The Sharp/AVC Group LM24P20 is a 5.7-inch monochrome graphic LCD module built on FSTN (Film-compensated Super-twisted Nematic) technology for industrial and commercial applications demanding high-contrast visual output. The 240 × 128 pixel display delivers black-on-white imagery with minimal color shift, addressing limitations of older STN panels. With a 20:1 contrast ratio and 50 cd/m² brightness, the LM24P20 excels at rendering critical waveforms, numerical readouts, and status indicators where data integrity is paramount. The module integrates a single CCFL backlight with inverter support and connects via an 8-bit parallel interface, enabling straightforward integration with microcontrollers and SoCs. Built for longevity and operational reliability, it serves both new designs and as a drop-in replacement for legacy industrial and medical equipment.
Technical Specifications
• Display Type: FSTN-LCD, Monochrome Graphic LCM
• Screen Diagonal: 5.7 inches
• Resolution: 240 × 128 pixels (Rectangle)
• Active Display Area: 127.16 mm (W) × 67.8 mm (H)
• Pixel Pitch: 47 PPI
• Display Mode: STN, Normally Black, Transmissive
• Contrast Ratio: 20:1 (Typical)
• Brightness: 50 cd/m² (Typical)
• Response Time: 400 ms (Typical, Tr+Td)
• Backlight: 1× CCFL with Inverter
• Interface: 8-bit Parallel
• Outline Dimensions: 167.0 mm (W) × 89.0 mm (H) × 12.0 mm (D)
• Weight: 430 g
• Operating Temperature: 0°C to 50°C
• Storage Temperature: −25°C to 60°C
– Key Features
• FSTN technology eliminates color-shift anomalies inherent in conventional STN displays
• Standard parallel interface supports integration across diverse microcontroller platforms
• CCFL backlighting with integrated inverter compatibility
• Compact 12.0 mm profile accommodates space-constrained enclosures
– Typical Applications
• Industrial process monitoring and instrumentation
• Medical diagnostic and monitoring equipment
• Waveform and signal visualization
• Numeric data and status display systems
– Compatibility & Integration
The LM24P20 is engineered for applications where monochrome rendering and operational continuity take precedence. The 8-bit parallel interface streamlines HMI development and custom integration workflows. Production ended Q4 1999.
