Philips 273E3L Black Dot Defects, Proximity of Pixel Defects, Types of black dot defects

7. Customer care and warranty

Note

A red or blue bright dot must be more than 50
percent brighter than neighboring dots while
a green bright dot is 30 percent brighter than
neighboring dots.
Black Dot Defects
Black dot defects appear as pixels or sub pixels
that are always dark or 'off'.That is, a dark dot is
a sub-pixel that stands out on the screen when	Proximity of Pixel Defects
the monitor displays a light pattern.These are the
	Because pixel and sub pixels defects of the same
types of black dot defects:
	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
1 lit subpixel		3
2 adjacent lit subpixels		1
3 adjacent lit subpixels (one white pixel)		0
Distance between two bright dot defects*			>15mm
Total bright dot defects of all types		3
BLACK DOT DEFECTS		ACCEPTABLE LEVEL
1 dark subpixel			5 or fewer
2 adjacent dark subpixels			2 or fewer
3 adjacent dark subpixels		0
Distance between two black dot defects*			>15mm
Total black dot defects of all types			5 or fewer
TOTAL DOT DEFECTS		ACCEPTABLE LEVEL
Total bright or black dot defects of all types			5 or fewer

Note

1.1 or 2 adjacent sub pixel defects = 1 dot defect

2.This monitor is ISO 9241-307 compliant.( ISO9241-307 : Ergonomic requirement, analysis and compliance test methods for electronic visual displays)

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