Well, my LCD supplier has decided they can put a white LED backlight onto the panel size I use. Now I'm trying to get a reasonable thermal budget, and something I am trying to find out is the typical conversion efficiency ( electrical energy -> light ) of the backlight.
Details: 3 x string of 8, Vf 27V typical at 25mA
I currently don't have a panel here (it seems to be taking a slow boat from Taiwan) and I'd like to get a head start so I can do some rough placement planning and I wondered if anyone here had any knowledge of said conversion efficiency.
Obviously, energy not converted to light gets converted to heat and I'd like to get a handle on what I need to deal with. This is a handheld XDA device, so thermal management is sorta important ;)
Cheers
PeteS