Patents by Inventor Shengji Yang

Shengji Yang 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).

  • Publication number: 20220102665
    Abstract: This disclosure relates to an organic electroluminescent structure and, a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; a passivation protective layer formed at a side of the base substrate, in which the passivation protective layer is formed with a plurality of inner cutting portions arranged at intervals at a side facing away from the base substrate; an anode layer including a plurality of anodes arranged at intervals, and each of the anodes is correspondingly formed on the second surface; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on one anode; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer.
    Type: Application
    Filed: January 5, 2021
    Publication date: March 31, 2022
    Inventors: Li LIU, Pengcheng LU, Shengji YANG, Kui ZHANG
  • Patent number: 11287918
    Abstract: A pressure sensing device, a display panel and a method of manufacturing the same, and a display device are provided. The pressure sensing device includes a columnar electrode assembly having at least one columnar electrode and at least one columnar insulating layer that are alternately stacked in an axial direction of a columnar electrode, and an annular electrode assembly that is disposed around the columnar electrode assembly. The annular electrode assembly includes at least one annular electrode and at least one annular insulating layer that are alternately stacked in the axial direction of the columnar electrode. The annular electrode assembly and the columnar electrode assembly are insulated from each other, and are configured to form a capacitor. At least one of the at least one annular insulating layer and the at least one columnar insulating layer is an elastic insulating layer.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang, Kuanta Huang, Pengcheng Lu
  • Patent number: 11289010
    Abstract: The present application discloses a pixel driving circuit with touch-sensing function. The driving circuit includes a first drive-control sub-circuit, a display-drive sub-circuit, a second drive-control sub-circuit, and an emission-control sub-circuit connected in series to generate a drive-current to drive a light-emission device in the subpixel under control of an emission-control signal in a respective one of multiple emission duty periods of a cycle time for displaying one frame of image. The drive circuit also includes a data-input sub-circuit and a charge sub-circuit to set a first voltage to the control terminal of the display-drive sub-circuit. Additionally, the drive circuit includes a photo-sensing sub-circuit configured to reset a photo-sensing device integrated with the light-emission device in the subpixel for touch sensing in a touch-sensing period before entering any one of the multiple emission duty periods of the cycle time.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: March 29, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang, Kuanta Huang, Pengcheng Lu
  • Patent number: 11289026
    Abstract: The present disclosure provides a pixel circuit, including: a pixel driving circuit coupled to a gate line and a data line and configured to generate a driving current based on a data signal provided by the data line in response to a gate driving signal provided by the gate line and output the driving current through a current output terminal; and a shunt circuit coupled to the gate line and a first control signal line, and configured to control connection/disconnection between a first signal input terminal and a first signal output terminal in response to the gate driving signal and a first control signal provided by the first control signal line. The current output terminal is coupled to a first terminal of a light emitting device and the first signal input terminal, and the first signal output terminal is coupled to a to-be-charged pixel circuit.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Yang, Can Zhang, Shengji Yang, Weihai Wang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11289669
    Abstract: The present disclosure provides a light-emitting device, a pixel unit, a method for manufacturing the pixel unit, and a display device. The light-emitting device comprises a first electrode, an organic light-emitting layer and a second electrode which are sequentially disposed on a substrate; the first electrode comprises a reflecting layer, a transparent insulating layer and a transparent contact layer which are sequentially disposed on the substrate; and the second electrode is a semi-transparent electrode, so that a cavity is formed between the second electrode and the reflecting layer.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Kuanta Huang
  • Publication number: 20220093696
    Abstract: A silicon-based OLED display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes: a silicon-based base and a device layer arranged on the silicon-based base. The silicon-based base includes a drive circuit layer. The drive circuit layer includes a drive circuit, an electrical connection bonding area, and a storage unit storing compensation voltage of each MOSFET of the drive circuit. An orthographic projection of the drive circuit on the silicon-based base, an orthographic projection of the storage unit on the silicon-based base, and an orthographic projection of the electrical connection binding area on the silicon-based base do not overlap with each other.
