Content last revised on November 15, 2025
DMF50260NFU-FW-31: High-Clarity 5.7" VGA Monochrome LCD Module
Introduction to the DMF50260NFU-FW-31
The DMF50260NFU-FW-31 is an industrial monochrome display engineered for exceptional clarity and simplified integration into demanding Human-Machine Interface (HMI) applications. Leveraging FSTN technology, it delivers sharp, high-contrast visuals essential for precision tasks. Key specifications include: 640x480 VGA Resolution | FSTN (Film Super-Twisted Nematic) Display | Integrated CCFL Backlight. This module provides superior readability and robust construction. It directly addresses the need for a reliable, easy-to-read graphic display for industrial control panels where data integrity is paramount. For systems requiring a proven, no-nonsense display with excellent optical performance for complex data visualization, the DMF50260NFU-FW-31 is a benchmark solution.
Application Scenarios & Value
System-Level Benefits in Industrial and Medical HMIs
The DMF50260NFU-FW-31 is optimized for environments where clear and immediate data interpretation is critical. Its robust design and high-performance display technology make it a prime candidate for a range of specialized applications.
- Industrial Control Panels: The 640x480 VGA resolution allows for the display of complex schematics, process monitoring data, and detailed user menus on factory automation equipment, reducing operator error and improving efficiency.
- Test and Measurement Equipment: In oscilloscopes, spectrum analyzers, and other diagnostic tools, the high contrast of the FSTN display ensures that waveforms and numerical readouts are crisp and unambiguous, even under varied ambient lighting.
- Medical Instrumentation: Suited for patient monitoring systems, infusion pumps, and diagnostic devices that require a stable, clear interface for displaying vital statistics and operational parameters without the complexity of color. What is the primary benefit of its FSTN technology? It provides superior contrast and wider viewing angles compared to standard STN displays.
The core value of the DMF50260NFU-FW-31 lies in its ability to reduce system design complexity. With an integrated CCFL backlight and associated inverter, engineers can bypass the need for separate lighting component sourcing and integration, streamlining the development process and enhancing the reliability of the final assembly. For applications demanding different display technologies, the KCG057QV1DB-G000 offers a color alternative.
Key Parameter Overview
Decoding the Specifications for HMI Design Integrity
The technical specifications of the DMF50260NFU-FW-31 are foundational to its performance in demanding applications. The following table highlights key parameters and their direct engineering implications.
| Parameter | Value | Engineering Value & Interpretation |
|---|---|---|
| Display Technology | FSTN (Film Super-Twisted Nematic) | Delivers a significant boost in contrast and viewing angle over older STN technology. Think of it as adding a polarizing filter to sunglasses; it cuts glare and sharpens the view, ensuring text and graphics are highly legible from multiple operator positions. |
| Resolution | 640 x 480 Pixels (VGA) | Provides sufficient pixel density on a 5.7-inch screen to render fine-lined graphics, detailed icons, and extensive text without appearing crowded or pixelated. This is crucial for creating intuitive and data-rich user interfaces. |
| Active Area | 115.18(W) x 86.38(H) mm | Defines the usable screen real estate. This standard dimension allows for straightforward mechanical integration into existing panel cutouts designed for 5.7" displays. |
| Backlight System | CCFL with Inverter | An all-in-one solution that provides bright, uniform illumination across the entire display. The integrated inverter simplifies the power supply design, requiring only a standard DC input and removing backlight driver complexity. |
| Operating Temperature | 0°C to +50°C | Ensures reliable display operation within enclosed, temperature-controlled industrial environments like control rooms and laboratories. |
| Overall Dimensions | 167(W) x 109(H) x 11(D) mm | Provides the critical mechanical footprint for enclosure design and space allocation within the final product assembly. |
Technical Deep Dive
Understanding the FSTN and Integrated Backlight Advantage
The selection of FSTN technology in the DMF50260NFU-FW-31 is a deliberate engineering choice aimed at maximizing readability. Unlike basic STN displays which can suffer from color shifting and narrow viewing cones, FSTN incorporates an additional retardation film. This film corrects the optical path of light passing through the liquid crystal, resulting in a true black-and-white display with minimal color interference. The practical benefit is a stable, high-contrast image that remains clear even when viewed from an angle, a common scenario in industrial settings where an operator might be monitoring multiple machines.
Furthermore, the integration of the Cold Cathode Fluorescent Lamp (CCFL) backlight and its corresponding power inverter is a key feature for system integrators. How does an integrated backlight simplify design? It presents a single, pre-qualified module instead of three separate components (display, lamp, inverter) that would otherwise require individual sourcing, mechanical mounting, and electrical integration. This approach not only accelerates the design cycle but also mitigates risks associated with component compatibility and backlight uniformity, ensuring consistent performance from unit to unit.
Frequently Asked Questions (FAQ)
What is the primary application for a monochrome VGA display like the DMF50260NFU-FW-31?
Its primary applications are in industrial machinery controls, medical diagnostic equipment, and test instruments where the clarity and precision of data are more critical than color representation.
Is the CCFL backlight user-replaceable?
While technically possible for skilled technicians, the CCFL backlight is designed as an integral part of the module for long-life operation. It is generally not considered a field-serviceable unit for the end-user.
What kind of data interface does this module use?
The DMF50260NFU-FW-31 typically utilizes a parallel digital interface for display data, which is standard for this class of graphic LCD module, enabling direct connection to a wide range of microcontrollers and display controllers.
How does FSTN technology compare to modern TFT displays?
FSTN is a passive-matrix technology known for its excellent contrast in monochrome applications and lower power consumption compared to early color TFTs. While color TFT-LCD panels offer full-color video-rate capability, FSTN provides a highly effective and cost-efficient solution for applications where complex graphics and text must be displayed with maximum sharpness and clarity.
Can this display be used in outdoor environments?
With a maximum operating temperature of 50°C and a standard brightness level, this module is intended for indoor or enclosed industrial environments. It is not designed for direct sunlight readability or exposure to extreme temperatures and weather conditions.
Engineering Perspective on Component Selection
From an engineering standpoint, selecting a component like the DMF50260NFU-FW-31 is a strategic decision rooted in reliability and fitness-for-purpose. In projects where the graphical user interface must be clear, unambiguous, and dependable over a long operational life, a high-quality monochrome VGA module often presents a lower-risk, higher-value solution than a color alternative. This display's proven FSTN technology and integrated design provide a stable platform, allowing development teams to focus on software and system functionality rather than wrestling with display integration and performance variables.
