LED F5 lamp beads in-line led green hair green
Factors that cause the LED light source to turn black
2. Oxidation
In a high temperature and high humidity environment, silver will easily react with oxygen and produce black silver oxide. After Xinqin Lighting confirms that the blackening of the light source is caused by the oxidation of the silver plating layer, it will advise customers to further check the air tightness of the light source and lamps to eliminate the path of moisture penetration Illumination LED.
3. Carbonization
In terms of experience, the material shortcomings of the six raw materials (chips, brackets, die-bonding glue, bonding wires, phosphors, packaging glue) of the LED light bar light source and the three major packaging processes (die-fixing, wire bonding, and potting) Disadvantages of the process may cause the light source to generate extremely high temperature, resulting in partial or overall blackening of the light source and carbonization of the light sou…