Content last revised on November 24, 2025
KCG057QV1DB-G54: A Robust 5.7-inch QVGA Display for Industrial HMI Longevity
The Kyocera KCG057QV1DB-G54 is a 5.7-inch CSTN-LCD module engineered for exceptional durability and stable performance in demanding industrial applications. With a core specification of 320x240 QVGA resolution, a high-reliability CCFL backlight, and a robust operational temperature range, this display provides a clear and dependable visual interface. Key benefits include excellent readability in typical factory lighting and a mechanical design suited for long-term service in legacy systems. What is the primary benefit of its CCFL backlight? It provides a proven, long-life light source engineered for industrial-grade reliability. For engineers seeking a mechanically sound and stable display to extend the service life of existing CNC and PLC systems, the KCG057QV1DB-G54 offers a proven, direct-fit solution.
Key Parameter Overview
Decoding the Specifications for Industrial Longevity
The technical specifications of the KCG057QV1DB-G54 are tailored for integration into industrial control panels and monitoring equipment where reliability is paramount. Its feature set supports straightforward system integration and ensures consistent performance across its operational lifespan.
| Feature Group | Parameter | Specification |
| Display Characteristics | Manufacturer | Kyocera |
| Diagonal Size | 5.7 inches | |
| Resolution | 320(RGB)×240 (QVGA) | |
| Panel Type | CSTN-LCD, LCM | |
| Optical Performance | Operating Mode | STN, Normally Black, Transmissive |
| Contrast Ratio | 60:1 (Typ.) | |
| Light Source | CCFL with 75,000-hour lifespan | |
| Electrical & Interface | Interface Type | Parallel Data (1ch, 8-bit), 20 pins |
| Power Supply (VDD) | 3.3/5.0V (Typ.) | |
| Environmental Ratings | Operating Temperature | 0 ~ 60 °C |
| Storage Temperature | -20 ~ 60 °C |
Application Scenarios & Value
System-Level Benefits in Legacy Equipment
The KCG057QV1DB-G54 is an optimal choice for maintaining and extending the life of capital-intensive industrial machinery. For systems in sectors like manufacturing automation, process control, and test and measurement, display failure can lead to costly downtime. This display addresses that challenge directly. Its standard 5.7-inch form factor and 320x240 QVGA resolution make it a drop-in replacement for many aging Human-Machine Interfaces (HMIs) and control panels on equipment such as CNC machines or PLCs. What is the value of its 75,000-hour backlight life? It ensures extended operational availability and reduces the frequency of maintenance cycles. The use of a parallel data interface further simplifies integration into legacy architectures, avoiding the need for complex interface converters.
Consider an engineering challenge where the original display on a factory-floor control unit has failed due to age. Replacing it with a modern, consumer-grade display would require re-engineering the mounting, interface logic, and power supply. The KCG057QV1DB-G54, with its industrial-grade construction and standard interface, provides a direct-fit solution, minimizing installation time and preserving the original system's integrity. While the KCG057QV1DB-G54 is ideal for compact QVGA systems, for applications requiring a larger screen area and higher VGA resolution, the related KCG075VG2BH-G00 presents an alternative. For a deeper understanding of the technologies behind such robust displays, exploring The Ultimate Guide to TFT-LCD can provide valuable context.
Technical Deep Dive
A Closer Look at the CCFL Backlight for Long-Term Reliability
A critical, distinguishing feature of the KCG057QV1DB-G54 is its Cold Cathode Fluorescent Lamp (CCFL) backlight, which boasts an impressive typical lifespan of 75,000 hours. In the context of industrial equipment that often runs 24/7, this translates to over eight years of continuous operation. This longevity is a decisive factor for applications where maintenance access is difficult or downtime is unacceptable. The stability and proven track record of CCFL technology provide a level of reliability that is critical for mission-supportive HMI panels. This long lifespan directly contributes to a lower total cost of ownership by minimizing replacement parts and labor over the equipment's lifecycle.
Thinking of this long-life backlight is like choosing industrial-grade wiring for a factory instead of standard residential wiring. While both transmit electricity, the industrial option is built to withstand constant, heavy-duty use and harsh conditions without degradation, ensuring the entire production line remains operational. Similarly, the CCFL in this TFT-LCD module is engineered for sustained performance, making it a cornerstone of the display's overall reliability. This focus on durability is a key part of what makes it suitable for the demanding environments detailed in guides on engineering for extreme conditions.
Frequently Asked Questions (FAQ)
What makes the KCG057QV1DB-G54 suitable for retrofitting older industrial equipment?
Its combination of a standard 5.7-inch size, 320x240 QVGA resolution, and a parallel data interface allows it to serve as a direct-fit replacement for many obsolete displays without requiring significant mechanical or electrical re-engineering. This minimizes downtime and integration costs for legacy system upgrades.
How does the 60:1 contrast ratio impact its performance in an industrial setting?
A 60:1 contrast ratio provides clear differentiation between text, graphics, and background colors, which is essential for at-a-glance readability on an HMI. In a control panel application, this ensures that operators can quickly and accurately interpret status indicators, alarms, and data readouts, reducing the risk of human error.
For engineering teams focused on lifecycle management and system reliability, the KCG057QV1DB-G54 provides a dependable and technically sound solution. To further evaluate this display for your specific application or to inquire about procurement, please contact our technical sales team for a detailed consultation.
