TCG084SVLQAPNN-AN20 Kyocera 8.4" 800x600 SVGA TFT-LCD Display Module

Content last revised on November 19, 2025

TCG084SVLQAPNN-AN20: 8.4-inch SVGA TFT LCD for Industrial HMIs Demanding Durability and Visual Consistency

The Kyocera TCG084SVLQAPNN-AN20 is an 8.4-inch SVGA TFT-LCD module engineered for long-term operational stability and consistent visual performance in demanding industrial environments. It delivers a robust specification set—800x600 resolution | -20 to 70°C operating temperature | 70,000-hour LED lifespan—tailored for applications where reliability is non-negotiable. Key benefits include excellent viewing angle consistency and a durable design proven for industrial machinery and control systems. This display directly addresses the need for a human-machine interface (HMI) solution that maintains readability and performance across wide temperature ranges without compromising on longevity. What is the key advantage of its wide operating temperature? It ensures reliable display functionality in uncontrolled environments, from cold-start factory floors to enclosed, high-heat control panels.

Key Parameter Overview

Decoding the Specs for Industrial Longevity

The technical specifications of the TCG084SVLQAPNN-AN20 are optimized for integration into industrial equipment where performance and durability are critical decision factors. The combination of a wide operating temperature range and a long-life backlight system provides a low-maintenance, dependable display core for system designers.

Download the TCG084SVLQAPNN-AN20 datasheet for detailed specifications and performance curves.

Application Scenarios & Value

System-Level Benefits in Industrial Control and Automation

For industrial automation and process control, the TCG084SVLQAPNN-AN20 is a highly reliable visual interface. Its wide operating temperature range of -20 to 70°C is a critical asset. Consider a CNC milling machine HMI located on a factory floor that experiences significant temperature swings from morning startups in the cold to peak afternoon operating heat. The display's ability to function flawlessly within this range prevents data corruption or screen failure, directly contributing to machine uptime and operator efficiency. The 70,000-hour backlight lifetime, equivalent to nearly 8 years of continuous operation, minimizes the total cost of ownership by drastically reducing the need for maintenance cycles and replacement parts in long-life capital equipment. While this 8.4-inch SVGA display is ideal for compact control panels, for systems requiring higher resolution in a similar form factor, the NL10276AC30-42D offers a 15-inch XGA solution.

Frequently Asked Questions (FAQ)

Engineering and Integration Inquiries

What is the primary benefit of the 800:1 contrast ratio in an industrial setting?
A high contrast ratio is crucial for legibility in varied lighting conditions found on a factory floor. It ensures that critical data, warnings, and schematics displayed on a machine HMI are clearly distinguishable, reducing the chance of operator error. Think of it as the difference between reading crisp black text on a white page versus gray text on a light gray page; the former is always easier and faster to interpret.

How does the LVDS interface benefit system integration?
The LVDS (Low-Voltage Differential Signaling) interface is a standard in industrial displays because it offers high noise immunity and low electromagnetic interference (EMI). This is vital in environments filled with high-power motors, drives, and other sources of electrical noise. Using an LVDS interface simplifies the electronic design, as it requires fewer signal lines and helps the final product meet stringent EMC (Electromagnetic Compatibility) standards.

Does the absence of a built-in touchscreen limit its application?
Not necessarily. While it doesn't have an integrated touchscreen, its design allows for the flexible integration of a separate resistive or capacitive touch panel overlay. This modular approach benefits designers who need to specify a particular touch technology to meet application-specific requirements, such as operability with heavy gloves in a manufacturing setting, which is often a challenge for standard capacitive touchscreens.

What does the 70,000-hour backlight lifetime mean in practical terms for total cost of ownership?
This figure translates to approximately 7.9 years of 24/7 operation before the backlight's brightness is expected to degrade to 50% of its initial value. For industrial equipment with a 10-15 year service life, this means the display's light source is unlikely to be a point of failure, significantly reducing maintenance costs, service calls, and equipment downtime over the product's entire lifecycle.

Is the TCG084SVLQAPNN-AN20 suitable for outdoor use?
While its 450-nit brightness and wide operating temperature are robust for many indoor and semi-outdoor industrial applications, it is not explicitly designed for direct, full-sunlight readability. For applications requiring direct sunlight exposure, a display with a brightness of 1000 nits or more and optical bonding would be more appropriate. However, for use in shaded outdoor areas or within the cabin of construction machinery, it remains a viable option.

Technical Deep Dive

Engineering for Reliability: Temperature Range and Backlight Longevity

The operational resilience of the TCG084SVLQAPNN-AN20 is fundamentally anchored in its thermal design and backlight architecture. The -20°C to 70°C operating temperature is not just a specification; it is a guarantee of functional stability. At the low end, component materials are selected to avoid embrittlement or a significant increase in liquid crystal viscosity, which can slow response times to a crawl. At the high end, the thermal management ensures that heat generated by the backlight and driver electronics is effectively dissipated, preventing "hot spots" on the screen that can degrade image quality and permanently damage the TFT array. This wide range ensures that the display provides a consistent, reliable user interface whether integrated into food processing freezers or non-air-conditioned industrial enclosures. The 70,000-hour LED backlight lifetime further solidifies its value proposition, offering a "fit-and-forget" component for the majority of a machine's operational life, a critical factor for OEMs building systems where servicing a display is a costly and complex undertaking.

An Engineer's Perspective on Integration

From an integration standpoint, the TCG084SVLQAPNN-AN20 presents a straightforward and reliable component choice. Its standard LVDS interface and common 3.3V power input reduce design complexity, allowing engineers to focus on application-level software and system functionality rather than display-level power and signal conditioning. The mechanical specifications provide a clear blueprint for enclosure design, while the proven thermal performance gives confidence in long-term field reliability. This display embodies a design philosophy focused on minimizing integration friction and maximizing operational uptime, making it a sound engineering decision for industrial-grade HMIs.