M220Z3-L03 Chi Mei, M220Z3-L03 Datasheet - Page 19

• Manufacturer Part Number: M220Z3-L03
• Description: TFT LCD Module
• Manufacturer: Chi Mei

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Note (5)
Note (6) Definition of White Variation (δW):
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.
δW = Maximum [L (1) ~ L (9)] / Minimum [L (1) ~ L (9)]
Measurement Setup:
The LCD module should be stabilized at given temperature for 20 minutes to avoid abrupt
L
L (x) is corresponding to the luminance of the point X at Figure in Note (6).
Measure the luminance of gray level 255 at 9 points
C
W
= L (7)
W/10
W/10
W/2
LCD Module
USB2000
LCD Panel
Center of the Screen
D/10
1
4
7
500 mm
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Horizontal Line
Active Area
19 / 25
D
D/2
5
2
8
CS-1000T
Light Shield Room
(Ambient Luminance < 2 lux)
D/10
3
6
9
Gray 0
X
Issued Date: Mar. 4, 2008
Model No.: M220Z3-L03
Doc No.:
: Test Point
X=1 to 9
X
Tentative
Version 0.0
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