In an aggregate total cost, LED is overwhelmingly advantageous.

In Japan, LED electric bulbs sell well.
Compared with a filament lamp, the life of LED is 30 or more times.
Moreover, power consumption is 1/20.
Although an electric bulb unit price is high, in an aggregate total cost, LED is overwhelmingly advantageous.

July 10, 2012 2:31 PM by Aniki(Japan)