All Nan Ya LCD modules use either the
high contrast supertwisted-nematic (STN) or the film-compensated FSTN display mode. These
display modes provide much better contrast and greatly improved viewing angle
characteristics over the older twisted-nematic (TN) display mode.
The viewing option encompasses (1) the
background color of the STN-LCD, (2) the predominant viewing direction and (3) positive or
negative contrast. Some factors to consider in specifying the viewing option include: