Help needed for LEDs

I'm trying to find the lastest manufactured surface mount chip device
having brightest output possile (preferably white colour) for lowest
voltage/current. Have already searched through various makers like
KingBrite but are wondering if anyone has found anything with highest
performance possible by other makers. Thanks.. morris

 

[R.Lewis]

<peteb@clear.net.nz> wrote in message
news:1108593004.759136.224470@f14g2000cwb.googlegroups.com...

I'm trying to find the lastest manufactured surface mount chip device
having brightest output possile (preferably white colour) for lowest
voltage/current. Have already searched through various makers like
KingBrite but are wondering if anyone has found anything with highest
performance possible by other makers. Thanks.. morris

What is the ball-park output are you looking for?
10 milli lumen?
1 lumen?
100 lumen?

Are you looking for minimum volts, amps, or watts?

How long have they got to last?