Patents by Inventor Fuqiang Li

Fuqiang 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: 11393378
    Abstract: A gate driving circuit unit, a gate driving circuit and a display device are provided. The gate driving circuit unit includes a pull-up node noise-reduction circuit and a pull-up control circuit. The pull-up node noise-reduction circuit is electrically connected to an input end, a pull-down node and a pull-up node, and configured to control the pull-up node to be electrically connected to, or electrically disconnected from, the input end under the control of a potential at the pull-down node. The pull-up control circuit is electrically connected to the pull-up node and the input end, and configured to control the pull-up node to be electrically connected to the input end at an input stage.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Guangcai Yuan, Fuqiang Li, Liwei Liu, Jing Feng, Peng Liu, Xinglong Luan
  • Patent number: 11385732
    Abstract: The present disclosure relates to the field of touch display technologies, and provides an array substrate, a manufacturing method thereof, a touch display panel and a touch display device. The array substrate includes a base substrate, and a plurality of thin film transistors, an insulating planarization layer, a plurality of pixel electrodes, a plurality of touch electrodes and a plurality of common electrodes formed sequentially on the base substrate. The insulating planarization layer has a plurality of vias exposing a drain of each thin film transistor respectively. Each pixel electrode is connected to a drain of a corresponding thin film transistor through a via in the insulating planarization layer, and each common electrode is connected to a corresponding touch electrode.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: July 12, 2022
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Mingchao Ma, Jun Fan, Fuqiang Li
  • Patent number: 11361089
    Abstract: Provided is a method for blockchain-based recordkeeping and implementable by a terminal device. The method comprises: obtaining target data; computing a data digest of the target data, and extracting a key segment from the target data; signing, in a secure operation environment included in the terminal device, the data digest and/or the key segment based on a private key associated with the terminal device to generate a signature; and submitting to a blockchain the data digest, the key segment, and the signature, for one or more nodes in the blockchain to verify the signature based on a public key corresponding to the private key, and to record the data digest and the key segment in the blockchain in response to the signature being verified to be valid.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: June 14, 2022
    Assignee: ADVANCED NEW TECHNOLOGIES CO., LTD.
    Inventors: Hong Zhang, Haitao Jiang, Linqing Wang, Xinyu Weng, Fuqiang Li, Feng Lin, Jun Wu, Xiaodong Zeng, Lei Yang
  • Patent number: 11361703
    Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: June 14, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Liu, Bailing Liu, Fuqiang Li, Zhichong Wang, Jing Feng, Xinglong Luan
  • Publication number: 20220172665
    Abstract: A pixel circuit includes: a charge storage circuit with first and second terminals thereof electrically coupled to first and second nodes, respectively; a reset circuit with first, second and third control terminals thereof electrically coupled to a reference signal line, a first initialization signal line, and a second initialization signal line, respectively, with fourth, fifth and sixth terminals thereof electrically coupled to the first node, a cathode of a photodiode and the second node, respectively; a photosensitive control circuit with first, second and third terminals thereof electrically coupled to an anode of the photodiode, the first node and the second node, respectively; an output circuit with first and second terminals thereof electrically coupled to a first level terminal and a fourth terminal of the photosensitive control circuit, respectively.
    Type: Application
    Filed: September 29, 2021
    Publication date: June 2, 2022
    Inventors: Lubin SHI, Fuqiang LI, Tingting ZHOU
  • Publication number: 20220157259
    Abstract: A display panel includes a display region and a bezel region. The bezel region includes multiple multiplexing circuits, and at least one multiplexing circuit includes m multiplexing units, 2n multiplexing control signal lines, m first multiplexing data signal lines, at least one second multiplexing data signal line and n data signal output lines. A multiplexing unit is configured to receive a gating signal of a first multiplexing data signal line based on control signals of the 2n multiplexing control signal lines in a first stage, and in a second stage, based on the gating signal, to write a first type data signal of the first multiplexing data signal line or a second type data signal of a second multiplexing data signal line into a data signal line through a data signal output line when a scan signal is input to a scan signal line.
