Patents by Inventor Wenfeng Xing

Wenfeng Xing 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).

  • Image compensation method for side-emitting backlight and LCD apparatus with the same
    Patent number: 9218771
    Abstract: The present application provides a an image compensation method for side-emitting backlight comprising steps of: S1, dividing the display screen into several regions; S2, arranging virtual light sources at one side of each region where actual light sources are located for imitating the actual light sources; S3, inputting a pixel value and a coordinate of the point to be compensated; S4, computing a ratio value between an all-full-lighting backlight brightness of the point to be compensated when fully lighted and an all-reduced backlight brightness of the point to be compensated when reduced in brightness; S5, obtaining a compensation factor of the point to be compensated, according to the ratio value; S6, compensating the pixel value of the point to be compensated by using the compensation factor; S7, determining whether all the points to be compensated in the image to be compensated have been compensated or not.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: December 22, 2015
    Assignee: Hisense Hiview Tech Co., Ltd
    Inventors: Cuicui Tian, Lili Liu, Wenfeng Xing
  • Image Compensation Method for Side-Emitting Backlight and LCD Apparatus with the Same
    Publication number: 20140184656
    Abstract: The present application provides a an image compensation method for side-emitting backlight comprising steps of: S1, dividing the display screen into several regions; S2, arranging virtual light sources at one side of each region where actual light sources are located for imitating the actual light sources; S3, inputting a pixel value and a coordinate of the point to be compensated; S4, computing a ratio value between an all-full-lighting backlight brightness of the point to be compensated when fully lighted and an all-reduced backlight brightness of the point to be compensated when reduced in brightness; S5, obtaining a compensation factor of the point to be compensated, according to the ratio value; S6, compensating the pixel value of the point to be compensated by using the compensation factor; S7, determining whether all the points to be compensated in the image to be compensated have been compensated or not.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 3, 2014
    Applicant: HISENSE HIVIEW TECH CO., LTD
    Inventors: Cuicui Tian, Lili Liu, Wenfeng Xing