4.0‑inch IPS TFT LCD Display Module – 480×480, IPS Full View, 1:1 Square, 2‑Lane MIPI Interface

4.0‑inch IPS TFT LCD Display Module – 480×480, IPS Full View, 1:1 Square, 2‑Lane MIPI Interface

Product Overview

This 4.0‑inch TFT LCD module delivers high‑definition visuals at a resolution of 480 × RGB × 480 pixels with a unique 1:1 square aspect ratio. Powered by the ST7701S driver IC, it features a 2‑lane MIPI DSI interface for high‑speed data transmission with minimal pin count – ideal for modern application processors and space‑constrained embedded systems.

The panel utilizes a Normally Black, Transmissive LCD with IPS wide‑viewing technology (80°/80°/80°/80°), delivering exceptional colour fidelity and contrast from virtually any direction. With an active area of 71.86 × 70.18 mm, an extended operating temperature range (‑30°C to +80°C), and a robust 4.77 mm profile, this module is a premium choice for automotive, industrial, and smart home applications requiring a square display format.

Key Features

• Square 1:1 aspect ratio – Unique 480×480 format, perfect for circular/squared UI designs
• IPS full viewing angle – 80° in all directions for consistent colour 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
• Wide active area – 71.86 × 70.18 mm for clear, comfortable viewing
• Extended temperature range – Operating: ‑30℃ to +80℃ for demanding environments
• Long‑life LED backlight – 50,000 hours typical, normally white
• Efficient power consumption – Optimised for battery‑sensitive applications
• No touch panel – Focused on pure display performance
• Glare surface – Enhanced colour saturation for vivid visuals

Technical Specifications

General Specifications

Mechanical Dimensions

Absolute Maximum Ratings

Electrical Characteristics (Typical Operation Conditions)

LED Backlight Driving Conditions

Please refer to the complete specification document for backlight driving parameters.

Interface Pin Definition

The module uses a 2‑lane MIPI DSI interface with differential clock and two data pairs.

Typical Applications

This unique square‑format display module is ideal for:

• Automotive displays – Round/square dashboard instruments, climate control panels
• Industrial HMIs – Square control panels, machine interfaces, and process monitors
• Smart home & IoT – Smart thermostats, doorbells, lighting control panels, and home hubs
• Medical equipment – Portable diagnostic devices and patient monitoring systems
• Retail & signage – Square digital displays, self‑service kiosks, and POS terminals
• Wearable & portable devices – Smartwatches, handheld instruments, and gaming devices

Note: The 1:1 square aspect ratio is fixed. For other aspect ratios, please consult our technical support team for alternative options.

Why Choose This Module?

• Unique square format – 480×480 1:1 aspect ratio enables creative UI designs for circular and square enclosures.
• Premium display quality – IPS full‑view with Normally Black technology delivers deep blacks and vibrant colours.
• High‑speed MIPI interface – 2‑lane DSI supports high refresh rates and smooth animations.
• Extended temperature range – ‑30°C to +80°C ensures reliable operation in harsh environments.
• Robust mechanical design – 4.77 mm profile with sturdy construction for long‑term durability.
• Proven ST7701S controller – Reliable, well‑documented solution with strong ecosystem support.
• Quality assured – Manufactured in ISO9001/ISO14001 certified facilities.

Ordering Information

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.