Robuta

https://www.cree-led.com/products/leds/hb/?_product_beam_angle=30%2C30-min
high brightness ledscree
https://www.tek.com/ko/blog/minimize-self-heating-when-testing-high-brightness-leds
Pulsed testing allows you to test semiconductor devices at very high power levels without overheating them because they have time to cool down during the off...
high brightness ledsminimizeselfheatingtesting