The Kyocera KG057QV1CA-G04 is a 5.7-inch monochrome STN-LCD module engineered for use in industrial, embedded, and diagnostic systems where moderate readability, energy efficiency, and long-term reliability are key requirements. With a QVGA resolution of 320 × 240 pixels and a pixel density of 70 PPI, the display delivers a basic yet functional interface, well-suited for text-based content, low-complexity graphics, and system status displays.
The module features an active area of 115.18(W) × 86.38(H) mm housed within a compact mechanical frame, making it a space-efficient solution for tightly integrated systems. Its luminance of 260 cd/m² provides sufficient brightness for indoor and dimly lit environments. However, the contrast ratio of 4:1 indicates limited differentiation between dark and light elements, requiring use in controlled lighting conditions for optimal visibility.
Viewing angles of 45° left/right, 20° up, and 40° down (at CR ≥ 2) offer moderate readability, suitable for static, forward-facing applications. The display’s performance is optimized for head-on usage, with reduced clarity at extreme angles.
This module utilizes STN (Super Twisted Nematic) LCD technology operating in Blue mode (Negative), which typically displays bright text on a dark background. This configuration is ideal for monochrome display applications requiring extended use with minimal power draw. The glare surface finish (Haze 0%) may introduce reflectivity under direct light, though it supports crisp rendering under diffused or indoor lighting.
The response time of 380 ms (rise) and 120 ms (fall) accommodates infrequent UI updates and static image display but may not be suitable for rapid motion rendering. Still, it is effective for status dashboards, menu screens, and information terminals.
The backlight system uses a single CCFL tube with an expected lifetime of up to 58,000 hours, contributing to the display’s long service life. It does not include an integrated backlight driver, which must be provided externally. The display accepts a dual-voltage input of 3.3V or 5.0V, offering design flexibility for a range of embedded platforms.
It operates reliably within a temperature range of 0°C to 60°C, with storage tolerance from -20°C to 60°C, making it suitable for indoor industrial environments and embedded control systems.
