Module Technical Specification Type Final Revision ****
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2005
Module Technical Specification
Type
Final Revision
******
DMC20481NY-LY-BAE-BKN
Approved (Quality Assurance Division) Checked (ACI Engineering Division)
T.Yuchi
Prepared (ACI Engineering Division)
Table Contents
General Specifications Electrical Specifications Optical Specifications Terminal Test Appearance Standards Code System Production Type Number. Applying Precautions Precautions Relating Product Handling. Warranty
Revision History
Rev. Date Page Comment
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 1/16
General Specifications
Operating Temp. Storage Temp. Display Format Display Fonts Viewing Area Outline Dimensions Weight Type min. max. min. max. characters lines dots character 76.0 25.2 98.5 61.0 15.6 max. max. NTD-7141 Yellow-mode Transmissive 6:00 Backlight Yellow-green Dimensional Outline DMC20481 series
Viewing Angle Backlight Drawings RoHS regulation
best knowledge, this product satisfies material requirement RoHS regulation. company doing best efforts obtain equivalent certificate from suppliers.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 2/16
Electrical Specifications
2.1. Absolute Maximum Ratings VSS=0V Parameter Supply Voltage (Logic) Supply Voltage (LCD Drive) Input Voltage -0.3 +0.3 13.0 Symbol Conditions Min. -0.3 Max. Units
2.2. Characteristics Ta=25 VSS=0V Parameter Supply Voltage (Logic) Supply Voltage (LCD Drive) High Level Input Voltage Level Input Voltage High Level Output Voltage Level Output Voltage Supply Current SS=5.0V IOL=1.2mA =-0.205mA =5.0V -0.3 =5.0V Shown Symbol Conditions Min. Typ. Max. Units
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 3/16
2.3. Characteristics =5.0V Parameter Enable Cycle Time Enable Pulse Width Enable Rise/Fall Time Address Setup Time Address Hold Time Write Data Setup Time Write Data Hold Time Read Data Delay Time Read Data Hold Time
Symbol
Conditions Fig.1, Fig.1, Fig.1, Fig.1, Fig.1, Fig.1 Fig.1 Fig.2 Fig.2
Min.
Max.
Units
tCYC
tEr, tDSW tDHW tDDR tDHR
PWEH
tDSW
tDHW
Valid Data
tCYC
Fig.1 Write Operation Timing
PWEH
tDDR
tDHR
Valid Data
tCYC
Fig.2 Read Operation Timing
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 4/16
2.4. Lighting Specifications 2.4.1. Absolute Maximum Ratings Ta=25 Parameter Foward Current Reverse Voltage Power Dissipation Symbol Conditions Note Min. Typ. Max. Units
Note Refer foward current derating curve.
(mA)
2.4.2. Operating Characteristics Ta=25 Parameter Foward Voltage Luminance Backlight Surface Symbol Conditions =240mA =240mA Min. Typ. Max. Units
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 5/16
Optical Specifications
3.1. Driving Voltage Parameter Recommended Driving Voltage Note Symbol Conditions Ta=25 Ta=50 Min. Typ. Max. Units
Note Voltage (Applied actual waveform Module) best contrast. range minimum maximum shows tolerance operating voltage. specified contrast ratio response time guaranteed over entire range.
3.2. Optical Characteristics Ta=25 1/16 Duty, 1/4.5 Bias, =4.6V (Note Parameter Contrast Ratio Viewing Angle Response Time Rise Note TOFF Note Symbol Conditions Min. Typ. Max. Units
Shown
Decay Note
Note :Contrast ratio definded follows. LOFF Luminance segments LOFF Luminance segments Note :The time that luminance level reaches saturation level from when signal applied. Note :The time that luminance level reaches saturation level from 100% when signal applied. Note :Definition Driving Voltage Assuming that typical driving waveforms shown below applied Panel Duty Bias Duty Number, Bias Number Driving voltage definded follows. (Vth1+Vth2) Vth1 voltage VO-P that should provide saturation level luminance segment which signal applied Vth2 voltage VO-P that should provide saturation level luminance segment which signal applied
VO-P
SIGNAL
SIGNAL
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 6/16
3.3. Definition Viewing Angle Optimum Viewing Area Point shows point where contrast ratio measured. Driving condition 1/16 Duty, 1/4.5 Bias, =4.6V, =84.4Hz
Area
shows typ.
3.4. System Block Diagram
Temperature Chamber Rotation Table Photometer #1980A Optical Fiber
Computer
Control Unit Waveform Generator Halogen bulb
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 7/16
Terminal
4.1. Assignment Symbol ANODE CATHODE Level Power Supply (0V, GND) Power Supply Logic Power Supply Drive Register Select Signal Read/Write Select Signal Read Write Enable Signal pull-up Resister) Data Line Non-connection 4-bit operation Data Line Non-connection 4-bit operation Data Line Non-connection 4-bit operation Data Line Non-connection 4-bit operation Data Line Data Line Data Line Data Line Anode Terminal Cathode Terminal Function
4.2. Example Power Supply recommended apply potentiometer contrast adjust tolerance driving voltage temperature dependence.
