Nowadays, it is hard to ignore led screen’s existence, you can see led screen in the street, on the wall, in the shopping mall, at the theater. Its existence is everywhere. From different viewing point, LED screens can be devided into different types.
As for the LED screen business, There are two categories of product need HS code. 1: LED display, 2: LED Screen accessories like spare parts, LED board, Hub Board, power supplier for LED screen.
SMD means surface mount led, which is a technology for led lamp package. While GOB means Glue on board, which is a treatment that put glue on the led module surface where it already have thousand of SMD lamps(pixels).