fuqiang LI
  • Patent number: 11011247
    Abstract: A source driving sub-circuit includes a shift register circuit and a latch circuit. The latch circuit includes a resetter and a latch. The resetter is coupled to an enabling signal terminal, a reset signal terminal and the latch. The latch is coupled to the shift register circuit and a data signal terminal. The latch is configured to receive signals output from the shift register circuit and at least in response to the signals output from the shift register circuit. And the resetter is configured to receive a signal provided from the enabling signal terminal and a signal provided from the reset terminal, and reset the at least one data signal latched by the latch in response to the signal provided from the enabling signal terminal.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: May 18, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiguo Wang, Jun Fan, Yishan Fu
  • Patent number: 10923057
    Abstract: A pixel circuit and a display device are provided. The pixel circuit includes: a first inverter circuit having an input terminal connected to a first node and an output terminal connected to a second node; a second inverter circuit having an input terminal connected to the second node and an output terminal connected to a third node; a first switching circuit configured to disconnect a connection between the first node and the third node when a first scanning signal is at an active level; and a control circuit configured to control a level of at least one of the first node and the second node according to a level control signal when the first scanning signal is at an active level. Based on this, it can help to avoid the output signal abnormality of the latch inside the pixel and enhance the working stability of the pixel circuit.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 16, 2021
    Assignees: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang
  • Patent number: 10825537
    Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes: an input circuit used to provide a pull-up node with a first control signal from a first control signal terminal; N output circuits, wherein an i-th output circuit is used to provide an i-th output terminal with an i-th clock signal from an i-th clock signal terminal; a pull-down control circuit used to provide a pull-down node with a first power source signal from a first power source terminal, and to provide the pull-down node with a second power source signal from a second power source terminal; and a pull-down circuit used to provide each output terminal and the pull-up node with the second power source signal.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: November 3, 2020
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Han Zhang
  • Publication number: 20200251173
    Abstract: A source driving sub-circuit includes a shift register circuit and a latch circuit. The latch circuit includes a resetter and a latch. The resetter is coupled to an enabling signal terminal, a reset signal terminal and the latch. The latch is coupled to the shift register circuit and a data signal terminal. The latch is configured to receive signals output from the shift register circuit and at least in response to the signals output from the shift register circuit. And the resetter is configured to receive a signal provided from the enabling signal terminal and a signal provided from the reset terminal, and reset the at least one data signal latched by the latch in response to the signal provided from the enabling signal terminal.
    Type: Application
    Filed: August 7, 2018
    Publication date: August 6, 2020
    Inventors: Jiguo WANG, Jun FAN, Yishan FU
  • Publication number: 20200160769
    Abstract: A gate driving sub-circuit, a driving method and a gate driving circuit are provided. The gate driving sub-circuit includes an input signal end, a shift signal output end, an inverted phase shift signal output end, a positive phase shift clock signal input end, an inverted phase shift clock signal input end, a first control clock signal input end, a second control clock signal input end, a first gate driving signal output end, a second gate driving signal output end, a shift register circuit and a control output circuit. The control output circuit includes a first control output sub-circuit and a second control output sub-circuit.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 21, 2020
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yishan FU, Jun FAN, Fuqiang LI, Jiguo WANG
  • Publication number: 20190385688
    Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes: an input circuit used to provide a pull-up node with a first control signal from a first control signal terminal; N output circuits, wherein an i-th output circuit is used to provide an i-th output terminal with an i-th clock signal from an i-th clock signal terminal; a pull-down control circuit used to provide a pull-down node with a first power source signal from a first power source terminal, and to provide the pull-down node with a second power source signal from a second power source terminal; and a pull-down circuit used to provide each output terminal and the pull-up node with the second power source signal.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 19, 2019
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Han Zhang
  • Patent number: 10504938
    Abstract: The present application provides an array substrate and a method of manufacturing the same. The array substrate includes a first substrate having a drain electrode protruding from a side of the first substrate; a planarization layer at the side of the first substrate where the drain electrode protrudes, the planarization layer being provided with a stepped hole on the drain electrode, and a diameter of the stepped hole decreasing along a direction from a side of the planarization layer facing away the first substrate towards a side of the planarization layer facing the first substrate; a pixel electrode at the stepped hole and connected with the drain electrode; a passivation layer covering the planarization layer and the pixel electrode; and a common electrode on the passivation layer.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: December 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yuelin Wang, Yanyan Zhao, Jingyi Xu, Lei Li, Yezhou Fang, Tienan Liu, Yanwei Ren, Yishan Fu, Weida Qin
  • Publication number: 20190189039
    Abstract: A shift register circuit, a scan driving circuit, a display device and method for driving the scan driving circuit are provided. The shift register circuit includes: an input circuit for providing an active level for the first node upon receiving the active level of scan trigger signal; a trigger circuit for outputting the active level of scan trigger signal at the second node when first node is at the active level and a first clock signal is at first level; a locking circuit for locking the level of first node as inactive level when a first control signal is at the active level; and an output circuit for outputting a gate turn-on voltage during a period in which the second node is at an active level of the scan trigger signal, and outputting a voltage same as voltage of a second control signal during other periods other than the period.
