Philips 231E1SB/00, Service Ma, Page: 11 / 73

231E LCD
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Definition of pixel defects
3. 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.
Perfect Panel - ISO 13406-2 Class II compliant do-defect-
free-display.
BRIGHT DOT DEFECTS ACCEPTABLE LEVEL
MODEL 231E
1 lit subpixel 3
2 adjacent lit subpixels 1
3 adjacent lit subpixels (one white pixel) 0
Distance between two bright dot defects* 15mm
Bright dot defects within 20 mm circle 0
Total bright dot defects of all types 3
BRIGHT DOT DEFECTS ACCEPTABLE LEVEL
MODEL 231E
1 dark subpixel 5
2 adjacent dark subpixels 2
3 adjacent dark subpixels (one white
pixel)
0
Distance between two dark dot defects* 15mm
Black dot defects within 20 mm circle 1
Total black dot defects of all types 5
TOTAL DOT DEFECTS ACCEPTABLE LEVEL
MODEL 230E
Total bright or black dot defects of all
types
5
Note:
* 1 or 2 adjacent sub pixel defects = 1 dot defect