EL640.480-AA1: 10.4-inch TFEL Display for Uncompromised Performance in Extreme Environments
Content last revised on October 21, 2025.
Engineered for Absolute Reliability and Visual Clarity
The Lumineq EL640.480-AA1 is a 10.4-inch Thin Film Electroluminescent (TFEL) display engineered for mission-critical applications where failure is not an option. It delivers exceptional visual performance with a wide operating temperature range and instantaneous response. Key specifications include: 640 x 480 Resolution | -60 to +85°C Operating Temp | <1 ms Response Time. This solid-state design ensures extreme ruggedness and a remarkably long operational lifetime. Answering a critical need for engineers designing systems for harsh conditions, the EL640.480-AA1's self-illuminating nature provides an ultra-wide viewing angle of over 179°, ensuring data is legible from any perspective without compromise. For applications demanding immediate, reliable display performance across extreme temperature shifts, the EL640.480-AA1's TFEL technology is the definitive choice.
Application Scenarios & Value
Delivering System-Level Benefits in Demanding Field Applications
The EL640.480-AA1 is specifically designed for environments where standard LCDs falter. Consider the challenge of designing an outdoor diagnostic terminal for geological surveying equipment, which must operate reliably from arctic cold to desert heat. The display must provide instant-on capability and clear readability for operators in bulky gear. The EL640.480-AA1 directly solves this problem with its extraordinary -60°C to +85°C operating temperature range, eliminating the need for complex and costly heating or cooling subsystems. This intrinsic thermal resilience not only simplifies the mechanical design and reduces power consumption but also significantly enhances the overall system's field reliability. Its sub-1ms response time ensures that critical data is displayed without motion blur or lag, a crucial factor in monitoring real-time processes in industrial control, avionics, and medical systems. What is the primary benefit of its electroluminescent design? Unmatched operational reliability across extreme temperature, shock, and vibration conditions.
Key Parameter Overview
Decoding the Specs for Enhanced Environmental Reliability
The technical specifications of the EL640.480-AA1 underscore its suitability for the most demanding industrial and military applications. The parameters below have been selected to highlight the key performance indicators for system engineers focused on durability and visual performance.
| Feature | Specification |
| Display Technology | Thin Film Electroluminescent (TFEL), self-emitting |
| Resolution | 640 x 480 pixels (VGA) |
| Operating Temperature Range | -60°C to +85°C |
| Storage Temperature Range | -60°C to +105°C |
| Response Time | < 1 ms |
| Viewing Angle | > 179° (Horizontal & Vertical) |
| Brightness | 20 cd/m² (Typical) |
| Colors | 8 colors (RGY Multicolour) |
| Signal Interface | Parallel Data (4-bit) |
Download the EL640.480-AA1 datasheet for detailed specifications and performance curves.
Technical Deep Dive
A Closer Look at TFEL Technology for Long-Term Reliability
The exceptional durability of the EL640.480-AA1 is rooted in its solid-state Thin Film Electroluminescent (TFEL) technology. Unlike liquid crystal displays, which rely on a fluid medium and organic materials that can degrade, freeze, or boil under extreme temperatures, TFEL displays are fundamentally different. Think of it like this: a TFEL panel is constructed from inorganic, solid layers. Its light-emitting mechanism is based on a phosphor layer that illuminates when a high electric field is applied. This is analogous to the robust construction of an integrated circuit, built to withstand physical stress. This all-solid-state structure inherently resists shock and vibration far better than liquid-based displays. What is the MTBF of the EL640.480-AA1? Its design ensures an extremely long lifetime, with brightness stability measured out to 100,000 hours, providing predictable performance for systems with service lives measured in decades, such as in aerospace or critical infrastructure control.
Frequently Asked Questions (FAQ)
How does the -60°C to +85°C operating temperature directly impact system design?
This extremely wide operating temperature range eliminates the need for external heaters or cooling fans that are typically required for standard LCDs in harsh environments. This simplification reduces the overall bill of materials (BOM), lowers power consumption, decreases potential points of failure, and allows for a more compact and sealed enclosure design.
What makes the 179° benefit multi-personnel environments?
The exceptionally wide viewing angle ensures that the display can be read clearly from virtually any position without color shift or loss of contrast. This is a critical safety and efficiency feature in environments like a ship's bridge, an aircraft cockpit, or a factory control room, where multiple operators may need to view the same screen from different locations simultaneously.
Strategic Considerations for Legacy and Long-Lifecycle Systems
The EL640.480-AA1 represents a strategic choice for engineers managing long-lifecycle equipment, particularly in sectors like industrial automation, military, and medical technology. Its proven TFEL technology offers a dependable upgrade path for systems that require sustained operational availability over decades. The inherent stability and resistance to burn-in, coupled with a standard VGA interface, simplify integration and recertification processes, ensuring that critical assets remain functional and supportable, thereby maximizing the return on investment and minimizing redesign costs. For more information on display technologies for industrial applications, explore our guide on TFT-LCD basics and their industrial applications or learn about designing for harsh environments from manufacturers like Beneq.
