Patents by Inventor Zhengxia Lv

Zhengxia 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).

  • Display panel and display apparatus
    Patent number: 12198462
    Abstract: A display panel and a display apparatus are provided, which can improve the fingerprint recognition sensitivity. The display panel includes: a substrate; sub-pixels located at a side of the substrate; a fingerprint sensor located at a side of the substrate away from a light-exiting side of the display panel; and a reflective portion located between the fingerprint sensor and the sub-pixels in a direction perpendicular to a plane of the substrate, and configured to increase light intensity of light that enters the fingerprint sensor.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: January 14, 2025
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Zhiyong Xiong, Zhengxia Lv
  • DISPLAY PANEL AND DISPLAY APPARATUS
    Publication number: 20220165085
    Abstract: A display panel and a display apparatus are provided, which can improve the fingerprint recognition sensitivity. The display panel includes: a substrate; sub-pixels located at a side of the substrate; a fingerprint sensor located at a side of the substrate away from a light-exiting side of the display panel; and a reflective portion located between the fingerprint sensor and the sub-pixels in a direction perpendicular to a plane of the substrate, and configured to increase light intensity of light that enters the fingerprint sensor.
    Type: Application
    Filed: February 10, 2022
    Publication date: May 26, 2022
    Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Zhiyong XIONG, Zhengxia LV
  • Driving method and driving device of a display panel, and display device
    Patent number: 11308852
    Abstract: Provided are a driving method and driving device of a display panel, and a display device. A sub-display region in which gray scale values of first sub-pixels are 0 and gray scale values of second sub-pixels are less than a first preset gray scale value is determined as a first sub-display region, and a sub-display region in which not all of the gray scale values of the first sub-pixels are 0 and not all of the gray scale values of the second sub-pixels are less than the first preset gray scale value is determined as a second sub-display region. In a reset stage, a first reset signal is provided to an anode of an organic light emitting element of a sub-pixel of the first sub-display region and a second reset signal is provided to an anode of an organic light emitting element of a sub-pixel of the second sub-display region.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: April 19, 2022
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Zhiyong Xiong, Zhengxia Lv, Min Yang
  • DRIVING METHOD AND DRIVING DEVICE OF A DISPLAY PANEL, AND DISPLAY DEVICE
    Publication number: 20210233457
    Abstract: Provided are a driving method and driving device of a display panel, and a display device. A sub-display region in which gray scale values of first sub-pixels are 0 and gray scale values of second sub-pixels are less than a first preset gray scale value is determined as a first sub-display region, and a sub-display region in which not all of the gray scale values of the first sub-pixels are 0 and not all of the gray scale values of the second sub-pixels are less than the first preset gray scale value is determined as a second sub-display region. In a reset stage, a first reset signal is provided to an anode of an organic light emitting element of a sub-pixel of the first sub-display region and a second reset signal is provided to an anode of an organic light emitting element of a sub-pixel of the second sub-display region.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Zhiyong Xiong, Zhengxia Lv, Min Yang