User Manual BDL5545E
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6.3. BRIGHT DOT DEFECTS
Bright dot defects appear as pixels or sub-pixels that are always lit or "on". These are the examples of bright dot
defects:
One lit red, green or blue sub-pixel
Two adjacent lit sub-pixels:
- Red + Blue = Purple
- Red + Green = Yellow
- Green + Blue = Cyan (Light Blue)
Three adjacent lit sub-pixels (one
white dot)
6.4. 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
6.5. 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:
x
Allowed amount of adjacent dark dots = (adjacent dark dots =1 pair of dark dots)
x
Minimum distance between dark dots
x
Total no. of all defective dots
6.6. 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
BDL5545E
1 lit sub pixel
0
BLACK DOT EFFECT
ACCEPTABLE LEVEL
1 dark sub pixel
9
TOTAL DOT DEFECTS OF ALL TYPES
9
Note: * 1 or 2 adjacent sub pixel defects = 1 dot defect