    Type: Application
    Filed: March 26, 2021
    Publication date: March 24, 2022
    Inventors: Junbo WEI, Shengji YANG, Kuanta HUANG, Pengcheng LU, Yuanlan TIAN
  • Patent number: 11282913
    Abstract: A display substrate having a display region and at least one bonding region located on the periphery of the display region, includes: multiple first signal via holes located in the at least one bonding region and configured to provide bonding lead channels; and multiple second signal via holes located in the display region and configured to provide electrode lead channels. The diameter of each of the first signal via holes is greater than the diameter of any one second signal via hole.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 22, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Weihai Wang, Xiaochuan Chen, Shengji Yang, Pengcheng Lu
  • Publication number: 20220084465
    Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of driving circuits, wherein each of the driving circuits includes: a first sub-circuit, respectively coupled to a gate signal terminal, a data signal terminal and a light-emitting power source terminal, and configured to store a drive voltage based on a voltage at the data signal terminal when the gate signal terminal receives a gate drive signal, and output a drive current to a light-emitting device based on the stored drive voltage under power supply provided by the light-emitting power source terminal; and a second sub-circuit, configured to regulate an equivalent resistance value of the second sub-circuit in an output path through which the drive current is output to the light-emitting device, based on a voltage division control signal received by the voltage division control signal terminal.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
  • Patent number: 11264570
    Abstract: An alignment method, an alignment device and evaporation equipment are provided. The alignment device includes: a first alignment module, located outside an evaporation chamber and configured to determine relative position information between a substrate to be evaporated and a mask for evaporation; a second alignment module, located in the evaporation chamber and configured to adjust a position of the substrate to be evaporated and/or the mask for evaporation according to the relative position information until an orthographic projection of a first alignment mark of the substrate to be evaporated on the mask for evaporation at least partially overlaps a hollowed area of the mask for evaporation, obtain position information of the first alignment mark through the hollowed area, and adjust a position of the substrate to be evaporated and/or the mask for evaporation according to the position information.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
  • Patent number: 11250779
    Abstract: A pixel circuit includes a light-emitting element, a data write-in sub-circuit, a driving sub-circuit, a storage sub-circuit, a light-emission control sub-circuit, and a step-down sub-circuit. The step-down sub-circuit is configured to, at a charging compensation stage, step down a data voltage to acquire a first step-down voltage, and output the first step-down voltage via a control node. The storage sub-circuit is configured to, at the charging compensation stage, charge or discharge the control node to enable a potential at the control node to be the first step-down voltage, and at a light-emitting stage, maintain the potential at the control node as the first step-down voltage. The driving sub-circuit is configured to, at the light-emitting stage, enable a first end of the driving sub-circuit to be electrically connected to a first electrode of the light-emitting element under the control of the control node, to drive the light-emitting element to emit light.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
  • Patent number: 11239256
    Abstract: A display substrate includes a first substrate, a first sub-pixel layer and a second sub-pixel layer positioned on the first substrate; the first sub-pixel layer includes a plurality of first sub-pixels, the second sub-pixel layer includes a plurality of second sub-pixels, and a first orthographic projection of the first sub-pixel on the first substrate does not overlap with a second orthographic projection of the second sub-pixel on the first substrate. A display panel, a display device and a method for manufacturing the display substrate are also disclosed.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Can Wang, Minghua Xuan, Lei Wang, Li Xiao, Liang Chen, Shengji Yang, Pengcheng Lu, Xiaochuan Chen
  • Patent number: 11238802
    Abstract: A pixel circuit and a driving method thereof, a display panel, and a display device. The pixel circuit includes a driving circuit, a first switching circuit, a second switching circuit, and a first reset circuit. The driving circuit is configured to drive a light-emitting element to emit light, the first switching circuit is configured to be turned on in response to a first scanning signal to transmit a data signal to a control terminal of the driving circuit, the second switching circuit is configured to be turned on in response to a light-emitting control signal to transmit a first power signal to a first terminal of the driving circuit, and the first reset circuit is configured to be turned on in response to a first reset control signal to transmit a reset signal to the first terminal of the driving circuit.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: February 1, 2022
    Assignees: Yunnan Invensight Optoelectrics Technology Co. Ltd., BOE Technology Group Co., Ltd.
