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: 10494901
    Abstract: A ball-dropping sliding sleeve with a removable ball seat, comprising an outer barrel (1), an inner sliding sleeve (6) and a removable ball seat assembly; an inner ring downward facing shoulder (2) is disposed at an upper end of the outer barrel (1), a lower joint (3) is fixedly mounted in a lower end of the outer barrel (1), a sliding groove (4) is formed in the outer barrel (1) between the downward facing shoulder (2) and the lower joint (3), and at least one fracturing lateral hole (5) is distributed on a circumference of the outer barrel (1) at an upper side of the sliding groove (4). The structure of the present invention is reasonable and compact, and its usage is convenient.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: December 3, 2019
    Assignee: CNPC Xibu Drilling Engineering Company Limited
    Inventors: Shengpeng Zhang, Xiaojun Li, Fei Gao, Feiyue Wang, Xin Zhang, Fuqiang Li
  • Publication number: 20190212853
    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: Application
    Filed: December 19, 2018
    Publication date: July 11, 2019
    Inventors: Mingchao MA, Jun FAN, Fuqiang LI
  • 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
  • Publication number: 20190172845
    Abstract: An array structure and a manufacturing method thereof are disclosed. The method for manufacturing the array structure includes: forming a gate insulating layer on a substrate; and etching the gate insulating layer at a position corresponding to a source/drain signal access terminal to form a through-hole structure provided with an outward-inclined side wall in the gate insulating layer.
    Type: Application
    Filed: January 24, 2019
    Publication date: June 6, 2019
    Applicants: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Dawei Shi, Xinyou Ji, Fuqiang Li, Jian Guo
  • Patent number: 10283536
    Abstract: A method for manufacturing an array substrate includes (S1) forming a pattern including a gate electrode and a gate line, (S2) forming an insulating layer, (S3) forming a pattern including an active layer, where the region where the active layer is arranged includes a first region corresponding to the gate electrode and second regions arranged on both sides of the first region, (S4) forming a mask pattern including a hollowed-out portion, a first portion and a second portion, wherein the second portion has a thickness smaller than the first portion, (S5) etching the insulating layer to form a via hole for exposing a portion of the gate line, and (S6) ashing a portion of the mask pattern corresponding to the second region to remove the portion of the mask pattern corresponding to the second region, and implanting ions into the active layer.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: May 7, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventor: Fuqiang Li
  • Publication number: 20190080780
    Abstract: Embodiments of the present disclosure provide a shift register circuitry and a driving method thereof, a gate driving circuitry, and a display device. The shift register circuitry includes an input circuit and a plurality of output circuits coupled to the input circuit. The input circuit is coupled to an input signal terminal, and is configured to, under the control of the voltage at the input signal terminal, cause the plurality of output circuits to operate. Each of the plurality of output circuits is coupled to a respective clock signal terminal and a respective output signal terminal, and is configured to operate to couple the clock signal terminal to the output signal terminal so as to output a driving signal at the output signal terminal.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 14, 2019
    Inventors: Jiguo WANG, Jun FAN, Fuqiang LI
  • Patent number: 10229937
    Abstract: An array structure and a manufacturing method thereof are disclosed. The method for manufacturing the array structure includes: forming a gate insulating layer on a glass substrate; and etching the gate insulating layer at a position corresponding to a source/drain signal access terminal, and forming a through-hole structure provided with an outward-inclined side wall in the gate insulating layer. Conductive films in the source/drain signal access terminal and a gate signal access terminal which have wires thereof alternate with each other have a same height, so that the forces applied to conductive balls can be more uniform, and hence the conductivity can be improved.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: March 12, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Dawei Shi, Xinyou Ji, Fuqiang Li, Jian Guo
  • Patent number: 10217428
    Abstract: An output control unit of a shift register, a shift register and a driving method thereof, and a gate driving device. The output control unit includes N pull-up units, N pull-down units, and N signal output terminals. The nth pull-up unit is connected with a pull-up node, a high voltage source, an nth clock signal input terminal and an nth pull-down unit, the nth pull-down unit is connected to a pull-down node and a low voltage power source, and a connection point of the nth pull-up unit and the nth pull-down unit is further connected to the nth signal output terminal. The output control unit is configured to: provide clock signals from N clock signal input terminals to the N signal output terminals respectively under the control of a voltage of the pull-up node, and pull down levels of output signals of the N signal output terminals.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: February 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jun Fan, Jie Zhang, Fuqiang Li
  • Publication number: 20190057637
    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: Application
    Filed: August 31, 2017
    Publication date: February 21, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jun FAN, Wei LI, Fuqiang LI
  • Patent number: 10210789
    Abstract: A display panel, driving method thereof and display apparatus are provided. The display panel comprises 4N gate lines, drive controlling circuit (1) connected to respective gate driving circuits and configured to output a group of timing control signals to respective gate driving circuits, and mode switching circuit (2) connected to drive controlling circuit (1), which can control drive controlling circuit (1) to drive all gate driving circuits to output scan signals sequentially to respective first gate line groups by taking two adjacent gate lines as first gate line group in scanning direction when receiving first mode control signal; and/or control drive controlling circuit (1) to drive all gate driving circuits to output scan signals sequentially to respective second gate line groups by taking four adjacent gate lines as second gate line group in scanning direction when receiving second mode control signal. Therefore, power consumption can be reduced, and standby-time can be prolonged.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: February 19, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fuqiang Li, Jun Fan, Xiaochuan Chen, Xue Dong
  • Patent number: 10198135
    Abstract: There are provided a touch circuit, a touch panel and a display apparatus.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: February 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fei Huang, Yun Qiao, Fuqiang Li, Cheng Li
  • Publication number: 20190013083
    Abstract: The present disclosure provides a shift register unit and a gate scanning circuit. In the shift register unit, when a first scanning pulse inputting terminal is at a first level, a voltage at a first node is pulled by a first DC voltage terminal; when a second scanning pulse inputting terminal is at the first level, the voltage at a first node is pulled by a second DC voltage terminal. In addition, each stage of the shift register unit have two scanning pulse outputting terminal. In a next period after the first scanning pulse outputting terminal outputs gate driving signals to the Nth row of pixel units, the second scanning pulse outputting terminal may output gate voltages to the (N+1)th row of pixel units.
