A pixel consists of one red, one green, and one blue subpixel. A defective whole pixel is always
turned on (a bright spot on a dark background), or it is always off (a dark spot on a bright
background). The first is the more visible of the two. A defective subpixel (dot defect) is less visible
than a defective whole pixel, and is small and only visible on a specific background.
To locate defective pixels, the monitor should be viewed under normal operating conditions and in
normal operating mode at a supported resolution and refresh rate, from a distance of approximately
50 cm (16 inches). We expect that, over time, the industry will continue to improve its ability to
produce displays with fewer cosmetic imperfections, and we will adjust guidelines as improvements
are made.
For more information about your LCD Monitor and pixel policy, refer to the HP Web site at:
http://www.hp.com/support. To find pixel policy information on the HP Web site, type in "HP Pixel
Policy" in the search box and press Enter.
LCD Monitor Quality and Pixel Policy 37
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