source:Industry Trends release time:2024-04-17 Hits: Popular:led screen wholesaler
1, according to the color of primary color can be divided into
Single primary color Large screen: single color (red or green).
Double primary color large screen: red and green double primary color, 256 gray level, can display 65536 colors.
Full-color large screen: red, green, blue three primary colors, 256 gray level full-color large screen can display more than 16 million colors.
2, according to the display device classification LED digital large screen: the large screen device is a 7-segment code digital tube, suitable for the production of clock screen, interest rate screen, etc., display digital electronic large screen.
LED dot matrix image screen: The display device is a dot matrix display module composed of many uniformly arranged light emitting diodes, which is suitable for playing text and image information.
LED video large screen: The display device is composed of many light-emitting diodes, which can display video, animation and other video files.
3, according to the use of classification
Indoor large screen: the light point is small, generally Φ3mm- Φ8mm, the display area is generally several to ten square meters.
Outdoor large screen: the area is generally tens of square meters to hundreds of square meters, high brightness, can work in the sun, with wind, rain, waterproof function.
4, according to the luminous point diameter and spacing classification
Indoor large screen (according to diameter) : Φ3mm, Φ3.75mm, Φ5mm,
Outdoor large screen (according to spacing) : PH10, PH12, PH14, PH16, PH20, PH25, PH31.25, PH37.5......
5. Display modes include static, horizontal scrolling, vertical scrolling and page turning display. Single module control drive 12 blocks (up to 24 blocks can be controlled) 8X8 lattice, a total of 16X48 lattice (or 32X48 lattice), is a single MAX7219 (or PS7219, HD7279, ZLG7289 and 8279 similar LED display driver module) 12 times (or 24 times)! Any lattice large screen can be composed by "cascading" method. The display effect is good, the power consumption is low, and the cost is lower than the MAX7219 circuit.
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