Graphic and comprehensive analysis of the pixels of the LED display

"Pixel" is a unit used to calculate digital images. Just like a photo taken, digital images also have continuous tone and tone. If we magnify the image several times, we will find that these continuous colors are actually similar to many colors. The small square points are the smallest unit "pixels" that make up the image. This smallest unit of graphics can display a single stain point on the screen.

According to the color principle, we know that red (R), green (G), and blue (B) are called three primary colors. These three colors can be combined to give any color from black to white. In the LED display classification, there are a monochrome display, a two-color display, and a full-color display. Monochrome is relatively simple, and only one of the three primary colors is required to achieve monochrome display. In practical applications, there are more red LED lights. In this case, a red LED is a pixel. Figure 1.

Monochrome display pixel

Figure 1 Pixels in a monochrome LED display


The two-color display is similar to the monochrome display. You can achieve two colors by selecting any two of the three primary colors. In practical applications, choose red and green. When both red and green are on, yellow can be achieved. Therefore, the two-color display can realize three colors of red, green and yellow. As shown in Figure 2.

Two-color display pixel

Figure 2 pixels in a two-color display

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