Patents by Inventor Wenhui GAO

Wenhui GAO 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: 20250124861
    Abstract: A pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a storage sub-circuit, and a first control sub-circuit. The data writing sub-circuit is configured to write a data signal provided by a data line into a second node under control of a first scan line. The compensation sub-circuit is configured to write a threshold voltage of the driving sub-circuit into the first node under control of a second scan line. The first control sub-circuit is configured to provide a reference voltage signal provided by a reference voltage line to the second node under control of the first control line after the data writing sub-circuit writes the data signal into the second node, so that the data signal written into the second node is coupled to the first node through the storage sub-circuit.
    Type: Application
    Filed: February 24, 2023
    Publication date: April 17, 2025
    Inventors: Wenhui GAO, Yonglin GUO, Tiaomei ZHANG, Jingwen ZHANG, Zhiliang JIANG
  • Publication number: 20250107358
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes: a base substrate, and a compensation signal line and a plurality of sub-pixels on the base substrate. The sub-pixel includes a sub-pixel driving circuit. The sub-pixel driving circuit includes a driving transistor and a compensation structure. The compensation structure is coupled to the corresponding compensation signal line. An orthographic projection of the compensation structure onto the base substrate is located at a side of an orthographic projection of a gate electrode of the driving transistor onto the base substrate.
    Type: Application
    Filed: March 10, 2023
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Binyan Wang, Yonglin Guo, Dan Cao, Miao Wang, Cong Liu, Wenhui Gao, Yangpeng Wang, Gukhwan Song
  • Publication number: 20250104643
    Abstract: This disclosure provides a display substrate, a display, and a display substrate driving method. The display substrate includes a first-category pixel row, a second-category pixel row, a first drive line, a second drive line and at least one category of data signal source; a first gate on array (GOA) circuit is used for providing a starting signal of a first frequency to the first-category pixel row; a second GOA circuit is used for providing a starting signal of a second frequency to the second-category pixel row; the at least one category of data signal source is used for supplying a data signal to data signal lines of the first-category pixel row and the second-category pixel row.
    Type: Application
    Filed: April 26, 2023
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiaomei Zhang, Mengqi Wang, Wenhui Gao, Ziyang Yu, Tianyi Cheng, Wenbo Chen, Zhiliang Jiang, Ming Hu
  • Publication number: 20250095570
    Abstract: Disclosed are a display panel and a display device. The pixel circuit in the display panel includes a control circuit, a drive circuit, and a regulating circuit. The control circuit controls the potential of the coupled control node based on the gate drive signal provided by the gate line and the data signal provided by the data line. The drive circuit drives the light-emitting element to emit light based on the potential of the control node and the drive power signal provided by the drive power line. The regulating circuit adjusts the potential of the control node through the coupling effect based on the drive power signal and the initial power signal provided by the initial power line.
    Type: Application
    Filed: March 28, 2023
    Publication date: March 20, 2025
    Inventors: Miao WANG, Yonglin GUO, Dan CAO, Cong LIU, Binyan WANG, Wenhui GAO, Ziyang YU, Zhiliang JIANG
  • Publication number: 20250089494
    Abstract: An array substrate is provided. The array substrate includes a plurality of data lines; a plurality of second fanout connecting lines; and a plurality of first voltage supply lines. In at least one subpixel of the array substrate, an individual data line of the plurality of data lines and an individual second fanout connecting line of the plurality of second fanout connecting lines have a substantial mirror symmetry with respect to an individual first voltage supply fine of the plurality of first voltage supply lines.
