Philips 231E1HSB/00 Service Manual page 11

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
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
BRIGHT DOT DEFECTS
MODEL
1 dark subpixel
2 adjacent dark subpixels
3 adjacent dark subpixels (one white
pixel)
Distance between two dark dot defects*
Black dot defects within 20 mm circle
Total black dot defects of all types
TOTAL DOT DEFECTS
MODEL
Total bright or black dot defects of all
types
Note:
* 1 or 2 adjacent sub pixel defects = 1 dot defect
Definition of pixel defects
ACCEPTABLE LEVEL
231E
3
1
0
15mm
0
3
ACCEPTABLE LEVEL
231E
5
2
0
15mm
1
5
ACCEPTABLE LEVEL
230E
5
11
231E LCD