Why need LED display point color correction? Determine the colour of an LED display screen display quality is good enough, and not see how it shows images of the gorgeous, color is rich, more important factor is whether the colour of it restore the true and accurate. Point color correction technology can help achieve LED display display of the real natural effect.

Why need LED display point color correction?
Wavelength of the human eye to pixel resolution in 3 ~ 4 nm, after normal color separation, wavelength range in + / - 2.5 nm lamp, after mixing light chrominance uniformity problem to the human eye has been difficult to distinguish. So color uniformity correction application field of different wavelengths of light mixed light is mainly applied in the same screen. The correction of LED display need to do color gamut space mainly consists of the following three cases:
1, leasing screen. In 2013, for example, 100 April to do a batch of screen box, in January 2014 and 50 cases, how to make a mixture of the two batches of housing? This color correction needs to be done.
2, processing goods. Such as a project the remaining 30 October 2013 module, a project in April 2014 and the rest 60 module, whether the tail goods as domestic shipments? Don't worry, through the color correction can be solved.
3, specify the color gamut space. High-end customers will usually specify LED display standard of color space, so that a unified advertising image. And most of the display screen was first produced is not satisfy this requirement, aging after the completion of the need for bright color calibration. Use after a period of time, light failure, serious when also need to set-up again.
LED display color calibration usually includes the following two aspects of content:
A, color gamut space correction: improve the fidelity of screen body color domain and color consistency (color reduction degrees)
Second, color uniformity correction: improving pixel color consistency (display uniformity)
The former is according to the concept of the whole screen, while the latter is the concept of pixel level.

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