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DISPLAYTRONIC
XIAMEN ZETTLER ELECTRONICS CO., LTD.
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY
CUSTOMER APPROVAL
PART NO. : ACM4004E SERIES
APPROVAL CUSTOMER COMMENTS COMPANY CHOP
DISPLAYTRONIC ENGINEERING APPROVAL
DESIGN BY CHECKED BY APPROVED BY
ACM4004E SERIES CHARACTER MODULE VER2.0
REVISION RECORD
REVISION ver1.0 ver2.0 REVISION DATE 12/1-2006 14/10-2008 PAGE FIRST ISSUE modify the cover,add content and revision record. CONTENTS
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
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ACM4004E SERIES CHARACTER MODULE VER2.0
CONTENTS
1.0 MECHANICAL SPECS 2.0 ABSOLUTE MAXIMUM RATINGS 3.0 ELECTRICAL CHARACTERISTICS 4.0 OPTICAL CHARACTERISTICS 5.0 BLOCK DIAGRAM 6.0 PIN ASSIGNMENT 7.0 POWER SUPPLY 8.0 TIMING CHARACTERISTICS 9.0 MECHANICAL DIAGRAM 10.0 RELIABILITY TEST 11.0 DISPLAY INSTRUCTION TABLE 12.0 STANDARD CHARACTER PATTERNS 13.0 PRECAUTION FOR USING LCM
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
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ACM4004E SERIES CHARACTER MODULE VER2.0
1.0 MECHANICAL SPECS
1. Display Format 2. Power Supply 3. Overall Module Size 40*4 Character 5.0V 190.0mm(W) x 54.0mm(H) x max 14.5mm(D) for LED backlight version 190.0mm(W) x 54.0mm(H) x max 9.5mm(D) for reflective version 147.0mm(W) x 29.5mm(H) 0.50mm(W) x 0.55mm(H) 0.57mm(W) x 0.62mm(H) 2.78mm(W) x 4.89mm(H) 3.53mm(W) x 6.09mm(H) 6:00 ;12:00 O'Clock 1/16Duty,1/5Bias SPLC780D-001 OR EQUIV STN FSTN Reflective, Transflective, Transmissive LED ROHS compliant
4. Viewing Aera(W*H) 5. Dot Size (W*H) 6. Dot Pitch (W*H) 7. Character Size (W*H) 8. Character Pitch (W*H) 9. Viewing Direction 10. Driving Method 11. Controller IC 12. LC Fluid Options 13. Polarizer Options 14. Backlight Options 15. ROHS
2.0 ABSOLUTE MAXIMUM RATINGS
Item Operating temperature (Standard) Storage temperature (Standard) Operating temperature (Wide temperature) Storage temperature (Wide temperature) Input voltage Supply voltage for logic Supply voltage for LCD drive Symbol Top Tst Top Tst Vin Vdd- Vss Vdd- Vo Min 0 -10 -20 -30 Vss 2.7 3.0 Typ Max 50 60 70 80 Vdd 5.5 13.0 Unit C C C C V V V
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ACM4004E SERIES CHARACTER MODULE VER2.0
3.0 ELECTRICAL CHARACTERISTICS
3.1 Electrical Characteristics Of LCM
Item Power Supply Voltage Power Supply Current Input voltage (high) Input voltage (low) Symbol Vdd Idd Vih Vil Condition 25C Vdd=5.0V, fosc=270kHz H level L level -20C 0C Recommended Voltage LC Driving 25C Vdd -Vo 50C 70C ----4.0 4.2 4.4 V Min --0.8Vdd 0 -Typ 5.0 2.5 ---Max -4.5 Vdd 0.2Vdd -Unit V mA V V
3.2 The Characteristics Of LED Backlight
Item Operate Current Luminance Peak wave length Coordinate range Symbol IF Lv p -Condition
VF=4.1V
Min ----
Typ 500 200 568
Max ----
Unit mA cd/m nm
IF= 500 mA IF= 500 mA --
x = -- , y = --
Note: i. Luminance means the backlight brightness without glass.
