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What is color gamut analyzed by the manufacturer of Ruxin High brightness LCD screens?

2022-11-10 18:05:32 Announcer:Shenzhen Rogin Electronics Co., Ltd 139

What is the color gamut? Why is there a difference between some monitors with 72% NTSC and some with 100% sRGB? Today, the manufacturer of Nuxin High brightness LCD screens will explain the issue of color gamut and color gamut coverage.
Color Gamut: A method of encoding a color, also referring to the total number of colors that a display system can produce. Simply put, it refers to the area that can be covered by colors
In order to visually express the concept of color gamut, the CIE International Lighting Association has developed a method for describing color gamut: CIE xy chromaticity chart. In this coordinate system, the color gamut range that each display system can represent is represented by a triangular area composed of RGB three point lines. The larger the triangle area, the larger the color gamut range of this display device.



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Color gamut coverage: The horseshoe shaped chromaticity triangle marked with colors on the CIE xy chromaticity chart is the color area visible to the human eye. If a system can reproduce all colors within the horseshoe shaped area, it can be said that its color gamut coverage is 100%. When reproducing colors using the R, G, and B primary colors, the triangular area formed by the R, G, and B coordinates is the color reproduction area determined by these three primary colors. The ratio of this area to the horseshoe shaped area is the color gamut coverage range. So color gamut coverage is the ratio of the area of a triangle composed of a certain R, G, and B primary color coordinate to the area of a triangle composed of standard R, G, and B primary color coordinates.


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However, the color gamut that a monitor can display does not have such a large range, and compared to the human eye, the color gamut that a monitor can display is smaller. Common color gamut standards such as sRGB, Adobe RGB, NTSC, and DCI-P3 are also based on CIE xy coordinates.

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