    Type: Application
    Filed: July 18, 2017
    Publication date: January 10, 2019
    Inventors: Jiguo Wang, Fuqiang Li
  • Patent number: 10177173
    Abstract: A touch drive circuit and a driving method therefor, an array substrate and a touch display apparatus relate to a field of display. The driving method includes: during touch scanning time period in one frame, by each of output control unit (2), receiving a touch enable signal, a common voltage signal and a touch scanning signal, and receiving an output signal of an shift register unit connected with the output control unit; and outputting, by each of the output control units, the touch scanning signal to a touch drive electrode connected with the touch control unit in a first time period according to the touch enable signal and the output signal of the shift register unit connected with the output control unit, wherein the first time period is scanning time allocated to the touch drive electrode in one frame of time.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 8, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jun Fan, Fuqiang Li, Fei Huang, Yun Qiao
  • Publication number: 20190006018
    Abstract: A shift register unit circuit is disclosed that includes a first node control circuit, a second node control circuit, and a plurality of output circuits. Each of the plurality of output circuits is connected to a respective output terminal and provides a gate drive signal to the respective output terminal. Also disclosed are a method of driving the shift register unit circuit, a gate drive circuit, and a display apparatus.
    Type: Application
    Filed: September 4, 2017
    Publication date: January 3, 2019
    Inventors: Jun FANG, Jie ZHANG, Jiguo WANG, Fuqiang LI
  • Patent number: 10109225
    Abstract: A panel function test circuit is able to perform a function test when a display panel is in a first state and is able to perform electrostatic protection when the display panel is in a second state, whereby the display panel requires fewer components and less wiring space.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Fuqiang Li, Cheng Li, Seongjun An
  • Patent number: 10081061
    Abstract: The present invention provides an aluminum wheel burr removing machine which includes a roller bed device (1), a positioning and rotating device (2) and a knife box device (3). A wheel (4) is conveyed to a specified position by the roller bed device (1), the positioning and rotating mechanism (2) clamps and rotates the wheel (4), the knife box device (3) horizontally feeds to cut burrs of the wheel (4), the roller bed device (1) conveys the wheel to next station, meanwhile, next wheel enters the roller bed device (1), and next cutting cycle is carried out. The machining time of the present invention is 25-30 seconds, so that the manpower cost is reduced, the machining efficiency is improved, and positive effects are achieved in hub burr removal.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 25, 2018
    Assignee: Qinhuangdao Xinyue Intelligent Equipment Co., LTD
    Inventors: Yan Sun, Fuqiang Li, Shuangyong Liu, Shaojiang Wang, Yonggang Zhao, Lijie Song, Xu Hou, Guoxin Xiao, Fanbo Meng, Yanchao Ren
  • Publication number: 20180240377
    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: Application
    Filed: May 3, 2017
    Publication date: August 23, 2018
    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: 10032807
    Abstract: An array substrate and a fabrication method thereof, and a display panel are provided. The array substrate includes: a base substrate; an isolation layer on the base substrate; and a first thin film transistor on the isolation layer and a first gate line extending in a gate line direction, wherein the first thin film transistor includes a first gate electrode and a first active layer, the isolation layer includes a protrusion portion which extends in the gate line direction and protrudes upwards with respect to the base substrate, and each of orthogonal projections of the first active layer and the first gate electrode of the first thin film transistor on the main surface of the base substrate is overlapped with an orthogonal projection of the first lateral surface of the protrusion portion on the main surface of the base substrate.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: July 24, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Xingyu Peng, Fuqiang Li
  • Publication number: 20180204859
    Abstract: A method for manufacturing an array substrate includes (S1) forming a pattern including a gate electrode and a gate line, (S2) forming an insulating layer, (S3) forming a pattern including an active layer, where the region where the active layer is arranged includes a first region corresponding to the gate electrode and second regions arranged on both sides of the first region, (S4) forming a mask pattern including a hollowed-out portion, a first portion and a second portion, wherein the second portion has a thickness smaller than the first portion, (S5) etching the insulating layer to form a via hole for exposing a portion of the gate line, and (S6) ashing a portion of the mask pattern corresponding to the second region to remove the portion of the mask pattern corresponding to the second region, and implanting ions into the active layer.
    Type: Application
    Filed: July 22, 2016
    Publication date: July 19, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventor: Fuqiang LI