SCALEOVIEW H22-1W/Q22W-1
Notes regarding the DIN EN ISO 13406-2 standard
Permanently unlit or lit pixels
The standard of production techniques today cannot guarantee an absolutely fault-free screen
display. A few isolated constant lit or unlit pixels (picture elements) may be present. The maximum
permitted number of pixels faults is stipulated in the stringent international standard ISO 13406-2
(Class II).
Example:
A 22" flat-screen monitor with a resolution of 1680 x 1050 has 1680 x 1050 = 1764000 pixels. Each
pixel consists of three subpixels (red, green and blue), so there are almost 5.3 million subpixels in
total. In accordance with ISO 13406-2 (Class II), a maximum of 7 pixels and 10 subpixels may be
faulty.
Pixel A pixel consists of 3 subpixels, normally red, green and blue. A pixel is the
smallest element that can be generated by complete functionality of the display.
Subpixel A subpixel is a separately addressable internal structure within a pixel that
enhances the pixel function.
Cluster A cluster contains two or more defective pixels or subpixels in a 5 x 5 pixel block.
A26361-K1213-Z120-1-7619, edition 1 27
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