EL640.200-U2: A Rugged TFEL Display for Extreme Environments
EL640.200-U2 TFEL Display for Extreme Environment Reliability
Engineered for unwavering performance where conventional displays fail, the Planar EL640.200-U2 is a Thin Film Electroluminescent (TFEL) display that delivers exceptional image quality across extreme temperatures, shock, and vibration. Its solid-state design provides a robust solution for critical applications requiring long-term operational integrity.
- Core Specifications: 640 x 200 Resolution | <1 ms Response Time | -25°C to +65°C Operating Temperature
- Key Advantages: Withstands 100 g shock, ensuring functionality in high-impact environments. Eliminates motion blur for perfect clarity of moving data.
- Intent Answered: This display is built to operate instantly and reliably in sub-zero conditions where standard LCDs would freeze or require heaters.
Download Official Datasheet (PDF)
Technical Analysis: Solid-State by Design
The core advantage of the EL640.200-U2 lies in its TFEL technology. Unlike liquid crystal displays, this panel is entirely solid-state, containing no liquid or gas. This construction is inherently rugged, allowing it to withstand a documented shock of 100 g (sawtooth, 4 ms duration). Think of it like the difference between a solid metal part and a container of water; the solid structure is intrinsically more resistant to physical stress. This makes the display immune to the kind of damage from vibration and impact that can cause failures in other display types, a critical attribute for systems deployed in mobile vehicles or heavy machinery.
Another key engineering benefit is its performance across a wide thermal range. The specified operating temperature is from -25°C to +65°C. Crucially, the display’s response time of less than 1 ms remains consistent even at the lowest temperatures. This is a significant advantage over TFT-LCD technology, where the liquid crystals can become viscous in the cold, leading to slow pixel response, ghosting, and potential readability issues until the unit warms up. The EL640.200-U2 requires no pre-heating, ensuring immediate, clear imagery upon power-on in any condition within its operational range.
Optimized Application Scenarios
The technical characteristics of the EL640.200-U2 make it a superior choice for specific demanding applications:
- Military and Avionics: Its documented tolerance for extreme shock (100 g) and vibration meets the stringent requirements for ground vehicles, naval systems, and aircraft instrumentation.
- Industrial Control Systems: The wide operating temperature range and immunity to electromagnetic interference ensure reliable operation on factory floors and in outdoor control panels.
- Medical Instrumentation: The instantaneous response time and >160° viewing angle provide the clarity and wide visibility needed for critical diagnostic and monitoring equipment.
- Transportation and Rail: The display’s resistance to constant vibration and temperature fluctuations makes it ideal for in-cabin systems in trains, buses, and marine vessels.
This display is the optimal fit for systems requiring absolute operational reliability and visual clarity in physically demanding or thermally unstable environments.
Key Specifications of the EL640.200-U2
| Display Characteristics | |
|---|---|
| Technology | Thin Film Electroluminescent (TFEL) with Integral Contrast Enhancement (ICEBrite™) |
| Resolution | 640 x 200 pixels |
| Active Area | 195 x 77 mm |
| Luminance (Typical) | 43 cd/m² (12.5 fL) |
| Contrast Ratio (Typical) | > 40:1 |
| Response Time | < 1 ms |
| Viewing Angle | > 160° (Horizontal & Vertical) |
| Environmental and Mechanical Ratings | |
| Operating Temperature | -25°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Shock Resistance | 100 g, 4 ms sawtooth |
| Vibration Resistance | 5-500 Hz, 4.41 GRMS |
| Dimensions | 259.6 x 142.0 x 17.6 mm |
Engineer’s FAQ
1. Can the EL640.200-U2 operate reliably in sub-zero temperatures?
Yes. The official datasheet specifies an operating temperature range of -25°C to +65°C. Its solid-state TFEL technology ensures immediate, full-performance operation without the need for a heater, unlike many industrial LCDs.
2. What are the key mounting considerations for this display?
The datasheet provides a mechanical outline with precise locations for its mounting holes. It is critical to mount the display without undue stress or torsion on the frame to maintain its shock and vibration integrity. Ensure the mounting surface is flat and all points are secured as per the drawing specifications.
3. How does the response time of this display impact my application?
With a response time of less than 1 millisecond, the EL640.200-U2 eliminates all motion blur and ghosting. This is crucial for applications displaying rapidly changing data, such as avionics, vehicle telemetry, or industrial process monitoring, where image smearing could lead to misinterpretation of critical information.
4. What data interface is required for the EL640.200-U2?
The display utilizes a 4-bit LCD-type interface. It accepts video data, a pixel clock, horizontal sync, and vertical sync signals. Referencing the interface connection table in the datasheet is essential for correct pinout and signal timing during system integration.
Enabling Designs for Demanding Conditions
The EL640.200-U2 provides a definitive solution for engineers developing systems that cannot compromise on display reliability. Its proven TFEL technology delivers sustained visual performance in environments far beyond the capabilities of standard displays, ensuring that critical data remains clear and accessible under the most challenging operational scenarios. For more on designing for harsh environments, consider exploring guides on vibration and shock resistance for industrial displays.