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66
Pixel Errors with LCD TVs
17
Individual pixels or groups of them can fail in
rare cases, in spite of the most up-to-date
manufacture, because of the highly complex
technology.
Active matrix LCDs (TFT) with a resolution of
1280 x 800 pixel, which are in turn composed
of three sub-pixels each (red, green, blue),
contain about 3.1 million addressable
transistors. Because of this very high number
of transistors and their extremely complex
production process occasionally defective or
incorrectly addressed pixels or sub-pixels may
occur.
Description
Accepted Number
1 sub-pixel
Max. 2
Bright sub-pixels
Two lying next to each other
(horizontally/vertically)
0
Distance
Minimum distance between light and
dark sub-pixels
Min. 10 mm
Individual Max.
4
Dark sub-pixels
Two lying next to each other
Max. 2
Distance
Minium distance between light and dark
sub-pixels
Min. 10 mm
Total number of bright and dark sub-pixels
Max. 5
The Table describes the maximum number of pixel faults that are permitted to
arise on the screen, without involving a guaran-tee case. Under certain
circumstances, a guarantee case will be present if the number of faults given
above is exceeded in one category.