Others claimed only 7,500 or 15,000 hours. And yes, these are brand-name bulbs from Cree and GE. So, what happened to those 100,000 hour residential LED bulbs? Were the initial estimates just over ...

Like the string, the LED light bulbs are also dipped in flux. The bulbs are then finally soldered with the wire. The machine lines up all the stripped parts of the string with the individual light ...