Pixel Defect Tolerances - Philips 190B4CB User Manual

Philips Pixel Defect Policy

Pixel Defect Tolerances

In order to qualify for repair or replacement due to pixel defects during the warranty period, a TFT LCD panel
in a Philips flat panel monitor must have pixel or sub pixel defects exceeding the tolerances listed in the
following tables.
BRIGHT DOT DEFECTS
MODEL
1 lit subpixel
2 adjacent lit subpixels
3 adjacent lit subpixels (one white pixel)
Distance between two bright dot defects*
Bright dot defects within 20 mm circle
Total bright dot defects of all types
BLACK DOT DEFECTS
MODEL
1 dark subpixel
2 adjacent dark subpixels
3 adjacent dark subpixels
Distance between two black dot defects*
Black dot defects within 20 mm circle*
Total black dot defects of all types
TOTAL DOT DEFECTS
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ACCEPTABLE LEVEL
190B4
4 or fewer
2 or fewer
0
15 mm or more
-
4 or fewer
ACCEPTABLE LEVEL
190B4
6 or fewer
2 or fewer
0
15 mm or more
-
6 or fewer
ACCEPTABLE LEVEL