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A.1
LCD Module Optical Characteristics
The optical characteristics are measured under stable conditions at 25°C (Room
Temperature):
Table A.1: Optical Characteristics
Item
Viewing Angle
Luminance
Uniformity
Color coordinates
(CIE 1931)
Response Time
White Luminance
Contrast Ratio
Note 1 Definition of viewing angle
Viewing angle is the measurement of contrast ratio ≥10, at the screen center, over a
180° horizontal and 180° vertical range (off-normal viewing angles). The 180° view-
ing angle range is broken down as: 90°(θ) horizontal left and right, and 90°(ɸ) verti-
cal high (up) and low (down). The measurement direction is typically perpendicular to
the display surface with the screen rotated to its center to develop the desired mea-
surement viewing angle.
IDK-1121WP User Manual
Conditions
Min.
Horizontal
85/85
CR = 10
Vertical
85/85
CR = 10
75
White x
Typ
-0.03
White y
Gray To Gray
-
200
700
24
Typ.
Max.
Unit
89/89
-
[degree]
89/89
-
-
-
[%]
0.313
Typ
-
+0.03
0.329
14
25
[ms]
250
-
[cd/m2]
1000
-
Note
1
2, 3
4
4,5
4
4
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