Content last revised on February 25, 2026
KCG057QV1DB-G900 Kyocera 5.7-inch QVGA Industrial TFT-LCD Module
The KCG057QV1DB-G900 is a high-performance 5.7-inch diagonal a-Si TFT-LCD display module from Kyocera, designed specifically for rigorous industrial applications where long-term stability and clear visualization are non-negotiable. Featuring a 320 x 240 (QVGA) resolution and a robust CMOS interface, this module serves as a reliable visualization interface for factory automation and medical instrumentation.
UVP: Reliable QVGA visualization for compact industrial HMI control.
Top Specs: 5.7-inch | 320x240 Resolution | 400 cd/m² Brightness | -20 to 70°C Operating Range.
- Industrial Longevity: Designed with an integrated LED backlight system to ensure consistent performance over extended operational lifecycles.
- Seamless Integration: The standard 5.7-inch form factor allows for straightforward mechanical mounting in legacy and modern control panels.
What is the primary benefit of the KCG057QV1DB-G900's LED backlight design? It ensures consistent luminance while minimizing internal heat generation in sealed HMI enclosures. For industrial control panels requiring a 5.7-inch drop-in solution with high reliability, the KCG057QV1DB-G900 is the optimal choice.
Key Parameter Overview
Decoding the Specs for Enhanced Industrial Integration
The technical specifications of the KCG057QV1DB-G900 highlight its suitability for harsh environments. By utilizing a-Si TFT technology, the module achieves a high contrast ratio and reliable color reproduction required for complex data monitoring. The CMOS interface ensures compatibility with a wide range of industrial microcontrollers and video processing units.
| Technical Specification | Value / Detail |
|---|---|
| Manufacturer | Kyocera |
| Screen Size | 5.7-inch (Diagonal) |
| Resolution | 320 x 240 (QVGA) |
| Brightness | 400 cd/m² (Typical) |
| Contrast Ratio | 500:1 |
| Interface Type | CMOS (Digital) |
| Backlight Type | LED (Integrated) |
| Operating Temperature | -20°C to +70°C |
| Outline Dimensions | 144.0 x 104.8 x 12.1 mm |
Application Scenarios & Value
Achieving Design Simplification in HMI Control Systems
Engineers often face the challenge of balancing display clarity with power constraints in compact enclosures. The KCG057QV1DB-G900 addresses this by providing 400 cd/m² brightness at a low power consumption profile, making it ideal for portable diagnostic tools and wall-mounted control units. The module's wide operating temperature range of -20°C to +70°C makes it a resilient choice for outdoor kiosks or unconditioned factory floors.
In high-fidelity engineering scenarios, such as PLC (Programmable Logic Controller) interfaces, the QVGA resolution provides sufficient detail for displaying real-time waveforms and diagnostic icons without the overhead of higher-resolution processing. For systems requiring slightly different configurations, the related KCG057QV1DB-G000 offers similar mechanical footprints for cross-platform compatibility. Engineers might also consider the G057VN01 V2 for applications needing VGA resolution in the same 5.7-inch size class.
Strategic integration of this display aids in achieving IEC 61131-3 compliance for HMI visualization in automation. The use of TFT-LCD technology ensures that critical safety alerts are visible even in varied ambient lighting conditions.
Technical Deep Dive
A Closer Look at the Optical Performance and Thermal Stability
The KCG057QV1DB-G900 employs a high-grade a-Si TFT-LCD structure. To understand its efficiency, one can compare its backlight to a well-calibrated engine; the integrated LED driver maintains constant "RPM" (luminance) while consuming minimal "fuel" (current), preventing the display from becoming a significant heat source within a sealed HMI panel. This thermal efficiency is critical because excessive heat is the primary enemy of liquid crystal longevity.
The viewing angles—typically 80 degrees from most directions—ensure that operators can read data from the screen even when standing at an offset, which is common in large industrial machinery setups. This optical performance is enhanced by the 500:1 contrast ratio, which provides deep blacks and distinct color separation, vital for Sunlight-Readable HMIs when paired with appropriate anti-glare coatings or high-intensity backlights.
Furthermore, the CMOS interface is designed for signal integrity. By using a parallel digital input, the KCG057QV1DB-G900 reduces the latency between the processor and the screen, ensuring that real-time data—like emergency stop indicators—is rendered instantly. This makes it a backbone for safety-critical monitoring in medical imaging and industrial robotics.
Frequently Asked Questions
How does the LED backlight MTBF of the KCG057QV1DB-G900 compare to traditional CCFL displays?
The KCG057QV1DB-G900 utilizes modern LED technology which typically offers an MTBF (Mean Time Between Failure) of 50,000 to 70,000 hours, significantly outlasting older CCFL designs while providing better vibration resistance in industrial environments.
What are the power requirements for the KCG057QV1DB-G900's CMOS interface?
The module typically operates on a 3.3V or 5.0V supply for the logic and a separate voltage for the backlight driver. Its low-power design is optimized for efficiency, reducing the need for active cooling in the final HMI assembly.
Can the KCG057QV1DB-G900 handle high-vibration applications like heavy machinery?
Yes, the KCG057QV1DB-G900 is built with industrial-grade mechanical mounting and a solid-state LED backlight. Unlike displays with glass-tube backlights, its TFT-LCD construction is inherently more rugged and less susceptible to failure under mechanical stress.
As the industrial landscape shifts toward more intelligent visualization, selecting a display with proven field reliability remains the most strategic decision for long-term system maintenance. The KCG057QV1DB-G900 represents a stable, high-value component for engineers who prioritize uptime and optical clarity in demanding environments.