52
15.2. Smart TV pixel faults
Despite the most modern production methods, in rare cases there may
be individual or multiple pixel drop-outs (dead pixels) due to the high-
ly complex technology.
For active matrix TFTs with a resolution of
1,920 x 1,080
pixels
, which
are each made up of three sub-pixels (red, green, blue), there are a to-
tal of
approx. 6.2
million control elements in use. Occasionally pixels
or individual sub-pixels can fail or become incorrectly controlled be-
cause of this very high number of transistors and the associated ex-
tremely complex manufacturing processes used.
Pixel fault class
Defect type 1
Continuously
lit pixel
Defect type 2
Continuously
black pixel
Defect type 3
Defective sub-pixel
lit
black
0
0
0
0
0
I
1
1
2
1
0
1
3
5
II
2
2
5
5-n*
0
0
2xn*
10
III
5
15
50
50-n*
0
0
2xn*
100
IV
50
150
500
500-n*
0
0
2xn*
1000
n*=1.5
The permitted number of defects for every type named above in each class of pixel defect refers to one million pixels
and must be converted accordingly to match the physical resolution of the display.
Your device complies with the European ISO 9241-307 Class II standard (pixel fault class).
5 Pixel
Zeilen
Sub-Pixel
Pixel
blau
grün
rot
5 P
ix
e
l
