Specifications

PRODUCT SPECIFICATION
Version 2.4 23 August 2011 21 / 28
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Note (4) Definition of Luminance of White (L
C
):
Measure the luminance of gray level 63 at center point
L
C
= L (5)
L (x) is corresponding to the luminance of the point X at Figure in Note (5).
Note (5) Definition of White Variation (δW):
Measure the luminance of gray level 63 at 5 points
δW = Maximum [L (1), L (2), L (3), L (4), L (5)] / Minimum [L (1), L (2), L (3), L (4), L (5)]
Note (6) Measurement Setup:
The LCD module should be stabilized at given temperature for 20 minutes to avoid abrupt
temperature change during measuring. In order to stabilize the luminance, the measurement
should be executed after lighting Backlight for 20 minutes in a windless room.
D
W
Active Area
Vertical Line
Horizontal Line
: Test Point
X=1 to 5
5
1 2
3
4
D/4 D/2 3D/4
W/4
W/2
3W/4
X
CS-2000T
500 mm
LCD Module
LCD P anel
Center of the Screen
Light Shield Room
(Ambient Luminance < 2 l ux)
USB2000
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