    Type: Application
    Filed: September 28, 2018
    Publication date: June 20, 2019
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang, Yue Shan, Taiyang Liu
  • Publication number: 20190180706
    Abstract: A pixel circuit and a display device are provided. The pixel circuit includes: a first inverter circuit having an input terminal connected to a first node and an output terminal connected to a second node; a second inverter circuit having an input terminal connected to the second node and an output terminal connected to a third node; a switching circuit configured to disconnect a connection between the first node and the third node when a first scanning signal is at an active level; and a control circuit configured to control a level of at least one of the first node and the second node according to a level control signal when the first scanning signal is at an active level. Based on this, it can help to avoid the output signal abnormality of the latch inside the pixel and enhance the working stability of the pixel circuit.
    Type: Application
    Filed: October 25, 2018
    Publication date: June 13, 2019
    Inventors: Yishan Fu, Jun Fan, Fuqiang Li, Jiguo Wang
  • Patent number: 10269282
    Abstract: A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes: an input circuit, an output circuit, a pull-up-node pull-down circuit, a first control circuit, a second control circuit and an output pull-down circuit. The first control circuit is configured to write a fourth clock signal into a first pull-down node and write a first power voltage into a second pull-down node responsive to a first control signal, and to write the first power voltage into the first pull-down node responsive to a voltage of a pull-up node. The second control circuit is configured to write the fourth clock signal into the second pull-down node and write the first power voltage into the first pull-down node responsive to a second control signal, and to write the first power voltage into the second pull-down node responsive to the voltage of the pull-up node.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: April 23, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yue Shan, Jun Fan, Jiguo Wang, Yishan Fu, Mingchao Ma
  • Publication number: 20190057985
    Abstract: The present application provides an array substrate and a method of manufacturing the same. The array substrate includes a first substrate having a drain electrode protruding from a side of the first substrate; a planarization layer at the side of the first substrate where the drain electrode protrudes, the planarization layer being provided with a stepped hole on the drain electrode, and a diameter of the stepped hole decreasing along a direction from a side of the planarization layer facing away the first substrate towards a side of the planarization layer facing the first substrate; a pixel electrode at the stepped hole and connected with the drain electrode; a passivation layer covering the planarization layer and the pixel electrode; and a common electrode on the passivation layer.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 21, 2019
    Inventors: Yuelin WANG, Yanyan ZHAO, Jingyi XU, Lei LI, Yezhou FANG, Tienan LIU, Yanwei REN, Yishan FU, Weida QIN
  • Publication number: 20180342187
    Abstract: A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes: an input circuit, an output circuit, a pull-up-node pull-down circuit, a first control circuit, a second control circuit and an output pull-down circuit. The first control circuit is configured to write a fourth clock signal into a first pull-down node and write a first power voltage into a second pull-down node responsive to a first control signal, and to write the first power voltage into the first pull-down node responsive to a voltage of a pull-up node. The second control circuit is configured to write the fourth clock signal into the second pull-down node and write the first power voltage into the first pull-down node responsive to a second control signal, and to write the first power voltage into the second pull-down node responsive to the voltage of the pull-up node.
    Type: Application
    Filed: September 13, 2017
    Publication date: November 29, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Yue SHAN, Jun FAN, Jiguo WANG, Yishan FU, Mingchao MA