Patents by Inventor Yifan HUANGFU

Yifan HUANGFU 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).

  • Pixel driving circuit, display panel having the pixel driving circuit and driving method of display panel
    Patent number: 10971100
    Abstract: The present disclosure provides a driving method of a display panel, the display panel including a plurality of pixels, each row of pixels correspond to a gate line, each column of pixels correspond to a data line, the driving method including: comparing a current frame of image with a previous frame of image to determine a non-changing row of the pixels, contents displayed by each pixel in the non-changing row for the current frame of image and contents displayed by each pixel in the non-changing row for the previous frame of image are the same; selecting a non-charging row from the non-changing row according to a predetermined time; providing, when displaying the current frame of image, an invalid signal to the gate line of the non-charging row during a scanning time for the gate line of the non-charging row to not to charge the non-charging row.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: April 6, 2021
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ying Zhang, Sijun Lei, Xu Lu, Xianyong Gao, Shoujun Xiao, Yifan Huangfu, Zhicai Xu, Bo Ran, Yongli Ge
  • DRIVING METHOD OF DISPLAY PANEL, PIXEL DRIVING CIRCUIT, AND DISPLAY PANEL
    Publication number: 20200098326
    Abstract: The present disclosure provides a driving method of a display panel, the display panel including a plurality of pixels, each row of pixels correspond to a gate line, each column of pixels correspond to a data line, the driving method including: comparing a current frame of image with a previous frame of image to determine a non-changing row of the pixels, contents displayed by each pixel in the non-changing row for the current frame of image and contents displayed by each pixel in the non-changing row for the previous frame of image are the same; selecting a non-charging row from the non-changing row according to a predetermined time; providing, when displaying the current frame of image, an invalid signal to the gate line of the non-charging row during a scanning time for the gate line of the non-charging row to not to charge the non-charging row.
    Type: Application
    Filed: August 9, 2019
    Publication date: March 26, 2020
    Inventors: Ying ZHANG, Sijun LEI, Xu LU, Xianyong GAO, Shoujun XIAO, Yifan HUANGFU, Zhicai XU, Bo RAN, Yongli GE