Btw. Your quote that they are "Furter ahead" is a misnomer. Its "farther" you moronic troglodyte. "Further" is a measure of a persons ability. "Farther" is a measure of accomplishment or distance. Obviously that was covered some time after you dropped out of high school.
Anyway if you're not going to be of any use getting me heatsinks then you're no use to me (or anyone else for that matter) at all. I make it a policy not to deal with internet trolls who go around debunking scientifically published papers and berating people online for their own pleasure.
So have fun rummaging through garbage cans for used LED's. Maybe when your welfare check comes in at the end of the month you can go here
https://www.digikey.ca/product-detail/en/bridgelux/BXRC-40E10K0-D-73-SE/976-1594-ND/6557096
and buy the exact chip that is for sale that you couldn't find. I guess it was too many letters and numbers for your limited mentality to process.
Here's a picture of me at work.
Take care.