Content last revised on November 21, 2025
LMG5268XUFC-V: A Robust 5.7-inch VGA Display for Demanding Industrial HMI Applications
Executive Summary: Key Features & Specifications
Engineered for Clarity and Durability in the Field
The LMG5268XUFC-V is a 5.7-inch amorphous silicon TFT-LCD module engineered for sustained performance in challenging industrial environments. It delivers a crisp 640x480 VGA resolution with a high-contrast image, ensuring excellent readability for complex user interfaces. Key specifications include: 640x480 resolution | 220 cd/m² brightness | 250:1 contrast ratio. This display provides superior optical performance and proven operational resilience. Its robust design is specifically tailored for operators who require clear, reliable visual data from instrumentation and control panels, even under fluctuating factory conditions. For applications requiring a different resolution or panel size, the KCG057QV1DB-G000 offers a QVGA alternative in the same 5.7-inch form factor.
Key Parameter Overview
A Specification Breakdown for HMI System Integration
The technical specifications of the LMG5268XUFC-V are optimized for integration into industrial control systems, medical devices, and portable instrumentation where reliability and clear visuals are paramount.
| Feature | Specification |
|---|---|
| Display & Optical Characteristics | |
| Display Mode | Normally White, Transmissive |
| Screen Size | 5.7 inch (14.4 cm) diagonal |
| Resolution | 640(RGB) x 480 (VGA) |
| Brightness | 220 cd/m² (Typ.) |
| Contrast Ratio | 250:1 (Typ.) |
| Backlight | 1 pc Cold Cathode Fluorescent Lamp (CCFL) |
| Electrical & Interface | |
| Interface Type | 18-bit Parallel RGB |
| Power Supply Voltage | 3.3/5.0V (Typ.) (VDD) |
| Mechanical & Environmental | |
| Outline Dimensions | 144.0(W) x 104.6(H) x 13.0(D) mm |
| Active Area | 115.2(W) x 86.4(H) mm |
| Operating Temperature | 0 ~ 50 °C |
| Storage Temperature | -20 ~ 60 °C |
Application Scenarios & Value
System-Level Benefits in Industrial Control and Instrumentation
What is the primary benefit of the LMG5268XUFC-V's display technology? It provides a stable and readable HMI for legacy and new industrial equipment. This model's 5.7-inch VGA format is a direct fit for a vast range of industrial machinery, from CNC controllers to process monitoring terminals and medical diagnostic equipment. Its standard parallel RGB interface simplifies integration with established embedded systems and single-board computers, reducing the need for complex interface conversion hardware. The 250:1 contrast ratio, which can be thought of as the screen's ability to show deep blacks next to bright whites, is crucial for legibility in variable factory floor lighting. This ensures that operators can accurately read critical data and alerts, minimizing errors and improving operational safety. This display is the optimal choice for systems requiring a proven, long-life VGA interface panel with reliable visual performance.
Technical Deep Dive
A Closer Look at Integration and Visual Performance
The LMG5268XUFC-V is designed for straightforward integration into a variety of chassis and enclosures. Its mechanical specifications provide a solid foundation for building a robust front panel for any Human-Machine Interface (HMI). The use of a CCFL backlight, while a mature technology, offers a proven track record of longevity and stable brightness over its operational life, a key consideration for equipment expected to remain in service for over a decade. The display's response time is well-suited for the dynamic graphical elements found in modern industrial UIs, such as moving indicators, status bars, and alert animations, without noticeable ghosting or lag. This ensures that operators receive real-time feedback from the machinery they are controlling, which is essential for precision tasks in manufacturing and process control. For engineers seeking further insights into display technologies for harsh conditions, our guide on engineering displays for heavy machinery offers valuable context.
Frequently Asked Questions
Clarifying Key Design and Performance Questions
What is the significance of the "Normally White" display mode?
A "Normally White" display means that in the absence of an electrical field, the liquid crystals allow light to pass through, resulting in a white pixel. In the event of a total power failure to the display driver, the screen will turn white. This can be a predictable and safe failure mode in certain industrial applications, indicating a loss of control signal rather than a dark, unresponsive screen which might be misinterpreted as the machine being powered off.
Is the CCFL backlight replaceable?
While CCFL backlights are designed for long life, they are serviceable components. The datasheet provides details on the backlight's life expectancy and connection type. This allows for maintenance and replacement in the field, extending the overall service life of the host equipment and lowering the total cost of ownership, a critical factor for industrial capital equipment.
Technical Support and Inquiry
Our engineering support team is available to provide further technical details and assist with your design-in process. For specific inquiries regarding the LMG5268XUFC-V, please reference the model number to ensure a prompt and accurate response.