Lamp bead does the function of 80: Generally, lamp bead manufacturers will simulate the test environment of 80 in the product development process, and then apply for lamp bead LM80 test in the laboratory.
The purpose of this is: 1. It is to verify the quality of the lamp beads. 2. When the lamp bead is 80, the lamp manufacturer will use 80 of the lamp bead to apply for ES (Energy Star) of the lamp.