bicit
Well-Known Member
http://www.amazon.com/Arctic-Alumina-Thermal-Adhesive-5g/dp/B0009IQ1BUUnfortunately, they're not exactly screw and play. You gotta screw them to a heat sink, connect to a driver and perhaps set up a fan. This isn't as difficult as it might sound.
It's all a trade off. CFL's are cheap & simple, while these COB's are more expensive and more difficult to work with in order to provide superior efficiency. You can learn a great deal in LED section if you want to give them a try.