    Type: Application
    Filed: September 15, 2021
    Publication date: May 19, 2022
    Inventors: Hongrun WANG, Fuqiang LI, Changfeng LI, Hui ZHANG, Xue DONG
  • Patent number: 11334202
    Abstract: The disclosure provides a touch panel, a control method and a control device thereof, and a display device. The touch panel comprises at least one first touch area and at least one second touch area, wherein a density of touch electrodes in the first touch area is greater than a density of touch electrodes in the second touch area.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: May 17, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo Wang, Fuqiang Li
  • Publication number: 20220148504
    Abstract: A display panel, a method for driving the display panel, and a display apparatus are provided. The display panel includes multiple pixel islands. At least one pixel island includes multiple sub-pixels, at least one of the sub-pixel includes a pixel driving circuit and a light-emitting device, and at least one pixel driving circuit is connected to the light-emitting devices in the multiple sub-pixels. The multiple sub-pixels are located in one pixel island or in different pixel islands, and the at least one pixel driving circuit is connected to a time-sharing control signal line, wherein the time-sharing control signal line is used to control multiple light-emitting devices to emit light at the same time or to emit light in a time-sharing manner.
    Type: Application
    Filed: September 27, 2021
    Publication date: May 12, 2022
    Inventors: Hongrun WANG, Hui ZHANG, Changfeng LI, Fuqiang LI, Xue DONG
  • Patent number: 11328072
    Abstract: Provided is a method for blockchain-based recordkeeping and implementable by a terminal device. The method comprises: obtaining target data; computing a data digest of the target data, and extracting a key segment from the target data; signing, in a secure operation environment included in the terminal device, the data digest and/or the key segment based on a private key associated with the terminal device to generate a signature; and submitting to a blockchain the data digest, the key segment, and the signature, for one or more nodes in the blockchain to verify the signature based on a public key corresponding to the private key, and to record the data digest and the key segment in the blockchain in response to the signature being verified to be valid.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 10, 2022
    Assignee: ADVANCED NEW TECHNOLOGIES CO., LTD.
    Inventors: Hong Zhang, Haitao Jiang, Linqing Wang, Xinyu Weng, Fuqiang Li, Feng Lin, Jun Wu, Xiaodong Zeng, Lei Yang
  • Patent number: 11328652
    Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 10, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Liu, Bailing Liu, Fuqiang Li, Zhichong Wang, Jing Feng, Xinglong Luan
  • Publication number: 20220130943
    Abstract: A display substrate includes a base substrate, a first light-shielding layer, a plurality of first sub-pixels and a first power line. The first light-shielding layer is disposed on a side of the base substrate, the first light-shielding layer is located at least in a first display area, and has a plurality of openings arranged in an array. The first sub-pixels are disposed at a side of the first light-shielding layer away from the base substrate and are located in the first display area, and orthogonal projections of the first sub-pixels on the base substrate are non-overlapping with orthogonal projections of the openings on the base substrate. The first power line includes a first power bus and a plurality of first power sub-lines, and the first light-shielding layer is electrically connected to the first power line.
    Type: Application
    Filed: May 12, 2020
    Publication date: April 28, 2022
    Inventors: Bo WANG, Fuqiang LI
  • Publication number: 20220130309
    Abstract: A gate driving unit includes: a pull-up node denoising circuit; a pull-down node control circuit; a pull-up node control circuit; and an energy storage circuit. The pull-up node denoising circuit is configured to, under control of a potential of the pull-down node, control coupling or discoupling between the first pull-up node and the input terminal. The pull-down node control circuit is configured to, under control of a control voltage, control the potential of the pull-down node; under control of a potential of the second pull-up node, control coupling or discoupling between the pull-down node and the input terminal. The pull-up node control circuit is configured to, under control of an anti-leakage control voltage, control coupling or discoupling between the first pull-up node and the second pull-up node, and configured to maintain the potential of the second pull-up node. The energy storage circuit is configured to store electric energy.
