Driven by consumers' higher demand, intelligent mobile phone has been updated faster and faster, which emphasizes on color rendering in mobile phone design and production. In this paper, firstly, the RGB imported to mobile phone that to be measured, and set the brightness, color temperature, and other parameters. Finally, L~*a~*b~* value in four corners of mobile phone screen and central screen is tested through X-riteI1 pro2 spectrophotometer, PC, and Measure Tool software. Through statistical analysis of these data calculate the color difference with the measurement value and the primary L~*a~*b~* value, so as to analyze the color reproduction ability of a mobile phone screen. The study of the color reproduction ability of mainstream brand intelligent mobile phone will benefit designers to design more humanized products and improve the immersion of users.
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