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: 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: 20200311888
    Abstract: Embodiments of the present disclosure provides an image processing method, comprising: acquiring an initial image comprising an image of pupil; acquiring an accumulative histogram set of grayscale values of pixels in the initial image; determining a threshold for binarizing the initial image according to a grayscale value corresponding to a target region in respective accumulative histograms in the accumulative histogram set, wherein the target region corresponds to the image of pupil in the initial image; and binarizing the initial image according to the threshold. An image processing apparatus and a wearable device are further provided.
    Type: Application
    Filed: December 18, 2019
    Publication date: October 1, 2020
    Inventors: Gang Li, Lili Chen, Jiankang Sun, Fuqiang Ma, Liyang Cui, Minglei Chu, Yachong Xue
  • Patent number: 10789864
    Abstract: The present disclosure provides a display screen and a display apparatus, the display screen comprising: a special-shaped display panel (01) of an irregular closed shape, and a display driving circuit (02) which is bonded at any edge of the special-shaped display panel (01) and configured to supply respective signals to gate lines and data lines in the special-shaped display panel (01).
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: September 29, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Xue Dong, Hailin Xue, Xiaochuan Chen, Haisheng Wang, Fuqiang Li, Lei Wang, Changfeng Li, Haifeng Xu, Yanzhao Peng, Weixin Meng, Dawei Shi, Jian Guo
  • Patent number: 10788913
    Abstract: An array substrate includes: thin film transistors disposed on a base substrate; pixel electrodes disposed on a side of the thin film transistors facing away from the base substrate, each pixel electrode being coupled with a drain of a corresponding thin film transistor; common electrodes disposed on a side of the pixel electrodes facing away from the thin film transistors; and touch electrodes disposed on a side of the common electrodes facing away from the pixel electrodes, each touch electrode being coupled with a corresponding common electrode.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 29, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Mingchao Ma, Jun Fan, Fuqiang Li
  • Publication number: 20200272746
    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: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Hong ZHANG, Haitao JIANG, Linqing WANG, Xinyu WENG, Fuqiang LI, Feng LIN, Jun WU, Xiaodong ZENG, Lei YANG
  • Publication number: 20200274715
    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: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Fuqiang LI, Linqing WANG, Hong ZHANG, Haitao JIANG, Xinyu WENG, Zongru ZHAN
  • Publication number: 20200255421
    Abstract: The present invention provides a tetrahydroprotoberberine compound represented by the formula (I), enantiomers, diastereomers, racemates and mixtures thereof, and pharmaceutically acceptable salts, crystalline hydrates and solvates thereof. The invention also provides a method for preparing the compound and the use thereof in the preparation of a medicament for preventing and/or treating central nervous system diseases.
    Type: Application
    Filed: August 14, 2018
    Publication date: August 13, 2020
    Inventors: Yang HE, Xiangrui JIANG, Jianfeng LI, Yu WANG, Zhen WANG, Weiming CHEN, Fuqiang ZHU, Chunhui WU, Rongxia ZHANG, Jingshan SHEN, Hualiang JIANG
  • Patent number: 10729199
    Abstract: A wearable equipment is adapted for substation maintenance mobile inspection and includes a binding strap and a controlling wireless communication module. A thermal imager is disposed on one side of the binding strap. A prism display component and a voice interaction module are disposed on the other side of the binding strap. The thermal imager, the prism display component, and a microphone and a speaker of the voice interaction module are connected to the controlling wireless communication module through cables, to transmit information in a power system intranet. An application method includes mounting the wearable equipment to an electric power helmet, and automatically sending an infrared image, a visible light image, power monitoring information, voice, and a video in a power operation area to a background management controlling system for the substation maintenance mobile inspection.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 4, 2020
    Assignees: STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED, STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED MAINTENANCE COMPANY, STATE GRID CORPORATION OF CHINA
    Inventors: Jiusong Jiang, Fuqiang Xiong, Xigui Li, Wenqi Mao, Gang Li, Ting Zhou, Peng Sun, Wen Kang, Chaofeng Zhang, Zhiping Mao, Zuosheng Li, Kai Dong, Jianli Wu, Hong Zhang, Ling Luo, Guoqi Zhang
  • Publication number: 20200238263
    Abstract: A method for preparing a bi-component, multi-network nanofibrous aerogel-supported heterojunction photocatalyst includes the following steps. Step 1, preparing ammoniated polyacrylonitrile nanofibers. Step 2, dispersing the ammoniated polyacrylonitrile nanofibers in water to obtain a first solution; dispersing cellulose nanofibers in water to obtain a second solution; and mixing, heating and lyophilizing the first solution with the second solution to obtain a bi-component, multi-network nanofibrous aerogel. Step 3, adding graphite carbon nitride, a ferric-iron containing reagent, 2,5-diaminoterephthalic acid, and the bi-component, multi-network nanofiber aerogel obtained in the step 2 into a N, N-dimethylformamide solvent to obtain a third solution, and carrying out a hydrothermal reaction on the third solution for 8-24 hours to obtain the bi-component, multi-network nanofibrous aerogel-supported heterojunction photocatalyst.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 30, 2020
    Applicant: NANJING UNIVERSITY
    Inventors: Fuqiang LIU, Jinli QIU, Pei FAN, Cailiang YUE, Ranran YUAN, Aimin LI
  • Publication number: 20200243013
    Abstract: Disclosed are a pixel circuitry, a method for driving the same and a display device. The pixel circuitry includes a light-emitting element, a driving circuit, a compensation control circuit, an initialization circuit, an energy storage circuit, a writing control circuit and a light-emitting control circuit. The driving circuit is configured to drive the light-emitting element to emit light. The initialization circuit is configured to write an initialization voltage to a control end of the driving circuit to control the driving circuit to be turned on or off. The compensation control circuit is configured to turn on the driving circuit and perform threshold voltage compensation on the driving circuit. The writing control circuit is configured to write a data voltage inputted by a data line to a second end of the energy storage circuit and write a reference voltage to the second end of the energy storage circuit.
