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Color compensation method and circuit, display device

A color compensation and circuit technology, applied in color signal processing circuits, electrical components, static indicators, etc., can solve the problems of reducing the display effect of the screen, and achieve the effect of improving the display effect of the screen and good display effect

Active Publication Date: 2017-04-12
BOE TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the defects in the prior art, the present invention provides a color compensation method, circuit, and display device, which can solve the problem that the image display effect will be greatly reduced by compressing and decompressing the video signal during the transmission process

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  • Color compensation method and circuit, display device
  • Color compensation method and circuit, display device
  • Color compensation method and circuit, display device

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the descri...

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Abstract

The present invention provides a color compensation method, a circuit, and a display device. The color compensation circuit includes: an acquisition unit for acquiring the grayscale image of the picture to be displayed and the chromaticity image of any color from the video signal; At least some of the pixels in the chroma image have missing chroma values ​​in the video signal; a processing unit is configured to calculate the chroma value in the chroma image according to the changing trend of the gray value in the gray image. The values ​​are smoothed to obtain a color-compensated chromaticity image. It can solve the problem that compressing and decompressing video signals during the transmission process will greatly reduce the picture display effect, and is beneficial to improving the picture display effect in video signal transmission scenarios with loss of chroma value.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a color compensation method, a circuit, and a display device. Background technique [0002] As a transmission method of video signals in the prior art, the YUV method is mainly used to optimize the transmission of color video signals. Compared with the RGB video signal transmission method, its biggest advantage is that it only needs to occupy a very small bandwidth (RGB method Three independent video signals are required to be transmitted at the same time, while the YUV method does not require it). Among them, "Y" represents the brightness (Luminance or Luma), that is, the gray scale value; while "U" and "V" represent the chroma (Chrominance or Chroma), which are used to describe the color and saturation of the image. for the color of the specified pixel. [0003] In order to transmit data with a larger amount of data in a limited bandwidth, such as 4K video, 6K pictures, etc....

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/64
CPCH04N9/64G09G2320/0666G09G2340/02H04N1/646G09G5/02
Inventor 赵天月张丽杰马希通李彦孚
Owner BOE TECH GRP CO LTD
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