Advantech IDK-2117 Series User Manual page 33

Note2 9 points position
90 %
Note3 9-point luminance uniformity is defined by dividing the maximum luminance
values by the minimum test point luminance
=
W9
Note4 Measurement method
The LCD module should be stabilized at given temperature for 30 minutes to avoid
abrupt temperature change during measuring. In order to stabilize the luminance, the
measurement should be executed after lighting Backlight for 30 minutes in a stable,
windless and dark room. Optical Equipment: DT-101, or equivalent
50 %
Minimum Brightness of nine points
Maximum Brightness of nine points
27
10 %
10 %
50 %
90 %
IDK-2117 User Manual