On 31 Oct 2011 at 10:51, Benjamin S?lberg wrote:
Joke-a-side.. If multiplexing really did save power
then just pulsing
a single led would do the same.. It might be true... think bicycle
lights ?
Actually, that appears to be true. The perceived brightness seems to
lie somewhere between the peak brightness and the average.
See, for example, this app note from ON Semi:
http://www.onsemi.com/pub_link/Collateral/AND8067-D.PDF
--Chuck