US Patent 7697200 Screen having image viewable only in ambient light

A reflective display screen comprises a first component surface responsive to absorb low level ambient light from above the screen and a second surrounding component surface responsive to light of high intensity from an image source. The first component surface is graphically formed to represent a fixed permanent image within the screen viewable only in ambient overhead lighting and without incidence of the high intensity light from the image source. Other embodiments include a method of displaying a permanent, fixed image and a method of making a display screen.