    Type: Application
    Filed: February 28, 2023
    Publication date: March 13, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yonglin Guo, Gukhwan Song, Ming Hu, Miao Wang, Wenhui Gao, Cong Liu, Binyan Wang, Youngjang Lee, Dan Cao, Jingwen Zhang
  • Publication number: 20250078748
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor having a first capacitor electrode and a second capacitor electrode; a coupling capacitor having a third capacitor electrode and a fourth capacitor electrode; a control transistor; and a data write transistor having a gate electrode connected to a gate line, a first electrode connected to a data line, and a second electrode connected to a first electrode of the control transistor; wherein the control transistor has a gate electrode connected to a fourth control signal line, a first electrode connected to the second electrode of the data write transistor, and a second electrode connected to the first capacitor electrode and the fourth capacitor electrode; a gate electrode of the driving transistor is connected to the third capacitor electrode; and the control transistor is an n-type transistor.
    Type: Application
    Filed: January 19, 2023
    Publication date: March 6, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenhui Gao, Dan Cao, Yonglin Guo, Jingwen Zhang, Zhiliang Jiang
  • Publication number: 20250053271
    Abstract: A touch panel includes: a base substrate having at least two mounting holes, and a touch function layer including first and second touch units. Each first touch unit includes first touch electrodes located in a same layer, and each second touch unit includes second touch electrodes located in a same layer and insulated from the first touch electrodes. The touch function layer is hollowed out at positions corresponding to the at least two mounting holes and has a gap region at a position corresponding to a region between two adjacent mounting holes. In a first touch unit, first touch electrodes located in the gap region serve as a first gap electrode and a second gap electrode. In a second touch unit, second touch electrodes located in the gap region serve as a third gap electrode located between the first and second gap electrodes and a fourth gap electrode.
    Type: Application
    Filed: October 30, 2024
    Publication date: February 13, 2025
    Inventors: Lingran Wang, Jun Yan, Wenhui Gao, Gukhwan Song
  • Publication number: 20250046247
    Abstract: A pixel driving circuit, a method for driving the same and a display apparatus. The pixel driving circuit includes: a light-emitting device; a driving transistor which generates a current for driving the light-emitting device to emit light according to a data voltage; a first control circuit which conducts a first electrode of the driving transistor to a first node; a second control circuit which forms a current path from the first node to a first initialization signal terminal in a case where the first control circuit conducts the first electrode of the driving transistor to the first node, to allow a threshold voltage of the driving transistor to be input to the first node; a data writing circuit which inputs the data voltage of a data signal terminal to the first node.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 6, 2025
    Inventors: Dan CAO, Wenhui GAO, Yonglin GUO, Huijuan YANG, Tiaomei ZHANG
  • Patent number: 12217697
    Abstract: A display panel and a display apparatus are disclosed. The display panel includes: a display region, including M first display regions sequentially disposed along a first direction, and a non-display region, including M first GOA circuits and M clock signal line groups; a first display region includes multiple first signal lines sequentially disposed along the first direction and extending along a second direction intersecting with the first direction, a clock signal line group includes multiple clock signal lines, signals of at least two clock signal lines respectively in at least two clock signal line groups are same; a first GOA circuit includes multiple first GOA units, multiple first GOA units in an m-th first GOA circuit are connected with at least one clock signal line in an m-th clock signal line group, and are connected with multiple first signal lines in an m-th first display region in one-to-one correspondence.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: February 4, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yonglin Guo, Yunsheng Xiao, Wenhui Gao
  • Publication number: 20250022415
    Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels arranged on the base substrate. A plurality of sub-pixel driving circuitries in the plurality of sub-pixels is arranged in columns, the columns of sub-pixel driving circuitries are divided into a plurality of column units, and each column unit includes at least two adjacent columns of sub-pixel driving circuitries. The display substrate further includes a first initialization signal transmission layer including a first initialization bus and a plurality of first initialization branches. The first initialization branch includes a first branch body member and a plurality of first branch extending members. The first branch body member is coupled to the sub-pixel driving circuitries in a corresponding column unit through the plurality of first branch extending members.
