The display color gamut determines the range of colors that the monitor displays. Since the color CRT and LCD work differently, the same RGB values show different colors on different displays. Extensive measurements for different color specimens of different displays were carried out by experimental methods, and the characteristics and color gamut of LCD and CRT were compared. The results show that the color gamut of LCD display is smaller than that of CRT, the image colors shown on CRT can not be shown on the LCD, and the color brightness, saturation and tonal range are also different.%显示器的色域(Color Gamut)决定了显示器能够显示的颜色范围.由于CRT和LCD的显色原理不同,同样的RGB值在不同的显示器上将表现出不同的颜色.通过实验的方法,对不同显示器进行大量不同颜色样块的测量,研究比较LCD和CRT的显色特性和色域.结果表明:LCD的显示色域比CRT要小,并且基本上被完全包围,也就是在CRT上能表现出的图像颜色无法在LCD上表现出来;另外从颜色视觉的感知属性来看,它们所表现出来的颜色明度、彩度和色调范围也有很大的差别.
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