> > It would kill the backlight of the LCD.  Read the specs on max
> > ripple for the supply and you will see that they have a very low
> > tolerance.
> >
> > I did this once, (by mistake? / ignorance) and the backlight gave up
> > after a month!
> >
> >
> >     Kyrre
>
> That doesn't sound right, something else must have been going on.
> LED backlighting is simply that - LEDs, and they should be able to
> take all the punishment we dish out to normal LEDs from DC to MHz
> PWM. It is very important to have a current limiting resistor though
> because the LEDs aren't designed to run off 5V directly

        Actually there are quite a few panels out these days that use EL for the
backlight, this sort of technology IS very sensitive to power supply
"nastiness". TTYL

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