4.0 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V0.25V)
Item Viewing angle (horizontal) Viewing angle (vertical) Contrast Ratio Response time (rise) Response time (fall) Symbol Cr Tr Tf Condition Cr 2.0 Cr 2.0 =0, =0 =0, =0 =0, =0 Min -35 -25 Typ 6 180 150 Max 35 40 300 250 ms ms Unit deg deg
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ACM4004E SERIES CHARACTER MODULE VER2.0
(1). Definition of Optical Response Time
(2). Definition of Contrast Ratio
(3). Definition of Viewing Angle and
NORMAL =0 =180 12:00
Y
VIEW POSITION
=270 9:00
X
=90 3:00
=0 6:00
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DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
ACM4004E SERIES CHARACTER MODULE VER2.0
5.0 BLOCK DIAGRAM
U2
14.Vdd 13.Vss 12.Vo 11.Rs 10.R/W 8.DB0 1.DB7
U1
SEG1-40
U3
SEGMENT
U4
SEGMENT
U1
COM 16 16
40
80
80
U1 &
8
LCD 40 X 4
COM 16 16
9.E1 15.E2
A/+ BL+ K/- BL-
DISPLAYTRONIC XIAMEN ZETTLER ELECTRONICS CO., LTD.
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U2
SEG1-40
40
80
SEGMENT
80
SEGMENT
U2
U5
U6
LED BACKLIGHT
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ACM4004E SERIES CHARACTER MODULE VER2.0
6.0 PIN ASSIGNMENT
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A/+ K/Symbol DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 E1 R/W RS Vo Vss Vdd E2 NC BL+ BLFunction Data bit 7 Data bit6 Data bit5 Data bit4 Data bit3 Data bit2 Data bit1 Data bit0 U1 enable Read / Write Register select LCD contrast adjust Ground +5V U2 enable Power Supply for BL+(4.1V) Power Supply for BL-
7.0 POWER SUPPLY
Vdd +5V
Vo
Vr
Vss STANDARD TEMP RANGE
Vdd +5V
Vo
Vr -5V
Vss WIDE TEMP RANGE Vr = 10K ~ 20K
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ACM4004E SERIES CHARACTER MODULE VER2.0
8.0 TIMING CHARACTERISTICS
Item Enable cycle time Enable pulse width Enable rise/fall time RS, R/W set up time RS, R/W hold time Data delay time Data set up time Data hold time Symbol tC tW tR , tF tSU tH tD tDSU tDH Test Condition Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. b Fig. a Fig. a, Fig. b Min. 500 230 40 10 80 10 Typ. Max. 20 120 Unit ns ns ns ns ns ns ns ns
RS R /W E D B0~D B7
V IH 1 V IL 1 t SU
VIH1 V IL 1 tH
V
IL 1
VIL1 tW V IH 1 V IL 1 tR V IH 1 VIH1 V IL 1 t DSU t DH VIH1 VIL1 tF tH
V a lid D a ta
V IL 1 tC V IL 1
Fig. a Interface timing (data write)
VIH1 VIL1 tSU VIH1 VIH1 V IL1 tH VIH1
RS R/W
tW
tF VIH1 VIL1
tH
E DB0~DB7
VIH1 VIL1 tR tD VIH1 V IL1
tDSU
VIL1 tDH VIH1 V IL1
Valid Data
tC
Fig. b Interface timing (data read)
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ACM4004E SERIES CHARACTER MODULE VER2.0
9.0 MECHANICAL DIAGRAM
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ACM4004E SERIES CHARACTER MODULE VER2.0
10.0 RELIABILITY TEST
Standard temperature NO 1 Test Item Description Applying the high storage temperature Under normal humidity for a long time Check normal performance Applying the low storage temperature Under normal humidity for a long time Check normal performance Apply the electric stress(Volatge and current) Under high temperature for a long time Apply the electric stress Under low temperature for a long time Apply high temperature and high humidity storage for a long time Apply the low and high temperature cycle -10C25C60C 25C 30min 10min 30min 10min 1 cycle Check normal performance Freq:10-55Hz Max Acceleration 5G 1cycle time:1min time X.Y.Z direction for 15 mines Drop them through 70cm height to strike horizontal plane Test Condition Remark
High temperature storage Low temperature storage High temperature Operation
Environmenta l Test
60 C 96hrs -10C 96hrs 50 C 96hrs 0C 96hrs 90% RH 40C 96hrs
Note1 Note1 Note2 Note2
2
3 4 5
Low temperature Operation High temperature/High Humidity Storage
6
Temperature Cycle
-10C/60C 10 cycle
7 Mechanical Test
Vibration test(Package state)
Applying vibration to product check normal performance
8 9 Other
Shock test(package state)
Applying shock to product check normal performance
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ACM4004E SERIES CHARACTER MODULE VER2.0
(Wide temperature) NO 1 Test Item Description Applying the high storage temperature Under normal humidity for a long time Check normal performance Applying the low storage temperature Under normal humidity for a long time Check normal performance Apply the electric stress(Volatge and current) Under high temperature for a long time Apply the electric stress Under low temperature for a long time Apply high temperature and high humidity storage for a long time Apply the low and high temperature cycle -30C25C80C 25C 30min 10min 30min 10min 1 cycle Check normal performance Freq:10-55Hz Max Acceleration 5G 1cycle time:1min time X.Y.Z direction for 15 mines Drop them through 70cm height to strike horizontal plane Test Condition Remark
High temperature storage Low temperature storage High temperature Operation
Environmenta l Test
80 C OR 96hrs -30C 96hrs 70 C 96hrs -20C 96hrs 90% RH 40C 96hrs
Note1 Note1 Note2 Note2
2
3 4 5
Low temperature Operation High temperature/High Humidity Storage
6
Temperature Cycle
-30C/80C 10 cycle
7 Mechanical Test
Vibration test(Package state)
Applying vibration to product check normal performance
8 9 Other
Shock test(package state)
Applying shock to product check normal performance
Remark Note1:Normal operations condition (25C5C). Note2:Pay attention to keep dewdrops from the module during this test.
