LIQUID CRYSTAL DISPLAY MODULE
Standard Product Specification
PRODUCT
NUMBER
LR4434
INTERNAL APPROVALS
Product Manager
Engineering
Document Control
Date:
Date:
Date:
Product No.
LR4434
REV. A
Page
1 / 19
Copyright ©2006 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
TABLE OF CONTENTS
1
2
MAIN FEATURES.................................................................................................................... 4
MECHANICAL SPECIFICATION ........................................................................................ 5
2.1
2.2
2.3
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4
5
6
4.1
5.1
6.1
6.2
7
7.1
7.2
8
9
MECHANICAL CHARACTERISTICS ............................................................................. 5
LABELLING & MARKING ............................................................................................... 5
MECHANICAL DRAWING .............................................................................................. 6
ABSOLUTE MAXIMUM RATINGS................................................................................. 7
ELECTRICAL CHARACTERISTICS ............................................................................... 7
RECOMMENDED LC DRIVE VOLTAGE (V
O
-V
SS
) ....................................................... 7
INTERFACE PIN ASSIGNMENT ..................................................................................... 8
BLOCK DIAGRAM............................................................................................................ 9
POWER SUPPLY CIRCUIT............................................................................................... 9
TIMING CHARACTERISTICS ......................................................................................... 9
OPTICAL CHARACTERISTICS ..................................................................................... 10
BACKLIGHT CHARACTERISTICS ............................................................................... 12
CONFORMITY................................................................................................................. 13
DELIVERY ASSURANCE .............................................................................................. 13
RELIABILITY TESTS...................................................................................................... 17
LIFE TIME ........................................................................................................................ 17
ELECTRICAL SPECIFICATION .......................................................................................... 7
OPTICAL SPECIFICATION ................................................................................................ 10
BACKLIGHT SPECIFICATION.......................................................................................... 12
QUALITY ASSURANCE SPECIFICATION ...................................................................... 13
RELIABILITY SPECIFICATION........................................................................................ 17
PART NUMBER DESCRIPTIONS FOR AVAILABLE OPTIONS ................................. 18
HANDLING PRECAUTIONS ............................................................................................... 19
Product No.
LR4434
REV. A
Page
2 / 19
Copyright ©2006 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
REVISION RECORD
Rev.
A
Date
07/07/09
Page
--
Chap.
--
Comment
Initial DCA Release, ROHS
ECN no.
E4128
Product No.
LR4434
REV. A
Page
3 / 19
Copyright ©2006 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
1
MAIN FEATURES
ITEM
Display Format
Colour
Overall Dimensions
Viewing Area
LCD Type
Mode
Viewing Angle
Duty Ratio
Driver IC/Controller
Backlight Type
Backlight Colour
DC/DC Converter
CONTENTS
4 Line x 20 Characters
Monochrome
98.8 (W) x 60.2 (H) x 12.8 Max. (D)
76.0 (W) x 25.5 (H)
STN
Transflective / Positive
Transmissive / Negative
6 o’clock
1/16
ST7066
LED
Yellow-Green
Built-In
0°C ~ +50°C
-20°C ~ +70°C
-20°C ~ +70°C
-30°C ~ +80°C
Yes
Note 2
Note 1
REMARK
Operating
Temperature
Storage
Temperature
Normal
Wide
Normal
Wide
ROHS Compliant
Note 1: Background colour changes slightly depending on ambient temperature. This phenomenon
is reversible.
Ta≤70°C: 75% RH max.
Ta>70°C: absolute humidity must be lower than the humidity of 75%RH at 70°C
Note 2: Ta -30°C will be <48hrs, at 80°C will be <120hrs.
Product No.
LR4434
REV. A
Page
4 / 19
Copyright ©2006 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
2
2.1
MECHANICAL SPECIFICATION
MECHANICAL CHARACTERISTICS
ITEM
CHARACTERISTIC
4 Line x 20 Characters
5 (W) x 7 (H) with attached cursor
98.8 (W) x 60.2 (H) x 12.8 Max. (D)
76.0 (W) x 25.5 (H)
70.4 (W) x 20.8 (H)
0.55 (W) x 0.55 (H)
0.60 (W) x 0.60 (H)
ST7066
UNIT
--
--
mm
mm
mm
mm
mm
Display Format
Character Font Format
Overall Dimensions
Viewing Area
Active Area
Dot Size
Dot Pitch
IC Controller/Driver
2.2
LABELLING & MARKING
DENSITRON
LR4434
TAIWAN YYMM
Product No.
LR4434
REV. A
Page
5 / 19
Copyright ©2006 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
