Toshiba LTM07C388: A Deep Dive into the 7.0-inch Industrial VGA Display Module
Engineered for Environmental Resilience and System Longevity
Content last revised on October 5, 2025.
The Toshiba LTM07C388 is a 7.0-inch industrial TFT-LCD panel engineered for unwavering performance in harsh environmental conditions. With its 640x480 VGA resolution, 400 nit brightness, and an exceptionally wide operating temperature range, it delivers long-term reliability and clear readability. Key benefits include simplified system integration and reduced thermal management overhead. This display directly answers the need for a rugged, long-life display solution compatible with a wide array of legacy and modern embedded systems. For applications demanding robust performance across extreme temperatures, the LTM07C388's wide operational range from -30°C to 80°C makes it a definitive choice for industrial Human Machine Interface (HMI) design.
Key Parameter Overview
Decoding the Specifications for Environmental Durability
The technical specifications of the LTM07C388 underscore its suitability for demanding industrial applications. The parameters are organized below to provide a clear overview of its optical, electrical, and mechanical attributes. Each specification contributes to its overall performance as a robust display solution for complex operational environments.
| Functional Group: Optical Characteristics | |
|---|---|
| Panel Size | 7.0 inch |
| Resolution | 640(RGB)×480, VGA |
| Brightness | 400 cd/m² (Typ.) |
| Contrast Ratio | 400:1 (Typ.) (TM) |
| Viewing Angle | 70/70/50/60 (Typ.)(CR≥10) |
| Display Colors | 262K (6-bit) |
| Surface Treatment | Anti-Glare |
| Functional Group: Backlight & Electrical Interface | |
| Lamp Type | 1 pc CCFL |
| Lamp Lifetime | 50K hours (Min.) |
| Backlight Driver | Included |
| Signal Interface | Parallel RGB (1 ch, 6-bit) |
| Input Voltage | 3.3V (Typ.) |
| Functional Group: Environmental & Mechanical Specs | |
| Operating Temperature | -30 ~ 80 °C |
| Storage Temperature | -40 ~ 90 °C |
| Vibration Resistance | 2.0G (19.6 m/s²) |
| Outline Dimensions (mm) | 167(W) × 119(H) × 10.5(D) |
Note: The parameters listed above are for reference. For comprehensive design and integration data, it is imperative to consult the official documentation.
Application Scenarios & Value
System-Level Benefits in Demanding HMI Applications
The Toshiba LTM07C388 is not merely a display; it's a foundational component for building reliable Human Machine Interfaces that must function flawlessly in environments where consumer-grade displays would fail. Its primary value is realized in applications where temperature extremes and long operational hours are the norms.
Consider the challenge of designing an HMI for an outdoor construction vehicle or a control panel on an unheated factory floor. The LTM07C388's -30°C to 80°C operating temperature range is the critical parameter that ensures functionality, from freezing pre-dawn startups to peak afternoon heat. This wide range eliminates the need for auxiliary heaters or cooling fans dedicated to the display, which in turn simplifies the mechanical design, reduces power consumption, and removes potential points of failure from the overall system. The 400-nit brightness, paired with an anti-glare coating, ensures the interface remains legible under direct sunlight or harsh factory lighting, contributing directly to operator safety and efficiency. This makes it a prime candidate for upgrading or maintaining legacy systems in industrial automation, specialized vehicle dashboards, and marine electronics where field-proven reliability is paramount. For systems that may not require such a wide temperature range but need a similar form factor, the AT080TN64 offers a different set of specifications for consideration.
Frequently Asked Questions (FAQ)
What is the primary engineering benefit of the LTM07C388's -30 to 80°C operating temperature?
Its primary benefit is enhanced system reliability and a lower total cost of ownership. This extensive range allows the display to be deployed in environmentally challenging locations—such as vehicle cabins, outdoor kiosks, and industrial control cabinets—without requiring complex and costly external thermal management systems like heaters or fans. This simplifies the end-product design and reduces potential failure points.
How does the integrated CCFL backlight driver simplify system design?
The inclusion of the backlight driver board simplifies the electrical integration process for engineers. It means a separate, high-voltage inverter solution does not need to be sourced, qualified, and designed into the system. This reduces the bill of materials (BOM), shortens development time, and ensures that the backlight is driven by a component optimized for its specific characteristics, contributing to the panel's rated 50,000-hour lamp lifetime.
Application Vignette
Ensuring Uptime in Cold Storage Logistics HMI
A significant challenge in cold chain logistics is deploying electronics that can reliably transition between ambient warehouse temperatures and deep-freeze environments. A forklift HMI, for instance, must provide immediate, clear data to operators whether they are in a 25°C loading dock or a -25°C freezer. This is where the LTM07C388 excels. An engineer designing such a system can leverage the display's -30°C cold-start capability directly. This avoids the common issue of LCD fluid crystallization that renders standard displays unreadable and slow to respond in sub-zero conditions. The system can boot and display critical information without a warm-up period, maximizing operator productivity. The VGA interface provides a straightforward connection to a ruggedized Single-Board Computer (SBC), allowing for rapid development of a control interface that is both powerful and environmentally resilient.
Request for Quotation
To evaluate the Toshiba LTM07C388 for your specific application, please contact our technical sales team. We provide engineering-level support to help you assess component suitability for your design requirements. Submit your inquiry to receive a detailed quotation and to discuss your project needs.
