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Color debugging method of high color gamut liquid crystal television

A technology of liquid crystal TV and debugging method, which is applied to the parts of color TV, color TV, TV, etc., which can solve the problems of series color display abnormality and achieve the effect of solving side effects

Active Publication Date: 2018-05-11
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a color debugging method for a high color gamut LCD TV. The present invention solves the problems caused by the high color gamut color display under the condition of the color advantage brought by the high color gamut. The series of color display abnormalities, fully reflect the color advantages of high color gamut in terms of subjective image quality, and restore colors better and more clearly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] This embodiment is to carry out color adjustment for the SDR video film source of high color gamut LCD TV, a kind of color adjustment method of high color gamut LCD TV, and its method steps are as follows:

[0069] S1. The internal chip end of the high color gamut LCD TV has a color debugging module. The color debugging module separates 16 monochromatic colors from the color of the high color gamut LCD TV. The 16 monochromatic colors are red, green, blue, blue, and purple. , yellow, general skin color, yellow-green, turquoise, dark skin color, light skin color, partial skin color, lip color, hair color, flesh color, gray, respectively locate the action space of each monochrome color and the relevant parameters of the action space, the action space includes Color saturation, hue, color brightness, the relevant parameters of the action space include the value range of the action space and the action range of the action space;

[0070] S2. Determine the white coordinate va...

Embodiment 2

[0090] This embodiment is aimed at the color adjustment of the HDR video source of the high color gamut LCD TV. The HDR video adopts the BT2020 color space in color. Under the same source content, the HDR video format is thicker and more colorful than the SDR video format. The saturation is higher, and the color detail recognition is lower, so the color saturation needs to be further lowered in the HDR video of the first embodiment. The HDR video format is set independently in terms of color, and does not interfere with the SDR video color adjustment interval.

[0091] A color debugging method for a high color gamut liquid crystal television, the method steps are as follows:

[0092] S1. The internal chip end of the high color gamut LCD TV has a color debugging module. The color debugging module separates 16 monochromatic colors from the color of the high color gamut LCD TV. The 16 monochromatic colors are red, green, blue, blue, and purple. , yellow, general skin color, yell...

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Abstract

The invention discloses a color debugging method of a high color gamut liquid crystal television. By defining a standard white field color coordinate of a high color gamut, independently separating 16kinds of monochromatic color adjustment functions at a chip end, and high-frequency and low-frequency sharpness adjustment of a luminance signal, and setting a total saturation parameter of a signalprocessing back end, the color image quality effect of the liquid crystal television in a high color gamut module is improved, and the technical problems such as excessive color rendering, high colorconcentration, unnatural colors and the like are solved; an HDR video is processed alone, thus not affecting the color settings of the SDR video; and color brightness, color saturation and hue can beadjusted separately, and the characteristics of HDR video are also considered.

Description

technical field [0001] The invention relates to the related display and color reappearance and restoration technical field when a liquid crystal television is equipped with a high color gamut liquid crystal display module, in particular to a color debugging method for a high color gamut liquid crystal television. Background technique [0002] With the development of LCD TVs, the display field is developing vertically in the three-dimensional direction. One is higher physical resolution, the second is higher brightness dynamic display range (HDR), and the third is wider range of color display, namely High color gamut color reproduction, through the combination of signal transmission channel and high color gamut screen, fully displays the colorful nature. With the current development of quantum dot display and high color gamut backlight technology, high color gamut display has quietly entered the consumer market. The LCD TV solution is equipped with a high-color gamut LCD dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/02H04N9/64H04N9/73H04N9/77
CPCH04N9/64H04N9/643H04N9/73H04N9/77H04N17/02
Inventor 范小霞
Owner SICHUAN CHANGHONG ELECTRIC CO LTD