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
| Specification | Details |
|---|---|
| Display Format | 20 characters × 4 lines |
| Character Size | 2.96mm × 4.76mm |
| IC Compatibility | ST7066U, AIP31066, HD44780, SPLC780D |
| IC Package | COG (Chip-on-Glass) |
| Interface | 6800 4-bit / 8-bit Parallel |
| Connection | Standard Pin Header |
| Display Type | FSTN / STN (Gray/Yellow-Green/Blue) |
| Viewing Direction | 6:00 / 12:00 |
| Power Supply | 3.3V / 5.0V (Selectable) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
| Outline Dimensions | 98.00(W) × 60.00(H) × 13.20(T) mm |
| Viewing Area | 77.00 × 25.20 mm |
| Active Area | 70.40 × 20.80 mm |
| Module Construction | Industrial-grade COG package |
| Backlight Options | White, Yellow-Green, Blue, RGB |
| Current Consumption | Display: <15mA, Backlight: 20-60mA |
| Communication Speed | Up to 2MHz interface speed |
| Character Set | Full ASCII plus custom characters |
| Compliance | RoHS, 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





