How to make LED advertising lights?
Second, the adhesive is applied to the bottom of the lamp shade so that the lampshade is adhered to the substrate by adhesive. The transparent epoxy resin is filled into the frame of the lampshade, and the resin is encapsulated by heating and hardening. Because the protective layer is bonded to a large number of fine, irregular copper surfaces having sufficient contact area and excellent adhesion, the peeling due to thermal stress can be prevented.
In LED lamps, copper films are first formed on the substrate by electroplating. The protective layer is then bonded to the copper film so that the overall shape of the LED lamp is circular. A thin film of nickel and gold is formed on the part of the unbonded bond layer of the copper film.
Accessories include: substrate, the coating is formed as part of the conductive metal pattern, conductive part comprises successively laminated in this order on a substrate of copper (Cu), nickel (Ni) and gold (Au) thin film; resin box body parts, the adhesive is fixed on the base. On chip; light emitting element, the fixed substrate on the resin frame frame parts, so as to connect with the power metal pattern; protection layer, the surface bonded to the metal pattern wherein the copper film does not contain nickel or gold, with the formation of such structures between the resin substrate and the protective layer is at least partially placed in the box body and the parts; and the transparent resin, the resin is filled into the box body and the box body parts, light emitting element with light transmittance of the resin to encapsulate the.
