SPECIFICATIONS FOR DOT MATRIX
DISPLAYS
4.0" 5*7 Dot Matrix
LMD40057□□-10
Series
WENRUN
OPTOELECTRONIC
WENRUN LED Displays
LMD40057□□ Series
◆
Features:
E
mitting dot 10.0mm diameter.
High efficiency, low power consumption.
Extremely low current.
Low development cost.
Big viewing angle vertically and horizontally.
LMD40057A/B□-10
◆
Descriptions:
The LMD40057 is a 106.5mm (4.0") matrix height 5×7 dot matrix display.
These devices are made with white dots and black surface.
◆
Application
Instrument panels.
Digital read out display.
◆
Selection Guide:
Part No.
Anode
LMD40057BSR-10
LMD40057BG-10
LMD40057BY-10
LMD40057BE-10
Cathode
LMD40057ASR-10
LMD40057AG-10
LMD40057AY-10
LMD40057AE-10
Material
GaAlAs
GaP
GaAsP/GaP
GaAsP/GaP
Chip
Emitting Color
Super Red
Green
Yellow
Orange
White
Diffused
Lens
Color
Prepared date：July 2007
http://www.wenrun.com
Rev.:4
Page 1 of 4
WENRUN LED Displays
LMD40057□□ Series
◆
Absolute Maximum Rating
（Ta=25℃）
Parameter
Power Dissipation/Segment
Peak Forward Current /Segment
(Duty 1/10@ 1KHz)
Continuous Forward Current
/Segment
①
Recommend use current
/Segment
②
Reverse Voltage /Segment
Operating Temperature Range
Storage Temperature Range
Solder Temperature
③
Symbol
P
d
I
FP
I
F
I
F
V
R
Topr
Tstg
Tsol
Super Red
100
60
20
5~10
8
Green
120
60
20
5~10
8
-25~ +75
-30 ~ +85
260±5
Yellow
120
60
20
5~10
8
Orange
120
60
20
5~10
8
Unit
mW
mA
mA
mA
V
℃
℃
℃
Notes：1、This
is the limit current. It is not allowed to use when the product work continuously.
2、It is recommended that the product is driven by TTL,CMOS .
3、Soldering time≤5 seconds.
◆
Electrical Optical Characteristics（Ta=25℃）
Super Red
Parameter
Luminous Intensity
/ Dot
Forward Voltage
/ Dot
Reverse Current
/ Dot
Dominant
λd
Wavelength
Spectral Line Half
Δλ
Width
30
--
30
--
30
--
30
--
nm
I
F
=20mA
645
--
565
--
585
--
630
--
nm
I
F
=20mA
I
R
--
50
--
50
--
50
--
50
uA
V
R
=5V
V
F
3.7
4.6
4.4
5.0
4.0
5.0
4.0
5.0
V
I
F
=20mA
I
V
21.0
--
10.5
--
10.5
--
10.5
--
mcd
I
F
=10mA
Symbol
Typ.
Max.
Typ.
Max.
Typ.
Max.
Typ.
Max.
Green
Yellow
Orange
Unit
Condition
Test
Prepared date：July 2007
http://www.wenrun.com
Rev.:4
Page 2 of 4
WENRUN LED Displays
LMD40057□□ Series
◆
Package Dimensions:
COL1
2
3
4
5 ROW
1
2
15.24*6=91.44
106.5
3
4
5
PIN1
15.24*4=60.96
76
φ
10
6
7
13
φ
0.8
5.08*6=30.48
76.2
NOTES：
•
All dimensions are in millimetres (mm), Tolerance is
±0.25mm
unless otherwise noted.
•
Specifications are subject to change without notice.
◆
Internal Circuit:
COL
PIN
NO
1
13
2
3
4
10
5
6
ROW
3 11 4
COL
PIN
NO
PIN
NO
1
13
2
3
4
10
5
6
3 11 4
ROW
PIN
NO
1
9
1
9
2
14
2
14
3
8
5
12
4
3
8
5
12
4
5
1
5
1
6
7
6
7
7
2
7
2
LMD40057A□
LMD40057B□
Prepared date：July 2007
http://www.wenrun.com
Rev.:4
Page 3 of 4
WENRUN LED Displays
LMD40057□□ Series
◆
Reliability Test Items and Conditions
NO
1
2
3
4
5
6
Test Item
Temperature Cycle
High Temp. Storage
Temp.& Humidity Test
Low Temp. Storage
Operating Life Test
Solder Heat
Test Conditions
-30℃½25℃½85℃½25℃
30min 5min 30min 5min
Ta=85℃
Ta=85℃
RH=85%
Ta=-30℃
Ta=25±5℃
DC IF=15mA
Tsol=260±5℃，5s
Duration
50clycles
1000hours
1000hours
1000hours
1000hours
1times
Sample
100
100
100
100
100
20
Ac/Re
0/1
0/1
0/1
0/1
0/1
0/1
◆
Typical Electro-Optical Characteristics Curves
Spectrum Distribution
Relative Luminous Intensity (%)
Ta=25℃
100
75
50
25
0
500
G
Y E
SR
550
600
Wavelength
650
λd
(nm)
700
750
Forward Current vs.
Forward Voltage
50
Forward Current If (mA)
40
30
G
Y
Forward Current Derating Curve
50
Forward Current If (mA)
SR
E
40
30
20
10
0
G
Y
E
SR
20
10
0
1.2
1.6
2.0
2.4
2.8
3.2
0
20
40
60
80
100
Forward Voltage(Vf)-volts
Ambient Temperature Ta(° C)
Prepared date：July 2007
http://www.wenrun.com
Rev.:4
Page 4 of 4
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