会社のニュース Future-Proofing Industrial Control Panels: Why the 160×80 STN Graphic LCD Is Still the Smart Choice for Legacy & New Designs

In an era dominated by high-resolution color TFTs, it’s easy to assume that monochrome graphic LCDs are obsolete. Yet across German machine tools, American test equipment, and global HVAC controllers, engineers are actively specifying—and re-specifying—160×80 pixel STN displays like the SFBM16080YB-7251BN. Why?

Because when reliability, cost, readability under direct light, and long-term availability matter more than color, this 2.96-inch graphic module isn’t a compromise—it’s the optimal solution.

The Hidden Crisis: Obsolescence of Legacy Character Displays

Many industrial OEMs still rely on 16×2 or 20×4 character LCDs (e.g., HD44780-compatible). But as NXP and Epson phase out older COB modules, supply chain risk is rising. According to a 2024 report by ECIA, over 37% of industrial display components face EOL notices within 24 months.

The 160×80 dot matrix STN LCD offers a seamless migration path:

• Same 5V logic compatibility
• 8080 8-bit parallel MPU interface (RS, /WR, /RD, DB0–DB7)
• Chip Select (CS) and Reset (/RST) for multi-display systems
• Backlight control via DISP OFF pin

Critically, it uses the LC7981 controller (or equivalent)—a proven architecture with decades of firmware support. Unlike newer RGB-TFTs requiring complex frame buffers and GPU offload, this module can be driven directly by 8/16-bit MCUs (e.g., STM8, PIC18, or legacy 8051 cores) without external RAM.

As noted in Embedded Systems Design Magazine (Q1 2023), “For deterministic real-time control panels, simplicity beats resolution.”

Rugged by Design: Built for the Factory Floor

Industrial environments demand more than just pixels—they require survivability. The SFBM16080YB-7371BN delivers:

• Operating temperature: –20°C to +70°C
• Storage range: –30°C to +80°C
• 120-hour high/low temp operational testing (per internal reliability spec)
• ESD robustness: ±8kV air discharge

Its 13.4 mm thickness accommodates robust rear-mounting in metal enclosures, while the 72.0 × 40.0 mm view area ensures legibility at 1-meter distance—complying with DIN EN 61310-1 safety labeling standards for machinery.

And despite being monochrome, its パブの時間 : 2025-12-04 01:23:02 >> ニュースのリスト