First Edition
Approved by
Production Div.
Jul 13, 1999
Checked by
Quality Assurance Div.
LCD Module Specification
Final Revision
Checked by
Design Engineering Div.
*******
Prepared by
Type No.
Production Div.
ＤＭＣ２０４８１ＮＹ－ＬＹ－ＡＧＥ
Table of Contents
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
General Specifications .............................................................................2
Electrical Specifications...........................................................................3
Optical Specifications ..............................................................................6
I/O Terminal.............................................................................................8
Test..........................................................................................................10
Appearance Standards............................................................................11
Code System of Production Lot ..........................................................14
Type Number..........................................................................................14
Applying Precautions .............................................................................14
Precautions Relating Product Handling................................................15
Warranty..................................................................................................16
Revision History
Rev.
Date
Page
Comment
DMC20481NY-LY-AGE (BA) No.99-0210
OPTREX
OPTREX CORPORATION
Page 1/16
1. General Specif ications
Operating Temp.
Storage Temp.
Display Format
Display Fonts
Viewing Area
Outline Dimensions
Weight
LCD Type
：
min. 0℃
½
max. 50℃
：
min. -20℃
½
max. 70℃
：
20 characters
×
4 lines
：
5
×
8 dots ( 1 character )
：
76.0 (W)
×
25.2 (H) mm
：
98.5 (W)
×
61.0 (H)
×
15.6 max. (D) mm
：
70g max.
：
NTD-7141
( STN / Yellow-mode / Transmissive )
：
6:00
：
LED Backlight / Yellow-green
：
Dimensional Outline
UE-301029
Viewing Angle
Backlight
Drawings
DMC20481NY-LY-AGE (BA) No.99-0210
OPTREX
OPTREX CORPORATION
Page 2/16
2.Electrical Specif ications
2.1.Absolute Maximum Ratings
V
SS
=0V
Parameter
Supply Voltage
(Logic)
Supply Voltage
(LCD Drive)
Input Voltage
V
I
－
-0.3
V
DD
+0.3
V
V
DD
-V
EE
－
0
13.0
V
Symbol
V
DD
-V
SS
Conditions
－
Min.
-0.3
Max.
7.0
Units
V
2.2.DC Characteristics
Ta=25℃, V
SS
=0V
Parameter
Supply Voltage
(Logic)
Supply Voltage
(LCD Drive)
High Level
Input Voltage
Low Level
Input Voltage
High Level
Output Voltage
Low Level
Output Voltage
Supply Current
I
DD
V
DD
-V
SS
=5.0V
－
2.2
3.5
mA
V
OL
I
OL
=1.2mA
－
－
0.4
V
V
OH
I
OH
=-0.205mA
2.4
－
－
V
V
IL
V
DD
=5.0V±10%
-0.3
－
0.6
V
V
IH
V
DD
=5.0V±10%
2.2
－
V
DD
V
V
DD
-V
EE
Shown in 3.1
V
Symbol
V
DD
-V
SS
Conditions
－
Min.
4.5
Typ.
－
Max.
5.5
Units
V
DMC20481NY-LY-AGE (BA) No.99-0210
OPTREX
OPTREX CORPORATION
Page 3/16
2.4.Lighting Specifications
2.4.1.Absolute Maximum Ratings
Ta=25℃
Parameter
Foward Current
Reverse Voltage
Symbol
I
F
V
R
Conditions
Note 1
－
Min.
－
－
－
Typ.
－
－
－
Max.
480
8
2.0
Units
mA
V
W
LED Power Dissipation
P
D
－
Note 1 : Refer to the foward current derating curve.
I
F
(mA)
480
280
0
25
50
Ta (℃)
2.4.2.Operating Characteristics
Ta=25℃
Parameter
Foward Voltage
Luminance of
Backlight Surface
Symbol
V
F
L
Conditions
I
F
=240mA
I
F
=240mA
Min.
3.8
60
Typ.
4.0
－
Max.
4.2
－
Units
V
cd/㎡
DMC20481NY-LY-AGE (BA) No.99-0210
OPTREX
OPTREX CORPORATION
Page 5/16
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