European EN
9241-307
Class II Standard
For active matrix LCDs (TFT) with a resolution of
1920 x 1080 pixels
, each
of which consist of three sub-pixels (red, green, blue), there are a total of
approx.
6.2
million control transistors in use. Due to the very high number
of transistors and the associated extremely complex manufacturing
processes used, occasionally one or more pixels can fail or become incorrectly
controlled.
In the past, there were a number of approaches for defining the permitted
number of pixel defects. However, these approaches were mostly very
complicated and varied from one manufacturer to the next. When handling
warranty issues for all of its display products, MEDION therefore adheres to
the strict and transparent requirements of the standard
ISO 9241-307, Class
II;
which has been briefly summarised below.
The
EN 9241-307
standard defines, amongst other things, the generally
applicable guidelines relating to pixel defects. Pixel defects are categorised
into four fault classes and three defect types. Every individual pixel consists of
three sub-pixels, each of which is assigned a basic colour (red, green, blue).
Pixel structure
5 Pixel
Rows
Sub-Pixel
Pixel
blue
green
red
5 P
ix
e
l
AUS
1300 884 987
AUS
AFTER SALES SUPPORT
www.medion.com.au
75
European EN 9241-307 Class II Standard
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