Pixel Faults In Tft Monitors - Medion BUSINESS P52470 Bedienungsanleitung

11.1. Pixel faults in TFT monitors

5 Pixel
Sub-Pixel
Defect type 1
Pixel defect
Continuously
class
0
I
II
III
IV
n*=1.5
The permitted number of defects for every type named above in each class of pixel
defect refers to one million pixels and must be converted accordingly to match the
physical resolution of the display.
Your device complies with the European ISO 9241-307 Class II standard (pixel defect
class). Pixel defects up to the specified maximum number are not covered by the
warranty.
Despite the state-of-the-art production meth-
ods, in rare cases there may be individual or
multiple pixel drop-outs (dead pixels) due to
the highly complex technology.
Rows
For active matrix TFTs with a resolution of
1920 x 1080 pixels, which are each made up
of three sub-pixels (red, green, blue), there are
Pixel
a total of approx. 6.2 million control elements
blue
in use. Occasionally pixels or individual sub-pix-
green
els can fail or become incorrectly controlled be-
red
cause of this very high number of transistors
and the extremely complex manufacturing pro-
cess used in this context.
Defect type 2
Continuously
lit pixel black pixel
0
1
2
5
50
Defective sub-pixel
lit
0 0
2
1 1
0
5
2
5-n*
50
15 50-n*
0
500
150 500-n*
0
Defect type 3
black
0
1
3
5
0
2 x n*
10
0
2 x n*
100
0
2 x n*
1000
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