LED display introductory knowledge
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LED is the English abbreviation of light emitting diode, abbreviated as LED. LED display screen (LED panEL) is a display screen composed of an array of LED devices for displaying various information such as text, text, graphics, images, animations, quotes, etc., as well as TV and video signals through a certain control method. As a new generation of display media, it has been widely used in exhibition centers, trading centers, auction centers, financial centers, information centers, securities, telecommunications, taxation, power supply, customs, courts, fire protection, stations, airports, docks, talent markets and other public places with business halls.
According to the display performance, LED display is divided into text LED display, graphic LED display, computer video LED display, TV video LED display and quotation LED display, etc. Quotes LED displays generally include LED displays for securities, interest rates, futures, and other purposes.
LED displays are divided into single primary color LED displays (including pseudo-color LED displays), dual primary color LED displays and full-color (tri-color) LED displays according to the display colors. According to the gray level, it can be divided into 16, 32, 64, 128, 256 gray LED displays, etc.
Monochrome screens are generally made of red light-emitting materials. Dual-color screens are generally composed of red and yellow-green light-emitting materials. The trichromatic screen is divided into full color, which is composed of red, yellow-green (wavelength 570nm) and blue; Nature color, composed of red, pure green (wavelength 525nm), blue.
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