EL4836LP-ICE: High-Performance 480×360 TFEL Display Module for Extreme Environments
EL4836LP-ICE | 480×360 Electroluminescent (TFEL) Display Module
Exceptional Visibility and Thermal Stability with ICE Technology
The EL4836LP-ICE is a high-performance 480×360 pixel Thin Film Electroluminescent (TFEL) display module featuring Planar’s proprietary Integrated Contrast Enhancement (ICE) technology. This solid-state display is engineered specifically for environments where standard liquid crystal displays (LCDs) fail due to extreme temperatures or high ambient light. Unlike traditional panels, the EL4836LP-ICE provides a emissive amber output with a near-perfect 160-degree viewing angle, ensuring critical data remains readable from any perspective.
- Core Specifications: 480 x 360 Pixels | TFEL Technology | Amber Emissive Color
- Key Advantages: Eliminates motion blur via sub-1ms response times and removes the need for backlighting.
- Engineering Intent: Many engineers ask if TFEL can replace LCDs in unheated outdoor kiosks; the EL4836LP-ICE provides the definitive answer with consistent performance down to -40°C without heaters.
Download Official Datasheet (PDF)
Technical Analysis: Ruggedness Beyond Liquid Crystal Limitations
The defining technical characteristic of the EL4836LP-ICE is its solid-state construction. While standard industrial panels rely on fluid dynamics, this TFEL module operates through the electroluminescence of a thin-film phosphor layer. You can compare this to standard LCD cold-weather engineering, where liquid crystals often become sluggish or freeze entirely. In contrast, the EL4836LP-ICE maintains its instantaneous response speed regardless of the environment. Imagine a display that acts like a solid rock instead of a puddle; standard LCDs turn into “molasses” in winter, but this TFEL unit remains crisp and functional without auxiliary heating systems.
The “ICE” suffix signifies Integrated Contrast Enhancement, a hardware-level dark layer that significantly absorbs ambient light. This enhancement ensures that the 50 cd/m² luminance (typical) delivers a perceived contrast ratio that rivals much brighter backlit units. This makes the EL4836LP-ICE exceptionally well-suited for sunlight-readable applications where glare typically washes out digital information. Furthermore, the MTBF (Mean Time Between Failures) of these units often exceeds 50,000 hours, making them a preferred choice for long-lifecycle industrial programs.
Optimized Application Scenarios
The EL4836LP-ICE is uniquely positioned for sectors where display failure represents a safety or operational risk. By integrating this module, designers can adhere to strict vibration and shock resistance standards required in heavy machinery.
- Transportation Systems: Ideal for deck consoles in marine vessels or locomotives where wide viewing angles and rapid data refresh are mandatory.
- Medical Instrumentation: Perfect for life-support monitoring equipment requiring flicker-free performance and high contrast in dimmed surgical theaters.
- Military and Aerospace: Suitable for flight line testers and tactical displays due to its immunity to high-altitude pressure changes and thermal shock.
- Industrial Automation: A robust choice for oil and gas control panels located in sub-arctic or desert environments.
Best Match: Safety-critical HMIs requiring absolute reliability across a -40°C to +85°C temperature range without the complexity of heaters.
Key Technical Specifications
| Parameter Group | Specification | Value |
|---|---|---|
| Display Specs | Resolution | 480 x 360 Pixels |
| Display Specs | Active Area | 121.9 x 91.4 mm |
| Electrical | Supply Voltage (Vcc) | +5V / +12V DC |
| Environmental | Operating Temperature | -40°C to +85°C |
| Performance | Response Time | < 1 ms |
| Performance | Viewing Angle | > 160° (Vertical & Horizontal) |
Engineer FAQ
Q1: Does the EL4836LP-ICE require a separate backlight inverter?
A: No. TFEL is an emissive technology, meaning the pixels generate their own light. This simplifies the mechanical design and increases system reliability by removing the backlight as a single point of failure.
Q2: How does the “ICE” technology affect visibility in direct sunlight?
A: The Integrated Contrast Enhancement layer acts as an internal glare shield, absorbing ambient light within the display stack. This significantly reduces internal reflections, maintaining a high contrast ratio even when external light levels are high.
Q3: Can this display module handle high-vibration industrial environments?
A: Yes. Because the display is a solid-state film structure with no liquid components or fragile backlight tubes, it inherently complies with high shock and vibration specifications often required for railway and heavy industrial applications.
Professional Design Empowerment
The EL4836LP-ICE represents a sophisticated solution for engineers tasked with designing HMIs for the most punishing environmental conditions. By leveraging the unique emissive properties of TFEL and the contrast benefits of ICE technology, this module ensures that operational transparency is never compromised by sub-zero temperatures or intense lighting. It remains a benchmark for reliability in mission-critical industrial visualization.