In article .com,
Savageduck says...

A quick Google search reveals several sites offering explainations, most
along these lines:

http://visualchillout.co.uk/rgbw-strips-vs-rgb/

I don't think the 15.6" LCD screen of a notebook PC has LEDs for each
individual pixel.
The R, G, B and W things should be (LCD) colour filters in front of
individual pixels.
--
Alfred Molon

Olympus E-series DSLRs and micro 4/3 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site