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OPTREX DMF50081NB-FW LCD Display

DMF50081NB-FW: 5.7" QVGA FSTN display. Delivers high-contrast clarity and proven CCFL reliability for demanding industrial and medical HMIs.

· Categories: LCD Display
· Manufacturer: OPTREX
· Price: US$
· Date Code: 2024+
. Available Qty: 243
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DMF50081NB-FW Specification

DMF50081NB-FW | High-Contrast Monochrome Display for Critical Data Visualization

The DMF50081NB-FW is a 5.7-inch QVGA monochrome display engineered for applications where data clarity, reliability, and performance under demanding industrial conditions are non-negotiable. Far more than just a screen, it is a foundational component for building robust Human-Machine Interfaces (HMIs) in medical, industrial, and measurement sectors. Its design prioritizes unambiguous readability, ensuring that critical information is conveyed without distraction or misinterpretation.

Technical Deep Dive: The Engineering Behind Superior Clarity

  • Film-Compensated STN (FSTN) Technology: The core of the DMF50081NB-FW's performance lies in its FSTN architecture. Unlike standard STN displays that can suffer from color shifting, the DMF50081NB-FW incorporates a retardation film that corrects for optical dispersion.

    Application Value: This results in a truly black-and-white, high-contrast output. For an engineer designing a medical ventilator or a process controller, this eliminates the visual ambiguity that could lead to critical errors. The data is presented as it should be: clear, sharp, and absolute.

  • Integrated CCFL Backlight with Proven Longevity: While LED backlights are common, the Cold Cathode Fluorescent Lamp (CCFL) in this module is a deliberate choice for long-life applications. CCFL technology is mature, with a well-documented and predictable performance curve.

    Application Value: For capital equipment expected to operate for a decade or more, this proven reliability is a significant asset. It minimizes the risk of premature backlight failure, reducing maintenance calls and total cost of ownership for end-users. Learn more about the differences in our guide to TFT-LCD technologies.

Key Technical Parameters at a Glance

ParameterValue
ModelDMF50081NB-FW
Display Size5.7 inch
Resolution320 x 240 (QVGA)
Display TechnologySTN (Super-Twisted Nematic), Negative, Transmissive
BacklightCCFL
Outline Dimensions167(W) x 109(H) x 11(D) mm
Active Area115.18(W) x 86.38(H) mm
Contrast Ratio (Typ.)30:1

For a complete list of specifications, please refer to the official DMF50081NB-FW Datasheet.

Application-Specific Value: Solving Real-World Challenges

The true measure of a component is its performance in the field. The DMF50081NB-FW is not a general-purpose display; it is a specialist tool for specific challenges:

  • Medical Monitoring Systems: In environments like patient monitoring or infusion pumps, displaying vital signs and dosage information with absolute clarity is paramount. The high contrast of the DMF50081NB-FW ensures that healthcare professionals can read critical data instantly, even from an angle or in variable lighting.
  • Industrial Process Control: On the factory floor, this display provides a rock-solid HMI for PLCs and machine controllers. Its robust construction and clear alphanumeric/graphical output allow operators to monitor machine status, input commands, and respond to alarms with confidence.
  • Test and Measurement Instruments: For oscilloscopes, spectrum analyzers, and other precision equipment, the display is the primary user interface. The DMF50081NB-FW renders waveforms and measurement data without the color artifacts of some displays, ensuring accurate engineering analysis.

Selection Guidance: When to Choose Monochrome STN over Color TFT

In today's market, engineers often face a choice between monochrome STN displays like the DMF50081NB-FW and modern color TFT-LCDs. The decision hinges on the application's core requirements.

  • Choose the DMF50081NB-FW for: Legacy system upgrades where it serves as a direct, form-fit-function replacement. It's also the superior choice for applications where the primary goal is displaying critical data, setpoints, or status alerts, and color would be a distraction rather than a benefit. Its simpler drive requirements can also streamline system design.
  • Consider a Color TFT for: Applications requiring complex graphical user interfaces (GUIs), video playback, or where color-coding is essential for conveying information (e.g., color-coded warning systems).

Understanding these trade-offs is key to designing an effective and cost-efficient industrial HMI. For a deeper portfolio view, explore our full range of industrial LCDs or contact our technical team to discuss your specific project needs.

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