The 3.9-inch 480×800 31PIN MIPI In-Cell LCD Module (Model No. DBT039BVC31M035A) is a compact, high-performance display designed for embedded systems, smart terminals, and industrial applications that demand reliable touch response and crisp visual performance. It integrates in-cell capacitive touch technology directly within the LCD structure, reducing module thickness and improving optical clarity. The MIPI interface provides efficient high-speed data transmission with low power consumption, making this display suitable for modern handheld devices, industrial control panels, and portable equipment.
Unlike add-on touch overlays, in-cell touch technology embeds the touch sensing layer within the LCD panel itself. This design offers:
Lower module profile for slim product designs
Improved touch accuracy and responsiveness
Better optical performance with reduced parallax
Simplified mechanical assembly
This makes the module suitable for compact devices where space is at a premium, such as smart medical instruments and handheld interfaces.
The MIPI (Mobile Industry Processor Interface) provides:
Fast data transmission suited for high-resolution display updates
Low power draw, ideal for battery-powered devices
Compatibility with modern processors and embedded boards
Simplified signal routing due to fewer required signal lanes
This interface is widely adopted in mobile and embedded platforms, including Linux and Android-based designs.
The 480×800 resolution in a vertical format provides:
Fine text rendering for user interfaces
Balanced aspect ratio for list-based or portrait UIs
Clear graphical presentations for small screens
The resolution is well-suited to compact controls, smart panels, and handheld monitors where UI clarity is critical.
Despite its compact size, this module offers robust performance in embedded and industrial environments:
Stable operation within standard industrial temperature ranges
IPS wide viewing angle for consistent display from off-axis viewing positions
Low overall power consumption
These characteristics make it ideal for devices that operate continuously or in multi-operator environments.
To ensure clarity and easy comparison, the key specifications are summarized below:
| Parameter | Specification |
|---|---|
| Display Size | 3.9 inch |
| Resolution | 480 × 800 pixels |
| Active Area | 52.24 × 86.80 mm |
| Panel Type | IPS TFT LCD with In-Cell Touch |
| Brightness | 350 cd/m² |
| Viewing Angle | Wide (IPS) |
| Parameter | Specification |
|---|---|
| Interface | MIPI DSI, 31-pin |
| Touch Type | Built-in In-Cell Capacitive |
| Typical Power | Low power via MIPI |
| Parameter | Specification |
|---|---|
| Module Size | 59.79 × 101.78 × 3.36 mm |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -30°C to +80°C |
Detailed datasheet, mechanical drawings, and pin assignments are available upon request.
Ideal for smart handheld equipment, IoT controllers, and portable interfaces where compact size and touch responsiveness are essential.
Use within small HMIs, monitoring consoles, and embedded control systems requiring reliable display and interactive touch performance.
Applicable in smart home controllers and security panels where intuitive touch input enhances the user experience.
Display integration involves more than selecting the right module — it requires careful alignment with both hardware and firmware layers. Our support services include:
MIPI interface compatibility consultation
Signal mapping and pin assignment guidance
Touch driver calibration and integration support
Mechanical mounting and enclosure adaptation advice
Optical performance tuning
Engineering support helps reduce development risk and accelerates time-to-market for OEM and embedded projects.
Yes. The in-cell capacitive touch layer is integrated within the LCD structure, providing better optical clarity and touch responsiveness compared to add-on touch overlays.
This display uses a 31-pin MIPI interface, offering high-speed data transmission and low power consumption for embedded systems.
While designed for embedded and industrial applications, it operates within a standard temperature range of -20°C to +60°C and is suitable for typical indoor industrial environments.
Customization such as enhanced brightness, anti-glare coating, or cover glass modifications can be discussed based on project requirements.
The 3.9-inch 480×800 31PIN MIPI In-Cell LCD Module offers a compact, responsive, and energy-efficient display solution suitable for embedded devices, industrial controls, medical instruments, and smart interfaces. With built-in in-cell capacitive touch, wide IPS viewing angles, and a MIPI interface, it delivers dependable performance in a small form factor.
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