What about protection film?
Tim Schmidt wrote: > > On Thu, May 21, 2009 at 9:12 AM, zogg <zoggif...@gmail.com> wrote: >> Looks like LCD for indoors are common, and for outdoors theres scarcity. >> So, do you know any manufacturers, or at least in what direction should >> i try and look at? > > The OLPC has an LCD which is very easy to read in daylight. When > backlit, it appears as a color LCD, but when frontlit (as from the > sun), it appears greyscale. This is a function of the OLPC's very > efficient backlight system (instead of using colored filters to block > out 66% of the light from the white backlight for each pixel, they use > a fresnel prism to split the backlight into it's component wavelengths > on pixel boundaries. Thereby allowing nearly 100% of the light > produced by the backlight through to your eyes, as opposed to less > than 33% for typical LCDs. Light from the front of the LCD passes > through the pixels, and is reflected by a silvered layer, back through > the pixels to your eyes, never passing through the prism, so what > would normally be colored sub-pixels appear as greyscale pixels. > > --tim > > _______________________________________________ > Openmoko community mailing list > community@lists.openmoko.org > http://lists.openmoko.org/mailman/listinfo/community > > -- View this message in context: http://n2.nabble.com/LCD-Displays--tp2950632p2950710.html Sent from the Openmoko Community mailing list archive at Nabble.com. _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community