GML Accusations..

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rkymtnman

rkymtnman

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Gregshed said:
Too late your original comment did just that, too bad you don't know the limitations of your luminescent coatings and what appears to be anything about band gaps but someone said there's an ignore button so maybe press it and you won't get in the situation of describing a hps light in the same realms of a blurple led instead of its full criteria.

All I need now is bk to correct my grammar and were really seeing how this community grows lol!
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maybe you missed this on page 12?
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0potato0

0potato0

Well-Known Member
Gregshed said:
Too late your original comment did just that, too bad you don't know the limitations of your luminescent coatings and what appears to be anything about band gaps but someone said there's an ignore button so maybe press it and you won't get in the situation of describing a hps light in the same realms of a blurple led instead of its full criteria.

All I need now is bk to correct my grammar and were really seeing how this community grows lol!
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If you think you are getting schooled now wait until @Kassiopeija wakes up
 
PJ Diaz

PJ Diaz

Well-Known Member
Wattzzup said:
You think it bothers me that bk trolled me when I started? He’s also helped more than anyone here with my grows since. So my asshole is normal size. Is there any other personal information you would like. Try to keep it to just one more post. You’re ruining the thread and you’re completely off topic.
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Normal size? How do you know? I'm intrigued. I've never compared mine, but clearly I should, just to be on the safe size if nothing else.
 
Kassiopeija

Kassiopeija

Well-Known Member
Rocket Soul said:
The sun has the best emerson effect cause its a gas is non factual and sorry it shows you havent read up what it actually is or when it applies. To be clear: emerson effect is negligble at sun light intensity levels, it is only a thing in low light levels. Again your drinking from the hype coolaid with out going after facts.
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thus, it is important in an artificial light-setup because:
Leaf-Transmittance-1024x446.png
Problem with many studies on photosynthesis rates is they only pluck a single leaf in between the glass and think that's all there is.
And yes, at high PPFD the LHC2 antenna wanders to support PS1 but both - spectrum & radiant flux, changes within a plant.
 
rkymtnman

rkymtnman

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Gregshed said:
Those charts don't show band gaps just a continuous spectral emission which is not a full picture. Like make peaks join the dots and you get a similar problem describing a technical aspect of light.

It's why leds use luminescent coatings but I have already explained.
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maybe you didn't see the real meaning of that graphic:

it goes from sunlight on the left (best) to hps on the right(worst) spectrum.
 
Gregshed

Gregshed

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It's one point GML made, even when others said he was wrong on results he simply argued them down and showed his useless data.

RIU seems like that, I have the best plant, this led chart is fuller than this hps chart.
 
Gregshed

Gregshed

Well-Known Member
rkymtnman said:
maybe you didn't see the real meaning of that graphic:

it goes from sunlight on the left (best) to hps on the right(worst) spectrum.
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Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!

Don't bother I understand a lot of this goes over your heads, those charts were the same before improvements were made which shows there was a serious problem in how they portray light.
 
rkymtnman

rkymtnman

Well-Known Member
Gregshed said:
Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!

Don't bother I understand a lot of this goes over your heads, those charts were the same before improvements were made which shows there was a serious problem in how they portray light.
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not to brag, but i've grown cannabis under all 5 of those lighting types. plus metal halide. you?
 
grotbags

grotbags

Well-Known Member
Gregshed said:
Shit and there's me thinking you would type up the limitations of luminescent coatings, band gap diagrams on spectral emissions and give some real truths.
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Gregshed said:
Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!

Don't bother I understand a lot of this goes over your heads, those charts were the same before improvements were made which shows there was a serious problem in how they portray light.
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greg i dont think you understand what a band gap is.

band gaps in leds are not refering to actual gaps in the light spectrum, they refer to the range in which different underlying led semi conductor material will allow an electron to pass from the conductive band to the valiance band giving of a photon in the process.

different semi conductors have different band gap ranges which in turn give off photons of different wavelenghts.
if you look at the standard white diode its based on a indium gallium nitride semi conductor, for InGaN the band gap generates photons roughly around 450nm (the big blue peak on led spectrum graphs) a phosphor coating then converts some of these blue photons into the other colour wavelengths you see on the spectrum graphs.

there are no gaps...
 
tstick

tstick

Well-Known Member
0potato0 said:
So it's precise information about the product I am buying OR someone being nice to me? why can't it be both?
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I don't know why it wasn't always both. After awhile, I think people started to understand what was a good light or not based on the key components. It wasn't so much that one company had real, distinct, proprietary differences from one to the next....Cree, Samsung, Meanwell...etc. The way that companies started to distinguish themselves was through better customer service.
 
tstick

tstick

Well-Known Member
shnkrmn said:
Eraserhead was his name here. I was an original a51 customer. Still rock my xgs190s. Pretty good sidelights :)
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Oh yeah. I remember that name now. Yeah, I bought one of his lights, too! It STILL works great! Great light....TERRIBLE customer service!
 
NanoGadget

NanoGadget

Well-Known Member
grotbags said:
greg i dont think you understand what a band gap is.

band gaps in leds are not refering to actual gaps in the light spectrum, they refer to the range in which different underlying led semi conductor material will allow an electron to pass from the conductive band to the valiance band giving of a photon in the process.

different semi conductors have different band gap ranges which in turn give off photons of different wavelenghts.
if you look at the standard white diode its based on a indium gallium nitride semi conductor, for InGaN the band gap generates photons roughly around 450nm (the big blue peak on led spectrum graphs) a phosphor coating then converts some of these blue photons into the other colour wavelengths you see on the spectrum graphs.

there are no gaps...
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ding ding ding! we have a winner! I've seen people misunderstanding the concept of band gaps in this way so many times, but I'm not well versed enough in the specifics to communicate it the way you have. Thanks for putting this information out there for myself and others.
 
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