LED DOT MATRIX DISPLAY SCREEN

摘要

An LED dot matrix display screen, comprising a PCB substrate (1), a writing touch layer, and LED lamp beads (2) provided on the PCB substrate (1) at intervals. The writing touch layer is filled in gaps among the LED lamp beads (2) and wraps the LED lamp beads (2). The side surface of the writing touch layer against the PCB substrate (1) is a first side surface, the first side surface being a high-hardness surface.