Patents by Inventor Meng LAI

Meng LAI 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).

  • Patent number: 12198598
    Abstract: A brightness adjustment method and a brightness adjustment device of a display panel and a display device are provided. The brightness adjustment method of the display panel including a plurality of sub-pixels includes acquiring grayscale data received by the display panel; performing a data processing process on the grayscale data and at least inserting a plurality of transitional grayscales between a 0-order grayscale and a 1st-order grayscale to form target grayscale data; and adjusting the brightness of the plurality of sub-pixels based on the target grayscale data.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: January 14, 2025
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Chen Zhong, Meng Lai, Qiang Chen, Jiajing Li, Jingxiong Zhou, Ying Sun, Liujing Fan, Zhiqiang Xia
  • Patent number: 12183243
    Abstract: A display panel control method, a display mode of the display panel including a normal display mode and a partial highlight display mode, the control method including obtaining display information of a display area in the display panel in the partial highlight display mode, the display information including a grayscale displayed corresponding to each pixel, and a number of pixels displaying the corresponding grayscale; determining a target gamma curve based on the display information, a difference between a display brightness corresponding to the grayscale in the target gamma curve and a target display brightness required for the pixels to display the corresponding grayscale in the partial highlight display mode being within a predetermined range; and controlling the pixels in the display area to display based on the target gamma curve.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: December 31, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Chen Zhong, Meng Lai, Qiang Chen, Jingxiong Zhou, Zhiqiang Xia, Wenlan Liu, Yinzeng Li, Ying Sun, Liujing Fan
  • Publication number: 20240296774
    Abstract: A brightness adjustment method and a brightness adjustment device of a display panel and a display device are provided. The brightness adjustment method of the display panel including a plurality of sub-pixels includes acquiring grayscale data received by the display panel; performing a data processing process on the grayscale data and at least inserting a plurality of transitional grayscales between a 0-order grayscale and a 1st-order grayscale to form target grayscale data; and adjusting the brightness of the plurality of sub-pixels based on the target grayscale data.
    Type: Application
    Filed: May 9, 2023
    Publication date: September 5, 2024
    Inventors: Chen ZHONG, Meng LAI, Qiang CHEN, Jiajing LI, Jingxiong ZHOU, Ying SUN, Liujing FAN, Zhiqiang XIA
  • Publication number: 20240221574
    Abstract: A display panel control method, a display mode of the display panel including a normal display mode and a partial highlight display mode, the control method including obtaining display information of a display area in the display panel in the partial highlight display mode, the display information including a grayscale displayed corresponding to each pixel, and a number of pixels displaying the corresponding grayscale; determining a target gamma curve based on the display information, a difference between a display brightness corresponding to the grayscale in the target gamma curve and a target display brightness required for the pixels to display the corresponding grayscale in the partial highlight display mode being within a predetermined range; and controlling the pixels in the display area to display based on the target gamma curve.
    Type: Application
    Filed: April 6, 2023
    Publication date: July 4, 2024
    Inventors: Chen ZHONG, Meng LAI, Qiang CHEN, Jingxiong ZHOU, Zhiqiang XIA, Wenlan LIU, Yinzeng LI, Ying SUN, Liujing FAN
  • Publication number: 20240221611
    Abstract: The present application discloses a display panel and a display device. The display panel includes: a plurality of sub-pixels arranged in a plurality of rows and in a plurality of columns, wherein at least one column of the sub-pixels includes sub-pixels of at least two colors; gate drivers at least including a first gate driver and a second gate driver, wherein the first gate driver includes a plurality of first shift register units in a cascaded connection, the second gate driver includes a plurality of second shift register units in a cascaded connection, the first shift register units and the second shift register units are electrically connected to the sub-pixels in different rows, respectively, and color arrangements of the sub-pixels in adjacent pixel rows in response to a first gate driving signal output by a first gate driver are the same.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 4, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Chen ZHONG, Meng LAI, Qiang CHEN, Dipeng LI, Jingxiong Zhou, Zhiqiang XIA
  • Patent number: 12008950
    Abstract: The present application discloses a display panel and a display device. The display panel includes: a plurality of sub-pixels arranged in a plurality of rows and in a plurality of columns, wherein at least one column of the sub-pixels includes sub-pixels of at least two colors; gate drivers at least including a first gate driver and a second gate driver, wherein the first gate driver includes a plurality of first shift register units in a cascaded connection, the second gate driver includes a plurality of second shift register units in a cascaded connection, the first shift register units and the second shift register units are electrically connected to the sub-pixels in different rows, respectively, and color arrangements of the sub-pixels in adjacent pixel rows in response to a first gate driving signal output by a first gate driver are the same.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: June 11, 2024
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chen Zhong, Meng Lai, Qiang Chen, Dipeng Li, Jingxiong Zhou, Zhiqiang Xia
  • Patent number: 11929005
    Abstract: Provided are a drive compensation method and system of a display panel and a display device. The drive compensation method includes: determining at least one of the impedance and capacitive reactance variation curve of a first signal line in a column direction and determining the charge rate variation curve of first pixel units in a row direction; determining the compensation coefficients for a respective pixel unit in the column direction and/or the row direction according to the impedance and capacitive reactance variation curve of the first signal line in the column direction and/or the charge rate variation curve of first pixel units in the row direction; and compensating the compensation coefficients for the respective pixel unit in the column direction and/or the row direction to the drive signal of the respective pixel unit to drive the respective pixel unit.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: March 12, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Qiang Chen, Chen Zhong, Meng Lai, Wang Yu, Jingxiong Zhou, Zhiqiang Xia
  • Patent number: 11776441
    Abstract: Display device and driving method thereof are provided. The display device includes a housing, a display screen, and a drive circuit. The housing includes a first side and a second side opposite to the first side in a first direction. The display screen includes a first end and a second end. At least one of the first end and the second end is accommodated in the housing. A first display area in a display area of the display screen is located between the first side and the second side. A second display area in the display area of the display screen is accommodated in the housing. The drive circuit is configured, when the display screen displays an image, to provide drive signals to the first display area, and control a display of the first display area without providing the drive signals to the second display area.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: October 3, 2023
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Meng Lai, Chen Zhong, Jinjin Yang, Yong Yuan
  • Publication number: 20230169899
    Abstract: Display device and driving method thereof are provided. The display device includes a housing, a display screen, and a drive circuit. The housing includes a first side and a second side opposite to the first side in a first direction. The display screen includes a first end and a second end. At least one of the first end and the second end is accommodated in the housing. A first display area in a display area of the display screen is located between the first side and the second side. A second display area in the display area of the display screen is accommodated in the housing. The drive circuit is configured, when the display screen displays an image, to provide drive signals to the first display area, and control a display of the first display area without providing the drive signals to the second display area.
