Content last revised on November 15, 2025
NL6448BC26-01: 8.4-inch VGA Industrial TFT-LCD Module
Engineered for sustained clarity and operational integrity in demanding industrial environments, the NEC NL6448BC26-01 is a robust 8.4-inch color TFT-LCD module. Its top specifications include a 640x480 VGA resolution, 400 cd/m² brightness, and a broad operating temperature range of -10 to +70°C. This component delivers exceptional mechanical stability and long-term visual consistency. For engineers wondering if this display can function in uncontrolled settings, its wide thermal performance envelope is specifically designed to ensure reliability without requiring auxiliary heating or cooling systems, directly addressing a critical design challenge for field-deployed equipment.
Industry Insights & Strategic Advantage
Strategic Value in Long-Lifecycle Systems
In sectors like industrial automation, medical diagnostics, and transportation, equipment lifecycles often exceed a decade. The NL6448BC26-01 addresses this reality by integrating features that prioritize long-term reliability over cutting-edge resolution. Its specified 50,000-hour backlight half-life translates directly to reduced maintenance intervals and a lower total cost of ownership. This focus on durability makes it a strategic component choice for systems where validation, certification, and field service are significant cost drivers, ensuring a stable HMI platform for the entire operational life of the host equipment.
Key Parameter Overview
Engineering Specifications for Robust Designs
The technical specifications of the NL6448BC26-01 are tailored for system integrators developing human-machine interfaces (HMIs) for challenging conditions. The parameters below provide a factual basis for design evaluation.
| Display Characteristics | |
|---|---|
| Screen Size | 8.4 inches (21 cm) |
| Resolution | 640 (RGB) x 480 [VGA] |
| Display Technology | a-Si TFT-LCD, Transmissive |
| Luminance | 400 cd/m² (Typical) |
| Contrast Ratio | 450:1 (Typical) |
| Viewing Angle | 60/60/50/55 (Min) (CR≥10) (L/R/U/D) |
| Surface Treatment | Anti-glare |
| Electrical & Interface | |
| Interface Type | LVDS (1 ch, 6-bit), 20 pins |
| Power Supply | 3.3V (Typical) |
| Mechanical & Environmental Resilience | |
| Operating Temperature | -10 ~ 70 °C |
| Storage Temperature | -20 ~ 80 °C |
| Vibration Resistance | 14.7 m/s² (1.5 G) |
| Shock Resistance | 294 m/s² (30 G) |
| Backlight System | CCFL with a 50,000-hour lifetime (Typical) |
For detailed electrical characteristics and interface timing, please refer to the official component datasheet.
Technical Deep Dive
A Deconstruction of Resilient Visual Performance
The NL6448BC26-01's performance is founded on a combination of deliberate design choices aimed at resilience. Its 400 cd/m² luminance, coupled with an anti-glare surface, ensures high legibility in the variable lighting typical of factory floors or field environments. This is a critical factor in minimizing operator error and enhancing workplace safety. Furthermore, its mechanical specifications for shock and vibration are not merely checklist items; they are essential for long-term survival in mobile applications or installations adjacent to heavy machinery. What is the key benefit of its specified shock resistance? It ensures the integrity of internal connections and the liquid crystal structure during accidental impacts or transportation.
The specified shock resistance of 294 m/s² can be compared to the G-forces experienced during a sudden stop in a vehicle. It's an engineering metric that quantifies the display's ability to withstand abrupt jolts without damage to its internal structure, ensuring the delicate alignment of the TFT glass and backlight assembly remains intact. For applications where equipment is moved frequently, such as portable diagnostic tools, this robustness is a primary enabler of a long service life. Further details on mechanical design can be explored in resources covering engineering for extreme environments.
Intra-Series Comparison & Positioning
Positioning within the Industrial VGA Display Landscape
Within the broader market of 8.4-inch VGA displays, the NEC NL6448BC26-01 carves out a specific niche. While newer displays may offer higher resolutions, this model's value proposition is its balance of established technology, proven reliability, and robust environmental specifications. It serves as a direct-fit or mechanically compatible display for a vast installed base of industrial machinery and instrumentation that was originally designed around the VGA standard. Its LVDS interface provides a common electrical connection point, simplifying integration for both new designs and legacy system upgrades. For systems that do not require HD resolution but place a premium on operational uptime and component longevity, this display presents a well-documented and dependable solution. A related model, the NL6448BC20-30, offers different interface or performance characteristics for varied integration requirements.
Application Scenarios & Value
Deployment Arenas for High-Reliability HMIs
The specific combination of features in the NL6448BC26-01 makes it well-suited for several key industrial and commercial applications. The design prioritizes operational availability, making it a strong candidate for systems where display failure can lead to significant downtime or safety concerns.
- Industrial Control Panels: In manufacturing automation, CNC machines, and process control systems, this display provides a clear, reliable operator interface that can withstand the vibrations and temperature fluctuations of a factory floor.
- Medical Diagnostic Equipment: For devices like patient monitors or analysis instruments that require consistent, long-term performance and are subject to stringent reliability standards, its stable backlight and robust build are advantageous.
- Test and Measurement Instruments: Portable or benchtop equipment used in field service or laboratory settings benefits from the display's shock resistance and clear visibility under diverse lighting conditions.
- Transportation Systems: Suitable for in-vehicle information displays in logistics or public transit, where the unit must endure constant vibration and a wide range of ambient temperatures. Exploring the differences between industrial and consumer displays can provide further context on these applications.
For legacy systems requiring a robust 640x480 display with a proven 50,000-hour backlight, the NL6448BC26-01 offers a mechanically sound integration path.
Frequently Asked Questions for the NL6448BC26-01
1. What are the primary advantages of the LVDS interface on the NL6448BC26-01?The Low-Voltage Differential Signaling (LVDS Interface) offers two main engineering benefits: high noise immunity and low electromagnetic interference (EMI). This is particularly valuable in industrial environments where electrical noise from motors and power lines can interfere with display signals. Its differential nature helps preserve signal integrity over longer cable runs between the controller board and the display module.
2. How does the -10 to +70°C operating temperature range impact system design?This wide operating range allows the display to be integrated into equipment intended for use in non-climate-controlled environments, such as outdoor kiosks, unheated warehouses, or vehicle cabins. It reduces system complexity and cost by potentially eliminating the need for dedicated heaters or fans that would otherwise be required to keep a commercial-grade display within its narrower operating limits.
3. Is the CCFL backlight user-replaceable?The datasheet for the NL6448BC26-01 specifies the backlight as an integrated component. While the CCFL tube has a long typical lifetime of 50,000 hours to half-brightness, it is not designed for field replacement by the end-user. The entire display module is typically treated as the field-replaceable unit (FRU) to ensure calibrated performance and maintain mechanical integrity.
Your Inquiry for the NL6448BC26-01
To facilitate your technical evaluation and procurement process for the NL6448BC26-01 TFT-LCD module, we invite you to submit a request for quotation (RFQ). Please provide your project requirements, including quantity and desired timeline, to receive a detailed response from our technical sales team. We are equipped to provide the necessary documentation to support your design-in process and sourcing decisions.
