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Old 17th Feb 2012, 15:03   #1
brumgrunt
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Shin-Etsu promises longer-life, brighter LEDs

Shin-Etsu Chemical has released a new LED encapsulating material which it claims will lead to brighter and longer-life lighting.

http://www.bit-tech.net/news/bits/20...er-life-leds/1
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Old 17th Feb 2012, 15:34   #2
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Very good - the phosphor is the main source of loss in LEDs.
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Old 17th Feb 2012, 16:03   #3
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OOOOOOOo, more pretty lighting for me and Blarte to play with. He's going to be so happy when he reads this..
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Old 17th Feb 2012, 17:30   #4
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They are quite an unknown player in the LED market, Cree,general electric and phillips have spent billions investing in r&d developing their products.

Having a new encapsulating material and proclaiming it "brighter" without any facts is quite a stretch considering cree this year are breaking the 160lumens/watt barrier.
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Old 18th Feb 2012, 09:48   #5
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It would be better to show a prototype at least before making the claims but if it works out then it will be great.

LED's are already way brighter than I remember in the 70's when I started with electronics. The colours were very dull back then.
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Old 18th Feb 2012, 11:07   #6
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I like how they made the diagram in Word 97
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Old 18th Feb 2012, 11:52   #7
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Quote:
Originally Posted by ch424
I like how they made the diagram in Word 97
Seems legit.
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Old 18th Feb 2012, 17:45   #8
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cool, hope this improves head torches too
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Old 19th Feb 2012, 06:54   #9
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I like how they made the diagram in Word 97
Ha! Just needs a funky 3D title in WordArt and it could be any school kid's science report. I particularly love the aliasing on the arrows. Nice.
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Old 19th Feb 2012, 08:57   #10
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It would be better to show a prototype at least before making the claims but if it works out then it will be great.

LED's are already way brighter than I remember in the 70's when I started with electronics. The colours were very dull back then.
They still aren't efficient enough though.
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Old 19th Feb 2012, 09:18   #11
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Quote:
Originally Posted by feathers View Post
It would be better to show a prototype at least before making the claims but if it works out then it will be great.

LED's are already way brighter than I remember in the 70's when I started with electronics. The colours were very dull back then.
They still aren't efficient enough though.
compared to what? They are massively more efficient than any competing lighting technology.
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Old 19th Feb 2012, 09:41   #12
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Not always and it depends how define the efficiency. The chips themselves are efficient but when you start putting them in GU10 lamp form factor with nasty onboard circuitry then the efficient and lifetime drops massively.
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