Kyocera KCS057QV1AJ-G20 | Robust 5.7” CSTN Display for Legacy & Industrial Systems
The Kyocera KCS057QV1AJ-G20 is a 5.7-inch QVGA (320x240) color display engineered for exceptional reliability and long-term availability in demanding environments. As a Color Super-Twist Nematic (CSTN) panel, it represents a strategic choice for industrial control interfaces, specialized medical devices, and test equipment where system stability and a consistent supply chain outweigh the need for high-definition video performance. This display is not just a component; it's a commitment to operational continuity, especially for established product lines.
A Deep Dive into the KCS057QV1AJ-G20's Core Architecture
Understanding the design philosophy of the Kyocera KCS057QV1AJ-G20 reveals why it remains a preferred choice for specific engineering challenges. Its strengths lie in its purposeful and proven technology.
- CSTN Passive-Matrix Technology: Unlike modern active-matrix TFTs, this panel utilizes CSTN technology. For applications with largely static graphical user interfaces—such as menus, numeric readouts, and process diagrams—CSTN provides a highly cost-effective and power-efficient solution. It delivers clear, distinct colors and contrast sufficient for operator clarity without the higher power draw and cost associated with video-rate displays.
- High-Longevity CCFL Backlight: The KCS057QV1AJ-G20 is equipped with a robust Cold Cathode Fluorescent Lamp (CCFL) backlight system. Engineered by Kyocera for industrial-grade longevity, this backlight is rated for tens of thousands of hours of operation before reaching half-brightness, drastically reducing maintenance schedules and total cost of ownership in field-deployed equipment. The consistent illumination is critical for readability in various factory and lab conditions. The design of a reliable LCD backlight system is a cornerstone of industrial display manufacturing.
Application-Specific Value: Where the KCS057QV1AJ-G20 Excels
This display delivers targeted value across several key industrial sectors by directly addressing their primary challenges.
- Legacy System Maintenance & Repair: The KCS057QV1AJ-G20 is a critical asset for life cycle management. It serves as a form, fit, and function replacement for countless systems originally designed with this panel, eliminating the immense cost and complexity of redesigning and re-certifying equipment.
- Industrial Human-Machine Interfaces (HMI): On the factory floor, clarity and durability are paramount. This display provides a rugged and reliable visual interface for PLCs, CNC machines, and process controllers where operators need immediate access to critical data and controls.
- Test and Measurement Instruments: For benchtop equipment like spectrum analyzers, power supplies, and signal generators, the display offers a clear, stable readout of measurements and settings. Its cost-effectiveness helps manage the bill of materials (BOM) for these sophisticated devices.
- Medical Monitoring (Non-Diagnostic): In applications like infusion pumps or bedside vital sign monitors, the display's proven reliability and long product availability are essential for meeting stringent medical device standards.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Kyocera |
| Model | KCS057QV1AJ-G20 |
| Screen Size | 5.7 inch (diagonal) |
| Resolution | 320 x 240 (QVGA) |
| Display Technology | CSTN (Color Super-Twist Nematic) Passive Matrix |
| Backlight System | 1x CCFL with integrated inverter requirement |
| Typical Brightness | 250 cd/m² |
| Interface | Digital 8-bit Parallel |
| Datasheet | KCS057QV1AJ-G20 Datasheet |
Selection Guidance: CSTN vs. Modern TFT Panels
Choosing between the KCS057QV1AJ-G20 and a modern TFT panel is a strategic decision based on application needs. Select the Kyocera KCS057QV1AJ-G20 if your primary drivers are BOM cost control, maintaining an existing product line without re-engineering, or if your application involves a static UI with low power constraints. Opt for a modern TFT-LCD technology module when your design demands wide viewing angles, fast response times for video, or a richer color gamut. For new projects, we can help you evaluate the trade-offs. Explore our full catalog of industrial LCD modules for the latest options.
Frequently Asked Questions (FAQ)
- Is this display a drop-in replacement for my existing 5.7" panel?The KCS057QV1AJ-G20 was an industry-standard model, making it a highly compatible replacement for many older CSTN displays. Always verify mechanical dimensions and interface pinouts against your existing unit's datasheet. For assistance with cross-referencing, please Contact Us for a Quote.
- Does the CCFL backlight require a separate inverter?Yes, CCFL backlights require a high-voltage inverter to operate. Some system designs integrate this onto the mainboard, while others use a dedicated inverter module. Ensure your system provides the correct power source for the backlight.
