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).

  • Patent number: 11340734
    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: Grant
    Filed: July 10, 2019
    Date of Patent: May 24, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang
  • Patent number: 11341906
    Abstract: The present disclosure provides a pixel circuit and a drive method thereof, and a touch display apparatus. The pixel circuit includes a pixel driving circuit, an optical sensing circuit, and a light-emitting element. The pixel driving circuit is configured to drive the light-emitting element to emit light, based on a first control signal from a first control line, a second control signal from a second control line, a scanning signal from a scanning line, and a data signal from a data line. The optical sensing circuit is configured to sense an optical signal, convert the sensed optical signal into an electric signal, and output the electric signal via a reading line based on the first control signal, the second control signal, the scanning signal, and the data signal.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Minghua Xuan, Jing Yu, Yingzi Wang, Weifeng Han, Huijuan Wang
  • Patent number: 11328677
    Abstract: A method and a device for driving a pixel circuit, and a storage medium are provided. When a current data voltage of a pixel circuit is within a first voltage range and a target data voltage of the pixel circuit is within a second voltage range, the driving method comprises: refreshing a data voltage stored in the pixel circuit with a boundary value between the first voltage range and the second voltage range using a gate signal reference voltage corresponding to the first voltage range; and refreshing the data voltage stored in the pixel circuit with the target data voltage using a gate signal reference voltage corresponding to the second voltage range.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Fang Yu, Wei Liu
  • Patent number: 11328656
    Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. the pixel driving circuit includes a driving circuit and a light-emitting duration control circuit, a first end of the driving circuit is connected to a first voltage end, a second end of the driving circuit is connected to the light-emitting element, and the driving circuit is configured to control the first end and the second end to connect to each other; the light-emitting duration control circuit is configured to switch on or switch off a connection between the second end of the driving circuit and the light-emitting element, according to a control data voltage input by a control data line and a control initial voltage input by a control initial voltage end.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Kuanta Huang
  • Publication number: 20220139329
    Abstract: The present disclosure relates to a display panel and a driving method thereof. The display panel includes a source driving circuit and a pixel driving circuit. The source driving circuit includes a DAC power amplifier, and a switch unit. The DAC is configured to convert a digital data signal into an analog data signal; the power amplifier is configured to receive the analog data signal and improve a driving capability of the analog data signal; the switch unit is connected to the DAC, the power amplifier, and a control signal terminal, and is configured to connect the DAC to the power amplifier in response to a signal of the control signal terminal. The pixel driving circuit includes a data signal terminal; an output terminal of the power amplifier is connected to the data signal terminal, and is configured to input the analog data signal with improved driving capability to the data signal terminal.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Xiao BAI, Shengji YANG, Pengcheng LU
  • Publication number: 20220140049
    Abstract: A display includes a circuit board structure including a first circuit board and a second circuit board. The first circuit board has a carrying region and an electrical connection region on which a first pad is disposed. The second circuit board has a first region and a second region, the first region is arranged on the electrical connection region and is electrically connected to the first pad, and the second region is electrically connected to the driving terminal. The rigidity of the second circuit board is less than that of the first circuit board. The display substrate is in the carrying region and includes a silicon substrate in which a driving circuit is partially embedded, and a second pad electrically connected to the driving circuit. The driving circuit includes a transistor having a semiconductor layer which is inside the silicon substrate. The second pad is electrically connected to the first pad.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Xiao BAI, Shengji YANG, Kuanta HUANG, Pengcheng LU
  • Publication number: 20220140020
    Abstract: A display panel includes a driving backplane, a plurality of detection pads, a light emitting function layer, and a flexible circuit board. The driving backplane has a pixel driving region and a peripheral region, and the peripheral region has bonding pads; an edge of the driving backplane is surrounded by a first section and a second section, and the bonding pads are located between the first section and the pixel driving region; a plurality of detection pads are disposed in and distributed along the second section; a light emitting function layer is disposed on the driving backplane and located in the pixel driving region; a flexible circuit board extends between the first section and the pixel driving region, and is bonded to the bonding pads; a first packaging layer is disposed on the light emitting function layer.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Junbo WEI, Shengji YANG, Kuanta HUANG, Pengcheng LU, Yuanlan TIAN
