DMF50081NB-FW 7-Inch Industrial TFT LCD Module with Resistive Touch Screen
The DMF50081NB-FW is an original industrial-grade 7-inch TFT LCD display module with integrated 4-wire analog resistive touch panel, manufactured by Delta Electronics (Display Module Division). Designed for 24/7 uninterrupted operation in harsh industrial environments, this module delivers stable performance, precise touch response, and consistent visual output for mission-critical applications. It is the ideal drop-in replacement or new design solution for factory automation HMI, medical equipment, POS systems, industrial control panels, and portable industrial devices.
| Parameter Category |
Detailed Specification |
| Manufacturer |
Delta Electronics (Display Module Division) |
| Official Part Number |
DMF50081NB-FW |
| Display Type |
7-inch TFT LCD with integrated 4-wire analog resistive touch panel |
| Resolution |
800 × 480 pixels (WVGA), 24-bit RGB |
| Active Display Area |
154.08 mm (W) × 85.92 mm (H) |
| Color Depth |
16.7 million colors (24-bit True Color) |
| Typical Brightness |
350 cd/m² |
| Typical Contrast Ratio |
500:1 |
| Viewing Angle (L/R/U/D) |
70°/70°/50°/60° |
| Backlight |
LED edge-lit, rated lifespan ≥50,000 hours |
| Display Interface |
RGB (TTL) Parallel Interface |
| Touch Panel Details |
4-wire analog resistive (ITO film) |
| Power Supply Requirements |
• Logic Circuit (VCC): 3.3 V DC ±10%
• Backlight: Typical 18–21 V DC @ 40–60 mA (subject to LED string configuration) |
| Operating Temperature Range |
-20°C to +70°C (industrial grade, full load operation) |
| Storage Temperature Range |
-30°C to +80°C |
| Module Dimensions (W×H×D) |
165.8 mm × 100.0 mm × 5.8 mm |
| Typical Bezel Cutout |
~160 mm × 95 mm |
| Compliance & Certifications |
RoHS, REACH |
Key Features & Industrial Application Advantages
This DMF50081NB-FW module is purpose-built for industrial embedded systems (not consumer-grade applications), with industry-leading reliability and compatibility:
- 24/7 Uninterrupted Operation: Industrial-grade components and rigorous testing ensure stable long-term operation in mission-critical systems, eliminating downtime for factory automation and continuous monitoring equipment.
- Wide Temperature Adaptability: Supports full-load operation from -20°C to +70°C, suitable for harsh industrial environments, outdoor equipment, and temperature-fluctuating scenarios.
- High Compatibility: Natively compatible with mainstream ARM-based SoCs and industrial control platforms, including NXP i.MX6 series, TI AM335x, Rockchip RK series, Raspberry Pi Compute Module, and BeagleBone, reducing development cycle and design risks.
- Rugged Resistive Touch Design: 4-wire analog resistive touch panel supports gloved operation, stylus input, and works reliably in dusty or humid industrial environments, outperforming capacitive touch in industrial scenarios.
- Long-Lifespan Backlight: Edge-lit LED backlight with a rated lifespan of over 50,000 hours, reducing maintenance frequency and total cost of ownership (TCO) for long-term deployed equipment.
- Standard Interface Design: Industry-standard RGB TTL parallel interface and ZIF/FPC touch connector, compatible with standard driver ICs and development frameworks, easy for drop-in replacement of existing modules.
Target Applications
- Industrial HMI & Control Panels
- Factory Automation Equipment
- Medical Device Displays
- Point-of-Sale (POS) Systems
- Portable Industrial Test Equipment
- Smart Building Control Systems
- Security & Surveillance Displays
DMF50081NB-FW Professional Integration Guide
To ensure seamless integration and stable operation, we provide the following professional guide for hardware engineers and embedded developers:
- Host Controller Requirements: A host microcontroller/processor with 24-bit RGB TTL parallel output interface, such as industrial-grade ARM SoCs, FPGAs, or embedded single-board computers (SBCs) with compatible display output.
- Backlight Driver Solution: We recommend using a constant-current boost driver IC (e.g., Texas Instruments TPS61088) to match the 18-21V backlight power requirement, ensuring stable brightness and long backlight lifespan.
- Touch Controller Integration: Pair with a dedicated 4-wire resistive touch controller IC for signal processing, such as TI TSC2007 (I2C interface) or STMicroelectronics STMPE811, to achieve precise touch coordinate acquisition and noise suppression in industrial environments.
- Power Management Design: Separate power supply design for 3.3V logic circuit and 18-21V backlight circuit, with over-voltage, over-current, and ESD protection to meet industrial EMC requirements.
- Driver & Software Support: Compatible with mainstream embedded operating systems, including Linux, Android, WinCE, and VxWorks, with standard display drivers available for most mainstream SoC platforms.
