With the continuous progress of technology, LCD has become an indispensable part of modern people's daily life. Whether it is TV, computer, mobile phone or tablet, LCD has become their common display technology. However, the color expression between different LCDs is very different. Therefore, for users who want to show the best color expressiveness, it is essential to manage color management for LCD.
1. The concept of color management
Color management is a method of systematic management color performance. It realizes the consistency expression of color by describing the characteristics of the equipment and the color space conversion. In the process of color management, key equipment includes source equipment, display equipment and output equipment. Source equipment includes various scanners, digital cameras, etc. converting actual images into digital signals. Display devices include devices that convert digital signals into images into various displays and projectors. The output device includes various printers, printed machines, etc. transferred digital signals into physical devices.
2. The color management skills of LCD screen
Calibration
Calibration is an important step in color management. Through calibration of LCD, it can ensure the consistency of the color expressiveness under various conditions. During the calibration process, special calibration instruments, such as the spectrophotometer, etc., measure and adjust the color temperature, brightness, contrast, etc. of the screen to achieve the best color performance effect.
Gamma curve adjustment
The Gamma curve is a curve that describes the relationship between the brightness of the image and the image level. For LCD, adjusting its Gamma curve can improve its color expression. During the adjustment process, professional image processing software needs to be used to optimize the color by adjusting the brightness curve.
White dot correction
White dots are based on the strength ratio of the red, green, and blue base color of the screen to achieve the adjustment of the white dot. Through the correction of the white dot, the color performance of the screen can be more accurate and improve the color reduction.
The application of color management software
In addition to the above three methods, you can also use some professional color management software, such as DisplayCal, Calman, etc. These software can describe the color characteristics of the LCD LCD screen in detail, and provide some practical color management functions, such as color gamutic functions, such as color gamut Map, color space conversion, etc.
3. Summary
With the continuous development of technology, people's requirements for color performance are getting higher and higher. In the case that LCD has become an indispensable part of modern people's daily life, it has become a necessary step for color management of LCD. Through calibration, GAMMA curve adjustment, white dot correction, and use of color management software, etc., the color performance of LCD can be optimized to meet people's requirements for color consistency and accuracy. At the same time, with the continuous development of display technology, I believe that more advanced color management technology will appear in the future to achieve better color performance effects.
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