Beneq EL640.400-C2 FRA | Unmatched Durability & Clarity with TFEL Technology
The Beneq EL640.400-C2 FRA is not just another display; it's an engineering solution for environments where standard displays fail. Built on the foundation of Thin Film Electroluminescent (TFEL) technology, this panel delivers absolute visual clarity and extreme durability, making it the definitive choice for mission-critical applications where performance and reliability are non-negotiable.
Designed as a premier component for the most demanding industrial, medical, and military systems, the EL640.400-C2 FRA provides a stable, long-life visual interface that maintains performance across extreme temperatures, high shock, and intense vibration.
Core Advantages for System Integrators
- Extreme Environment Operation: With an exceptionally wide operating temperature range of -40°C to +85°C (with integrated heater), it thrives where liquid crystal displays would freeze or solarize.
- Superior Readability: A virtually unlimited viewing angle of over 160° combined with a crisp >40:1 contrast ratio ensures data is legible from any perspective, in any lighting condition.
- Instantaneous Pixel Response: The sub-1-millisecond response time eliminates all motion blur and ghosting, a critical feature for displaying rapidly changing data in avionics and medical monitoring.
- Built for Punishment: Its solid-state construction allows it to withstand a 100g shock and significant vibration, making it ideal for mobile machinery and field equipment.
- Unparalleled Longevity: Boasting an MTBF exceeding 100,000 hours, this display is engineered for systems with multi-decade operational lifespans.
Technical Deep Dive: The TFEL Advantage
Unlike conventional industrial LCD displays that rely on a backlight filtered through a layer of liquid crystal, the Beneq EL640.400-C2 FRA utilizes a fundamentally more robust solid-state emissive technology. Each pixel is a discrete light-emitting element, sandwiched between layers of inorganic dielectric and insulator films. This architecture is the source of its key strengths.
The emissive nature means there is no off-axis contrast shift or color inversion—what one operator sees, an observer standing beside them sees with identical clarity. Furthermore, the absence of a liquid crystal layer makes the display immune to the physical stresses that cause defects in LCDs, directly contributing to its phenomenal shock, vibration, and temperature tolerance. This is engineering for extremes, built from the atomic level up.
Key Parameters Overview
The following specifications underscore the elite performance of the EL640.400-C2 FRA. For complete integration details, you can download the full datasheet. For a comprehensive analysis for your specific application, please contact our technical team.
Parameter | Value |
---|---|
Display Technology | Thin Film Electroluminescent (TFEL) |
Resolution | 640 x 400 pixels |
Active Area | 195.1 x 121.9 mm (9.6" diagonal) |
Typical Luminance | 42 cd/m² |
Contrast Ratio | > 40:1 |
Viewing Angle | > 160° (Horizontal & Vertical) |
Response Time | < 1 ms |
Operating Temperature | 0°C to +55°C (extended -40°C to +85°C with heater) |
Shock Resistance | 100 g, 6 ms, half sine wave |
Interface | 4-bit LCD Type (L, F, D, C) |
You can review the complete specifications here: Download the EL640.400-C2 Datasheet.
Frequently Asked Engineer Questions (FAQ)
Why choose a monochrome TFEL display over a modern full-color TFT?
The choice is driven by application requirements. While TFTs offer color and high brightness, the EL640.400-C2 FRA is selected when operational failure is not an option. Its strengths lie in its intrinsic ruggedness, extreme temperature immunity, and perfect viewing ergonomics. For critical control systems in aerospace, defense, and heavy industry, these factors far outweigh the need for color, ensuring data is always available and always readable.
Is this panel a suitable drop-in replacement for older EL displays?
Absolutely. This model is frequently used as a form-fit-function replacement for legacy Planar, Finlux, and other EL displays used in equipment that is still operationally sound. Upgrading to the Beneq EL640.400-C2 FRA can extend the life of valuable assets by replacing a key component that may be nearing its end-of-life, without requiring a complete system redesign.