"It's coming from the blue LED." Davis and others in the May 2024 presentation declined to name the company whose faulty LED chips they tested. Whether the malfunctioning streetlights were made by ...

From an energy-efficiency standpoint, there’s no comparison. But it may be the case that initial adoption in streetlights ended up being too bright and too blue.

After examining a few streetlights removed from service thanks ... which emits a deep blue light. The defunct units all showed signs of phosphor degradation. In some cases, the phosphors seemed ...