Proximity Of Pixel Defects; Pixel Defect Tolerances - Philips 180P2B 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
150P2
MODEL
1 lit subpixel
2 adjacent lit
subpixels
file:///D|/K1/english/180p2b/product/pixel.htm (2 of 4) [3/26/2003 10:58:46 AM]
Two adjacent lit subpixels:
- Red + Blue = Purple
- Red + Green = Yellow
- Green + Blue = Cyan (Light Blue)
150B2
0 0
0 0
Two or three adjacent dark subpixels
ACCEPTABLE LEVEL
150S2 170B2
8 or fewer 4 or fewer
3 or fewer 2 or fewer
Three adjacent lit subpixels (one
white pixel)
170S2
8 or fewer
2 or fewer
180P2
3 or fewer
2 or fewer