NEC NL8048BC19-02C | Industrial-Grade 7.0" WVGA TFT Display for Demanding HMI Applications
The NEC NL8048BC19-02C is a 7.0-inch WVGA TFT-LCD module engineered specifically for industrial applications that demand reliability, visual clarity, and long-term performance. It represents a cornerstone solution for Human-Machine Interface (HMI) developers, medical device manufacturers, and test equipment engineers who require a proven display technology that balances performance with operational stability. This module is not just a component; it's a foundation for building robust and dependable user interfaces.
- Optimal Resolution: 800 x 480 (WVGA) resolution provides a sharp, clear canvas for graphical user interfaces, data visualization, and control system readouts.
- Superior Visuals: A high contrast ratio and brightness level ensure excellent legibility in typical indoor and industrial lighting conditions.
- Industrial-Grade Durability: Designed with a wide operating temperature range, it guarantees stable performance in environments where consumer-grade displays would fail.
- Proven Interface: Utilizes a standard LVDS interface, ensuring high noise immunity and simplified integration with a wide range of single-board computers and display controllers.
Key Technical Specifications
Engineers require precise data for system design and integration. The following table outlines the critical performance parameters of the NL8048BC19-02C, providing a snapshot for evaluation and planning.
Parameter | Value |
---|---|
Screen Size | 7.0 inches (Diagonal) |
Resolution | 800 (RGB) × 480 [WVGA] |
Brightness | 400 cd/m² (Typ.) |
Contrast Ratio | 1000:1 (Typ.) |
Viewing Angle | 88/88/88/88 (Typ.)(CR≥10) |
Display Technology | a-Si TFT (Amorphous Silicon), Normally Black |
Interface | LVDS (1 ch, 6/8-bit), 20 pins Connector |
Operating Temperature | -20°C to +70°C |
Backlight | White LED (WLED) |
Engineering Deep Dive: The Core Technologies
The reliability of the NL8048BC19-02C is rooted in its deliberate technology choices. The use of Amorphous Silicon (a-Si) TFT technology is a strategic decision for industrial applications. While newer technologies exist, a-Si offers an unparalleled track record of stability, thermal robustness, and manufacturing maturity. This translates directly into a longer product lifecycle and supply chain reliability, critical factors for industrial equipment with service lives measured in decades, not years. For a comprehensive overview of display technologies, explore The Ultimate Guide to TFT-LCD.
Furthermore, its LVDS Interface is the industry standard for a reason. In electrically noisy environments typical of factory floors or medical facilities, the differential signaling of LVDS provides excellent immunity to common-mode noise and reduces electromagnetic interference (EMI). This simplifies the engineer's task of achieving system-level EMC compliance and allows for longer cable runs between the display and the main processing unit without signal degradation.
Application Scenarios & Value Proposition
The true value of an industrial component is measured by its performance in the field. The NL8048BC19-02C excels in several key domains:
- Industrial Automation & HMIs: In a manufacturing setting, this display provides a clear, reliable window into machine processes. Its wide operating temperature range ensures it functions flawlessly from a cold startup to the peak heat of a production run.
- Medical Diagnostic Equipment: For non-diagnostic viewing applications like patient monitoring systems or equipment control panels, its consistent color reproduction and wide viewing angles ensure that data is clearly legible to medical staff from various positions.
- Test & Measurement Instruments: Portable or benchtop analyzers benefit from the display's compact 7.0-inch form factor and WVGA resolution, which is ideal for displaying waveforms, measurements, and configuration menus with precision.
Frequently Asked Questions (FAQ)
Is the NL8048BC19-02C suitable for direct sunlight applications?
While its 400-nit brightness is excellent for most indoor and controlled environments, true direct sunlight readability requires specialized technologies. For outdoor or very high ambient light applications, consider displays with brightness ratings over 1000 nits and optical bonding. For a deeper analysis, consult our Engineer's Guide to Sunlight Readable HMIs.
What is the expected lifespan of the WLED backlight?
The WLED backlight system is designed for long-term industrial use, typically rated for tens of thousands of hours to half-brightness (MTBF). This longevity aligns with the operational life requirements of industrial and medical equipment, minimizing maintenance cycles and ensuring a low total cost of ownership. For projects with specific longevity requirements, it's always best to contact our technical team to discuss your application in detail.