Philips 150B4CS User manual - Page 58

Types of Pixel Defects, Proximity of Pixel Defects, Green + Blue = Cyan Light Blue

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Philips Pixel Defect Policy Types of Pixel Defects Pixel and sub pixel defects appear on the screen in different ways. There are two categories of pixel defects and several types of sub pixel defects within each category. Bright Dot Defects Bright dot defects appear as pixels or sub pixels that are always lit or 'on'. These are the types of bright dot defects: 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. file:///D|/B/english/150b4cgbs/product/pixel.htm (2 of 4) [8/27/03 11:37:54 AM]

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Philips Pixel Defect Policy
Types of Pixel Defects
Pixel and sub pixel defects appear on the screen in different ways. There are two categories of pixel defects
and several types of sub pixel defects within each category.
Bright Dot Defects
Bright dot defects appear as pixels or sub pixels that are always lit or 'on'. These are the
types 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 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.
file:///D|/B/english/150b4cgbs/product/pixel.htm (2 of 4) [8/27/03 11:37:54 AM]