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ACM4004E SERIES CHARACTER MODULE VER2.0
11.0 DISPLAY INSTRUCTION TABLE
COMMAND R R/ DB DB DB DB SW7 6 5 4 DB 3 DB 2 DB 1 DB 0 DESCRIPTION Executing time fosc=270khz 1.52ms
Clear Display Cursor at Home
0
00
0
0
0
0
0
0
1
Clears Display & Returns to Address 0.
0
00
0
0
0
0
0
1
x
Returns Cursor to Address 0. Also returns the display being shifted to the original position. DDRAM contents remain unchanged. I/D: Set Cursor Moving Direction I/D=1: Increment I/D=0: Decrement S: Specify Shift of Display S=1: The display is shifted S=0: The display is not shifted
1.52ms
Entry Mode Set
0
00
0
0
0
0
1
I/D
S
38s
Display ON/OFF Control
0
00
0
0
0
1
D
C
B
Display D=1: Display on D=0: Display off Cursor C=1: Cursor on C=0: Cursor off Brink B=1: Brink on B=0: Brink off Moves cursor or shifts the display w/o changing DD RAM contents S/C=0: Cursor Shift (RAM unchanged) S/C=1: Display Shift (RAM unchanged) R/L=1: Shift to the Right R/L=0: Shift to the Left Sets data bus length (DL), # of display lines (N), and character fonts (F). DL=1: 8 bits F=0: 5x7 dots DL=0: 4 bits F=1: 5x10 dots N=0: 1 line display N=1: 2 lines display Sets CG RAM address. CG RAM data is sent and received after this instruction. Sets DD RAM address. DD Ram data is sent and received after this instruction. Reads Busy Flag (BF) and address counter contents.
38s
Cursor / Display Shift
0
00
0
0
1
S/C
R/L
x
x
38s
Function Set
0
00
0
1
DL
N
F
x
x
38s
Set CG RAM Address Set DD RAM Address Busy Flag / Address Read Write Data Read Data x: Don't Care.
0
00
1
Character Generator (CG) RAM Address
38s
0
01
Display Data (DD) RAM Address / Cursor Address
38s
0
1B F
Address counter used for both DD & CG RAM address
1 1
0 1
Write Data Read Data
Writes data into DDRAM or CGRAM. Reads data from DDRAM or CGRAM.
38s 38s
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ACM4004E SERIES CHARACTER MODULE VER2.0
12.0 STANDARD CHARACTER PATTERNS
Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program.
