Patents by Inventor Xiangfei ZHANG

Xiangfei ZHANG 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).

  • Luminance compensation method of display device, luminance compensation device and display device
    Patent number: 10453384
    Abstract: A luminance compensation method of a display device, a luminance compensation device and a display device are provided. The luminance compensation method of the display device, comprises: acquiring a preset first luminance compensation information list of the display device, the first luminance compensation information list comprising initial luminance compensation information of a part of a plurality of pixels of the display device; regenerating target luminance compensation information of all of the plurality of pixels of the display device according to the first luminance compensation information list; performing luminance compensation for an input image according to the target luminance compensation information of all of the plurality of pixels of the display device, wherein the part of the plurality of pixels are dispersedly taken from all of the plurality of pixels of the display device.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: October 22, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Xiangfei Zhang
  • Display device and method and apparatus for compensating luminance of display device
    Patent number: 10043443
    Abstract: A luminance compensating method and apparatus for a display device is provided.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: August 7, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Xiangfei Zhang
  • Luminance compensation method and luminance compensation device of display device, and display device
    Patent number: 9704432
    Abstract: A luminance compensation method and a luminance compensation device of a display device, and the display device are provided. The luminance compensation method of the display device, includes: obtaining an input grayscale value of one of a plurality of sub-pixels corresponding to the display device of an input image, and obtaining a functional relationship between a compensated grayscale value and the input grayscale value corresponding to the sub-pixel; obtaining the compensated grayscale value corresponding to the sub-pixel by using the functional relationship, and performing luminance compensation on the sub-pixel according to the compensated grayscale value; and executing the above operations repeatedly for each of the plurality of sub-pixels of the input image.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: July 11, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangfei Zhang, Zhongyuan Wu, Yang Zhou
  • LUMINANCE COMPENSATION METHOD AND LUMINANCE COMPENSATION DEVICE OF DISPLAY DEVICE, AND DISPLAY DEVICE
    Publication number: 20160267838
    Abstract: A luminance compensation method and a luminance compensation device of a display device, and the display device are provided. The luminance compensation method of the display device, includes: obtaining an input grayscale value of one of a plurality of sub-pixels corresponding to the display device of an input image, and obtaining a functional relationship between a compensated grayscale value and the input grayscale value corresponding to the sub-pixel; obtaining the compensated grayscale value corresponding to the sub-pixel by using the functional relationship, and performing luminance compensation on the sub-pixel according to the compensated grayscale value; and executing the above operations repeatedly for each of the plurality of sub-pixels of the input image.
    Type: Application
    Filed: October 14, 2014
    Publication date: September 15, 2016
    Inventors: Xiangfei ZHANG, Zhongyuan WU, Yang ZHOU
  • DISPLAY DEVICE AND METHOD AND APPARATUS FOR COMPENSATING LUMINANCE OF DISPLAY DEVICE
    Publication number: 20160247445
    Abstract: A luminance compensating method and apparatus for a display device is provided.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 25, 2016
    Inventor: Xiangfei ZHANG
  • LUMINANCE COMPENSATION METHOD OF DISPLAY DEVICE, LUMINANCE COMPENSATION DEVICE AND DISPLAY DEVICE
    Publication number: 20150379922
    Abstract: A luminance compensation method of a display device, a luminance compensation device and a display device are provided. The luminance compensation method of the display device, comprises: acquiring a preset first luminance compensation information list of the display device, the first luminance compensation information list comprising initial luminance compensation information of a part of a plurality of pixels of the display device; regenerating target luminance compensation information of all of the plurality of pixels of the display device according to the first luminance compensation information list; performing luminance compensation for an input image according to the target luminance compensation information of all of the plurality of pixels of the display device, wherein the part of the plurality of pixels are dispersedly taken from all of the plurality of pixels of the display device.
    Type: Application
    Filed: October 15, 2014
    Publication date: December 31, 2015
    Inventor: Xiangfei ZHANG