Patents by Inventor Donghui LV

Donghui LV 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: 20250104646
    Abstract: A driving circuit, a driving module, a driving method, a display substrate and a display device are provided. The driving circuit includes a first leakage prevention circuit, an output circuit and a first control node control circuit; the first leakage prevention circuit is configured to control to connect or disconnect the first control node, the first node and the first intermediate node under the control of a first voltage signal provided by the first voltage line according to a potential of the first intermediate node, control to connect or disconnect the first intermediate node and the second voltage line under the control of the potential of the first node, and control to disconnect the first control node and the first node when the first intermediate node and the second voltage line is connected.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 27, 2025
    Inventors: Chengyuan LUO, Pan XU, Ying HAN, Xing ZHANG, Donghui ZHAO, Guangshuang LV, Cheng XU, Xing YAO, Dandan ZHOU, Miao LIU
  • Patent number: 12262597
    Abstract: A display substrate and a display device, the display substrate includes a base substrate, a pixel driving circuit layer, a first planarization layer, a first metal layer, a second planarization layer, a plurality of first electrodes and a pixel definition layer; the pixel driving circuit layer includes a plurality of pixel driving circuits, the first planarization layer includes a plurality of first vias respectively exposing output terminals of the pixel driving circuits, the first metal layer includes a plurality of data lines extending in a first direction, the pixel definition layer includes a plurality of first definition walls extending in the first direction and a plurality of second definition walls extending in a second direction, and an orthographic projection of at least part of the data lines on the base substrate respectively overlaps with orthographic projections of the plurality of first definition walls on the base substrate.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: March 25, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Han, Pan Xu, Xing Zhang, Guangshuang Lv, Donghui Zhao, Chengyuan Luo, Cheng Xu
  • Publication number: 20250095536
    Abstract: Provided is a pixel drive circuit. The pixel drive circuit includes a plurality of scan drive circuits transmitting gate drive signals to pixels, a plurality of emission drive circuits transmitting emission control signals to the pixels, a plurality of compensation drive circuits transmitting compensation signals to the pixels, and a plurality of reset drive circuits transmitting reset signals to the pixels, which are all cascaded in a pixel column direction. In addition, the scan drive circuit, the emission drive circuit, the compensation drive circuit, and the reset drive circuit corresponding to the same row of pixels are arranged sequentially along a pixel row direction, the scan drive circuit being disposed farthest away from the pixels. Moreover, among signal lines coupled to the pixel drive circuit, a plurality of signal lines is overlapped with each other, and cutouts are provided at the overlapping portions of the plurality of signal lines.
    Type: Application
    Filed: November 23, 2022
    Publication date: March 20, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Donghui ZHAO, Pan XU, Ying HAN, Xing ZHANG, Chengyuan LUO, Guangshuang LV, Xing YAO, Dandan ZHOU, Miao LIU
  • Publication number: 20250095547
    Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, the sub-pixel includes a pixel circuit and a light-emitting element, the pixel circuit is configured to drive the light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting functional layer located therebetween; the pixel circuit includes a driving transistor, and the first electrode of the light-emitting element is electrically connected to a first electrode of the driving transistor; the plurality of sub-pixels include a first sub-pixel and a second sub-pixel, the first sub-pixel is adjacent to the second sub-pixel, and an orthographic projection of the first electrode of the light-emitting element of the first sub-pixel on the base substrate does not overlap an orthographic projection of the pixel circuit of the second sub-pixel on the base substrate.
    Type: Application
    Filed: December 23, 2022
    Publication date: March 20, 2025
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying HAN, Pan XU, Xing ZHANG, Chengyuan LUO, Guangshuang LV, Donghui ZHAO, Cheng XU
  • Publication number: 20250078762
    Abstract: A grid-driving-circuit array is applied to a display panel, the display panel is delimited into a plurality of active areas, and each of the active areas includes multiple rows of pixel units and multiple rows of grid lines. The multiple groups of grid driving units supply grid driving signals to the plurality of active areas, and each of the groups of grid driving units includes one or more grid driving circuits. The one or more grid driving circuits are configured for supplying the grid driving signals to the grid lines within the active area corresponding to the one or more grid driving circuits. One or more multiplexers, wherein each of the multiplexers includes a plurality of frame-starting-up-signal outputting units, each of the frame-starting-up-signal outputting units of the multiplexer is configured for supplying a frame starting-up signal to one of the grid driving circuits.
