Acer AL1717EE, Service Manual

Page: 9 / 36

9
1.3
LCD panel Specification
Optical Specifications
The relative measurement methods of optical characteristics are shown in 4.2. The
following items should be measured under the test conditions described in 4.1 and
stable environment shown in Note (4)
.
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio CR (300)
(400)
- - (2), (4)
T
R
-
(2)
(7) ms
LC Response Time
T
F
-
(8)
(18) ms
(3)
Luminance of center point L
θ
x
=0
°
,
θ
Y
=0
°
Viewing
Normal
Angle
(180) (280) -
cd/
m
2
(2), (4)
Luminance (Angular dependent) L
R
- 1.3 1.7 - (2), (5)
Contrast (Angular-dependent) Cm 0.5 0.9 - - (2), (6)
Brightness Uniformity Uni. - 1.1 1.3 - (2), (4)
Rx (0.604) (0.634) (0.664) -
Red
Ry (0.330) (0.360) (0.390) -
Gx (0.251) (0.281) (0.311) -
Green
Gy (0.572) (0.602) (0.632) -
Bx (0.112) (0.142) (0.172) -
Blue
By (0.037) (0.067) (0.097) -
Wx (0.283) (0.313) (0.343) -
White
Wy (0.299) (0.329) (0.359) -
Wx (0.283) (0.313) (0.343) -
White 6500K
Wy (0.299) (0.329) (0.359) -
Wx (0.269) (0.299) (0.329)
White 7500K
Wy (0.285) (0.315) (0.345)
Wx (0.253) (0.283) (0.313) -
Color
Chromaticity
White 9300K
Wy (0.267) (0.297) (0.327) -
(2)
θ
x
+
70 80 -
Horizontal
θ
x
- 70 80 -
θ
Y
+ 50 60 -
Viewing
Angle
Vertical
θ
Y
-
CR
≥
10
50 60 -
Deg
. (1),(4)