LED Module Blister word is a kind of plastic processing, the main theory is to heating the explanate hard plastic plate to soft, and then take vacuum adsorb in the surface of the mould, after it is cool and molding, it is widely used in the plastic packing, lighting, advertisement, decoration industry. Blister word is a kind of channel letter, the face always use acrylic to make plastics sucking moulding, and form with base. Put LED module inside, and the surface technics with plane surface, flat drum, ball drum, prism drum and so on, the materials of drum body are sheet iron stoving varnish, aluminium extruded sections，stainless steel, titanium, the colors of word can be fixed plate or spot color or spot color or four color silk screen.