According to the principle of color, it is known that red r, green g, blue b are called three primary colors. The three colors can be combined to give any color from black to white. Led display screen classification, there are monochrome display screen, double color display screen, full color display screen. Monochrome is relatively simple, only need to choose any one of the three primary colors can realize monochrome display. In practical application, more red led lights are selected. In this case, a red led is a pixel.
Let's look at the next led display pixel technology:
1. dynamic pixel technology: a pixel is divided into several independent led units. Each led unit reproduces corresponding primary color information of several adjacent pixels in a time division multiplexed manner.
2. virtual pixel technology: in the display system, when the displayed information is scrolled in a certain way in a certain direction, a series of moving and physically non-existent virtual pixels are generated between two adjacent pixels by utilizing the characteristics of the short-term visual effect of human beings, so that each led single tube is adjusted to enhance the resolution of the led full-color display screen to achieve the best image effect, and the theory is that the image resolution can be improved, which is generally 4 times.
3. pixel sharing technology: a complete independent pixel of the display terminal is periodically refreshed by information of a plurality of adjacent pixels in a signal source in a time division multiplexing mode. A complete individual pixel of that display terminal is share in a time division multiplexed man with a plurality of pixels in the signal source that can be understood.