Acer S191HQL, Service Manual

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3
Optical Characteristics:
Optical Characteristics(For LCD BM185WH2-T2BB)
Parameter Symbol
Values
Units Notes
Min Typ Max
Contrast Ratio CR 400 600 ‐
1
(PR ‐ 880)
Surface Luminance, white L
WH
160 200 ‐ cd/m
2
2
(PR ‐ 880)
Luminance Variation

WHITE
9P 75 ‐ ‐ %
3
(PR ‐ 880)
Response Time
Rise Time Tr
R
‐ 1.1 2.6 ms
4
(RD80S)
Decay Time Tr
D
‐ 3.9 7.4 ms
Color Coordinates
[CIE1931]
RED
Rx
Typ
‐ 0.03
0.627
Typ
+0.03
(PR ‐ 650)
Ry 0.347
GREEN
Gx 0.339
Gy 0.621
BLUE
Bx 0.154
By 0.050
WHITE
Wx 0.313
Wy 0.329
Viewing Angle (CR>5)
5
(PR ‐ 880)
x axis, right(

=0
°
)

r 45 50 Degree
x axis, left (

=180
°
)

l
45 50
y axis, up (

=90
°
)

u 20 25
y axis, down
(

=270
°
)

d
40 45
Viewing Angle (CR>10)
x axis, right(

=0
°
)

r
40 45 Degree
x axis, left (

=180
°
)

l 40 45
y axis, up (

=90
°
)

u 10 15
y axis, down (

=270
°
)

d
30 35
Crosstalk 1.5 %
6
(PR880)