COG 20×4 Character LCD Display Module | High-Capacity Ultra-Reliable Industrial Display

Professional COG 20×4 Character LCD Module featuring 20×4 high-density display, Chip-on-Glass reliability, ST7066U/AIP31066/HD44780/SPLC780D compatibility, 6800 parallel interface, and industrial temperature range (-20°C to +70°C). 3.3V/5V operation, immediate stock.

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COG 20x4 Character LCD Display Module | High-Capacity Ultra-Reliable Industrial Display
COG 20×4 Character LCD Display Module | High-Capacity Ultra-Reliable Industrial Display

Professional-Grade High-Density Display Solution
The COG 20×4 Character LCD Module delivers exceptional information density with industrial-grade reliability through advanced Chip-on-Glass technology. Featuring a generous 20×4 character format with large 2.96×4.76mm characters, this display provides maximum data visibility in a compact footprint. Perfect for complex control panels, diagnostic equipment, and sophisticated user interfaces requiring extensive information display.

🚀 PREMIUM FEATURES:

  • ✅ High Information Density – 20×4 characters for maximum data display
  • ✅ COG Reliability – Chip-on-Glass construction for industrial durability
  • ✅ Multiple IC Compatibility – ST7066U, AIP31066, HD44780, SPLC780D
  • ✅ Dual Interface Options – 6800 4-bit/8-bit Parallel interface
  • ✅ Wide Voltage Range – 3.3V/5.0V operation
  • ✅ Immediate Stock – Ready for rapid deployment

Technical Specifications

SpecificationDetails
Display Format20 characters × 4 lines
Character Size2.96mm × 4.76mm
IC CompatibilityST7066U, AIP31066, HD44780, SPLC780D
IC PackageCOG (Chip-on-Glass)
Interface6800 4-bit / 8-bit Parallel
ConnectionStandard Pin Header
Display TypeFSTN / STN (Gray/Yellow-Green/Blue)
Viewing Direction6:00 / 12:00
Power Supply3.3V / 5.0V (Selectable)
Operating Temperature-20°C to +70°C
Storage Temperature-30°C to +80°C
Outline Dimensions98.00(W) × 60.00(H) × 13.20(T) mm
Viewing Area77.00 × 25.20 mm
Active Area70.40 × 20.80 mm
Module ConstructionIndustrial-grade COG package
Backlight OptionsWhite, Yellow-Green, Blue, RGB
Current ConsumptionDisplay: <15mA, Backlight: 20-60mA
Communication SpeedUp to 2MHz interface speed
Character SetFull ASCII plus custom characters
ComplianceRoHS, Industrial Standards

Key Features

1. Advanced COG Technology Excellence

  • Industrial Reliability: Chip-on-Glass eliminates connector failure points
  • Enhanced Durability: Superior resistance to vibration and thermal stress
  • Compact Footprint: 98×60mm design optimizes panel space utilization
  • Improved Optical Clarity: Reduced parallax, sharper character definition
  • Long Service Life: 100,000+ hours MTBF for continuous operation

2. High-Capacity Information Display

  • Maximum Character Density: 80-character display capacity
  • Large Character Size: 2.96×4.76mm for excellent readability
  • Multi-Line Flexibility: 4 independent lines for organized data presentation
  • Custom Character Support: 8 user-defined character spaces
  • International Character Sets: Multiple language support options

3. Professional Interface Options

  • 6800 Parallel Interface: Industry-standard 4-bit/8-bit compatibility
  • Multiple Controller Support: ST7066U, AIP31066, HD44780, SPLC780D
  • High-Speed Communication: Up to 2MHz data transfer capability
  • Flexible Configuration: Software-selectable 4-bit or 8-bit mode
  • Standard Pin Header: Robust 0.1″ pitch connection system

4. Industrial-Grade Performance

  • Extended Temperature Range: Certified -20°C to +70°C operation
  • Dual Voltage Operation: 3.3V and 5.0V compatibility
  • Wide Viewing Angles: Optimized for 6:00 and 12:00 viewing
  • Environmental Resistance: Protected against humidity and contaminants
  • EMI Performance: Designed for electromagnetic compatibility

Competitive Advantages (Why This Is Your Best Choice)

🎯 FOR INDUSTRIAL CONTROL SYSTEMS:

  • Highest reliability COG construction – No field failures
  • 80-character capacity – Complete status display
  • Industrial temperature range – Factory floor ready

🎯 FOR MEDICAL & LAB EQUIPMENT:

  • Large 2.96mm characters – Perfect for data-heavy displays
  • Multiple controller compatibility – Easy system integration
  • Dual voltage operation – Flexible power design

🎯 FOR PROFESSIONAL DEVELOPERS:

  • Four industry-standard controllers – Maximum compatibility
  • 6800 parallel interface – Fast and reliable communication
  • Plug-and-play integration – Rapid prototyping enabled

Target Applications

🏭 Industrial Automation (PRIMARY MARKET)

  • CNC machine control interfaces
  • PLC programming and monitoring terminals
  • SCADA system operator panels
  • Industrial process control displays

⚕️ Medical & Laboratory Equipment

  • Diagnostic equipment user interfaces
  • Laboratory analyzer display systems
  • Medical imaging equipment controls
  • Patient monitoring system displays

🔬 Test & Measurement Instruments

  • Oscilloscope and analyzer interfaces
  • Calibration equipment control panels
  • Data acquisition system displays
  • Scientific research equipment interfaces

🏢 Commercial & Professional Systems

  • Telecommunications equipment displays
  • Network equipment monitoring panels
  • Audio/visual control system interfaces
  • Professional instrument control displays

🚗 Automotive & Aerospace

  • Diagnostic and testing equipment
  • Avionics system interfaces
  • Vehicle testing and calibration tools
  • Transportation control systems