LightKey

SPEC NO: DS10121845

REV: A.4

CHECKED: Emily Zhou

APPROVED: M.H. Lin

PAGE: 2/3

HTTP://WWW.LTKEY.COM

TEL: 0086-574-86322282

DATE: Jul/20/2011

Datasheet of 4.00 inch 4x4 Dual Color Dot Matrix LED Display

Internal Circuit Diagram

LM40044ARG (Common Cathode Row)

LM40044BRG (Common Anode Row)

1

1

2

1

2

1

3 0

1

1

9 5

6

6

7

7

1

1

2

2

3

3

4

4

1

11

1

88

4

4

22

11

22

3

3

4

4

PI N

NO.

PI N

NO.

PI N

NO.

PI N

NO.

.

L

O

C

.

L

O

C

3 0 9 5

Selection Guide

4.00 inch 4x4 Red-Green LED dot matrix module, Matrix Height: 108.80mm(4.00 inch), External Dimensions:

108.80x108.80x17.00mm (LxWxH)

Part No.

Chip

Iv(mcd)@20mA

One Dot

Description

Common

Cathode Row

Common

Anode Row

Material

Color

W LD

(nm)

Min.

Typ.

GaAlAs

Super Red

640

24

30

Standard

Brightness

LM40044ARG

LM40044BRG

GaP

Green

568

21

27

AlGaInP

Ultra Red

640

90

135

Ultra-High

Brightness

LM40044AURUG

LM40044BURUG

AlGaInP

Ultra Green

573

90

135