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ACM4004E SERIES CHARACTER MODULE VER2.0
13.0 PRECAUTION FOR USING LCM
1. When design the product with this LCD Module, make sure the viewing angle matches to its purpose of usage. 2. As LCD panel is made of glass substrate, Dropping the LCD module or banging it against hard objects may cause cracking or fragmentation. Especially at corners and edges. 3. Although the polarizer of this LCD Module has the anti-glare coating, always be careful not to scratch its surface. Use of a plastic cover is recommended to protect the surface of polarizer. 4. If the LCD module is stored at below specified temperature, the LC material may freeze and be deteriorated. If it is stored at above specified temperature, the molecular orientation of the LC material may change to Liquid state and it may not revert to its original state. Excessive temperature and humidity could cause polarizer peel off or bubble. Therefore, the LCD module should always be stored within specified temperature range. 5. Saliva or water droplets must be wiped off immediately as those may leave stains or cause color changes if remained for a long time. Water vapor will cause corrosion of ITO electrodes. 6. If the surface of LCD panel needs to be cleaned, wipe it swiftly with cotton or other soft cloth. If it is not still clean enough, blow a breath on the surface and wipe again. 7. The module should be driven according to the specified ratings to avoid malfunction and permanent damage. Applying DC voltage cause a rapid deterioration of LC material. Make sure to apply alternating waveform by continuous application of the M signal. Especially the power ON/OFF sequence should be kept to avoid latchup of driver LSIs and DC charge up to LCD panel. 8. Mechanical Considerations a) LCM are assembled and adjusted with a high degree of precision. Avoid excessive shocks and do not make any alterations or modifications. The following should be noted. b) Do not tamper in any way with the tabs on the metal frame. c) Do not modify the PCB by drilling extra holes, changing its outline, moving its components or modifying its pattern. d) Do not touch the elastomer connector; especially insert a backlight panel (for example, EL). e) When mounting a LCM makes sure that the PCB is not under any stress such as bending or twisting. Elastomer contacts are very delicate and missing pixels could result from slight dislocation of any of the elements. f) Avoid pressing on the metal bezel, otherwise the elastomer connector could be deformed and lose contact, resulting in missing pixels. 9. Static Electricity a) Operator Ware the electrostatics shielded clothes because human body may be statically charged if not ware shielded clothes. Never touch any of the conductive parts such as the LSI pads; the copper leads on the PCB and the interface terminals with any parts of the human body. b) Equipment There is a possibility that the static electricity is charged to the equipment, which has a function of peeling or friction action (ex: conveyer, soldering iron, working table). Earth the equipment through proper resistance (electrostatic earth: 1x108 ohm). Only properly grounded soldering irons should be used. If an electric screwdriver is used, it should be well grounded and shielded from commutator sparks. The normal static prevention measures should be observed for work clothes and working benches; for the latter conductive (rubber) mat is recommended. c) Floor Floor is the important part to drain static electricity, which is generated by operators or equipment. There is a possibility that charged static electricity is not properly drained in case of insulating floor. Set the electrostatic earth (electrostatic earth: 1x108 ohm). d) Humidity Proper humidity helps in reducing the chance of generating electrostatic charges. Humidity should be kept over 50%RH. e) Transportation/storage The storage materials also need to be anti-static treated because there is a possibility that the human body or storage materials such as containers may be statically charged by friction or peeling. The modules should be kept in antistatic bags or other containers resistant to static for storage. f) Soldering Solder only to the I/O terminals. Use only soldering irons with proper grounding and no leakage. Soldering temperature : 280C 10C
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ACM4004E SERIES CHARACTER MODULE VER2.0
Soldering time: 3 to 4 sec. Use eutectic solder with resin flux fill. If flux is used, the LCD surface should be covered to avoid flux spatters. Flux residue should be removed afterwards. g) Others The laminator (protective film) is attached on the surface of LCD panel to prevent it from scratches or stains. It should be peeled off slowly using static eliminator. Static eliminator should also be installed to the workbench to prevent LCD module from static charge. 10. Operation a) Driving voltage should be kept within specified range; excess voltage shortens display life. b) Response time increases with decrease in temperature. c) Display may turn black or dark blue at temperatures above its operational range; this is (however not pressing on the viewing area) may cause the segments to appear "fractured". d) Mechanical disturbance during operation (such as pressing on the viewing area) may cause the segments to appear "fractured". 11. If any fluid leaks out of a damaged glass cell, wash off any human part that comes into contact with soap and water. The toxicity is extremely low but caution should be exercised at all the time. 12. Disassembling the LCD module can cause permanent damage and it should be strictly avoided. 13. LCD retains the display pattern when it is applied for long time (Image retention). To prevent image retention, do not apply the fixed pattern for a long time. Image retention is not a deterioration of LCD. It will be removed after display pattern is changed. 14. Do not use any materials, which emit gas from epoxy resin (hardener for amine) and silicone adhesive agent (dealcohol or deoxym) to prevent discoloration of polarizer due to gas. 15. Avoid the exposure of the module to the direct sunlight or strong ultraviolet light for a long time. The brightness of LCD module may be affected by the routing of CCFL cables due to leakage to the chassis through coupling effect. The inverter circuit needs to be designed taking the level of leakage current into consideration. Thorough evaluation is needed for LCD module and inverter built into its host equipment to
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