This was a story suggested to me by Google because of my research into LEDs. The story claims that these Quantum Dot LEDs have achieved "record breaking efficiency" of 105 L/w. Am I missing something? Don't the LM301b's go over 200 L/w?
https://phys.org/news/2018-07-quantum-d ... ciency.amp
Record Breaking Efficiency?
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unkle_psycho
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That is weired. There is a contact number at the end of the article for further questions...
"Nothing is true, everything is permitted"
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Jolly Green Giant
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after skimming thru it... the quantum dot is different.. it's not a blue based diode with a yellow phosphor coating. like our lm561c and lm301b... the actual diode produces r.b.g. with out the coating.Heathen wrote: ↑Fri Jul 13, 2018 8:08 amThis was a story suggested to me by Google because of my research into LEDs. The story claims that these Quantum Dot LEDs have achieved "record breaking efficiency" of 105 L/w. Am I missing something? Don't the LM301b's go over 200 L/w?
https://phys.org/news/2018-07-quantum-d ... ciency.amp
that's a good step forward
Jolly Green Giant wrote: ↑Fri Jul 13, 2018 1:30 pmafter skimming thru it... the quantum dot is different.. it's not a blue based diode with a yellow phosphor coating. like our lm561c and lm301b... the actual diode produces r.b.g. with out the coating.Heathen wrote: ↑Fri Jul 13, 2018 8:08 amThis was a story suggested to me by Google because of my research into LEDs. The story claims that these Quantum Dot LEDs have achieved "record breaking efficiency" of 105 L/w. Am I missing something? Don't the LM301b's go over 200 L/w?
https://phys.org/news/2018-07-quantum-d ... ciency.amp
that's a good step forward
I saw that and that was my first thought but this is all still so new to me that I can't pretend to understand the distinction. I guess these wouldn't really be a breakthrough that affects what we are doing so much as it can possibly apply to display lighting like TV's and cell phones.
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Professor Xavier
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My LED TV from Samsung uses Quantum Dots.
When looking at some of the prices for these lights, I seriously contemplated putting a PAR meter under those dots to see if an HDR sunrise on loops wouldn't save me money.
When looking at some of the prices for these lights, I seriously contemplated putting a PAR meter under those dots to see if an HDR sunrise on loops wouldn't save me money.
Last edited by Professor Xavier on Sat Jul 14, 2018 1:58 pm, edited 1 time in total.
I suggested this to Lumi on riddlem3.com some years ago, using a flat panel led as a grow light and using a program to turn the LCD into a tunable filter. I wasn't suggesting it was a great alternative to the cmh that they all were using but I thought it would be an interesting academic exercise. They thought it was quite comical.Professor Xavier wrote: ↑Fri Jul 13, 2018 9:46 pmMy LED TV from uses Quantum Dots.
When looking at some of the prices for these lights, I seriously contemplated putting a PAR meter under those dots to see if an HDR sunrise on loops wouldn't save me money.