Patents by Inventor Jiemiao PAN

Jiemiao PAN 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: 20240112613
    Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. An operation process of the pixel circuit includes a data writing frame and a holding frame; the data writing frame and the holding frame in the first mode respectively correspond to a bias adjustment signal of Vs11 and Vs12; the data writing frame and the holding frame in the second mode respectively correspond to a bias adjustment signal of Vs21 and Vs22; where |Vs11?Vs12|=|Vs21?Vs22|.
    Type: Application
    Filed: December 4, 2023
    Publication date: April 4, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN
  • Publication number: 20240105093
    Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes drive module including a drive transistor, bias adjustment module to provide a bias adjustment signal to a first pole or a second pole of the drive transistor and initialization module to provide initialization signal to the light emitting element. Operation modes include a first mode and a second mode, and brightness level of the display panel in the first mode greater than that in the second mode. The pixel circuit includes data writing frame and holding frame, data writing frame in first mode corresponds to initialization signal of Vi11, holding frame in first mode corresponds to initialization signal of Vi12, data writing frame in second mode corresponds to bias adjustment signal of Vs21, holding frame in second mode corresponds to bias adjustment signal of Vs22, and |Vi11?Vi12|?|Vs21?Vs22|.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN
  • Publication number: 20240105094
    Abstract: Provided display panel includes pixel circuit and light emitting element. The pixel circuit includes a drive module including a drive transistor, and an initialization module to provide an initialization signal to the light emitting element. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. An operation process of the pixel circuit includes a data writing frame and a holding frame; the data writing frame and the holding frame in the first mode respectively correspond to an initialization signal of Vi11 and Vi12; the data writing frame and the holding frame in the second mode respectively correspond to an initialization signal of Vi21 and Vi22; where |Vi11?Vi12|?|Vi21?Vi22|.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN
  • Publication number: 20240105095
    Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module including a drive transistor, and a bias adjustment module configured to provide a bias adjustment signal to a first pole or a second pole of the drive transistor. Data refresh frequencies of the display panel include a first data refresh frequency F1 and a second data refresh frequency F2, where F1>F2. At the first data refresh frequency F1, the bias adjustment signal is Vf1, and at the second data refresh frequency F2, the bias adjustment signal is Vf2, where Vf1?Vf2; or, at the first data refresh frequency F1, a duration of a bias adjustment stage in one data refresh period is T1, and at the second data refresh frequency F2, a duration of a bias adjustment stage in one data refresh period is T2, where T1?T2.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN
  • Publication number: 20240105096
    Abstract: Provided display panel includes a pixel circuit and a light emitting element. The pixel circuit includes a drive module, and a bias adjustment module; the drive module includes a drive transistor; and the bias adjustment module is configured to provide a bias adjustment signal to a first pole of the drive transistor or a second pole of the drive transistor. Operation modes of the display panel include a first mode and a second mode, and a brightness level of the display panel in the first mode is greater than a brightness level of the display panel in the second mode. The bias adjustment signal in the first mode is Vs1 and the bias adjustment signal in the second mode is Vs2, and where Vs1?Vs2.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN
  • Publication number: 20240088338
    Abstract: The embodiments of the present application provide a display panel and a display apparatus. The display panel includes a plurality of light-emitting elements including a first-color light-emitting element and a second-color light-emitting element; a plurality of conductive parts electrically connected to the light-emitting elements, wherein in the plurality of conductive parts, a conductive part electrically connected to the first-color light-emitting element is a first conductive part, and a conductive part electrically connected to the second-color light-emitting element is a second conductive part; and a first scan signal line overlapped with and insulated from the conductive parts, wherein an overlapping area of the first scan signal line and the first conductive part is larger than an overlapping area of the first scan signal line and the second conductive part.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 14, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Yuheng ZHANG, Guoxing Chen, Jiemiao Pan
  • Publication number: 20240078948
    Abstract: A display panel includes a pixel circuit and a light-emitting element. The working process of the pixel circuit includes a data write stage and a bias stage. The working process of the pixel circuit includes a first light emission stage and a first non-light emission stage. In the first non-light emission stage, a bias maintaining stage is from the start moment of the bias stage to the start moment of the first light emission stage. Working modes of the display panel include a first mode and a second mode. The display brightness of the display panel in the first mode is different from the display brightness of the display panel in the second mode. The length of the bias maintaining stage in the first mode is different from the length of the bias maintaining stage in the second mode.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 7, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Yuheng Zheng, Jiemiao Pan, Xiangyuan Li, Jinjin Yang
  • Publication number: 20240046832
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. In a data writing phase, a data writing module of the pixel circuit provides a data signal. In an initialization writing phase, an initialization module of the pixel circuit provides an initialization signal. In the same data writing frame, a time period between the start time of the initialization writing phase and the start time of the data writing phase is an initialization phase. The duration of the initialization phase in a first mode is different from the duration of the initialization phase in a second mode, and/or the duration of the initialization writing phase in a first mode is different from the duration of the initialization writing phase in a second mode.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 8, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Jiemiao PAN, Yuheng ZHANG
  • Patent number: 11875717
    Abstract: Display panel, integrated chip and display apparatus are provided. Display panel includes pixel circuit including drive module, bias adjustment module and initialization module, and light emitting element. Drive module configured to provide drive current to light emitting element, and includes drive transistor; bias adjustment module configured to provide bias adjustment signal to first pole or second pole of drive transistor; initialization module configured to provide initialization signal to light emitting element. Operation modes of display panel include first mode and second mode, and brightness level of display panel in first mode greater than that in second mode. Bias adjustment signal Vs1 in first mode and bias adjustment signal Vs2 in second mode satisfies Vs1?Vs2; and/or, initialization signal Vi1 in first mode and initialization signal Vi2 in second mode satisfies Vi1?Vi2. With embodiments of present disclosure, display uniformity of display panel can be improved.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: January 16, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng Zhang, Jiemiao Pan
  • Publication number: 20220335872
    Abstract: Display panel, integrated chip and display apparatus are provided. Display panel includes pixel circuit including drive module, bias adjustment module and initialization module, and light emitting element. Drive module configured to provide drive current to light emitting element, and includes drive transistor; bias adjustment module configured to provide bias adjustment signal to first pole or second pole of drive transistor; initialization module configured to provide initialization signal to light emitting element. Operation modes of display panel include first mode and second mode, and brightness level of display panel in first mode greater than that in second mode. Bias adjustment signal Vs1 in first mode and bias adjustment signal Vs2 in second mode satisfies Vs1?Vs2; and/or, initialization signal Vi1 in first mode and initialization signal Vi2 in second mode satisfies Vi1?Vi2. With embodiments of present disclosure, display uniformity of display panel can be improved.
    Type: Application
    Filed: July 4, 2022
    Publication date: October 20, 2022
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Yuheng ZHANG, Jiemiao PAN