XIAMEN OCULAR GDM12864A, Руководство пользователя

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Chapter 1 Introduction to GDM12864A LCM
4
Electro-Optical characteristics
TN Type (Twisted Nematic )
Item Symbol Min. Typ. Max. Unit Condition Note
?
2
-
?
1
Viewing Angle
f
40 - - deg. Cr = 2.0 1,2
Contrast Ratio Cr - 4 - -
?
=20
?
f = 0
?
3
Response Time (rise) t
R
- 110 - ms
?
=20
?
f = 0
?
4
Response Time (fall) t
F
- 110 - ms
?
=20
?
f = 0
?
4
STN Type (Super Twisted Nematic )
Item Symbol Min. Typ. Max. Unit Condition Note
?
2
-
?
1
Viewing Angle
f
70
-90
- +90 deg. Cr = 2.0 1,2
Contrast Ratio Cr - 4 - -
?
=20
?
f = 0
?
3
Response Time (rise) t
R
- 110 - ms
?
=20
?
f = 0
?
4
Response Time (fall) t
F
- 110 - ms
?
=20
?
f = 0
?
4
4. Definition of optical response
3. Definition of contrast Cr
2. Definition of viewing angle
¦È
1
&
¦Õ
2
1. Definition of angle
¦È
&
¦Õ
¦È
1
¦È
2
Y(
¦Õ
=180
¦Ï
)
Y’( ¦Õ =0
¦Ï
)
¦È
1
<20
¦Ï
<
¦È
2
¦È
1
20
¦Ï
¦È
2
2.0
Cr
100%
100%
100%
Intensity
Intensity
0%
B
A
Off
Off
On
90%
10%
t
F
t
R
Time
Driving Voltage
Set Point
Cr = ( A / B )
p
Negative : P = -1
Positive : P = +1
Non-
Selected
Dots
Dots
selected