The Sharp/AVC Group LJ640U34 is an 8.9-inch diagonal monochrome amber electroluminescent (EL) display panel engineered for industrial, medical, test and measurement, and legacy equipment applications. This solid-state display delivers 640 × 400 pixel resolution at 84 PPI with self-emissive technology providing 115 cd/m² typical brightness and contrast ratios exceeding 40:1. The panel operates across a wide temperature envelope, resists shock and vibration, and integrates as a direct form, fit, and function replacement in existing high-value systems.
Technical Specifications
• Display Technology: Electroluminescent (EL), monochrome amber
• Screen Diagonal: 8.9 inches
• Resolution: 640 × 400 pixels
• Pixel Pitch: 0.300 × 0.300 mm (H × V)
• Pixel Density: 84 PPI
• Brightness: 115 cd/m² (typical)
• Contrast Ratio: >40:1
• Viewing Angle: >160° (horizontal and vertical)
• Active Area: 191.9 mm (W) × 119.9 mm (H)
• Outline Dimensions: 246 mm (W) × 158 mm (H) × 26.5 mm (D)
• Aspect Ratio: 16:10
• Panel Weight: 540 g
• Vertical Frame Rate: 60 Hz
– Key Features
• Parallel data interface with 16-pin connector
• Input voltage: 5 V / 12 V (VL/VH)
• Operates 0°C to +55°C; stores -40°C to +80°C
• Landscape orientation, flat rectangular form factor
• No backlighting or liquid crystal components
– Typical Applications
• CNC machinery and process controllers
• Legacy industrial and medical equipment
• Test and measurement instrumentation
• Systems requiring sustained operation in temperature-variable environments
– Compatibility & Integration
The LJ640U34 provides direct replacement capability for original panels in existing equipment, minimizing integration effort and system downtime. Solid-state construction eliminates common failure modes associated with backlit or liquid crystal technologies.

















