Filter
Top Products
User Manual BDL4251V
44
Dark Dot Defects
Black dot defects appear as pixels or sub-pixels that are always dark or "off". These are the examples of black dot defects:
One dark dot
Two adjacent dark dots=
1 pair of dark dots
Two dark dots, specifications
defines the minimum distance
between dark dots
Proximity of Pixel Defects
Because pixel and sub-pixels defects of the same type that are nearby one another may be more noticeable, Philips also specifies
tolerances for the proximity of pixel defects. In the table below you can find specifications about:
Allowed amount of adjacent dark dots = (adjacent dark dots =1 pair of dark dots)
Minimum distance between dark dots
Total no. of all defective dots
Pixel Defect Tolerances
In order to qualify for repair due to pixel defects during the warranty period, a PDP / TFT panel in a Philips Plasma / LCD-
display must have pixel or sub-pixel defects exceeding the tolerances listed in the following table.
BRIGHT DOT EFFECT ACCEPTABLE LEVEL
MODEL BDL4251V
1 lit sub pixel 1
BLACK DOT EFFECT ACCEPTABLE LEVEL
1 dark sub pixel 8
TOTAL DOT DEFECTS OF
ALL TYPES
9
Note:
* 1 or 2 adjacent sub pixel defects = 1 dot defect