Here's an interesting article:
"Over the next few years, LED lighting prices are expected to dive - perhaps as much as 90% - allowing LEDs to emerge as the prime global lighting solution. "
Here's an interesting article:
"Over the next few years, LED lighting prices are expected to dive - perhaps as much as 90% - allowing LEDs to emerge as the prime global lighting solution. "
In terms of $/lumen, they seem to drop 90% every few years already, so it's quite reasonable to expect the trend to continue...
--Bushytails
Really?? It had been expensive at its first time