    Type: Application
    Filed: October 14, 2019
    Publication date: July 30, 2020
    Applicants: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhichong WANG, Fuqiang LI, Jing FENG, Peng LIU, Xinglong LUAN
  • Publication number: 20200226781
    Abstract: An image processing method and an image processing includes, when a current frame contains a target picture, taking the current frame as a reference frame for tracking and taking a set of matching points in the current frame, which match the target picture as an initial set of tracking points, to perform tracking of the target picture; obtaining a next frame and determining a set of tracking points of the next frame based on the initial set of tracking points; determining whether the number of tracking points in the set of tracking points is less than a first preset threshold; and, when the number of tracking points in the set of tracking points is less than the first preset threshold, determining supplementary tracking points and adding the supplementary tracking points to the set of tracking points.
    Type: Application
    Filed: August 4, 2019
    Publication date: July 16, 2020
    Inventors: Fuqiang MA, Jiankang SUN, Gang LI, Hongzhen XUE, Zehua DONG
  • Publication number: 20200226789
    Abstract: A camera calibration plate, a camera calibration method and device, and an image acquisition system are described. The camera calibration plate includes a planar plate body, and a plurality of groups of concentric circles on the planar plate body. The plurality of groups of concentric circles are same and include solid circle center points. The plurality of groups of concentric circles are distributed in an array.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Fuqiang MA, Hongzhen XUE, Lili CHEN, Hao ZHANG, Gang LI, Minglei CHU
  • Patent number: 10706767
    Abstract: A shift register unit circuit includes an input circuit configured to supply an active potential to a first node responsive to an input pulse from an input terminal being active and to supply an inactive potential to the first node responsive to a reset pulse from a reset terminal being active; an output circuit configured to supply a first clock signal to an output terminal responsive to a second node being at the active potential and to cause a potential at the second node to be changed from the active potential to further away from the inactive potential responsive to a transition of a potential at the output terminal transitioning from the inactive potential to the active potential; and a potential control circuit configured to restrict a change in the potential at the first node caused by the transition of the potential at the output terminal from the inactive potential to the active potential.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: July 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jun Fan, Wei Li, Fuqiang Li
  • 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: 20200152152
    Abstract: The present application discloses a pixel circuit of a display panel. The pixel circuit includes a first latch-control sub-circuit configured to provide a data signal under controls of a first scan signal, a latch sub-circuit including a first inverter having an input terminal coupled to receive the data signal and a second inverter, a second latch-control sub-circuit configured to disconnect the second inverter from the first inverter to form an open circuit under controls of the first scan signal or form a latch loop under controls of a second scan signal to stabilize two voltage levels at the first output terminal of the first inverter and the second output terminal of the second output inverter, and an output sub-circuit configured to switch connection between an output terminal and two reference voltage ports under controls of the two voltage levels alternatively.
    Type: Application
    Filed: December 13, 2017
    Publication date: May 14, 2020
    Applicants: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fuqiang Li, Jun Fan
  • Publication number: 20200141988
    Abstract: A device for determining impedance at a data pin of a communication interface. In one embodiment, the device includes a current source configured to selectively inject a test current to the data pin. The device also includes a sensing circuit for sensing a first test voltage corresponding to a voltage at the data pin without the test current injected, and a second test voltage corresponding to another voltage at the data pin with the test current injected. The sensing circuit determines the impedance at the data pin based on the first test voltage and the second test voltage.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Fuqiang Shi, Jianming Yao, Weihai Huang, Yong Li, John William Kesterson
  • Publication number: 20200134209
    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: Application
    Filed: October 30, 2019
    Publication date: April 30, 2020
    Inventors: Hong ZHANG, Haitao JIANG, Linqing WANG, Xinyu WENG, Fuqiang LI, Feng LIN, Jun WU, Xiaodong ZENG, Lei YANG
  • Publication number: 20200136832
    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: Application
    Filed: October 23, 2019
    Publication date: April 30, 2020
    Inventors: Fuqiang LI, Linqing WANG, Hong ZHANG, Haitao JIANG, Xinyu WENG, Zongru ZHAN
  • Publication number: 20200081312
    Abstract: The invention provides a mechanically flexible, electrically conductive, and optically transparent silver nanowire film and demonstrates its specific application in light transmission controlling devices.
    Type: Application
    Filed: September 9, 2018
    Publication date: March 12, 2020
    Inventors: Shengyun Huang, Fuqiang Ren, Dongling Ma, Shiyong Zhao, Dawei Zhang, Yanan Li, Shuyong Xiao
  • Patent number: 10578944
    Abstract: The present invention provides quantum dots-integrated inorganic-organic hybrid nanorods and the method to make such nanohybrids. It also provides a method to assemble light transmission controlling devices using the nanohybrids provided in this invention. In this invention, the developed nanohybrids for particular light controlling devices, more specifically SPDs have been disclosed.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 3, 2020
    Assignee: ZHEJIANG JINGYI NEW MATERIAL TECHNOLOGY CO., LTD
    Inventors: Fuqiang Ren, Shengyun Huang, Dongling Ma, Shiyong Zhao, Dawei Zhang, Yanan Li, Shuyong Xiao