Acer AL1911 - Page 6

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• Lamp Current 7mA rms.( typ). 4 Lamp
• Weight 2500g .
• Optical Specifications
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).
wMeasuring 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 Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
CR 400 700 -
(1)(2)(4)
BM-5A
Rising TR - 15 30
Response
Time
Falling TF - 10 25
msec
(1)(3)
BM-7
Luminance of White
(Center of screen)
YL 240 300 - cd/m2
(5)
BM-5A
Rx 0.648
Red
Ry 0.349
Gx 0.292
Green
Gy 0.596
Bx 0.148
Blue
By 0.125
Wx 0.313
Color
Chromaticity
(CIE 1931)
White
Wy
Normal
φ = 0°
θ = 0°
Viewing
Angle
TYP.
-0.03
0.329
TYP.
+0.03
(1)(4)
PR650
θ L 85 - -
Hor.
θ R 85 - -
φ
H
85 - -
Viewing
Angle
Ver.
φ
L
CR≥10
85 - -
Degrees
(1)(4)
BM-5A
Brightness Uniformity
(9 points)
BUNI
75 - -
%
(6)
BM-5A
Note 1) Definition of Viewing Angle: Viewing angle range (10≤CR)