Re:Buy on Google is now open and commission-free
by namibj on Friday July 24, 2020 @01:28AM
(#23936038)
I can confirm. The one time I had some of the LEDs die is when I tried to hack a fan-less 150 W LED desk lamp together form 9W COBs thermal-epoxied to a trade fare showpiece from a Chinese streetlight/factory-downlight company, that they used for 200 W. But I had it upside-down and without a heat spreader layer, which I blame the LED's death on.
Other than that, I'm happy with a 100 W, 5 m long, 1800 K, 95 CRI strip with a 15~16 kHz PWM dimmer, and my collection of the high-power remote phosphor bulbs and my share of a box of pseudo-filament bulbs. We're looking at bi-color white+white (flexible CCT) strips on top of the cable trays, illuminating the ceiling, for our renovated hacker space.
For reference: YUJI's "normal" "BC" double-phosphor 95 CRI LEDs are about 1 USD/W, sold in packages typically worth 50~150 USD.
https://store.yujiintl.com/collections/residential-lighting-...
I am a happy customer of this vendor. I bought all the misdescribed hard to find stuff on amazon first... what worked at all failed quickly. The yuji stuff seems a little pricey, but factoring in defect rate it isn't.
Mostly I've purchased 2700k high density strip (now probably several grand worth), but I've also bought a few cases of a19 bulbs and am also very happy with them.