Apparatus, method and system to enhance legibility of images shown on a passive display in a bright environment by increasing or maintaining a range of grey levels and decreasing a number of grey levels in that range

摘要

A display system and method for improving legibility of images viewed on a passive display in a bright environment, including apparatus and method for increasing or maintaining the range of grey levels for the image as viewed on the display and decreasing the number of grey levels used in that range.