DMF-50262NF-FW-ME | High-Contrast FSTN Monochrome Display for Industrial HMIs
The DMF-50262NF-FW-ME is an industrial-grade monochrome graphic LCD module engineered for applications where data clarity, operational robustness, and long-term reliability are non-negotiable. It delivers exceptional performance in a wide range of human-machine interfaces (HMIs), from factory floor control panels to specialized test and measurement equipment.
Core Features at a Glance
- Superior Readability: Utilizes Film-compensated Super-twisted Nematic (FSTN) positive, transflective technology to deliver a crisp, high-contrast black-on-white display.
- Industrial-Grade Durability: Built with a wide operating temperature range (-20°C to +70°C) and a robust construction to withstand the rigors of demanding environments.
- Efficient LED Backlight: Integrates a long-life white LED backlight, offering superior longevity and lower power consumption compared to legacy CCFL systems.
- Optimized Resolution: The 240x64 dot matrix is perfectly suited for displaying critical system parameters, waveforms, and text-based menus with excellent clarity.
Key Technical Specifications
Engineers require precise data for successful integration. The following table outlines the critical performance metrics of the DMF-50262NF-FW-ME module.
| Parameter | Specification |
|---|---|
| Part Number | DMF-50262NF-FW-ME |
| Display Technology | FSTN (Film Super-twisted Nematic), Positive, Transflective |
| Resolution | 240 x 64 Dots |
| Outline Dimensions (W x H x D) | 180.0 x 65.0 x 11.0 mm |
| Active Area (W x H) | 132.0 x 39.0 mm |
| Backlight System | White LED with >50,000hr Half-Life |
| Interface | 8-bit Parallel |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Application Scenarios & Engineering Value
The design of the DMF-50262NF-FW-ME directly addresses the pain points of specific industrial applications, making it more than just a component—it's a solution.
- Industrial Control Panels: In manufacturing and process control, unambiguous data is paramount. The high Contrast Ratio of the FSTN display ensures that operators can read set-points, alarms, and status messages instantly, even under suboptimal lighting conditions.
- Test and Measurement Equipment: For devices like oscilloscopes, network analyzers, and power meters, this display provides a stable and reliable interface for rendering critical measurements and graphical data. Its proven technology is ideal for products with long design-in and service life cycles.
- Medical Diagnostic Devices: In portable patient monitors or lab equipment, the sharp, clear text and graphic capability is crucial for displaying vital signs and results accurately. The LED backlight provides instant-on performance without the warm-up time of older technologies. For more insights on display upkeep in sensitive environments, see our guide on industrial display maintenance.
Technical Deep-Dive: Why FSTN and LED Still Dominate
While full-color TFTs are common, the deliberate choice of FSTN technology in the DMF-50262NF-FW-ME offers distinct engineering advantages. FSTN adds a retardation film to the standard STN cell structure, which neutralizes the color shift and produces a true black-and-white display. This results in a significantly better Viewing Angle and sharpness, which is often more important for data-centric HMIs than color capability.
Furthermore, pairing this with a modern white LED backlight creates a highly efficient system. Unlike CCFLs, LEDs do not require a high-voltage AC inverter, simplifying the power supply design and reducing a potential source of EMI. This combination of proven display technology and modern illumination makes it one of the most reliable industrial LCD displays available for its class.
Frequently Asked Engineering Questions
Is the DMF-50262NF-FW-ME a good choice for brand-new designs?Absolutely. While it is a mature and proven technology, its value proposition remains strong for any application where extreme reliability, low power draw, and crystal-clear data presentation are the primary design drivers. It is an ideal drop-in replacement for legacy systems and a smart choice for new designs that don't require the complexity of full-color video. Understanding the full landscape of modern displays can be helpful; explore our ultimate guide to TFT LCDs for comparison.
What does "transflective" mean for my application?Transflective technology is a powerful hybrid. In bright ambient light (e.g., outdoors), the display reflects light back to the viewer, making it readable without the backlight. In low-light or dark conditions, the internal LED backlight transmits light through the display. This dual-mode operation ensures excellent readability across all environments while conserving power.
What are the main driver/controller considerations for this module?This module typically uses an industry-standard controller (like the Toshiba T6963C or compatible) and interfaces via an 8-bit parallel data bus. A key integration point for FSTN displays is the requirement for a negative voltage supply for LCD bias (VEE). Many modern microcontrollers or power management ICs have built-in charge pumps to generate this. For specific driver recommendations or integration support, please contact our technical team.
