Patents by Inventor Zhiqiang Xu

Zhiqiang Xu 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: 20230129625
    Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.
    Type: Application
    Filed: January 28, 2021
    Publication date: April 27, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Wei Qin, Kuanjun Peng, Tieshi Wang, Chunfang Zhang, Hui ZHANG, Changfeng Li, Shunhang Zhang, Kai Hou, Hongrun Wang, Liwei Liu, Yunsik Im, Wanpeng Teng, Xiaolong Li, Kai Guo, Zhiqiang Xu
  • Patent number: 11636818
    Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes a plurality of scan signal lines, a plurality of data signal lines and a plurality of sub-pixels; at least one sub-pixel includes switch assembly and a display unit, wherein the switch assembly at least includes a control terminal, an input terminal and an output terminal, wherein the input terminal is connected to the data signal line, the output terminal is connected to the display unit, and the control terminal or the input terminal is connected to the scan signal line; the display panel further includes at least one switch control line, which is connected to the control terminal of the switch assembly, and the switch control line is configured to control the input terminal and the output terminal of the switch assembly to be turned on or off.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: April 25, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Weixing Liu, Tieshi Wang, Wei Qin, Zhiqiang Xu, Chunfang Zhang
  • Publication number: 20230120967
    Abstract: The present disclosure provides a smart watch and a method for measuring heart rate information. The smart watch includes a dial, a watchband, and a processing device disposed on the dial or inside the watchband. The processing device includes an optical emitter configured to emit light; an optical receiver configured to receive reflected light, the reflected light being generated by the light emitted by the optical emitter irradiating a skin for conversion into an electrical signal; and a processor configured to process the electrical signal to obtain heart rate information of a user.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tieshi WANG, Xueling GAO, Zhiqiang XU
  • Patent number: 11605347
    Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 14, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Wei Qin, Xiaolong Li, Kuanjun Peng, Chunfang Zhang, Zhiqiang Xu, Yanan Niu
  • Publication number: 20230010444
    Abstract: A display substrate and a display device are disclosed. The display substrate includes a light-transmitting region, wherein the light-transmitting region includes a plurality of rows of effective sub-pixel sets and a plurality of main spacers, each row of the plurality of rows of effective sub-pixel sets includes a plurality of effective sub-pixel sets, each of the plurality of effective sub-pixel sets includes a plurality of effective sub-pixels, any two adjacent effective sub-pixel sets in a same row are spaced apart from each other by one main spacer, the main spacer includes at least two sub-spacers arranged along a column direction. At least two sub-spacers arranged along a row direction have different widths; and/or at least two sub-spacers of a same main sub-spacer have different widths.
    Type: Application
    Filed: August 19, 2021
    Publication date: January 12, 2023
    Inventors: Zhiqiang XU, Wei QIN, Chunfang ZHANG, Weixing LIU, Tieshi WANG, Xuefei SUN
  • Patent number: 11547312
    Abstract: A smart watch and a method for measuring a pulse information are provided in the present disclosure. The smart watch includes a dial, a watchband, a blood vessel information collecting apparatus, and a processing apparatus. The watchband is connected with the dial. The blood vessel information collecting apparatus is disposed in the watchband and is configured to collect a blood vessel information from an inner side of a wrist of a user. The processing apparatus is connected with the blood vessel information collecting apparatus and is configured to receive and process the blood vessel information to obtain the pulse information of the user.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 10, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu
  • Publication number: 20220415981
    Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate includes a base substrate; a pixel defining layer disposed on the base substrate, the pixel defining layer is provided with a plurality of opening areas, peripheral areas surrounding the opening areas and other areas except the opening areas and the peripheral areas; and a first electrode layer, disposed on the side of the pixel defining layer facing away from the base substrate. A roughness of a surface, facing away from the base substrate, of the first electrode layer in the peripheral regions is greater than a roughness of a surface, facing away from the base substrate, of the first electrode layer in the other regions.
    Type: Application
    Filed: February 23, 2021
    Publication date: December 29, 2022
    Inventors: Shi SHU, Chuanxiang XU, Haitao HUANG, Qi YAO, Tieshi WANG, Zhiqiang XU
  • Publication number: 20220382501
    Abstract: A display panel and a display device are disclosed. The display panel includes a first sub-panel (1), a second sub-panel (2), a drive unit (4) and an image acquisition unit (3). The first sub-panel (1) has a transparent area (S1) and a display area (S2) surrounding the transparent area (S1). The second sub-panel (2) is on a side of the first sub-panel (1) away from a display surface. The drive unit (4) is connected to the second sub-panel (2) and can drive the second sub-panel (2) to move back and forth between positions corresponding to the transparent area (S1) and the display area (S2) of the first sub-panel (1). The image acquisition unit (3) is on a side of the second sub-panel (2) away from the first sub-panel (1), and an orthographic projection thereof on the first sub-panel (1) is within the transparent area (S1).
