Patents by Inventor Yedong WANG

Yedong WANG 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: 20250046229
    Abstract: A display panel includes sub-pixels in a first region, sub-pixels in a second region, and a processor. The processor is configured to determine a luminance compensation signal based on a difference between a first operating temperature of the first region and a second operating temperature of the second region according to a predetermined correlation of temperature to luminance; and control data lines and gate lines associated with the first region or the second region to output the luminance compensation signal to the first region or the second region through the data lines associated with the first region or the second region, to compensate luminance of the first region or the second region.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 6, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong WANG, Jia ZHANG
  • Patent number: 12154476
    Abstract: The present disclosure provides a luminance adjustment method and device of a display panel. In the method, firstly, a difference between the luminance parameters of different regions of the target panel are obtained, and temperatures of different regions of the target panel are obtained according to the difference of the luminance parameters of the different regions of the target panel. Then, luminance compensation parameters of the corresponding regions are obtained according to a correlation of the luminance to the temperature and a difference of the operating temperatures of the different regions, and finally, the luminance of a corresponding region is compensated according to the luminance compensation parameters.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: November 26, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong Wang, Jia Zhang
  • Patent number: 12067958
    Abstract: A mura compensation method of a display panel and a display panel are provided. The display panel includes a display area. The display area includes a regular display sub-area and a function display sub-area. The mura compensation method of the display panel includes: performing an initial compensation for each pixel unit in the display area; acquiring an actual grayscale value and an actual brightness value of each pixel unit in the function display sub-area; and determining a secondary compensation value of each pixel unit in the function display sub-area and performing a secondary compensation.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: August 20, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yedong Wang
  • Patent number: 12027111
    Abstract: A display panel and a control method thereof are provided. The control method comprises obtaining display information and compensation parameter information of the display panel, wherein the compensation parameter information includes multiple display parameter groups and multiple compensation parameter groups which are in one-to-one correspondence, and the display information is one of the display parameter groups; determining a target compensation parameter group corresponding to the display information from the compensation parameter groups according to the display information and the compensation parameter information; and compensating the light emitting brightness of the display panel according to the target compensation parameter group.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: July 2, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong Wang, Jia Zhang
  • Publication number: 20240177646
    Abstract: The present disclosure provides a luminance adjustment method and device of a display panel. In the method, firstly, a difference between the luminance parameters of different regions of the target panel are obtained, and temperatures of different regions of the target panel are obtained according to the difference of the luminance parameters of the different regions of the target panel. Then, luminance compensation parameters of the corresponding regions are obtained according to a correlation of the luminance to the temperature and a difference of the operating temperatures of the different regions, and finally, the luminance of a corresponding region is compensated according to the luminance compensation parameters.
    Type: Application
    Filed: March 15, 2022
    Publication date: May 30, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong WANG, Jia ZHANG
  • Publication number: 20240096272
    Abstract: A display panel and a control method thereof are provided. The control method comprises obtaining display information and compensation parameter information of the display panel, wherein the compensation parameter information includes multiple display parameter groups and multiple compensation parameter groups which are in one-to-one correspondence, and the display information is one of the display parameter groups; determining a target compensation parameter group corresponding to the display information from the compensation parameter groups according to the display information and the compensation parameter information; and compensating the light emitting brightness of the display panel according to the target compensation parameter group.
    Type: Application
    Filed: December 17, 2021
    Publication date: March 21, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong WANG, Jia ZHANG
  • Publication number: 20240038198
    Abstract: A mura compensation method of a display panel and a display panel are provided. The display panel includes a display area. The display area includes a regular display sub-area and a function display sub-area. The mura compensation method of the display panel includes: performing an initial compensation for each pixel unit in the display area; acquiring an actual grayscale value and an actual brightness value of each pixel unit in the function display sub-area; and determining a secondary compensation value of each pixel unit in the function display sub-area and performing a secondary compensation.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 1, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yedong WANG
  • Publication number: 20220413637
    Abstract: A method for predicting a drawn point of a stylus includes obtaining a plurality of reported points of a stylus, determining a reported point prediction model based on the reported points, performing prediction using the reported point prediction model to obtain at least one predicted point, and drawing the at least one predicted point and displaying the drawn predicted point.
    Type: Application
    Filed: November 23, 2020
    Publication date: December 29, 2022
    Inventors: Da Wu, Yedong Wang, Rui Yan, Feng Sun
  • Patent number: 10618273
    Abstract: The present disclosure provides a screen printing device, including a printing screen having a printing mesh and a mesh frame, and a squeegee blade, wherein the printing mesh has first and second longitudinal ends, first and second blank areas, and a printing portion with printed patterns between the first and second blank areas, which being movably connected to the mesh frame by a tension adjusting mechanism respectively and being provided with at least one tension sensor respectively approximate to the printing portion, wherein the device further has a control means for receiving a tension measurement value from the tension sensor and compare it with a reference value so as to control the tension adjustment mechanism to adjust the tension in the printing mesh. The disclosure further provides a method for adjusting the tension of the printing mesh of the screen printing device.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 14, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Jingjing Chen, Xuefei Bai, Xuansheng Wang, Yedong Wang
  • Publication number: 20190143670
    Abstract: The present disclosure provides a screen printing device, including a printing screen having a printing mesh and a mesh frame, and a squeegee blade, wherein the printing mesh has first and second longitudinal ends, first and second blank areas, and a printing portion with printed patterns between the first and second blank areas, which being movably connected to the mesh frame by a tension adjusting mechanism respectively and being provided with at least one tension sensor respectively approximate to the printing portion, wherein the device further has a control means for receiving a tension measurement value from the tension sensor and compare it with a reference value so as to control the tension adjustment mechanism to adjust the tension in the printing mesh. The disclosure further provides a method for adjusting the tension of the printing mesh of the screen printing device.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 16, 2019
    Inventors: Jingjing CHEN, Xuefei BAI, Xuansheng WANG, Yedong WANG