    Type: Application
    Filed: May 30, 2023
    Publication date: January 16, 2025
    Inventors: Dan CAO, Wenhui GAO, Miao WANG, Cong LIU, Binyan WANG, Jingwen ZHANG, Yonglin GUO, Gukhwan SONG, Zhen LIU
  • Publication number: 20240412688
    Abstract: A display substrate and a driving method therefor, and a display device. The display substrate comprises a plurality of circuit units, at least one circuit unit comprising a pixel driving circuit, which at least comprises a compensation transistor, a driving transistor, a data writing transistor, a first storage capacitor, and a second storage capacitor, wherein a gate electrode of the data writing transistor is connected to a first scan signal line; a gate electrode of the compensation transistor is connected to a second scan signal line; a first end of the first storage capacitor is connected to a gate electrode of the driving transistor; a first end of the second storage capacitor is connected to a first electrode of the driving transistor; and a second end of the first storage capacitor and a second end of the second storage capacitor are connected to a first power line.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 12, 2024
    Inventors: Wenhui GAO, Yunsheng XIAO, Tiaomei ZHANG, Zhiliang JIANG
  • Patent number: 12164715
    Abstract: Disclosed is a display panel including a base substrate. The base substrate includes a display region, a wiring lead-out region and a signal access region that are located on a side of the display region. The wiring lead-out region is located between the display region and the signal access region. The wiring lead-out region includes: at least one first power supply line, at least one first touch signal line, and at least one first display signal line that are disposed on the base substrate. The first touch signal line is located on a side of the first power supply line away from the base substrate, and the first display signal line is located on a side of the first power supply line close to the base substrate.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: December 10, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Wenhui Gao, Peng Xu, Shun Zhang, Tiaomei Zhang, Kai Zhang, Zhiliang Jiang, Lingran Wang
  • Publication number: 20240402843
    Abstract: Disclosed are a touch panel, a preparation method therefor, and a display apparatus. The touch panel includes a touch region and a bonding region on a side of the touch region in a first direction. The bonding region includes: a chip region including a first edge, a second edge, a third edge, and a fourth edge, the first and second edges extend along a second direction, and the first direction intersects the second direction; multiple pins in the chip region and including multiple display pins and multiple touch pins, the multiple display pins are arranged along the first and second edges, the multiple touch pins are arranged along the third and fourth edges, and the multiple display pins are configured to be connected with display signal lines; multiple touch electrodes in the touch region; and multiple touch signal lines in the touch region and the bonding region.
    Type: Application
    Filed: August 12, 2024
    Publication date: December 5, 2024
    Inventors: Peng XU, Wenhui GAO
  • Publication number: 20240365587
    Abstract: A display substrate includes pixel circuits and light-emitting devices. The pixel circuits include first pixel circuits and second pixel circuits. The light-emitting devices include first light-emitting devices and second light-emitting devices. A first pixel circuit is coupled to a first light-emitting device, and the first pixel circuit is at least partially opposite to the first light-emitting device. A second pixel circuit is coupled to a second light-emitting device, and an orthographic projection of the second pixel circuit and an orthographic projection of the second light-emitting device have no overlap. A width-to-length ratio of a channel of a driving transistor in the first pixel circuit is greater than a width-to-length ratio of a channel of a driving transistor in the second pixel circuit; and/or a channel capacitance of a compensation transistor in the first pixel circuit is larger than a channel capacitance of a compensation transistor in the second pixel circuit.