    Type: Application
    Filed: February 1, 2022
    Publication date: June 1, 2023
    Inventors: Meng LAI, Chen ZHONG, Jinjin YANG, Yong YUAN
  • Publication number: 20230145976
    Abstract: Provided are a drive compensation method and system of a display panel and a display device. The drive compensation method includes: determining at least one of the impedance and capacitive reactance variation curve of a first signal line in a column direction and determining the charge rate variation curve of first pixel units in a row direction; determining the compensation coefficients for a respective pixel unit in the column direction and/or the row direction according to the impedance and capacitive reactance variation curve of the first signal line in the column direction and/or the charge rate variation curve of first pixel units in the row direction; and compensating the compensation coefficients for the respective pixel unit in the column direction and/or the row direction to the drive signal of the respective pixel unit to drive the respective pixel unit.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Qiang CHEN, Chen ZHONG, Meng LAI, Wang YU, Jingxiong ZHOU, Zhiqiang XIA
  • Patent number: 11308855
    Abstract: Provided are a display driving method, a display panel and a display device. The display driving method includes acquiring a to-be-displayed image; the to-be-displayed image is displayed by display pixels, and a vertical projection of each touch electrode on a plane in which the display pixels are located covers a plurality of display pixels; determining whether an area in which touch electrodes are located is in a display dark area according to the to-be-displayed image; and in response to determining that the area in which the touch electrodes are located is in the display dark area, stopping providing a touch driving signal for at least part of the touch electrodes disposed in the display dark area.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: April 19, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Meng Lai, Lifeng Lu, Zhilong Zhuang, Jiancai Huang, Yumin Xu
  • Patent number: 11270093
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of fingerprint recognition circuits. At least one of the plurality of fingerprint recognition circuits includes a light sense signal obtaining unit and a subtracted. The light sense signal obtaining unit is configured to obtain a first light sense voltage value and a second light sense voltage value, the first light sense voltage value is related to a first power voltage value, the second light sense voltage value is related to a second power voltage value, and the first power voltage value is greater than the second power voltage value. The subtracted is configured to subtract the second light sense voltage value from the first light sense voltage value to obtain a light sense data value.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: March 8, 2022
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD
    Inventors: Meng Lai, Lifeng Lu, Zhilong Zhuang, Jiancai Huang, Yumin Xu, Xianyan Yang
  • Publication number: 20210407373
    Abstract: Provided are a display driving method, a display panel and a display device. The display driving method includes acquiring a to-be-displayed image; the to-be-displayed image is displayed by display pixels, and a vertical projection of each touch electrode on a plane in which the display pixels are located covers a plurality of display pixels; determining whether an area in which touch electrodes are located is in a display dark area according to the to-be-displayed image; and in response to determining that the area in which the touch electrodes are located is in the display dark area, stopping providing a touch driving signal for at least part of the touch electrodes disposed in the display dark area.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 30, 2021
    Inventors: Meng LAI, Lifeng LU, Zhilong ZHUANG, Jiancai HUANG, Yumin XU
  • Publication number: 20210165989
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of fingerprint recognition circuits. At least one of the plurality of fingerprint recognition circuits includes a light sense signal obtaining unit and a subtracted. The light sense signal obtaining unit is configured to obtain a first light sense voltage value and a second light sense voltage value, the first light sense voltage value is related to a first power voltage value, the second light sense voltage value is related to a second power voltage value, and the first power voltage value is greater than the second power voltage value. The subtracted is configured to subtract the second light sense voltage value from the first light sense voltage value to obtain a light sense data value.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 3, 2021
    Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd
    Inventors: Meng LAI, Lifeng LU, Zhilong ZHUANG, Jiancai HUANG, Yumin XU, Xianyan YANG