EEVblog #50 - Solid State Cree LED Lighting, and How Thermal Design Sucks.

Dave lights up his new backyard deck with Cree XPG LEDs, and then winds up measuring the wind from a storm instead. And do you know the difference between efficiency and efficacy? Теги: sold,state,cree,xpg,star,led,luxeon,light,lights,lighting,home,heatsink,thermal,design,efficacy,efficiency,calculations,lumens