(1) Light-emitting part: The display module of the module full-color screen is generally yellow-green, and the pure green module is more expensive; the SMD full-color screen generally uses a pure green die;
(2) Display effect: The pixel point of the module full-color screen has a thick visual perception, low brightness, and is prone to mosaic phenomenon; the patch full-color screen has good consistency and high brightness;
(3) Maintenance: The full-color module is not easy to maintain, and the replacement cost of the entire module is high; the full-color patch is easy to maintain, and can be repaired and replaced for a single lamp;