    Type: Application
    Filed: April 24, 2023
    Publication date: October 31, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dan CAO, Xiaoqing SHU, Wenhui GAO, Yonglin GUO, Yunsheng XIAO
  • Patent number: 12125420
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, a crack detection line and an electrostatic discharge element electrically connected to the crack detection line. The base substrate includes a main body area, an auxiliary area, and a necked-down area connecting the main body area and the auxiliary area, and a display area of the display substrate is in the main body area. The crack detection line surrounds, at least in part, the display area and extends through the necked-down area to the auxiliary area. A length direction of the necked-down area is parallel to a first direction; the main body area, the necked-down area and the auxiliary area are connected in a second direction intersecting the first direction; and the electrostatic discharge element is located in the auxiliary area.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: October 22, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tong Niu, Peng Xu, Wenhui Gao, Siyu Wang, Fengli Ji
  • Patent number: 12111992
    Abstract: Disclosed are a touch panel, a preparation method therefor, and a display apparatus. The touch panel includes a touch region and a bonding region on a side of the touch region in a first direction. The bonding region includes: a chip region including a first edge, a second edge, a third edge, and a fourth edge, the first and second edges extend along a second direction, and the first direction intersects the second direction; multiple pins in the chip region and including multiple display pins and multiple touch pins, the multiple display pins are arranged along the first and second edges, the multiple touch pins are arranged along the third and fourth edges, and the multiple display pins are configured to be connected with display signal lines; multiple touch electrodes in the touch region; and multiple touch signal lines in the touch region and the bonding region.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: October 8, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Peng Xu, Wenhui Gao
  • Publication number: 20240274085
    Abstract: A display panel and a display apparatus are disclosed. The display panel includes: a display region, including M first display regions sequentially disposed along a first direction, and a non-display region, including M first GOA circuits and M clock signal line groups; a first display region includes multiple first signal lines sequentially disposed along the first direction and extending along a second direction intersecting with the first direction, a clock signal line group includes multiple clock signal lines, signals of at least two clock signal lines respectively in at least two clock signal line groups are same; a first GOA circuit includes multiple first GOA units, multiple first GOA units in an m-th first GOA circuit are connected with at least one clock signal line in an m-th clock signal line group, and are connected with multiple first signal lines in an m-th first display region in one-to-one correspondence.
    Type: Application
    Filed: June 30, 2022
    Publication date: August 15, 2024
    Inventors: Yonglin GUO, Yunsheng XIAO, Wenhui GAO
  • Publication number: 20240237449
    Abstract: Disclosed are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a display region and a non-display region surrounding the display region, wherein the non-display region includes a first border region at least partially surrounding the display region, a second border region and a lead convergence region located on a side of the display region, the lead convergence region is located between the first border region and the second border region, and the lead convergence region includes two corner regions and an intermediate convergence region located between the two corner regions; a plurality of data line leads, at least located in the first border region and the lead convergence region, and electrically connected with a plurality of data lines in the display region.
    Type: Application
    Filed: June 4, 2021
    Publication date: July 11, 2024
    Inventors: Wenhui GAO, Peng XU, Siyu WANG, Lingran WANG, Caifeng ZHANG, Kai ZHANG, Shilong WANG, Tiaomei ZHANG, Zhiliang JIANG
  • Publication number: 20240192819
    Abstract: A touch panel includes a base substrate having at least two mounting holes, and a touch function layer including first and second touch units. Each first touch unit includes first touch electrodes located in a same layer, and each second touch unit includes second touch electrodes located in a same layer and insulated from the first touch electrodes. The touch function layer is hollowed out at positions corresponding to the at least two mounting holes and has a gap region at a position corresponding to a region between two adjacent mounting holes. In a first touch unit, first touch electrodes located in the gap region serve as a first gap electrode and a second gap electrode. In a second touch unit, second touch electrodes located in the gap region serve as a third gap electrode located between the first and second gap electrodes and a fourth gap electrode.
    Type: Application
    Filed: February 23, 2024
    Publication date: June 13, 2024
    Inventors: Lingran Wang, Jun Yan, Wenhui Gao, Gukhwan Song
  • Publication number: 20240164173
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel comprises a base substrate, an effective region provided on the base substrate and a bonding region located on one side of the effective region; the bonding region comprises a bonding pin region including a bonding pin, a virtual pin and test signal lines; an orthographic projection of at least one of the test signal lines on the base substrate is within a range of an orthographic projection of the virtual pin on the base substrate, and the orthographic projection of the virtual pin on the base substrate does not overlap with an orthographic projection of the bonding pin on the base substrate.
    Type: Application
    Filed: June 2, 2021
    Publication date: May 16, 2024
    Inventors: Peng XU, Wenhui GAO, Tiaomei ZHANG, Shilong WANG