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The difference between scanning LED display

Author:RSBLED Time:2017-05-24

LED screen scanning method:



Scanning mode: the display in a certain area, while the number of lines and light lines the proportion of the entire region.


Indoor single color is generally 1 / 16 scanning, indoor full color is usually 1 / 8 scan, Outdoor single color is usually 1 / 4 scan


Outdoor led display full color scanning is generally static.


LED display on the market-driven approach has both static scan and dynamic scan, static scan pixel is divided into static and static virtual reality, dynamic scanning is also divided into dynamic real image and dynamic virtual; drive the device for general use made HC595, Taiwan MBI5026 Toshiba TB62726, generally 1 / 2 sweep, 1 / 4 scan, 1 / 8 scan, 1 / 16 sweep.


Give out Description: A popular full-color module pixels 16 * 8 (2R1G1B), if MBI5026 driver module is used in total:


16 * 8 * (2 +1 +1) = 512, MBI5026 for the 16-bit chip, 512/16 = 32

(1) If 32 MBI5026 chips, is a static virtual


(2) If 16 MBI5026 chips, is a dynamic 1 / 2, the virtual scanning


(3) If 8 MBI5026 chips, is a dynamic 1 / 4 scan virtual

If two red thread on the board


(4) 24 MBI5026 chips, is a static implementation of pixels


(5) with 12 MBI5026 chips, is a dynamic 1 / 2 pixel solid brush


(6) with 6 MBI5026 chips, is a dynamic 1 / 4 Real scan pixel


In the LED unit board, scan mode, 1 / 16, 1 / 8, 1 / 4, 1 / 2, static. If different?

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