DMHDT0397WVNA
- 💹 Enjoy a 20% discount for orders over 500
- 📉 A 15% discount is available for orders ranging from 200 to 499
- 🎁 A 10% discount is available for orders ranging from 50 to 199
- 🎁 A 5% discount is available when ordering 10-49
Interested in customizing this product? Get in touch with us.
Order samples, immediate delivery.
Factory bulk lead time: 3 weeks.
DMHDT0397WVNA
- 💹 Enjoy a 20% discount for orders over 500
- 📉 A 15% discount is available for orders ranging from 200 to 499
- 🎁 A 10% discount is available for orders ranging from 50 to 199
- 🎁 A 5% discount is available when ordering 10-49
Mechanical Dimensions

3.97" TFT LCD Display 480×800 – RGB Interface with ST7701S Driver
The DMHDT0397WVNA is a 3.97-inch transmissive TFT-LCD module featuring 480×800 resolution, 16.7 million colors, and a high-brightness LED backlight. Designed for handheld and embedded applications requiring excellent visibility and performance under various lighting conditions.
Equipped with the ST7701S display driver IC and a 10-LED backlight system, this display delivers vivid image performance with reliable signal timing and consistent brightness across the panel.
- High Brightness: Typical luminance up to 700 cd/m² for clear readability in bright environments.
- Wide Viewing Angles: 80° in all directions with stable contrast ratio and color consistency.
- Robust Design: Operating temperature range from -20°C to +70°C suitable for industrial use.
- Energy Efficient: Optimized LED driver circuit for low power consumption and extended lifespan.
| Technical Parameter | Specification |
|---|---|
| Display Type | Transmissive TFT LCD |
| Screen Size | 3.97 inch |
| Resolution | 480 (RGB) × 800 pixels |
| Display Colors | 16.7M (RGB 8-bit) |
| Active Area | 51.84 × 86.40 mm |
| Module Dimensions | 55.64 × 94.10 mm |
| Pixel Arrangement | RGB Vertical Stripe |
| Driver IC | ST7701S |
| Interface | SPI + RGB Parallel (8-bit) |
| Backlight | 10 White LEDs in parallel |
| Brightness | Typ. 700 cd/m² |
| Contrast Ratio | 700:1 |
| Response Time | 25 ms (typ.) |
| Viewing Angle | 80° (U/D/L/R) |
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Weight | TBD |
DisplayModule offers full customization services for DMHDT0397WVNA to meet diverse industrial and commercial requirements, including interface adaptation, brightness tuning, and connector modifications.
- Custom Design Support: Tailored backlight, FPC, and driver configurations to fit your product.
- Mass Production Readiness: Certified for volume manufacturing with consistent optical performance.
- Engineering Support: Dedicated assistance for system integration and display optimization.
- Branding Options: OEM/ODM support for label and packaging customization.
Ideal for HMI systems, meters, and diagnostic devices with reliable operation across temperature ranges.
Used in handheld terminals, scanners, and embedded controllers requiring compact form factor and clarity.
Suitable for secondary displays and control panels in automotive applications.
Applied in consumer devices such as home controllers and security monitors.
The module supports standard RGB parallel interface with SPI command control and can easily integrate with most microcontrollers and embedded platforms.
- Electrical Interface: RGB 8-bit parallel + SPI control compatible with multiple MCUs.
- Power Supply: 2.8–3.3V (VCI), 1.8–3.3V (IOVCC) typical.
- Temperature Range: -20°C to +70°C ensures stability in industrial environments.
- Mechanical Fit: Standard 40-pin FPC layout for simplified integration.
Technical Documentation: Complete specifications, application notes, and reliability test results available for download.
Datasheet: Download DMHDT0397WVNA Datasheet (PDF)
Engineering Support: Contact our technical team for driver configuration, timing setup, and custom modifications.
