Acer G185H - Page 39

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Note 5: Definition of contrast ratio:
Contrast ratio is calculated by the following formula.
Note 6: Driving conditions for CCFL: I
L
= 7.5 mA, 50 KHz Frequency.
Note 7: Definition of viewing angle
Note 8: Definition white uniformity:
Luminance are measured at the following nine points (P1~P9).
S
i
g
n
a
l
(
R
e
l
a
t
i
v
e
v
a
l
u
e
)
"Black"
Tr
Tf
"White""White"
0%
10%
90%
100%
Contrast ratio (CR)=
Brightness on the "white" state
Brightness on the "black" state
δ
W =
Minimum Brightness of
nine
points
(
P
1~
P9
).
Maximum Brightness of
nine
points
(
P
1~
P9
).