3.97‑inch TFT LCD Display Module – 480×800, IPS Full View, 2‑Lane MIPI Interface
Product Overview
This 3.97‑inch TFT LCD module delivers stunning high‑definition visuals at a resolution of 480 × RGB × 800 pixels with a portrait orientation. Powered by the ST7701S driver IC, it features a 2‑lane MIPI DSI interface, enabling high‑speed data transmission with reduced pin count – ideal for modern application processors and high‑performance embedded systems.
The panel utilizes a Normally Black, Transmissive LCD with IPS wide‑viewing technology, delivering exceptional colour fidelity and contrast from virtually any direction. With an ultra‑slim 2.15 mm profile, a large active area of 86.4 × 51.84 mm, and a wide operating temperature range (‑20°C to +70°C), this module is a premium choice for demanding industrial, automotive, and consumer applications.
Key Features
- HD‑grade display – 480×RGB×800 dots for crisp, detailed graphics and sharp text
- IPS full viewing angle – Consistent colour and contrast from any perspective
- 2‑lane MIPI DSI interface – High‑speed serial connection with low pin count
- Normally Black technology – Deeper blacks and superior contrast ratio
- Ultra‑slim design – 2.15 mm thickness for space‑constrained designs
- Large active area – 86.4 × 51.84 mm with 0.108 mm pixel pitch
- Long‑life LED backlight – 50,000 hours typical, normally white
- Wide temperature range – Operating: ‑20℃ to +70℃; Storage: ‑30℃ to +80℃
- Efficient power consumption – Typical 65 mA driver current
- No touch panel – Optimised for pure display performance
- Glare surface – Enhanced colour saturation for vivid visuals
Technical Specifications
General Specifications
| Display Size | 3.97 inch (diagonal) |
| Resolution | 480 × RGB × 800 dots |
| LCD Type | TFT, Normally Black, Transmissive |
| View Direction | IPS (Full View) |
| Aspect Ratio | Portrait |
| Driver IC | ST7701S |
| Interface | 2‑Lane MIPI DSI |
| Backlight | LED, Normally White |
| Touch Panel | Without Touch Panel |
| Surface Treatment | Glare |
Mechanical Dimensions
| Module Dimension | 57.14 (W) × 96.85 (H) × 2.15 (D) mm |
| Active Area | 51.84 (W) × 86.4 (H) mm |
| Pixel Pitch | 0.108 × 0.108 mm |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|
| Operating Temperature | TOP | -20 | +70 | ℃ |
| Storage Temperature | TST | -30 | +80 | ℃ |
Electrical Characteristics (Typical Operation Conditions)
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|
| Interface Supply Voltage | VCI | 2.8 | – | 3.3 | V |
| Power Voltage (I/O) | IOVCC | 1.65 | 1.8 | 3.3 | V |
| Driver Current (White) | IDD | – | 65 | 98 | mA |
LED Backlight Driving Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|
| LED Current | ILED | – | 40 | – | mA |
| LED Voltage | VLED+ | 13.5 | 15 | 17 | V |
| LED Lifetime | – | – | 50,000 | – | Hr |
Interface Pin Definition
The module uses a 2‑lane MIPI DSI interface with differential clock and two data pairs.
| Pin | Symbol | Function |
|---|
| 1 | GND | Power ground |
| 2‑5 | NC | No connection |
| 6 | GND | Power ground |
| 7 | D0N | MIPI data lane 0 negative |
| 8 | D0P | MIPI data lane 0 positive |
| 9 | GND | Power ground |
| 10 | CLK_N | MIPI clock negative |
| 11 | CLK_P | MIPI clock positive |
| 12 | GND | Power ground |
| 13 | D1N | MIPI data lane 1 negative |
| 14 | D1P | MIPI data lane 1 positive |
| 15 | GND | Power ground |
| 16 | IOVCC | I/O interface power supply (1.8V) |
| 17 | RESET | Reset input |
| 18 | TE | Tearing effect output pin |
| 19 | VCI | Analog power supply |
| 20 | VCI | Analog power supply |
| 21 | NC | No connection |
| 22 | LEDK | LED backlight cathode |
| 23 | LEDA | LED backlight anode |
| 24 | GND | Power ground |
Typical Applications
This high‑performance display module is ideal for:
- Industrial HMIs – High‑end operator panels and process control interfaces
- Automotive displays – Infotainment systems, instrument clusters, and rear‑seat entertainment
- Medical equipment – Portable diagnostic devices and patient monitoring systems
- Smart home & IoT – Premium smart displays, home automation hubs, and security panels
- Portable consumer devices – Handheld gaming, multimedia players, and wearables
- POS & retail – Payment terminals, self‑service kiosks, and digital signage
Note: The portrait orientation is fixed. For landscape requirements, please consult our technical support team for alternative options.
Why Choose This Module?
- Premium HD display quality – 480×800 resolution with IPS full‑view technology delivers stunning visuals and wide colour gamut.
- High‑speed MIPI interface – 2‑lane DSI supports high refresh rates and smooth video playback.
- Ultra‑slim and lightweight – 2.15 mm profile fits seamlessly into sleek, portable products.
- Superior contrast – Normally Black technology with glare surface enhances depth and saturation.
- Low power consumption – Efficient driver design extends battery life in portable applications.
- Proven ST7701S controller – Reliable, well‑documented solution with strong ecosystem support.
- Quality assured – Manufactured in ISO9001/ISO14001 certified facilities.
Ordering Information
| Order Code | Description |
|---|
| 3.97‑TFT‑MIPI‑HD | 3.97‑inch TFT module, 480×800, IPS full view, 2‑lane MIPI, ST7701S, glare, no touch |
For volume pricing, sample requests, or technical drawings, please contact our sales team directly.
All specifications are subject to change without prior notice. Colour tone may vary slightly with temperature and driving voltage.
