Content last revised on November 11, 2025
KOE SP14Q002-C1 | Industrial-Grade 5.7" Monochrome LCD for Unwavering Reliability
The KOE SP14Q002-C1 is a 5.7-inch FSTN (Film-compensated Super-twisted Nematic) monochrome LCD module engineered for applications where clarity, longevity, and operational resilience are non-negotiable. It represents a cornerstone solution for industrial designers who prioritize data legibility and proven technology over color complexity. This display is not just a component; it's a commitment to long-term performance in demanding environments.
Key Product Highlights
- Exceptional Readability: Features a QVGA (320x240) resolution on a 5.7" diagonal, delivering crisp, high-contrast text and graphics essential for critical monitoring and control tasks.
- Robust Industrial Design: Built to withstand a wide operating temperature range from -20°C to 70°C, ensuring consistent performance in unconditioned factory floors, outdoor kiosks, and portable field instruments.
- Long-Life CCFL Backlight: Equipped with a replaceable Cold Cathode Fluorescent Lamp (CCFL) backlight system, rated for a typical 50,000-hour lifespan, which is crucial for long-lifecycle industrial machinery.
- Proven FSTN Technology: Offers a stable, power-efficient, and cost-effective display solution, making it a superior choice for applications where a full-color TFT is unnecessary and can introduce higher costs and power consumption.
Technical Deep Dive: Engineering for Clarity and Durability
The true value of the KOE SP14Q002-C1 is revealed in its engineering choices, which are deliberately tailored for industrial use. Two key aspects stand out: its display technology and its thermal resilience.
First, the choice of FSTN (Film-compensated Super-twisted Nematic) technology provides an inherently high Contrast Ratio and wide viewing angles for a monochrome display. Unlike standard TN displays, the added film layers correct for color dispersion, resulting in a true black-and-white display that is exceptionally clear and easy to read from various perspectives. This is critical in industrial settings where an operator may need to glance at a control panel from an off-axis position. For an in-depth look at display technologies, explore our ultimate guide to TFT LCDs, which provides context for why monochrome options like FSTN remain relevant.
Second, its wide operating temperature range is not just a specification—it's a core design principle. The ability to function flawlessly from freezing temperatures (-20°C) to high heat (70°C) is a direct result of carefully selected liquid crystal fluid and robust electronic components. This thermal robustness ensures that the SP14Q002-C1 will not suffer from the response time degradation or screen blackouts that plague lesser displays in heavy machinery or all-weather enclosures.
Key Parameters Overview
For engineers requiring quick-reference data, the following table summarizes the core specifications of the KOE SP14Q002-C1. For comprehensive details, you can download the official datasheet.
| Parameter | Specification |
|---|---|
| Model Number | SP14Q002-C1 |
| Display Technology | FSTN Monochrome LCD |
| Screen Size (Diagonal) | 5.7 inches (14.5 cm) |
| Resolution | 320 x 240 pixels (QVGA) |
| Brightness | 400 cd/m² (Typical) |
| Contrast Ratio | 24:1 (Typical) |
| Interface | 15-pin Parallel Data |
| Backlight | CCFL (Cold Cathode Fluorescent Lamp), Replaceable |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Application Scenarios & Value Proposition
The KOE SP14Q002-C1 is not a one-size-fits-all display. It is the optimal choice for specific, demanding applications:
- Industrial Control Panels & HMIs: Its high-contrast, clutter-free display is perfect for showing critical process parameters, alarms, and system status without the distraction of color. Its durability ensures it will outlast the machinery it controls.
- Medical and Laboratory Equipment: In devices like ventilators, infusion pumps, or analytical instruments, the crisp display of numerical data and simple waveforms is paramount. The SP14Q002-C1 provides this clarity with proven reliability.
- Test & Measurement Instruments: For portable oscilloscopes, spectrum analyzers, and network testers, battery life and readability in various lighting conditions are key. The power efficiency and high brightness of this module make it a perfect fit.
Frequently Asked Questions (FAQ)
1. Why choose a monochrome display like the SP14Q002-C1 over a color TFT in 2024?
While color TFTs are ubiquitous, the KOE SP14Q002-C1 excels in applications prioritizing specific performance metrics. Its advantages include lower power consumption, superior contrast for text-based information, a wider operating temperature range often found only in much more expensive TFTs, and a longer product lifecycle, which is critical for industrial equipment that remains in service for decades. It is the embodiment of "fitness for purpose."
2. Is the CCFL backlight still a viable technology?
Absolutely. While LED backlights are common, a high-quality, long-life CCFL like the one in this module offers excellent brightness uniformity and a proven track record of over 50,000 hours of operation. Furthermore, the backlight is user-replaceable, allowing for field servicing that extends the display's usable life far beyond that of integrated LED systems. This feature is a significant factor in reducing the total cost of ownership.
For projects demanding unparalleled clarity and rock-solid reliability, the KOE SP14Q002-C1 remains a premier choice. If your design requires a different set of specifications or you wish to explore our full range of industrial LCD displays, please contact our technical team for expert guidance.