"Clarence" wrote in message
. com...

| The Phosphor fatigues and dims. Lower stress levels will achieve a longer
live
| in some phosphors. However abt 5,000 hours is the most I've seen.
|
| The Asian drivers are basically a blocking oscillator, and the wave form
is
| pretty distorted. However even a modified sine-wave-form will work and it
| doesn't affect the life enough to detect in a few hundred units I tested.

What about the EL night lights? Do they last longer?

N