  • Publication number: 20220140277
    Abstract: A display panel includes a driving back plate, a first insulating layer, and a light-emitting device layer sequentially stacked. The driving back plate includes a first reflecting electrode layer. The first reflecting electrode layer includes first primary reflecting electrodes in a display area and first auxiliary reflecting electrodes in a peripheral area. The light-emitting device layer includes a second reflecting electrode layer including second primary reflecting electrodes in the display area and second auxiliary reflecting electrodes in the peripheral area. The second primary reflecting electrodes are in one-to-one correspondence and electrically connected with the first primary reflecting electrodes. The orthographic projection of the second primary reflecting electrode on the first reflecting electrode layer are located within the first primary reflecting electrode.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Shengji YANG, Xue DONG, Xiaochuan CHEN, Pengcheng LU, Hui WANG, Yanming WANG, Yage SONG, Jiantong LI, Kuanta HUANG
  • Publication number: 20220139312
    Abstract: The present disclosure relates to the field of display technology, and proposes a gate driving circuit and a driving method thereof, and a display panel. The gate driving circuit includes a plurality of cascaded shift register units and switch unit groups. Each of the shift register units and at least one row of pixel units are correspondingly arranged; and switch unit group are arranged between at least a part of adjacent two shift register units. The switch unit group includes a first switch unit and a second switch unit.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Xiao BAI, Shengji YANG, Pengcheng LU
  • Publication number: 20220140053
    Abstract: The present disclosure relates to the field of display technologies and, in particular to a display panel and a display device. The display panel includes a circuit board assembly, a plurality of sub-pixels, a base substrate, and a plurality of connecting wires. The circuit board assembly includes a plurality of first bonding pads; a plurality of second bonding pads are disposed in the non-display area of the base substrate; the plurality of connecting wires connect the plurality of first bonding pads and the plurality of second bonding pads. Adjacent connecting wires have different maximum stretchable heights in a direction perpendicular to the base substrate.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Chao PU, Shengji YANG, Kuanta HUANG, Pengcheng LU, Xiaochuan CHEN
  • Publication number: 20220140052
    Abstract: A display includes a display substrate and a flexible circuit board. The display substrate includes a silicon substrate, a driving circuit of which at least part is embedded in the silicon substrate, and a first pad electrically connected with the driving circuit. The driving circuit includes a transistor with a semiconductor layer; the flexible circuit board includes a flexible substrate, a first wiring layer, and a first reinforcement plate. The first wiring layer includes a main wiring portion and a second pad electrically connected with the main wiring portion, and the second pad is electrically connected with the first pad by a conductive adhesive layer. The first reinforcement plate covers the main wiring portion and does not cover the second pad. The first reinforcement plate is located outside the display substrate and there is a non-zero distance between the first reinforcement plate and the display substrate.
    Type: Application
    Filed: March 27, 2020
    Publication date: May 5, 2022
    Inventors: Xiao BAI, Shengji YANG, Pengcheng LU
  • Patent number: 11320932
    Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Pengcheng Lu, Liang Chen, Ning Cong, Ming Yang, Dongni Liu, Li Xiao, Shengji Yang, Lei Wang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11322092
    Abstract: A display substrate and a display panel are provided. The display substrate includes a base substrate, and the base substrate includes a display region, a sensing region, and a dummy region; a plurality of sensing pixel units including a first light emitting element and a first pixel circuit are provided in the sensing region, and the first pixel circuit controls a voltage sensor to sense a voltage at a first terminal of the first light emitting element; a plurality of display pixel units including a second pixel circuit and a second light emitting element are provided in the display region; a plurality of dummy pixel units including a third pixel circuit and a third light emitting element are provided in the dummy region; and the first light emitting element, the second light emitting element, and the third light emitting element are all connected to a common voltage terminal.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang, Kuanta Huang, Pengcheng Lu
  • Patent number: 11323681
