Finlux MD640.400-52 | High-Performance EL Display for Demanding Industrial Environments
The Finlux MD640.400-52 is an electroluminescent (EL) display engineered for applications where clarity, reliability, and performance under challenging conditions are non-negotiable. This is not a standard LCD; it is a legacy-compatible, high-performance visualization component designed for long-term service in critical industrial, medical, and instrumentation systems. Its robust, solid-state construction delivers exceptional visual performance that remains stable across a wide operational spectrum.
Product Highlights: The EL Advantage
Engineered for mission-critical systems, the MD640.400-52 provides distinct advantages over conventional display technologies:
- Exceptional Readability: Features an emissive display technology that delivers an extremely high contrast ratio and near 180° viewing angle, ensuring data is legible from any perspective without color or contrast shift.
- Unmatched Durability: Its solid-state design provides inherent resistance to mechanical shock and vibration, a critical requirement for HMIs in heavy machinery, transportation, and industrial automation.
- Rapid Response Time: With microsecond-level pixel response times, the display renders moving data and waveforms without motion blur or ghosting, ideal for real-time process monitoring and instrumentation.
- Legacy System Compatibility: Serves as a form, fit, and function replacement for aging or failed EL displays in a wide range of established equipment, extending the life of valuable assets.
Technical Deep Dive: Why Electroluminescence Excels
Unlike modern TFT-LCD panels, which are transmissive and rely on a separate backlight filtered through a liquid crystal layer, the MD640.400-52 utilizes emissive technology. Each pixel in its 640x400 matrix is an individual light source. This fundamental difference is the source of its superior performance. The absence of a liquid crystal layer eliminates temperature-dependent performance degradation and viewing angle limitations. Furthermore, its thin-film, solid-state structure, built on a rugged glass substrate, provides a level of structural integrity that is difficult to achieve with complex, multi-layered LCD assemblies. This makes it an inherently more robust solution for environments where physical stress is a constant factor.
Application Scenarios & Engineering Value
The unique characteristics of the Finlux MD640.400-52 make it the definitive choice for specific, demanding applications:
- Industrial CNC and PLC Controllers: In machine shops and factory floors, where operators need to view critical machine status from various positions, the display's wide viewing angle is indispensable. Its immunity to the constant vibration of milling machines and presses ensures long-term operational reliability.
- Medical Monitoring Equipment: For patient monitors and diagnostic instruments, unambiguous data display is paramount. The high contrast and blur-free response ensure that vital signs and waveforms are presented with absolute clarity, supporting critical decision-making.
- Test and Measurement Instruments: In oscilloscopes, spectrum analyzers, and other precision instruments, the ability to render fast-changing signals without artifacts is key. The MD640.400-52's rapid response time guarantees an accurate visual representation of the measured data.
For engineers maintaining these systems, this display isn't just a component; it's a guarantee of continued performance. To explore other display solutions for extreme environments, see our guide on engineering reliable displays for heavy machinery.
Key Technical Specifications
For detailed integration information, please refer to the official component datasheet. Download the MD640.400-52 Datasheet.
| Parameter | Value |
|---|---|
| Display Technology | Thin Film Electroluminescent (TFEL) |
| Resolution | 640 x 400 Pixels |
| Active Display Area | 195.18 mm x 121.98 mm (9.1" diagonal) |
| Pixel Pitch | 0.305 mm x 0.305 mm |
| Luminance (Typical) | 55 cd/m² |
| Contrast Ratio (Typical) | >40:1 |
| Operating Temperature | 0°C to +55°C |
| Interface | 4-bit Parallel Data Interface |
Frequently Asked Questions (FAQ)
Why choose this EL display over a modern industrial LCD?
The primary reasons are MRO (Maintenance, Repair, and Operations) and specific performance needs. The MD640.400-52 is an ideal drop-in replacement for existing systems designed around EL technology, avoiding costly system redesign. For applications requiring the absolute best viewing angle and extreme vibration resistance, its solid-state physics still offer a performance edge over many industrial LCD displays.
What are the main integration considerations for this display?
Engineers must account for its specific power requirements, including a +5V logic supply and a high-voltage bias (typically -240V, VEE) to drive the EL panel. The interface is a parallel digital standard, distinct from the LVDS interface common in modern displays. Careful review of the datasheet is essential for successful integration or replacement.