Some days ago I was reading about the concept of dithering in Open GL, where a limited set of color values are mixed to produce higher range of colors.

In current displays each pixel is composed of three led’s each of red, blue and green colors. By varying the intensity of each color a ‘mixed’ color is produced, there by we see all the different colors on the screen. The number of colors are limited to the number of intensity levels of each led.

What if we place two layers of led’s over each other, that way we can enhance the range of colors while still maintaining the same level of intensity levels for each led.

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