Not long ago, we took a look at Cree’s new LED light bulbs. At US$12.97 a pop, the 60-watt-equivalent model sounded like a pretty good deal. If NliteN’s disk-shaped 2D-Lite reaches production, however ...

LED bulbs come with a deal: Pay a little more than you would for incandescents, and in return you get years of use, lower energy bills and even smart features. And for the most part, they deliver-- ...