LED full-color display with three basic colors

　　1. Monochrome -- the luminous pixels that make up the LED display have only one color, generally red or green. Due to the high cost of blue LED, it is generally only used to make a full color screen. Monochrome leds are generally only used to display text because of their poor performance.

　　2, double primary color - the LED display light pixel has red and green two colors, depending on the two primary colors of different gray level combination can display a variety of colors. Although the dual primary color screen can not reach the full color display effect, but because of the high performance and price, it has been widely used. It can display text, pictures, animations, and video images. In theory, you can make 256 by 256 colors. But it's always between red and green.

　　3, full color - composed of LED display luminescent pixels have red, green and blue three colors, depending on the different gray level combination of red, green and blue three basic colors can better restore the color of nature, the theory can be switched out 256*256*256 kinds of colors, this color can basically show all the colors we can distinguish with the naked eye. That's why it's called full color. With rich expression, theoretically speaking, its color restoration ability exceeds the TV set, with the price of blue chip drops, the production cost of full color screen continues to reduce, will become the development direction of LED display.

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