GDM12864A View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
GDM12864A Datasheet PDF : 22 Pages
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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
Viewing Angle
?2 -?1
40
-
f
-
deg. Cr = 2.0 1,2
Contrast Ratio
Cr
-
4
-
-
?=20?
f = 0?
3
Response Time (rise)
tR
-
110
-
ms
?=20?
f = 0?
4
Response Time (fall)
tF
-
110
-
ms
?=20?
f = 0?
4
STN Type (Super Twisted Nematic )
Item
Symbol Min. Typ. Max. Unit Condition Note
Viewing Angle
Contrast Ratio
Response Time (rise)
Response Time (fall)
?2 -?1
f
Cr
tR
tF
70
-90
-
+90 deg. Cr = 2.0 1,2
-
4
-
-
?=20?
f = 0?
3
-
110
-
ms
?=20?
f = 0?
4
-
110
-
ms
?=20?
f = 0?
4
1. Definition of angle ¦È& ¦Õ
2. Definition of viewing angle ¦È 1 & ¦Õ 2
Y(¦Õ=180 ¦Ï )
¦È 2
¦È 1
Y’(¦Õ=0 ¦Ï )
3. Definition of contrast Cr
Cr
¦È 1<20 ¦Ï <¦È 2
2.0
¦È 1 20 ¦Ï ¦È 2
4. Definition of optical response
100%
B
Intensity Selected
Dots
Non-
selected
Dots
Off
On
90%
Intensity 100%
0%
A
100%
Set Point
Driving Voltage
tR
Cr = ( A / B ) p Negative : P = -1
Positive : P = +1
Off
10%
Time
tF
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