Overview
The NEC NL6448AC33-18 is a 10.4-inch diagonal TFT-LCD module engineered for industrial automation, process control, and HMI applications. This is a TFT active matrix color liquid crystal display comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight. The 26 cm diagonal display area contains 640 × 480 pixels and can display 262,144 colors simultaneously.
Key Features
- 10.4 inch diagonal TFT-LCD module designed and manufactured by NEC Japan
- Resolution of 640 x 480 pixels with 4:3 aspect ratio and pixel pitch of 0.207 x 0.207 mm
- 18-bit RGB color depth capable of displaying 262,144 colors
- Built-in backlight with long life CCFLs and replaceable tubes
- Industrial-grade design without touchscreen overlay
Technical Specifications
- Screen Size: 10.4 inch; Panel Type: a-Si TFT-LCD; Active Area: 211.2 × 158.4 mm (H×V)
- Outline dimensions: 243 × 185.1 × 11 mm (H×V×D)
- Luminance: 200 cd/m² (Typ.)
- Contrast Ratio: 150:1 (Typ.)
- Viewing Angle: 45/45/30/20 (Typ.) (CR≥10) Left/Right/Up/Down; Response Time: 40 ms (Max.)
- Color Depth: 262K; Backlight: 2 CCFL with Inverter; Weight: 470g (Typ.)
- Signal Interface: CMOS (1 ch 6-bit) 31 pins; Input Voltage: 3.3V/5.0V (Typ.)
- Operating Temperature: 0 to 50°C
- Storage Temperature: -20 to 60°C
- Refresh Rate: 60Hz
Typical Applications
NEC NL6448AC33-18 is one of the most popular LCD panels in industrial application. Common uses include:
- Factory automation and process control HMIs
- Industrial PC and embedded system displays
- Control panel interface displays
- Equipment with legacy TFT-LCD architecture
Compatibility & Replacements
Compatible With
- Industrial PC systems with CMOS video outputs
- Legacy automation controllers and panel computers
- Embedded systems supporting 31-pin CMOS LCD interface
- 3.3V and 5.0V input voltage systems
- 60Hz refresh rate display applications
Replaces / Drop-In Replacement For
The NEC NL6448AC33-18 is a direct replacement for original equipment using this exact model number. Verify your control system’s LCD interface connector and voltage requirements before ordering.
Works With
- Industrial HMI platforms with analog RGB display inputs
- Legacy factory automation systems (1990s–2000s era)
- Custom embedded Linux and Windows CE applications
- Single 31-pin CMOS interface systems