    Inventors: Rongrong Shi, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Pengcheng Lu
  • Patent number: 11226443
    Abstract: Provided is a piezoelectric color filter, wherein the piezoelectric color filter has piezoelectricity and comprises a photoluminescent material. The piezoelectric color filter may have a matrix of a first piezoelectric material being transparent or translucent; and quantum dots distributed in the matrix of the first piezoelectric material. Also provided are a piezoelectric color filter substrate, a display device, and a production method of the piezoelectric color filter.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingchao Zhou, Shengji Yang, Xiaochuan Chen
  • Patent number: 11227544
    Abstract: The disclosure discloses a pixel circuit, an electroluminescent display panel, driving methods thereof, and a display device. An initialization circuit, a photosensitive drive circuit, a photosensitive output circuit, and a photosensitive device are provided in the pixel circuit. Under the control of a second control signal terminal, an initialization signal provided by an initialization signal terminal is transmitted to a third node by the initialization circuit; under the control of a potential of the third node, the photosensitive drive circuit outputs a corresponding electrical signal; and under the control of a first gate signal terminal, the photosensitive output circuit transmits the electrical signal output by the photosensitive drive circuit to a reading signal terminal.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
  • Patent number: 11227534
    Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n?1)th gate line or a 2nth gate line.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Lei Wang, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Liang Chen, Li Xiao, Zheng Fang, Detao Zhao, Pengcheng Lu
  • Publication number: 20220006062
    Abstract: A light-emitting diode (LED) display panel, a manufacturing method thereof, and an organic light-emitting diode (OLED) display device are disclosed. The LED display panel includes: a base substrate; and a plurality of sub-pixels, a color resistance layer and a light-shielding structure located on the base substrate. The base substrate includes a display region and a periphery region; the sub-pixels are located in the display region; the light-shielding structure is an annular structure located in the periphery region.
    Type: Application
    Filed: August 23, 2019
    Publication date: January 6, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Dongsheng Li, Kuanta Huang, Yunlong Li, Shengji Yang, Pengcheng Lu, Xiaochuan Chen, Qing Wang, Hui Tong, Yongfa Dong, Xiaobin Shen, Xiong Yuan, Yu Wang
  • Publication number: 20220004304
    Abstract: A touch control micro light emitting diode (micro LED) display apparatus is provided. The touch control micro LED display apparatus includes a base substrate; a first electrode layer on the base substrate; a second electrode layer on a side of the first electrode layer away from the base substrate, wherein the second electrode layer includes a plurality of second electrodes spaced apart from each other; an insulating layer on a side of the second electrode layer away from the base substrate; and a third electrode layer on a side of the insulating layer away from the base substrate, wherein the third electrode layer includes a plurality of third electrodes spaced apart from each other. The touch control micro LED display apparatus is operated in a time-division driving mode including an image display mode and a touch control mode.
    Type: Application
    Filed: July 10, 2019
    Publication date: January 6, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang
  • Publication number: 20220005836
    Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Xi Chen, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Hongjuan Liu, Changfeng Li, Wei Liu
  • Patent number: 11217637
    Abstract: The present disclosure is related to a display substrate. The display substrate having a display area comprises a first electrode layer on a base substrate; a second electrode layer on a side of the first electrode layer far away from the base substrate; a light emitting layer between the first electrode layer and the second electrode layer; a pixel definition layer defining a plurality of sub-pixel regions with each of the plurality of sub-pixel regions containing the light emitting layer and the first electrode layer; and a signal line coupled to the second electrode layer. The signal line is substantially within the display area and at a different layer from the second electrode layer.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Yanming Wang, Fang Yu, Wei Li
  • Patent number: 11217183
    Abstract: A pixel circuit, includes: a driving signal generating sub-circuit configured to generate and output an initial driving signal; a voltage boost sub-circuit electrically connected to the driving signal generating sub-circuit, and configured to receive the initial driving signal, amplify the initial driving signal to generate a target driving signal, and output the target driving signal; and a light-emitting sub-circuit electrically connected to the voltage boost sub-circuit, and configured to receive the target driving signal and be driven by the target driving signal to emit light.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rongrong Shi, Shengji Yang, Wei Liu