MODULE (0V) (+Voltage)
VR=1020K
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 8/16
4.3. Block Diagram
LCDP characters lines
Control HCD44780 equivalent
Column Driver KS0063B equivalent
Bias Circuit
ANODE Backlight CATHODE
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 9/16
Test
change display operation under following test condition. Parameter High Temperature Operating Temperature Operating High Temperature Storage Temperature Storage Damp Proof Test Vibration Test Conditions 96hrs (operation state) 96hrs (operation state) 96hrs -20± 96hrs 95%RH, 96hrs Total fixed amplitude 1.5mm Vibration Frequency 55Hz cycle seconds directions each minutes Shock Test measured after dropping from 60cm high concrete surface packing state. Notes
Dropping method corner dropping 60cm Concrete Surface corner once Edge dropping B,C,D edge once Face dropping E,F,G face once
Note :Unless otherwise specified, tests will conducted under following condition. Temperature Humidity Note :Unless otherwise specified, tests will conducted under functioning state. Note condensation observed. Note :The function test shall conducted after hours storage normal temperature humidity after removed from test chamber. Note :Vibration test will conducted product itself without putting container.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 10/16
Appearance Standards
6.1. Inspection conditions shall inspected under white fluorescent light. distance between eyes sample shall more than 30cm. directions inspecting sample should within against perpendicular line.
6.2. Definition applicable Zones
Zone Zone Zone
Bezel Flame
Zone Active display area Zone Area from outside Zone" validity viewing area Zone Rest parts Zone Zone Validity viewing area
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 11/16
6.3. Standards Parameter Black White Spots, Foreign Substances Dimension (mm) Long Short Line Shape Zone X(mm) Y(mm) 0.02 0.03 0.04 0.05 0.05 Acceptable Number same Disregard Round Shape Zone Disregard Acceptable Number Criteria
Length Width
Total defects shall exceed Bubbles (between glass polarizer) Dimension (mm) 0.15 0.15 Disregard Total defects shall exceed Zone Acceptable Number
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 12/16
Parameter Shape Shape (with Dent)
0.15
Criteria
sketch left hand.
Shape (with Projection)
Should connected next dot.
Hole
(X+Y) 0.2mm
(Less than 0.1mm counted.)
Total defects shall exceed Polarizer Scratches Polarizer Dirts conspicuous defects. stains removed easily from LCDP surface, module defective. Color Variation conspicuous defects.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 13/16
Code System Production
production module specified follows.
Factory Control Number (0~99) Date week (A~G) Factory Number (0~9) Factory Code (Alphabet) Production Week (1~5) Production Month (1~9, Production Year (Lower digits)
Type Number
type number module specified follows. DMC20481NY-LY-BAE-BKN
Applying Precautions
Please contact when questions and/or problems specified this Specifications arise.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 14/16
Precautions Relating Product Handling
Following precautions will guide handling product correctly. Liquid crystal display devices liquid crystal display device panel used liquid crystal display module made plate glass. Avoid strong mechanical shock. Should glass break handle with care. polarizer adhering surface made soft material. Guard against scratching Care liquid crystal display module against static electricity discharge. When working with module, sure ground your body electrical equipment using. strongly recommend anti static mats made rubber protect work tables against hazards electrical shock. Avoid work clothing made synthetic fibers. recommend cotton clothing other conductivity-treated fibers. Slowly carefully remove protective film from module, since this operation generate static electricity. When module alone must stored long periods time: Protect modules from high temperature humidity. Keep modules direct sunlight direct exposure ultraviolet rays. Protect modules from excessive external forces. module with power supply that equipped with overcurrent protector circuit,since module provided with this protective feature. ingest fluid itself should leak damaged module. Should hands clothing come contact with fluid, wash immediately with soap. Conductivity guaranteed models that metal holders where solder connections between metal holder used. Please contact discuss appropriate ways assure conductivity. models which CFL: High voltage 1000V greater applied cable connector area. Care should taken touch connection areas avoid burns. Protect cables from rubbing against unit thus causing wire jacket become worn. CFLs extended periods time temperatures will significantly shorten their service life. models which touch panels: stack modules since they damaged components neighboring modules. place heavy objects product. This could cause glass breakage. models which COG,TAB,or COF: mechanical strength product since chip faces unprotected from rear. sure protect rear chip from external forces. Given fact that rear chip left exposed, order protect unit from electrical damage, avoid installation configurations which rear chip runs risk making electrical contact.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 15/16
Models which flexible cable, heat seal, TAB: order maintain reliability, touch hold connector area. Avoid bending, pulling, other excessive force, which result broken connections. case buffer material such cushion gasket assembled into module, have adverse effect connecting parts panel-TCP HEAT SEAL etc., PCB-TCP HEAT SEAL etc., TCP-HEAT SEAL, TCP-FPC, HEAT SEAL-FPC, etc.,) depending materials. Please check evaluate these materials carefully before use. case acrylic plate attached front side panel, cloudiness very small cracks occur acrylic plate, being influenced some components generated from polarizer film. Please check evaluate those acrylic materials carefully before use.
Warranty
This product been manufactured your company's specifications part your company's general electronic products. guaranteed perform according delivery specifications. other apart from general electronic equipment, cannot take responsibility product used medical devices, nuclear power control equipment, aerospace equipment, fire security systems, other applications which there direct risk human life where extremely high levels reliability required. product used above applications, will need enter into separate product liability agreement. cannot accept responsibility defect, which arise from additional manufacturing product (including disassembly reassembly), after product delivery. cannot accept responsibility defect, which arise after application strong external force product. cannot accept responsibility defect, which arise application static electricity after product passed your company's acceptance inspection procedures. When product models, service life brightness will vary According performance inverter used, leaks, etc. cannot accept responsibility product performance, reliability, defect, which arise. cannot accept responsibility intellectual property third party, which arise through application product your assembly with exception those issues relating directly structure method manufacturing product. Optrex will held responsible quality guarantee issue defect products judged Optrex-origin longer than (two) years from Optrex production 1(one) year from Optrex, Optrex America, Optrex Europe delivery which ever comes later.
DMC20481NY-LY-BAE-BKN (BK)
No.2005-0054
OPTREX CORPORATION
Page 16/16
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