However, from the feedback of customers in recent years, in the use of led display, still encounter a lot of "dead light" phenomenon, especially small-pitch products (because a large number of led lights within a unit area, resulting in " The "death lamp" has a higher probability. This is also a headache for the manufacturer. It has to deal with the losses caused by the bad products and also affect the customer's confidence in the company.
After analyzing the causes of the LED "deadlight," we discovered that there are many causes of the "deadlight". There may be "deadlight" phenomena in everything from chip package application to use, and the source is LED lamp beads themselves.
We have studied the five major raw materials that make up the LED lamp beads (chips, holders, phosphors, die attach adhesives, packaging adhesives, and connectors) and found out which material is the most important factor in the lifetime of the LED lamp beads.
