Acer AM678 Manuel - Page 7

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The following items are measured under stable conditions. The optical characteristics
should be measured in a dark room or equivalent state with the methods shown in
Note(4).
Measuring equipment : TOPCON BM-5A, BM-7, PHOTO RESEARCH PR650
(Inverter Freq. : 54kHz) *Ta =25 ± 2°C, VDD=5V, fv=60 Hz, fDCLK=54 MHz, IL= 6.5mArms
Item
Contrast Ratio
(Center of screen)
Rising
Response
Time
Falling
Luminance of White
(Center of screen)
Red
Green
Color
Chromaticity
(CIE 1931)
Blue
White
Hor.
Viewing
Angle
Ver.
Brightness Uniformity
(9 points)
Note 1) Definition of Viewing Angle: Viewing angle range (10≤CR)
Note 2) Definition of Contrast Ratio (CR): Ratio of gray max(Gmax),gray min(Gmin) at the
center point of panel.
Symbol
Condition
CR
T
R
T
F
Normal
Y
L
φ
= 0˚
Rx
θ
= 0˚
Ry
Gx
Viewing
Angle
Gy
Bx
By
Wx
Wy
θ
L
θ
R
CR≥5
φ
H
φ
L
B
UNI
7
Min.
Typ.
Max.
250
400
-
-
12
20
-
4.0
5
200
260
-
0.64
0.34
0.29
TYP.
0.61
TYP.
-0.03
+0.03
0.14
0.07
0.31
0.33
70
80
-
70
80
-
70
80
-
70
80
-
75
-
-
Unit
Note
(1)(2)(4)
BM-5A
(1)(3)
msec
BM-7
(5)
cd/m2
BM-5A
(1)(4)
PR650
(1)(4)
Degrees
BM-5A
(6)
%
BM-5A