At present, there are two kinds of light bars mainly used for outdoor advertising light box in the market:
1. Gluing waterproof light belt: gluing waterproof light belt is mainly to apply a layer of glue on the surface of light belt. When gluing, the process requirements are very high. Some adhesives will appear yellowing, cracking and other conditions after use for a period of time, which will affect the use of lamps; pay attention to the fact that the adhesive cannot fill the surface of lamps, or you will drift the color and temperature of lamp strips, which will affect the picture effect of lamp boxes. In the process of bonding with glue, the PCB at the bottom of the gap flow, which will lose the waterproof effect, and the glue on the circuit board will directly affect the heat dissipation lamp strips.
2. Shell waterproof lamp: the main lamp strip of waterproof sleeve is high light transmittance and flame retardant PC sleeve lamp strip. In order to achieve comprehensive waterproof effect, waterproof glue and glue process lamp beads are exposed outside for a long time. Waterproof is to use sleeve to protect all my lamp strips. Lamp beads also play a good role in protection, which can completely prevent water penetration, no matter from technical and practical problems, Waterproof lampshade products superior to glue waterproof lampshade, more comprehensive and effective protection.
The above is the relevant content introduced by Jinan light box manufacturer. For more information, please visit the website: https://www.hongchenad.cn