Philips 190B5CG User manual - Page 60

Proximity of Pixel Defects, Pixel Defect Tolerances, BRIGHT DOT, DEFECTS, ACCEPTABLE LEVEL

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Philips Pixel Defect Policy One lit red, green or blue sub pixel Two adjacent lit sub pixels: - Red + Blue = Purple - Red + Green = Yellow Three adjacent lit sub pixels - Green + Blue = Cyan (Light Blue) (one white pixel) Black Dot Defects Black dot defects appear as pixels or sub pixels that are always dark or 'off'. These are the types of black dot defects: One dark sub pixel Two or three adjacent dark sub pixels 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. 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 sub pixel 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) 190P5 2 or fewer 1 or fewer 0 ACCEPTABLE LEVEL 190B5 3 or fewer 1 or fewer 0 190S5 3 or fewer 1 or fewer 0 file:///D|/My%20Documents/dfu/W9/english/190b5/product/pixel.htm (2 of 3)2004-09-21 9:05:35 AM

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Philips Pixel Defect Policy
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 pixel)
Black Dot Defects
Black dot defects appear as pixels or sub pixels that are always dark or 'off'.
These are the types of black dot defects:
One dark sub pixel
Two or three adjacent dark sub pixels
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.
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 sub pixel defects exceeding the
tolerances listed in the following tables.
BRIGHT DOT
DEFECTS
ACCEPTABLE LEVEL
MODEL
190P5
190B5
190S5
1 lit subpixel
2 or fewer
3 or fewer
3 or fewer
2 adjacent lit
subpixels
1 or fewer
1 or fewer
1 or fewer
3 adjacent lit
subpixels (one
white pixel)
0
0
0
file:///D|/My%20Documents/dfu/W9/english/190b5/product/pixel.htm (2 of 3)2004-09-21 9:05:35 AM