    Type: Application
    Filed: June 23, 2021
    Publication date: April 28, 2022
    Inventors: Zhichong WANG, Guangcai YUAN, Fuqiang LI, Jing FENG, Xinglong LUAN, Peng LIU
  • Publication number: 20220130310
    Abstract: A gate driving circuit unit, a gate driving circuit and a display device are provided. The gate driving circuit unit includes a pull-up node noise-reduction circuit and a pull-up control circuit. The pull-up node noise-reduction circuit is electrically connected to an input end, a pull-down node and a pull-up node, and configured to control the pull-up node to be electrically connected to, or electrically disconnected from, the input end under the control of a potential at the pull-down node. The pull-up control circuit is electrically connected to the pull-up node and the input end, and configured to control the pull-up node to be electrically connected to the input end at an input stage.
    Type: Application
    Filed: June 23, 2021
    Publication date: April 28, 2022
    Inventors: Zhichong WANG, Guangcai YUAN, Fuqiang LI, Liwei LIU, Jing FENG, Peng LIU, Xinglong LUAN
  • Patent number: 11308838
    Abstract: A shift register includes a first transistor, a second transistor, a pull-up node and a switch sub-circuit. A control electrode of the first transistor is connected to a signal input terminal, a first electrode of the first transistor is connected to a first voltage terminal, and a second electrode of the first transistor is connected to a first control node. A control electrode of the second transistor is connected to a reset signal terminal, a first electrode of the second transistor is connected to a second voltage terminal, and a second electrode of the second transistor is connected to the first control node. The switching sub-circuit is connected to the first control node and the pull-up node, and is configured to control a line between the first control node and the pull-up node to be closed and opened.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: April 19, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Fuqiang Li, Jing Feng, Peng Liu, Xinglong Luan
  • 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: 11258612
    Abstract: A method for blockchain-based data verification is provided. The method includes: obtaining target data submitted by a data submitter, wherein a first data digest of the target data is recorded in a blockchain; computing a second data digest of the target data; determining whether the second data digest matches the first data digest of the target data recorded in the blockchain; and determining that the target data submitted by the data submitter is valid in response to determining that the second data digest matches the first data digest of the target data recorded in the blockchain.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 22, 2022
    Assignee: ADVANCED NEW TECHNOLOGIES CO., LTD.
    Inventors: Fuqiang Li, Linqing Wang, Hong Zhang, Haitao Jiang, Xinyu Weng, Zongru Zhan
  • Patent number: 11232749
    Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display device. The pixel circuit includes: a driving circuit, including a control terminal, a first terminal and a second terminal, and configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; and input circuit, configured to transmit a reset voltage and a data signal in response to a first scan signal; a reset circuit, configured to apply the reset voltage to the control terminal in response to a second scan signal; a compensation circuit, configured to store the data signal and to electrically connect the control terminal with the second terminal in response to a third scan signal; and a data writing circuit, configured to apply the data signal to the compensation circuit in response to the third scan signal.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: January 25, 2022
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhichong Wang, Fuqiang Li, Jing Feng, Peng Liu, Xinglong Luan, Gaoming Sun
  • Patent number: 11227525
    Abstract: A shift register unit and a method for driving the same, a gate driving circuit and a method for driving the same, and a display apparatus. The shift register unit includes: an input sub-circuit configured to transmit a signal at an input signal terminal to a first node under control of a voltage at a second node; a discharging control sub-circuit configured to transmit a signal at a first clock signal terminal to the second node under control of a voltage at the first node; a discharging sub-circuit configured to transmit a signal at a first constant voltage signal terminal to an output signal terminal under control of the voltage at the second node; and an output sub-circuit configured to transmit a signal at a second clock signal terminal to the output signal terminal under control of the voltage at the first node.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 18, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Jing Feng, Xinglong Luan
  • 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: 20210408081
    Abstract: An array substrate, a method of manufacturing an array substrate, a display panel, and an electronic device are provided. The array substrate includes a display area and a peripheral area; the display area includes a pixel region, the pixel region includes a first thin film transistor, and the first thin film transistor includes a first active layer; the peripheral area includes a second thin film transistor, and the second thin film transistor includes a second active layer; and the first active layer includes a material of oxide semiconductor, and the second active layer includes a material of poly-silicon semiconductor.
    Type: Application
    Filed: April 8, 2019
    Publication date: December 30, 2021
    Inventors: Peng LIU, Fuqiang LI, Jun FAN, Bailing LIU, Jianjun ZHANG, Yusheng LIU, Mei LI