Explanatory Information About Standard Iso 9241-3 - Fujitsu A17-5 ECO Operating Manual

Explanatory information about standard ISO 9241-3

Explanatory information about
standard ISO 9241-3
Bright or dark pixels
It is not possible to guarantee an absolutely fault-free screen monitor with current
production technology. A few isolated permanently bright or dark pixels (picture
elements) may be present. The maximum permitted number of such faulty pixels is
specified in the international standard ISO 9241-3 (Class II).
Examples:
A 43/48 m (17"/19") flat-screen monitor with a resolution of 1280 x 1024 has 1280 x 1024 =
1310720 pixels. Each pixel consists of three subpixels (red, green and blue), so there are
almost 3.9 million subpixels in total. According to ISO 9241-3 (Class II), a maximum of 3
bright and 3 dark pixels plus an additional 6 bright or 13 dark subpixels or an equivalent mix
(1 bright subpixel counts as 2 dark subpixels) are allowed to be defective.
Pixel
Subpixel
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A pixel consists of 3 subpixels, normally red, green and blue. A pixel is
the smallest element that can be generated by the overall functionality of
the monitor.
A subpixel is a separately addressable internal structure within a pixel that
extends the functionality of the pixel.
A26361-K1338-Z220-1-7619, edition 1