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From the original monochrome display, two-color display, three-color display, to today's multi-primary display, LED electronic display has accumulated a variety of color processing technologies, becoming one of the core technologies of LED display. 1, the allocation of white field color coordinates. White field color coordinate allocation is one of the most basic technologies of full color LED electronic display. Many LED electronic display manufacturers have begun to standardize the full color screen color matching process. However, some manufacturers often use the gray level of some primary colors to match the hundred color coordinates, so that the overall performance is not improved. 2, the choice of the primary color wavelength, LED electronic display has been widely used in various fields in its own characteristics, the wavelength of the primary color of LED required in different fields is also different. How to choose the LED base wavelength to achieve better visual effects is based on the use and circumstances. 3. Color reproduction processing. The birth of pure blue and pure green LED makes the full-color LED electronic display popular in the industry with its wide color gamut and high brightness. When expressing human skin color, there is a visually obvious deviation. Therefore, color reproduction Processing technology came into being. The so-called static screen in the LED advertising screen design corresponds to the dynamic screen (scanning screen). A static screen means that all the lights are lit at the same time when the display is displayed. The scanning screen utilizes the visual persistence characteristic of the human eye to illuminate each row of the LED electronic display in a short period of time. The LED electronic display is driven by the duty cycle, so the brightness of the display has a great relationship with the time period of lighting. In the case of the same brightness of the light-emitting tube, the static screen is higher than the brightness of the dynamic screen, so the general outdoor screen uses a static screen, and the indoor screen uses a dynamic screen to save driving costs.
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