Kyocera KCG057QV1DB-G66 | Robust 5.7-inch QVGA Display for Long-Life Industrial Applications
The Kyocera KCG057QV1DB-G66 is an industrial-grade display engineered for exceptional longevity and performance in established systems. More than just a screen, it represents a commitment to stability, providing a reliable HMI solution for equipment with long service lives. Its robust construction and proven technology make it the go-to choice for maintaining and upgrading critical industrial, medical, and test equipment where reliability is non-negotiable.
- Proven Industrial Workhorse: A 5.7-inch diagonal with a 320x240 QVGA resolution, the industry standard for compact control panels and monitoring instruments.
- High-Luminance CCFL Backlight: Delivers bright, clear visuals with a stable color profile and a predictable, long operational lifespan essential for mission-critical applications.
- Exceptional Durability: Designed with a wide operating temperature range and built to withstand the shock and vibration typical of factory floors and field instruments.
- Long-Term Availability: Kyocera's commitment to long production cycles ensures this display remains a viable component for years, simplifying maintenance and end-of-life management for your products.
The Engineering Behind its Enduring Performance
The design choices in the Kyocera KCG057QV1DB-G66 are deliberate, prioritizing stability and performance over fleeting trends. The panel is built on a foundation of standard a-Si TFT (Amorphous Silicon) technology, a mature and exceptionally reliable platform. This technology provides the consistent optical performance required for industrial control interfaces, where data must be presented clearly and without distortion over many years of continuous operation.
A key feature is its Cold Cathode Fluorescent Lamp (CCFL) backlight system. While many modern displays have moved to LED, the CCFL in this model offers distinct engineering advantages for legacy systems. It provides high brightness and a very stable, warm color temperature that is less fatiguing to the human eye over long shifts. Critically, CCFLs have a well-documented and predictable aging process, allowing for proactive maintenance schedules—a vital feature for equipment in remote or hard-to-service locations. For a deeper understanding of display technologies, explore our ultimate guide to TFT-LCDs.
Application Scenarios & Value Proposition
The KCG057QV1DB-G66 excels in applications where continuity and proven reliability are paramount.
- Industrial Control Panels & HMIs: It serves as a perfect drop-in replacement or core component for PLCs, CNC machines, and process controllers that were designed around the 5.7" QVGA form factor. Its ruggedness ensures uptime in demanding factory environments.
- Medical Diagnostic Equipment: Medical devices often have certification cycles that span a decade or more. The long-term availability of the KCG057QV1DB-G66 makes it an ideal choice, ensuring a consistent supply chain without the need for costly re-certification.
- Test and Measurement Instruments: In oscilloscopes, spectrum analyzers, and network testers, data integrity is everything. The display's high Contrast Ratio and clear output provide the precision required for accurate readings.
KCG057QV1DB-G66 Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Kyocera |
| Model Number | KCG057QV1DB-G66 |
| Screen Size | 5.7 inch |
| Resolution | 320(RGB)×240 [QVGA] |
| Display Technology | a-Si TFT-LCD, Transmissive |
| Brightness | 400 cd/m² (Typ.) |
| Contrast Ratio | 350:1 (Typ.) |
| Interface Type | 18-bit Digital RGB (6-bit x 3) + SPI |
| Backlight System | 1 pc CCFL with Inverter |
| Operating Temperature | -20 ~ 70 °C |
| Storage Temperature | -30 ~ 80 °C |
Engineer-to-Engineer: Common Questions
1. Is the KCG057QV1DB-G66 a suitable replacement for other 5.7" QVGA displays?
Absolutely. This model was designed as a long-life industrial standard. Its mechanical footprint and digital RGB interface are common across many legacy systems from various manufacturers, making it an excellent candidate for repairs and upgrades. However, it's always crucial to verify the pinout and connector of the specific interface in your system. If you have questions about compatibility, please contact our technical team for assistance.
2. What do I need to consider when driving the CCFL backlight?
The KCG057QV1DB-G66 typically includes a dedicated inverter for the CCFL backlight. This inverter requires a specific DC input voltage to generate the high AC voltage needed to power the lamp. Your system's power supply must be able to provide the necessary voltage and current for this inverter. The benefit is that the brightness control (dimming) is managed through the inverter, often via a simple analog voltage or PWM signal, simplifying the control logic.
3. How does this display's visibility hold up in high ambient light?
With a typical brightness of 400 nits, the KCG057QV1DB-G66 performs very well in typical indoor industrial and lab environments. Its anti-glare surface treatment helps to diffuse reflections, maintaining readability. While not a "sunlight readable" panel, its high contrast and brightness are more than sufficient for the majority of indoor HMI and instrumentation applications, offering a clear and reliable visual interface for operators.
