Black Dot Defects Black dot defects appear as pixels or sub pixels that are always dark or
'off'. That is, a dark dot is a sub-pixel that stands out on the screen when the monitor
displays a light pattern. These are the types of black dot defects:
One dark sub pixel
Two or three adjacent dark sub pixels
Proximity of Pixel Defects
Because pixel and sub pixels defects of the same type that are near to one another may be
more noticeable, Philips also specifies tolerances for the proximity of pixel defects.
BRIGHT DOT DEFECTS
ACCEPTABLE LEVEL
MODEL
7FF1 series
1 lit subpixel
2
2 adjacent lit subpixels
1
3 adjacent lit subpixels (one white pixel)
0
Total bright dot defects of all types
2
BLACK DOT DEFECTS
ACCEPTABLE LEVEL
MODEL
7FF1 series
1 dark subpixel
3
2 adjacent dark subpixels
1
3 adjacent dark subpixels
0
Total black dot defects of all types
3
TOTAL DOT DEFECTS
ACCEPTABLE LEVEL
MODEL
7FF1 series
Total bright or black dot defects of all types
4
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