These high power Galium Nitride edge devices are bright!
As much as I don’t like Cree (I have hired many ex-Cree engineers who were very unhappy, but some of the most talented engineers in the semiconductor business) they have a profitable (lucrative) manufacturing process and are SECURELYpatented.
1,598 family groups, 2,267 patent records in the above link
The Japanese are not far behind, but they are behind.
For the record, I have tried many LED indoor bulbs of different temperature (color) and prefer the Honeywell dimmable bulbs.