Dark Dot Defect Description - Dell 2707WFP Service Manual

27" LCD Color Monitor
When bright area in a sub-pixel(red or blue) exceed half size of a sub-pixel, that sub-pixel can be counted as a
bright dot.
When bright area in a sub-pixel(green) exceed a third size of a sub-pixel, that sub-pixel can be counted as a
bright dot.
Oval and undefined shape of Partial dot is defined as height of dot.
When bright area in a sub-pixel (R, B) is under 20% of a sub-pixel, that sub-pixel can be ignored.
When bright area in a sub-pixel (G) is under 10% of a sub-pixel, that sub-pixel can be ignored.
Fig. 2. Dark dot defect description
【two adjacent】
(Oval)
Partial Dot :
R, B : 20 ~ 50 % of a Dot
G : 10 ~ 25% of a Dot
(Good)
height
(Undefined)
(N. G)
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Dell 2707WFP