LED advances?

[sweetlight]

Where would you say technology is heading? Will lights get much brighter with much longer runtimes in the near future or will it be more like 5% gains a year?

 

[TranceAddict]

http://en.wikipedia.org/wiki/Luminous_efficacy

 

[yellow]

constant small improvements / year,
real "step" all few years

(check "whatever was before" --> Luxeon --> Cree XR-E --> Cree XP-G --> ...)