Proximity Of Pixel Defects; Pixel Defect Tolerances - Philips 150B3M/150B3Q User Manual

Philips Pixel Defect Policy
One lit red, green or blue
subpixel
Black Dot Defects Black dot defects appear as pixels or subpixels that are always dark or "off". These are
the types of black dot defects:
One dark subpixel

Proximity of Pixel Defects

Because pixel and subpixels defects of the same type that are nearby one another may be more noticeable,
Philips also specifies tolerances for the proximity of pixel defects.

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 subpixel 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*
file:///D|/Grace/03771/english/150b3mq/product/pixel.htm (2 of 3) [1/30/2002 2:35:29 PM]
Two adjacent lit subpixels:
- Red + Blue = Purple
- Red + Green = Yellow
- Green + Blue = Cyan (Light Blue)
150P3
0
0
0
0
Three adjacent lit subpixels (one
white pixel)
Two or three adjacent dark subpixels
ACCEPTABLE LEVEL
150B3
0
0
0
0
150S3
8 or fewer
3 or fewer
1 or fewer
15 mm or more