NEC NL2432HC22-45A | Industrial 3.5" TFT for Uncompromising Visual Clarity
The NEC NL2432HC22-45A is a testament to engineering that prioritizes performance and reliability over fleeting trends. This 3.5-inch QVGA display is a purpose-built solution for industrial and medical applications where consistent, high-fidelity visual information is not just a feature, but a mission-critical requirement. It delivers exceptional optical performance in a compact form factor, making it an ideal choice for sophisticated Human-Machine Interfaces (HMIs), diagnostic tools, and portable instrumentation.
Key Parameters at a Glance
For engineers requiring immediate technical data, the following table summarizes the core specifications of the NL2432HC22-45A. For a comprehensive overview, you can Download the NL2432HC22-45A Datasheet.
| Parameter | Specification |
|---|---|
| Manufacturer | NEC |
| Model | NL2432HC22-45A |
| Screen Size | 3.5 inch |
| Resolution | 240(RGB)×320 [QVGA] |
| Display Technology | a-Si TFT-LCD, Transmissive |
| Luminance | 500 cd/m² (Typ.) |
| Viewing Angle | 80/80/80/80 (Typ.)(CR≥10) |
| Contrast Ratio | 800:1 (Typ.) |
| Interface Type | CMOS (1 ch, 8-bit) |
| Operating Temperature | -20 ~ 70 °C |
| Backlight | WLED |
Technical Deep Dive: The Engineering Behind the Image
Two core attributes set the NL2432HC22-45A apart in the demanding field of industrial LCD displays: its viewing angle and its luminance. These are not just numbers on a datasheet; they are direct solutions to common engineering challenges.
- Super-Fine TFT (SFT) Technology: The standout 80/80/80/80 viewing angle is achieved through NEC's SFT technology, an equivalent to In-Plane Switching (IPS). Unlike standard TN panels where colors shift and contrast collapses at off-angles, SFT ensures the image remains stable, accurate, and legible from virtually any perspective. This is critical in environments where an operator may not be directly in front of the screen, such as on a crowded factory floor or in a medical operating room.
- High Luminance and Contrast: With a typical brightness of 500 cd/m² and an 800:1 contrast ratio, this display delivers a vibrant, punchy image that cuts through ambient lighting. This high-contrast output ensures that critical data, graphical indicators, and safety warnings are clearly distinguishable, reducing the risk of misinterpretation and enhancing operator efficiency.
Application Scenarios & Value Proposition
The technical strengths of the NEC NL2432HC22-45A translate directly into tangible value across several key sectors.
- Industrial Control Panels: In complex machinery HMIs, the wide viewing angle allows multiple technicians to view status information simultaneously without crowding a single spot. The robust operating temperature range (-20 to 70°C) guarantees performance from cold-start factory floors to high-temperature processing environments.
- Medical Diagnostic Equipment: For portable ultrasound systems, patient monitors, or infusion pumps, color accuracy and viewing consistency are paramount for correct diagnosis and operation. The SFT technology of the NL2432HC22-45A provides the visual fidelity that medical professionals rely on.
- Test and Measurement Instruments: In field-service tools like network analyzers or oscilloscopes, data must be readable under varied lighting conditions. The 500-nit brightness ensures legibility, while the compact 3.5" size is perfect for handheld device integration.
Frequently Asked Questions (FAQ)
1. Is the CMOS interface on the NL2432HC22-45A difficult to integrate with modern microcontrollers?
Not at all. The 8-bit parallel CMOS interface is a well-established and straightforward standard. It is directly compatible with a wide range of MCUs that feature a parallel display interface or TFT controller. This simplicity often reduces driver development time and system complexity compared to serialized interfaces, making it an excellent choice for targeted, high-reliability systems.
2. Given its specifications, is this model a long-term viable option for new designs?
Absolutely. While new display technologies emerge, the value of a proven, stable platform like the NL2432HC22-45A cannot be overstated, especially in the industrial and medical fields. These sectors often require lengthy and expensive product certification. Designing with a component known for its long production life minimizes the risk of costly re-designs and re-certifications down the road. It represents a strategic choice for stability. For best practices on upkeep, review our guide to industrial display maintenance.
A Strategic Choice for Demanding Applications
The NEC NL2432HC22-45A is more than just a component; it is an engineering decision for reliability and long-term performance. It leverages foundational TFT-LCD and a-Si TFT (Amorphous Silicon) technologies, refined for industrial resilience. In a market focused on the next big thing, this display provides a powerful counter-argument: the enduring value of proven excellence. For projects where visual clarity, off-angle performance, and operational robustness are non-negotiable, the NL2432HC22-45A remains a premier choice. If your application demands these specifications, please contact our technical team to discuss integration support and availability.
