I've noticed a new type of LED creeping into the market, I have seen absolutely no videos about these types of LED's, but they are basically the answer to the oversized cob-webs that we have been subjected to. They are basically small size 300-500W super bright LED's, that are like 1 inch squared in size, as opposed to 3-4 inches how it would be with the cob-web design, and they seem to be flooded with some sort of glassy epoxy.
The first time I saw this absolutely batshit insane LED was on a Russian youtube channel here https://www.youtube.com/watch?v=AxTGS5i2AHY
he uses an Aliexpress 300W version. (at 50 seconds he shows size comparison of 100W cob web Vs. this new design 300W)
What I struggle with is doing a widespread search for these, nobody seems to specify what type of LED's they are, they are clearly high power, and clearly not cob-web, so what the hell are they? This scientific article describes it as "Jumbo Dye LED" and is mainly targeted at stage illumination, medical endoscope use, others describe them as "copper core board LED."
Help me understand what they are called, and talk about their efficiencies in comparison to cob-webs, all I found was that they can take super high amperage, from 1-30+Amps depending on wattage, some can be high voltage too, and they can tolerate much higher temperatures.
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