NEC NL10276BC24-21L LCD Display

Content last revised on October 26, 2025.

NL10276BC24-21L: 12.1" XGA High-Brightness TFT-LCD for Industrial HMIs

Engineered for unwavering performance in demanding operational environments, the NL10276BC24-21L is a 12.1-inch XGA display optimized for industrial applications where visual clarity and long-term reliability are paramount. This module delivers exceptional optical performance, featuring key specifications of 1024x768 XGA | 450 cd/m² Brightness | 70,000 hr Backlight Lifetime. This translates to two primary engineering benefits: superior readability in variable lighting and a significantly extended operational lifespan. For engineers developing systems for factory floors or field instrumentation, this display answers the critical need for a Human-Machine Interface (HMI) that remains consistently legible and dependable over years of service. Best suited for industrial HMIs and specialized instrumentation where consistent readability and long-term operational stability are non-negotiable.

Application Scenarios & Value

Delivering Data Clarity and Resilience in Demanding Field Applications

The NL10276BC24-21L is engineered to excel in environments where consumer-grade displays would fail. Its primary application is in the development of robust industrial Human-Machine Interfaces (HMIs), process control panels, and medical diagnostic equipment. The key engineering challenge in these settings is ensuring consistent data legibility under fluctuating ambient light and extreme temperatures. With a typical luminance of 450 cd/m² and a high contrast ratio of 900:1, this display provides the optical power necessary for operators to clearly read critical data, reducing the potential for error.

Crucially, its wide operating temperature range of -30°C to +80°C allows for deployment in unconditioned environments, such as factory floors, outdoor kiosks, or vehicle-mounted systems, without requiring complex and costly thermal management hardware. This resilience simplifies overall system design and enhances field reliability. While this model provides a robust XGA solution, for systems that may benefit from an alternative feature set in a similar form factor, the AA121SP09 offers different performance characteristics for consideration.

Key Parameter Overview

Specification Breakdown for System Integration and Reliability Analysis

The technical specifications of the NL10276BC24-21L are tailored for straightforward integration into professional electronic systems and for long-term operational stability. The luminance of 450 cd/m² provides a strong foundation for readability in bright industrial settings. Think of this specification as the display's ability to "speak clearly" in a noisy room; a higher luminance ensures the visual data cuts through ambient light, analogous to a clear voice overcoming background noise. This ensures that crucial information is not washed out by factory lighting or indirect sunlight.

Download the NL10276BC24-21L datasheet for detailed specifications and performance curves.

Frequently Asked Questions

Engineering Inquiries on Performance and Longevity

What does the 70,000-hour backlight lifetime mean for Total Cost of Ownership (TCO)?
A 70,000-hour backlight lifetime, equivalent to nearly 8 years of continuous 24/7 operation, is a critical reliability metric. For system owners, this directly translates to a lower TCO by minimizing the need for costly maintenance cycles and panel replacements. It ensures maximum system uptime, a crucial factor in industrial automation and mission-focused applications where downtime has significant financial consequences.

How does the wide operating temperature range of -30°C to +80°C impact system design?
This extensive temperature tolerance greatly simplifies the thermal engineering of the final product. Designers can confidently integrate the NL10276BC24-21L into sealed, fanless enclosures (such as NEMA-rated systems) without the need for auxiliary heating or cooling components. This reduces system complexity, lowers power consumption, and eliminates potential points of failure, leading to a more robust and cost-effective end product.

Technical Deep Dive

An Analysis of the Long-Life Backlight System and Thermal Design

The longevity of the NL10276BC24-21L is fundamentally tied to its WLED backlight system and the thermal pathways designed into the module. The 70,000-hour rating is not merely a measure of the LEDs' intrinsic lifespan but reflects a holistic design approach that includes the driver electronics and heat dissipation efficiency. The module's construction is optimized to draw heat away from the LED strips at the edge of the panel, maintaining a stable operating temperature that prevents premature luminance degradation.

The high 900:1 contrast ratio is another critical performance aspect derived from its TFT-LCD cell structure. This parameter can be understood as the display's ability to render fine details. A low-contrast display is like a faded photograph where dark and light areas blend together. The high contrast of this module ensures deep, true blacks against bright whites, making graphical user interfaces, schematics, and text highly legible. This level of detail is essential for complex user interfaces in embedded systems where misinterpretation of data is not an option. The standard LVDS Interface further ensures high-fidelity signal transmission from the host controller, preserving the integrity of the image data.

For engineering teams evaluating this module, these technical attributes provide confidence in both the initial integration process and the long-term performance and reliability of their final system. The combination of optical quality and industrial-grade resilience makes it a sound choice for equipment with long service life requirements.