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A color adjustment method for high color gamut LCD TV
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A technology of liquid crystal TV and debugging method, which is applied to the parts of color TV, color TV, TV, etc., can solve problems such as abnormal display of series colors, and achieve the effect of solving side effects
Active Publication Date: 2019-06-21
SICHUAN CHANGHONG ELECTRIC CO LTD
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Abstract
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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
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Embodiment 1
[0068] In this embodiment, color debugging is performed on the SDR video source of a high color gamut LCD TV. A color debugging method for a high color gamut LCD TV has the following steps:
[0069] S1. The internal chip of the high color gamut LCD TV has a color debugging module. The color debugging module separates 16 kinds of monochromatic colors for the colors of the high color gamut LCD TV. The 16 kinds of monochromatic colors are red, green, blue, cyan, and purple. , Yellow, general skin color, yellow-green, cyan, dark skin color, bright skin color, partial skin color, lip color, hair color, flesh color, gray, respectively locate the action space of each monochrome color and the related parameters of the action space. The action space includes Color saturation, hue, color brightness, and related 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 value of the high colo...
Embodiment 2
[0090] This embodiment is to perform color debugging for HDR video source of high color gamut LCD TV. HDR video adopts BT2020 color space in color. Under the same source content, HDR video format is richer and brighter than SDR video video format. The saturation is higher and the color details are less recognizable. Therefore, in the HDR video of the first embodiment, the color saturation needs to be further lowered. The HDR video format is set separately in color and does not interfere with the SDR video color adjustment interval.
[0091] A color adjustment method for high-color gamut LCD TVs, the method steps are as follows:
[0092] S1. The internal chip of the high color gamut LCD TV has a color debugging module. The color debugging module separates 16 kinds of monochromatic colors for the colors of the high color gamut LCD TV. The 16 kinds of monochromatic colors are red, green, blue, cyan, and purple. , Yellow, general skin color, yellow-green, cyan, dark skin color, bright...
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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 technical field of related display and color reproduction and restoration when an LCD TV is equipped with a high-color gamut liquid crystal display module, in particular to a color debugging method for a high-color gamut LCD TV. Background technique [0002] With the development of LCD TVs, the display field has developed in a three-dimensional direction. One is higher physical resolution, the second is higher-brightness dynamic display range or HDR, and the third is a wider range of color display, namely High color gamut color reproduction, through the combination of signal transmission channel and high color gamut screen, fully display the colorful nature of nature. With the development of quantum dot display and high color gamut backlight technology, high color gamut displays have quietly entered the consumer market. The LCD TV solution is equipped with a high color gamut LCD display and the color gamut reaches above NTSC 10...
Claims
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Application Information
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