Introduction to the display
LED is light emitting diode abbreviation, referred to as LED. LED display (LED panEL) is a certain control mode, used to display text, text, graphics, images, animation, market and other information and television, video signals and LED devices array composed of the display screen. As a new generation of display media, has been widely used in exhibition centers, trading centers, auction centers, financial centers, information centers, securities, telecommunications, taxation, power supply, customs, courts, fire, stations, airports, terminals, talent market Business hall of public places.
Use the environment
LED display according to the use of the environment is divided into indoor LED display, semi-outdoor LED display, outdoor LED display
Indoor screen area is generally less than 1 square meters to ten square meters, the point density is high, in non-direct sunlight or lighting environment, watch the distance in a few meters away, the screen body does not have the ability to seal waterproof.
Semi-outdoor screen between the outdoor and indoor between the two, with a high luminous brightness, can be used in non-sun direct outdoor use, the screen body has a certain seal, generally under the eaves or window.
Display performance
LED display according to the display performance is divided into text LED display, graphic LED display, computer video LED display, TV video LED display and market LED display. Quotes LED display generally includes securities, interest rates, futures and other purposes of the LED display.
Show color
LED display according to the display color is divided into single-color LED display (including pseudo-color LED display), dual-color LED display and full color (three primary colors) LED display. According to the gray level can be divided into 16, 32, 64, 128, 256 gray LED display and so on.
Monochrome screens are typically made of red luminescent material.
Dual-color screen is generally composed of red and yellow-green light-emitting materials.
Three-color screen is divided into full-color (full color), from red, yellow-green (wavelength 570nm), blue composition; true color (nature color), by the red, pure green (wavelength 525nm), blue composition.
Basic light spots
Non-market LED display, indoor LED display according to the use of LED single point diameter can be divided into Φ3.0mm (62500 points / m 2), Φ3.7mm (44100 points / m 2), Φ4.8mm (27800 points / M 2), Φ5 mm (17200 dots / m 2), Φ8 mm (10000 dots / m 2)
Outdoor LED display according to the pixel diameter can be divided into Φ8mm (10000 points / m 2), Φ12mm (3906 points / m 2), Φ16mm (2500 points / m 2), Φ26mm (1024 points / m 2) Display screen. The LED display can be divided into 2.0cm (0.8inch), 2.5cm (1.0inch), 3.0cm (1.2inch), 4.6cmm (1.8inch), 5.8cm (2.3inch) according to the size of the digital tube, 7.6cm (3inch) and so on