At present, due to the high-brightness blue and green pure semiconductor chip manufacturing technology in the hands of Japan and the United States in the hands of a small number of companies, resulting in more expensive price. LED displays used in the following light-emitting materials in the form of:

① LED light-emitting light (or a single lamp)

General from a single LED chips, a bowl of reflective metal anode, cathode metal composition, outsourcing has a condenser capacity of transmission of epoxy resin shell. Can be used one or more of the (different colors) constitute a basic single-pixel light, as the high-brightness, multi-screen outdoor use.

② LED dot matrix module

By the number of light-emitting chips constitute a matrix of epoxy resin used on packaging Su Liaoke inside. Suitable for scanning the ranks of drivers, easy to pose a high density of the screen are used for indoor display.

③ patch-light-emitting LED lights (or SMDLED)

LED is light-emitting light of the solder paste forms of packaging, can be used for indoor full-color screen, can be a single point of maintenance, and effective to overcome the phenomenon of mosaic.