Operating Instructions ET-xx6-A
General information
Page 44 of 60
R. STAHL HMI Systems GmbH / OI_ET_xx6_A_en_V_03_00_36.docx / 03.05.2021
17.4 Defective pixels
As a result of the manufacturing process (production tolerances and errors) for the displays they
may be delivered with defective pixels. Provided they are within the range of the specification
below these potential defective pixels are not a display or HMI error or defect.
17.4.1
Terminology
Defective pixels
Pixels or sub-pixels that do not perform as expected and are either always
on or always off
Pixel
Image point on the display consisting of 3 sub-pixels in the basic colours
red, green and blue
R G B
Dot
Sub-pixel in the basic colour red, green or blue
or
or
Bright
Sub-pixel (dot) to which light is passing through, creating a bright dot that
is on
Dark
Sub-pixel (dot) to which no light is passing through, creating a dark dot
that is off
adjacent dots
dots positioned next to one another,
horizontally, vertically or diagonally, bright or dark
(e.g. the following pattern and sub-pixels)
R G B R G B R G B R G B
R G B R G B R G B R G B
R G B R G B R G B R G B
Distance between
Definition of distance between two defective dots
Dots
horizontal, vertical or diagonal, bright or dark
(e.g. the following pattern and sub-pixels)
R G B R G B R G B R G B
R G B R G B R G B R G B
R G B R G B R G B R G B
R
G
B
