We seem to recall a time when we were very impressed when consumer light emitting diodes had achieved 100 lumens per watt. Engineering LEDs to output twice that power was only a hoop dream except within certain conditions in laboratory…
170 lumens per watt light bulb made a reality by Cree
There once was a time when lighting industry experts hoped that one day we would get LED-powered light bulbs with an efficiency of 100 lumens per watt, that was the hoop dream. Following on their bleeding edge 152 lumen per…