    Type: Application
    Filed: June 8, 2021
    Publication date: December 1, 2022
    Inventors: Zhiqiang XU, Tieshi WANG, Weixing LIU
  • Publication number: 20220246098
    Abstract: A circuit for driving a pixel includes a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second end connected to a third node; a writing circuit connected to a first scanning signal and the first node and configured to transmit a data signal to the first node; a reset circuit connected to a second scanning signal and configured to transmit a reference signal to the second node; a compensation circuit connected to a compensation control signal and configured to put through a connection between the second end and the control end of the driving transistor in response to the compensation control signal, wherein the compensation control signal is different from the first scanning signal and the second scanning signal; and an energy storage circuit connected between a first power end and the second node.
    Type: Application
    Filed: April 22, 2022
    Publication date: August 4, 2022
    Inventors: Tieshi WANG, Xueling GAO, Zhiqiang XU, Chengchung YANG, Haoran LIU
  • Publication number: 20220246094
    Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.
    Type: Application
    Filed: April 12, 2022
    Publication date: August 4, 2022
    Inventors: Wei Qin, Xiaolong Li, Kuanjun Peng, Chunfang Zhang, Zhiqiang Xu, Yanan Niu
  • Patent number: 11393877
    Abstract: A display substrate and a fabrication method thereof, and a display device. The display substrate includes a first pixel unit and a second pixel unit. The first pixel unit includes a first electrode and a first light-emitting layer that are stacked; the second pixel unit includes a second electrode and a second light-emitting layer that are stacked; an effective light-emitting area of the first light-emitting layer is unequal to an effective light-emitting area of the second light-emitting layer; and in a direction directly facing a display side of the display substrate, a light-reflecting area of the first electrode that is exposed in the first pixel unit is equal to a light-reflecting area of the second electrode that is exposed in the second pixel unit. The display substrate may suppress a color shift defect.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng, Chuanxiang Xu
  • Patent number: 11373602
    Abstract: There are provided a pixel circuit and a method and apparatus for driving the same, an array substrate and a display apparatus. The pixel circuit includes: a driving sub-circuit and a switch sub-circuit coupled in series between a power signal terminal and a light emitting element, wherein the driving sub-circuit is configured to provide a driving signal to the light emitting element under control of a gate driving signal provided by a gate line, a data signal provided by a data line, and a power signal provided by a power signal terminal; and the switch sub-circuit is configured to control switch-on and switch-off of a signal path between the power signal terminal and the light emitting element under control of a switch signal provided by a switch signal terminal.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: June 28, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tieshi Wang, Zhiqiang Xu, Xueling Gao, Chengchung Yang
  • Publication number: 20220165228
    Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes a plurality of scan signal lines, a plurality of data signal lines and a plurality of sub-pixels; at least one sub-pixel includes switch assembly and a display unit, wherein the switch assembly at least includes a control terminal, an input terminal and an output terminal, wherein the input terminal is connected to the data signal line, the output terminal is connected to the display unit, and the control terminal or the input terminal is connected to the scan signal line; the display panel further includes at least one switch control line, which is connected to the control terminal of the switch assembly, and the switch control line is configured to control the input terminal and the output terminal of the switch assembly to be turned on or off.
    Type: Application
    Filed: June 22, 2021
    Publication date: May 26, 2022
    Inventors: Weixing LIU, Tieshi WANG, Wei QIN, Zhiqiang XU, Chunfang ZHANG
  • Patent number: 11341918
    Abstract: A method of driving a pixel includes providing a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit connected a data signal end, a first scanning end and the first node; a first control circuit connected to a first power end, a light emitting control end and the first node; a reset circuit connected to a reference signal end, a second scanning end, and the second node; a compensation circuit connected between the second node and the third node; a second control circuit connected to the third node, a light emitting element, and the light emitting control end; and an energy storage circuit connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu, Chengchung Yang, Haoran Liu
  • Patent number: 11328669
    Abstract: Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel and a display device.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Qin, Xiaolong Li, Kuanjun Peng, Chunfang Zhang, Zhiqiang Xu, Yanan Niu
  • Publication number: 20220115455
    Abstract: The present disclosure relates to a display panel and a terminal device. The display panel includes a display region. At least a part of the display region is a transparent region. The transparent region has a plurality of pixel rows distributed along a column direction, and each of the plurality of pixel rows includes pixels and transparent portions arranged in a row direction. The pixel rows include first pixel rows and second pixel rows, transparent portions each arranged between two adjacent pixels in each of the first pixel rows are first transparent portions, and transparent portions each arranged between two adjacent pixels in each of the second pixel rows are second transparent portions. A width of each of the first transparent portions in the row direction is greater than a width of each of the second transparent portions in the row direction.
    Type: Application
    Filed: May 26, 2021
    Publication date: April 14, 2022
    Inventors: Wei QIN, Zhiqiang XU, Weixing LIU, Wanpeng TENG, Chunfang ZHANG
  • Publication number: 20220115459
    Abstract: A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 14, 2022
    Inventors: Zhiqiang Xu, Wei Qin, Weixing Liu, Kai Guo, Tieshi Wang
  • Publication number: 20220068206
    Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
    Type: Application
    Filed: March 26, 2021
    Publication date: March 3, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng
  • Patent number: 11250782
    Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weixing Liu, Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng
  • Patent number: 11250781
    Abstract: A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Qin, Zhiqiang Xu, Xiaolong Li, Tieshi Wang, Weixing Liu, Kai Guo, Jintao Peng, Yanan Niu, Kuanjun Peng