Philips 170S2B user manual Proximity of Pixel Defects

Philips Pixel Defect Policy

One lit red, green or blue	Two adjacent lit subpixels:	Three adjacent lit subpixels (one
	- Red + Blue = Purple
subpixel	- Red + Green = Yellow	white pixel)
	- Green + Blue = Cyan (Light Blue)

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 Two or three adjacent dark subpixels

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					ACCEPTABLE LEVEL
DEFECTS
MODEL		150P2		150B2	150S2	170B2	170S2	180P2
1 lit subpixel		0		0	8 or fewer	4 or fewer	8 or fewer	3 or fewer
2 adjacent lit	0		0		3 or fewer	2 or fewer	2 or fewer	2 or fewer
subpixels
3 adjacent lit
subpixels		0		0	1 or fewer	0	0	0
(one white
pixel)
Distance							15 mm or	15 mm or
between two	0		0		15 mm or more	15 mm or more
bright dot							more	more

defects*

file:///D/Grace/K1/english/170s2b/product/pixel.htm (2 of 3) [11/22/2001 1:44:19 PM]