送交者: peanut 于 2005-1-11, 09:55:15:
回答: I think LED's have longer life than bulbs 由 Enlighten 于 2005-1-11, 08:12:39:
The only advantage of LED compared to lightbulb or fluorescent lamp is its energy efficiency, near 100%.
However, lightbulbs are already dirt cheap. LED could never compete with lightbulb in large-area indoor lightning.