there are several of these on Amazon.
I got this one
http://www.amazon.com/dp/B00LD9SN2O/...I3QLPCDV1FPCR0
It appears the name brand companies don't have the patent situation figured out yet, so it's small Chinese outfits selling them.
I'm really impressed with this bulb. A technology I hadn't seen before. They come in all sizes, but I was only interested in the chandelier kind.