Abstract
This paper is a comparative evaluation of imaging performance
for two types of color liquid crystal displays (LCDs) with Quad RGBW
(red, green, blue, and white) and Stripe RGB (red, green, blue) pixel
units by means of simulation study. In accordance with the study results,
using the proposed color conversion algorithm could achieve color
consistence and higher luminance for rendering images with RGBW rather
than RGB pixel units. Simultaneously, instrumental color measurement
via a spectrometer was done which results also proved that almost
same color values of rendering images with RGBW pixel units as well
as those images with original RGB pixel units, and higher luminance
was achieved. Finally, the pseudocolor phenomenon of rendering images
with RGBW pixel units is analyzed and discussed on the basis of human
vision model.
© 2014 IEEE
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