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Types of Pixel Defects + Dot Definition
Pixel and sub-pixel defects appear on the screen in different ways. There are three categories of pixel defects and
several types of sub-pixel defects within each category.
Bright Dot Defects = what is a defective “Dot”?
One or more defective, adjacent sub-pixel is defined as one “dot”. The no. of defective sub-pixels is not relevant to
define a defective dot. This means that a defective dot can consist of one, two or three defective sub-pixels which
can be dark or lit.
One dot = one pixel; consists of three sub-pixel of Red, Green, and Blue.
Bright Dot Defects
Bright dot defects appear as pixels or sub pixels that are always lit or ‘on’. There are the examples 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 dot)
Dark Dot Defects
Black dot defects appear as pixels or sub-pixels that are always dark or ‘off’. There are the examples of black dot
defects:
One dark dot Two adjacent dark dots =
1 pair of dark dots
Two dark dots, specifications
defines the minimum distance
between dark dots
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