NEC NL4827HC19-05B 4.3-inch WQVGA TFT-LCD Display

Content last revised on July 22, 2026

NEC NL4827HC19-05B Technical Overview

Integration-Ready 4.3-Inch Display

Streamlining HMI Architectures via Single-Connector Interface Integration

The NEC NL4827HC19-05B is a 4.3-inch 480×272 (WQVGA) TFT-LCD designed to streamline rugged handheld terminals and industrial HMI systems. It consolidates display signals, backlight drive lines, and touch coordinates into a unified interface, eliminating cable clutter.

Top Specifications: 4.3-inch | 480×272 | 500 cd/m² | 500:1 Contrast Ratio

Key Benefits:

• Consolidated single-FPC routing minimizes physical failure points in high-vibration systems.
• High luminance of 500 cd/m² maintains readability under bright workplace lighting.

What is the primary benefit of its integrated FPC design? Consolidated electrical routing that reduces connector failure points.

What is the screen surface treatment? Antiglare with a 3H hard coating for scratch resistance.

By housing display logic, a 4-wire resistive touch panel, and internal DC-DC voltage regulators on a single 51-pin CMOS FPC, this panel simplifies hardware routing. For space-constrained industrial terminals requiring glove-compatible control and high-vibration tolerance, this 4.3-inch resistive touch display is the optimal choice.

Key Parameter Overview

Decoding the Specs for Enhanced Integration and Thermal Resilience

The following technical parameters highlight the electrical, mechanical, and optical capabilities of the NEC NL4827HC19-05B display module:

Download the NL4827HC19-05B datasheet for detailed specifications and performance curves.

Application Scenarios & Value

Achieving Design Simplification in Portable Diagnostics and HMI Terminals

Engineers building portable diagnostics devices face the challenge of fitting displays, touch overlays, and logic circuits into compact housings. Standard multi-cable setups increase thickness and EMI risks. The NL4827HC19-05B resolves this by merging the 8-bit digital RGB signals and resistive touch outputs onto a unified 51-pin CMOS FPC. This reduces internal cabling, lowering the chance of loose connections in hand-held tools.

For designers working on larger systems, selecting the right industrial display is crucial for lifecycle costs. Reading our guide on industrial vs consumer displays outlines why robust physical construction pays off. In gloved-hand industrial environments, opting for resistive touchscreens for HMIs prevents input errors caused by debris or thick safety gloves.

While this 4.3-inch panel suits compact designs, systems needing different footprints might consider options like the NL2432HC22-25B or the higher-density NL4864HC13-01A to meet specific mechanical layouts.

Technical Deep Dive

Analyzing the Integrated Electrical Integration and Environmental Durability

Integrating a display into a rugged environment requires analyzing mechanical limits and optical quality. The NL4827HC19-05B features a 3H hard-coated screen surface to protect the touch active area. An amorphous silicon TFT LCD structure keeps the pixels stable across the wide -20 to +70 °C operating range.

To understand the module's 500 cd/m² luminance, think of a high-power spotlight focused on a small stage. While consumer panels wash out under bright ambient glare, this backlight provides bright, localized illumination. This ensures readability near windows without draining the system battery.

The on-board DC-DC circuitry works like a miniature power substation. Instead of routing separate voltages for logic, drivers, and the liquid crystals, the system accepts basic 3.0V and 5.0V inputs. The module then generates the voltages needed internally, reducing trace counts on the main PCB.

This layout operates via a CMOS RGB interface, transmitting 8-bit color data to display 16.7M colors. The 6 o'clock viewing direction ensures clear visibility when viewed from below, which is common in wall-mounted equipment or handheld units tilted towards the user.

Frequently Asked Questions

Addressing Common Design and Integration Queries for the Display Module

How does the integrated touch panel and CMOS interface affect my motherboard design and pin routing?
The NL4827HC19-05B combines the 8-bit digital RGB, power inputs, and 4-wire resistive touch lines into a single 51-pin CMOS FPC. This eliminates the need for separate touch-controller daughterboards, allowing you to route touch coordinates directly to your MCU's ADC or a low-cost controller on the main board, saving space.

How does the 2.0G vibration rating impact the mechanical mounting design of the display?
The 2.0G (19.6 m/s²) vibration resistance means the display is structurally fortified against high-frequency vibration. In design, this reduces the need for expensive external shock-absorbing rubber mounts, letting you mount the display directly to the enclosure frame, provided the FPC is secured to prevent mating friction.

Can this display operate reliably in outdoor environments under direct sunlight?
With a typical brightness of 500 cd/m² and an anti-glare, 3H hard-coated surface, it is highly readable in semi-outdoor or brightly lit indoor environments. However, for continuous direct sunlight exposure, check out our guide on sunlight-readable HMIs to determine if higher-luminance panels are required.

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