LCD Displays?

Tim Schmidt timschmidt at
Thu May 21 21:17:02 CEST 2009

On Thu, May 21, 2009 at 12:37 PM, Al Johnson
<openmoko at> wrote:
> On Thursday 21 May 2009, zogg wrote:
>> Thats intresting. What could have stopped them from making it
>> non-monochrome in daylight?
> Probably cost and efficiency as these were major factors in OLPC. If PixelQi
> don't start producing screens that are colour in daylight then I guess there's
> a technical reason as well. Based on the explanation below I would have
> thought adding the coloured filters between the LCD and the reflective layer
> would drop backlight efficiency only a little since the prism has already
> split the light, but I'm no expert. The extra component requiring precision
> placement would add cost though.

That's a good idea actually, and might just work.  (!)


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