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[technologyreview] LEDs that Burn 10 Times Brighter - Page 3

post #21 of 30
Quote:
Originally Posted by DuckieHo View Post

It is a statement of fact. It is what it is. There was no injection of personal opinion or commentary.
The sales of a light bulb type was banned.
incandescent light bulb
fluorescent light bulb
LED light bulb

Oh, I see. In Sweden we just call the older types 'lightbulb', or more precisely 'glödlampa', which is the Swedish word for it. The other ones are just called 'lamps', or 'lampor'.
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post #22 of 30
Quote:
Originally Posted by xeeki View Post

Oh, I see. In Sweden we just call the older types 'lightbulb', or more precisely 'glödlampa', which is the Swedish word for it. The other ones are just called 'lamps', or 'lampor'.

Very interesting! It was a language difference that caused the confusion.
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post #23 of 30
Quote:
Originally Posted by DuckieHo View Post

Very interesting! It was a language difference that caused the confusion.

Yes! In fact, the name just doesn't fit as well with the other types. GLÖDLAMPA essentially means BURNING LAMP or GLOWING LAMP. So it's understandable. But I'll call them all lightbulbs in English in the future, always good to learn new stuff.
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post #24 of 30
Quote:
Originally Posted by DuckieHo View Post

LED's will not replacement light bulbs for ambient lighting until they solve the directional lighting limitation.

Wrong smile.gif

There are proper LED bulbs on the market already - I've replaced all bulbs at home with these (and halogen variety too):

653



Light is as good (if not better) then inadescent, much better than CFL's, while being even more energy efficient and not having any CFL's drawbacks...

Got them for £9.99 (rather than £14.99 RRP) which is still expensive, but they'll save me some money in the long run (few years)...
    
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post #25 of 30
So can I get some of these blue LEDs for my rigs case?
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post #26 of 30
Let's not even start about planned obsolescence.
     
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post #27 of 30
I work for a company that retrofits for industrial/commercial applications. For office buildings light spread is not an issue. They want the light directed down to the desk and nothing more. I have two 4ft LED tube strips sitting 8ft above me right now as I type and the quality of light is amazing compared to fluoros. 4 HO Fluoros barely touch the light from 2 much lower power LED tube strips.

We use "pancakes" (6inch diameter wafers with an array of HO LEDs on them) to replace industrial HPS/MH lighting up to 1500w. The spread from the pancakes, while narrower, provides much more "usable" light. You have to understand that lumens in general isn't a good measurement, LEDs have a VERY narrow spectrum and therefore can be made in band that is near 100% visible (usable) light.

Home lighting is a totally different thing because it is used not to see things but to set a mood more so.
 
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post #28 of 30
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post #29 of 30
for room lighting I like the warm ambiance of a traditional tungsten based light bulb except maybe the bathroom
it's just way too bright and any imperfections (dirt, dust, fingerprints, stains, etc.) will show very obviously on everything and anything (better brush up on those house keeping skills)
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post #30 of 30
I prefer the pure white color of LEDs when I'm doing photography or shooting videos. With fluorescent and incandescent, you get the funky white balance issues that you either have to switch it to that setting or do it manually. Since you can't use a flash, which produce the closest thing to a pure white light source, when shooting videos, I use an LED lamp to light people's faces up. White balance looks pretty good compared to the others. Heck, those LED panels are nice cause you light someone up pretty well in a tight space like a car without using a substantial amount of power. Those panels are only 1/2 an inch thick or something like that.

I have a 25w LED bulb above my desk right now. The color of it is much more natural than a CFL or incandescent. A tad bit dim, but it's only 25w.
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