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13. APPENDIX
13.1
PHILIPS' FLAT PANEL MONITORS PIXEL
DEFECT POLICY
Philips strives to deliver the highest quality products. We use some of
the industry's most advanced manufacturing processes and practice
stringent quality control. However, pixel or sub pixel defects on the TFT
LCD panels used in flat panel monitors are sometimes unavoidable.
No manufacturer can guarantee that all panels will be free from pixel
defects, but Philips guarantees that any monitor with an unacceptable
number of defects will be repaired or replaced under warranty. This
notice explains the different types of pixel defects and defines acceptable
defect levels for each type. In order to qualify for repair or replacement
under warranty, the number of pixel defects on a TFT LCD panel must
exceed these acceptable levels. For example, no more than 0.0004% of
the sub pixels on a 15" XGA monitor may be defective. Furthermore,
Philips sets even higher quality standards for certain types or
combinations of pixel defects that are more noticeable than others.
This policy is valid worldwide.
13.1.1 PIXELS AND SUB PIXELS
A pixel, or picture element, is composed of three sub pixels in the
primary colors of red, green and blue. Many pixels together form an
image. When all sub pixels of a pixel are lit, the three colored sub pixels
together appear as a single white pixel. When all are dark, the three
colored sub pixels together appear as a single black pixel. Other
combinations of lit and dark sub pixels appear as single pixels of other
colors.
13.1.2 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.
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User Manual 190S6FGT
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