    Type: Application
    Filed: March 31, 2023
    Publication date: March 6, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Donghui Zhao, Pan Xu, Ying Han, Xing Zhang, Chengyuan Luo, Guangshuang Lv, Cheng Xu, Hongli Wang, Tong Wu, Dandan Zhou
  • Publication number: 20250078749
    Abstract: Pixel circuit, driving method, display substrate, panel and device are disclosed. The pixel circuit includes light-emitting element, and pixel driving circuit including driving circuit, data writing circuit and compensation control circuit; the data writing circuit writes data voltage into control end of driving circuit under control of write control signal in data writing phase; the compensation control circuit writes reference voltage into the control end of driving circuit under control of compensation control signal in compensation phase; the driving circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element; the data writing phase does not overlap with the compensation phase.
    Type: Application
    Filed: November 24, 2022
    Publication date: March 6, 2025
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying HAN, Pan XU, Xing ZHANG, Chengyuan LUO, Donghui ZHAO, Guangshuang LV, Cheng XU
  • Publication number: 20250037667
    Abstract: A display panel includes a plurality of rows of pixel circuits, one or more rows of first dummy pixel circuits, a plurality of cascaded scanning driving units and at least one first dummy scanning driving unit. The plurality of rows of pixel circuits are arranged in a first direction. The one or more rows of first dummy pixel circuits are located on a side of the plurality of rows of pixel circuits in the first direction. Each scanning driving unit is configured to transmit a scanning signal to at least one row of pixel circuits. A first dummy scanning driving unit is cascaded to a first stage of scanning driving unit among the plurality of scanning driving units, and is configured to transmit; a cascade signal to the first stage of scanning driving unit; and transmit scanning signals to at least one row of first dummy pixel circuits.
    Type: Application
    Filed: February 1, 2023
    Publication date: January 30, 2025
    Inventors: Xing Zhang, Pan Xu, Ying Han, Chengyuan Luo, Donghui Zhao, Guangshuang Lv, Cheng Xu
  • Publication number: 20250029558
    Abstract: A driving circuit, a driving method and a display device are provided. The driving circuit includes a first control node control circuit, a second control node control circuit, a first node control circuit and a second node control circuit, wherein, the first control node control circuit is configured to control a potential of the first control node; the second control node control circuit is configured to control a potential of the second control node; the first node control circuit is configured to control a potential of the first node; the second node control circuit is electrically connected to the second control node, a first clock signal terminal and a second node respectively, and is configured to control to connect the first clock signal terminal and the second node under the control of the potential of the second control node.
    Type: Application
    Filed: November 30, 2022
    Publication date: January 23, 2025
    Inventors: Xing ZHANG, Pan XU, Donghui ZHAO, Ying HAN, Chengyuan LUO, Guangshuang LV, Cheng XU, Miao LIU, Dandan ZHOU
  • Publication number: 20250031531
    Abstract: A display substrate and a display device, the display substrate includes a base substrate, a pixel driving circuit layer, a first planarization layer, a first metal layer, a second planarization layer, a plurality of first electrodes and a pixel definition layer; the pixel driving circuit layer includes a plurality of pixel driving circuits, the first planarization layer includes a plurality of first vias respectively exposing output terminals of the pixel driving circuits, the first metal layer includes a plurality of data lines extending in a first direction, the pixel definition layer includes a plurality of first definition walls extending in the first direction and a plurality of second definition walls extending in a second direction, and an orthographic projection of at least part of the data lines on the base substrate respectively overlaps with orthographic projections of the plurality of first definition walls on the base substrate.
    Type: Application
    Filed: November 28, 2022
    Publication date: January 23, 2025
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying HAN, Pan XU, Xing ZHANG, Guangshuang LV, Donghui ZHAO, Chengyuan LUO, Cheng XU
  • Publication number: 20180288214
    Abstract: The present disclosure provides a method for outputting multimedia data. The multimedia data are outputted through a first device. Responsive to detecting a posture change of a user, the multimedia data are outputted through a second device. The posture change of the user results in the second device being in a close proximity to the user than the first device.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Donghui LV, Lei WU, Zhiqiang ZHOU, Tianshui TAN