Patents by Inventor Yongqiang DU

Yongqiang DU 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: 20250040355
    Abstract: A display panel, a manufacturing method of a display panel, and a display device. The display panel includes a substrate, an array circuit layer, a pixel defining layer, a first capacitor, and multiple sub-pixel units. The array circuit layer includes multiple drive transistors. Each of the multiple sub-pixel units (PX) includes a first electrode. The first capacitor includes a first pole plate and a second pole plate. The pixel defining layer covers the first pole plate, the second pole plate is located on a side of the pixel defining layer facing away from the substrate, an orthographic projection of the first pole plate on the substrate at least partially overlaps with an orthographic projection of the second pole plate on the substrate, and the first pole plate is connected to a gate of a drive transistor.
    Type: Application
    Filed: August 28, 2024
    Publication date: January 30, 2025
    Applicants: HEFEI VISIONOX TECHNOLOGY CO., LTD., VISIONOX TECHNOLOGY INC.
    Inventors: Yongqiang DU, Xiaoxi SUN, Deqiang ZHANG, Xuejing ZHU, Bo RAO
  • Publication number: 20250006113
    Abstract: A pixel driving circuit and a display panel. The pixel driving circuit includes at least one first pixel driving unit and at least one second pixel driving unit. The first pixel driving unit includes a first drive transistor and a first light-emitting element, and the first drive transistor has a first threshold adjustment gate configured to receive a first adjustment signal. The second pixel driving unit includes a second drive transistor and a second light-emitting element, and the second drive transistor has a second threshold adjustment gate configured to receive a second adjustment signal. The first light-emitting element and the second light-emitting element have different light emitting colors, and when the first light-emitting element and the second light-emitting element 10 perform at a target grayscale, the first adjustment signal and the second adjustment signal have different voltage values.
    Type: Application
    Filed: April 29, 2024
    Publication date: January 2, 2025
    Applicant: HEFEI VISIONOX TECHNOLOGY CO., LTD.
    Inventor: Yongqiang DU
  • Publication number: 20240420624
    Abstract: A display panel, a method for driving a display panel, and a display apparatus. The display panel includes at least two partitions, at least two first power supply voltage signal lines, and at least two first initialization signal lines, each of the partitions includes at least one sub-pixel, and the sub-pixel includes a light-emitting element; and the first initialization signal lines connected to first electrodes of light-emitting elements in at least two of the partitions are different, second electrodes of the light-emitting elements in at least two of the partitions are insulated from each other, the first power supply voltage signal lines connected to the second electrodes of the light-emitting elements in at least two of the partitions are different, the first initialization signal line is configured to transmit a first initialization signal for initializing the first electrode of the light-emitting element.
    Type: Application
    Filed: May 14, 2024
    Publication date: December 19, 2024
    Applicant: Hefei Visionox Technology Co., Ltd.
    Inventors: Yuan YAO, Chung-Chun LEE, Yiming XIAO, Yunjie LIU, Zengqiang XIA, Yongqiang DU
  • Publication number: 20240389408
    Abstract: A display panel has a display area and a peripheral area including: a first fan-out region, a bending region, and a second fan-out region. The display panel includes: a substrate layer, at least one connecting lead and at least one first-type signal line. The substrate layer includes a first substrate and a second substrate. The at least one connecting lead is between the first and second substrates and extends from a side of the bending region to another side of the bending region through the bending region. The at least one first-type signal line is located on a side of the second substrate away from the first substrate. A first-type signal line is in at least one of the first fan-out region or the display area. The first-type signal line is electrically connected to a connecting lead through a via hole in the second substrate.
    Type: Application
    Filed: June 29, 2022
    Publication date: November 21, 2024
    Inventors: Yongqiang DU, Jizhe WANG, Ying ZHANG, Zhihao XIE, Hengzhen LIANG
  • Publication number: 20240355285
    Abstract: A pixel circuit and a display panel. The pixel circuit includes a drive circuit, a first reset circuit, a data write circuit, a first light emission control circuit, a second light emission control circuit and a storage circuit. The first reset circuit is connected to the drive circuit; the data write circuit is connected to the drive circuit; the first light emission control circuit is connected in series with a light-emitting element between a positive voltage power supply and the drive circuit; the second light emission control circuit is connected between the drive circuit and a negative voltage power supply; the storage circuit is electrically connected to the drive circuit.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 24, 2024
    Applicants: Hefei Visionox Technology Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Yongqiang DU, Chunlei ZHANG
  • Publication number: 20240324429
    Abstract: The present disclosure provides a display module and an intelligent terminal. The display module includes: a display panel; a first heat dissipation structure, wherein the first heat dissipation structure is disposed at a first side of the display panel, and the first heat dissipation structure is configured to dissipate heat for the display panel; a second heat dissipation structure, where the second heat dissipation structure is disposed at a side of the first heat dissipation structure away from the display panel, and a heat dissipation space is formed between the second heat dissipation structure and the first heat dissipation structure; a first heat generation element, wherein the first heat generation element includes at least one heat generation unit, and the at least one heat generation unit is located inside the heat dissipation space.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 26, 2024
    Inventors: Yongqiang DU, Hui ZHAO, Hengzhen LIANG
  • Publication number: 20240312410
    Abstract: A pixel circuit includes a drive circuit, a data write circuit, and a light-emitting device; the data write circuit is connected between a data line and the drive circuit and is configured to transmit a data voltage of the data line to the drive circuit during a data writing stage; the drive circuit is connected between a power line and a first electrode of the light-emitting device, a second electrode of the light-emitting device is connected to the data line, and during a light emission stage, a second power voltage is transmitted to the second electrode of the light-emitting device through the data line connected to the second electrode of the light-emitting device.
    Type: Application
    Filed: April 24, 2024
    Publication date: September 19, 2024
    Applicants: HEFEI VISIONOX TECHNOLOGY CO., LTD., VISIONOX TECHNOLOGY INC.
    Inventors: Yunjie LIU, Yongqiang DU, Chunlei ZHANG
  • Publication number: 20230389200
    Abstract: A display device, including: a housing, an accommodating space being provided inside the housing, and an opening is provided on the surface of the housing; a reel, rotatably installed in the accommodating space around its own axis; a flexible display screen, having a start end and a terminal end opposite to each other, and a display surface and a fitting surface opposite to each other; the start end is connected to the reel, the terminal end is in a free state, so that the flexible display screen can be rolled or unfolded around the reel; when the flexible display screen is in a rolled state, the flexible display screen is accommodated in the accommodating space, and when the flexible display screen is in an unfolded state, the terminal end extends out of the housing from the opening; and an adsorption device.
    Type: Application
    Filed: November 30, 2020
    Publication date: November 30, 2023
    Inventors: Yongqiang DU, Hui ZHAO