weeny

7 ms·

1. 31.▲
   by weeny 15y ago

   You are right about the PWM dimming - but it's a better alternative to the lack of dimming of CFL bulbs. The 20k hour figure likely does figure in "lumen maintenance" - although Switch maybe stating a "consumer lifetime", the mean lifetime
2. 32.▲
   by weeny 15y ago

   The power supply is definitely the critical limiting factor in LED light bulbs. The thing is that to make it rugged for uneven power situations - as you say - you have to use large electrolytic capacitors, which then have a reduced lifetim
3. 33.▲
   by weeny 15y ago

   These exist - but the $20 price tag is only possible using subsidization from investment funding. There are at least $20 worth of LEDs in the Switch bulbs - meaning they will be making negative dollars on each sale at $20. But that's how
4. 34.▲
   by weeny 15y ago

   Heh. I saw switch at LightFair - and I asked the guy whether the envelope was made of glass, and what the liquid was made of. Both questions he skirted around. Me personally, I'd rather have broken glass and a microscopic amount of mercur