    Abstract: The present disclosure provides a 3D display device and a working method of the same, the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the acquiring component is configured to acquire current positions of eyes of a viewer, and the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Lei Wang, Wenqing Zhao, Dongni Liu, Jie Fu, Han Yue, Li Xiao, Jian Gao, Haisheng Wang, Changfeng Li
  • Publication number: 20220125098
    Abstract: A system for manufacturing cigarettes is provided. The system can include an easily removable and/or replaceable metering device that use a cavity drum to dispense a filler material, a modular garniture format parts bank that can be removed and replaced as a single unit from the cigarette manufacturing machinery, and a cutter head having components operated with a single motor that turns a spline shaft.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Michael Daniek, Shengji Yang, Hamid Atai
  • Patent number: 11315985
    Abstract: The present disclosure provides a display panel and a method for manufacturing the same, and a display device. The display panel includes: a substrate; a pixel unit array disposed on one side of the substrate, wherein the pixel unit array comprises a plurality of pixel units, at least one of the plurality of pixel units comprising an anode layer, a cathode layer, and a light emitting layer located between the anode layer and the cathode layer, the cathode layer defining an opening configured to transmit a light emitted from the light emitting layer; and at least one sensor disposed on one side of the pixel unit array away from the substrate and configured to detect a light transmitted through the opening.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu, Shengnan Li
  • Patent number: 11315982
    Abstract: A light emitting diode includes a pixel unit. The pixel unit may include a first sub-pixel configured to emit white light. The first sub-pixel may include a first microcavity adjustment layer, a scattering layer, a first transparent electrode layer, a first emitting layer, and a first semi-transparent electrode layer. The scattering layer includes a plurality of patterns formed on a surface of the scattering layer. The scattering layer may be configured to reduce color cast of the first sub-pixel to be less than about 0.025 at viewing angles in a range of about ?50 degree to +50 degree.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qingchao Zhou, Shengji Yang, Xiaochuan Chen, Qing Wang, Luyang Zhou
  • Patent number: 11315490
    Abstract: A pixel circuit, a driving method thereof and a display panel are disclosed. The pixel circuit includes a data writing circuit, a light-emitting drive circuit, and a voltage amplification circuit; the data writing circuit is electrically connected with a first node and is configured to write a data signal to the first node under control of a scan signal; two ends of the voltage amplification circuit are electrically connected with the first node and a second node respectively, and the voltage amplification circuit are configured to obtain an amplified voltage signal based on the data signal and write the amplified voltage signal to the second node; and the light-emitting drive circuit is electrically connected with the second node and is configured to drive a light-emitting component to emit light under control of the amplified voltage signal.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guohong Qin, Xiaochuan Chen, Shengji Yang, Pengcheng Lu, Weihai Wang, Rongrong Shi
  • Patent number: 11308876
    Abstract: A pixel driving circuit including: N pixel circuits each including a first node and a power supply terminal, N being an integer greater than 1; and N multiplexing circuits configured to selectively couple a data line to the first nodes of the N pixel circuits. A first one of the N multiplexing circuits includes a multiplexing control circuit, and a second one to an N-th one of the N multiplexing circuits include respective multiplexing control circuits and respective reset circuits. The reset circuit of a (j+1)-th one of the N multiplexing circuits is configured to reset the first node of a (j+1)-th one of the N pixel circuits with a power supply voltage in response to a j-th multiplexing control signal being active, j being an integer and 1?j<N.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Xiaochuan Chen, Lei Wang, Zheng Fang, Li Xiao, Liang Chen, Shengji Yang, Pengcheng Lu
  • Publication number: 20220115484
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a silicon-based substrate and an array structure layer arranged on the silicon-based substrate; a driving transistor and a first power line being arranged in the silicon-based substrate in the display area, a light emitting element being disposed on the array structure layer in the display area, a first electrode of the driving transistor being connected with the first power line, and a second electrode of the driving transistor being connected with an anode of the light emitting element; a power supply electrode and a second power line being arranged in the silicon-based substrate in the peripheral area, the power supply electrode being connected with the second power line.
    Type: Application
    Filed: March 27, 2020
    Publication date: April 14, 2022
    Inventors: Pengcheng LU, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Yage SONG, Yanming WANG, Hui WANG, Dongdong DUAN, Jiantong LI, Xiao BAI, Yunlong LI, Shuai TIAN, Zhijian ZHU, Yu AO, Junbo WEI, Chao PU, Yuanlan TIAN