Standard Displays

4 inch Square TFT LCD Display – 720*720 High-resolution, MIPI Interface, LCD Touch Panel

Display and controller solution support for engineering-driven projects.

Size: 4 inch square lcd module
Touch: With Touch
Resolution: 720*720
Touch Interface: I2C
Display interface: MIPI
Display driver IC: AXS1832
Touch IC: FT6336U(Single-touch) , AXS9621(multitouch), HY4621(multi-touch)

Size(inch) 4.0

Brightness (cd/m²) 300

Resolution 720×720

Interface MIPI

Request Compatibility Review View Technical Details

For faster evaluation, please share your target application, display size, resolution, interface, touch requirement, controller board requirement, and annual demand.

Category: Standard Displays

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4 inch Square TFT LCD Display - 720*720 High-resolution, MIPI Interface, LCD Touch Panel

Engineering Review

Confirm Product Fit Before Sampling

Display and controller board projects usually require more than a model number. RJY can review your technical requirements before sample or quotation discussion.

Specification Matching

Check display size, resolution, brightness, viewing angle, touch requirement, and operating environment.

Interface & Board Review

Review interface type, pin definition, controller board requirement, driver IC, and system compatibility.

Customization Direction

Discuss cover glass, backlight, touchscreen, FPC, firmware, and mechanical coordination when needed.

RFQ Preparation

Prepare application details, sample quantity, annual demand, target timeline, datasheet, or reference product.

This 3.95-inch TFT LCD module features a resolution of 480(RGB) x 480 pixels and supports 16.7 million colors, delivering vibrant and clear visuals. With a compact design (74.66(W) × 76.54(L) × 2.09(H) mm), it includes a capacitive touch panel (84(W) × 84(L) × 3.97(H) mm) for enhanced interactivity. The module offers a wide viewing angle (all O’Clock) and uses an LED backlight with 250 cd/m² luminance, ensuring good visibility.

Powered by the ST7701 driver IC and NT8052C touch IC, it supports RGB and SPI interfaces for flexible integration. With an operating temperature range of -20°C to +70°C, this module is ideal for automotive, industrial, and consumer applications, providing reliable performance in various environments.

Item	Contents	Unit	Remarks
LCD Type	TFT	–	3.95-inch TFT
Recommended Viewing Direction	ALL O’Clock	–	–
Module Area	74.66(W) × 76.54(L) × 2.09(H)	mm	–
Module + CTP Area	84(W) × 84(L) × 3.97(H)	mm	–
Active Area	71.86(W) × 70.18(L)	mm	–
Number of Dots	480(RGB) × 480	Dots	–
Pixel Pitch	0.1462 × 0.1462	mm	–
Driver IC	ST7701	–	–
Touch IC	NT8052C	–	–
Interface Type	RGB + SPI Interface	–	–
Colors	16.7M	–	–
Backlight Type	LED	–	–

APPLICATION OF 4 INCH 720*720 TFT LCD MODULE

Industrial Control Systems: The 4 inch touchscreen can be used in industrial control systems where a compact and durable display is required. It can be utilized in control panels or HMI (Human-Machine Interface) devices to monitor and control various industrial processes.

Portable Gaming Devices: The square LCD panel touchscreen can be employed in handheld gaming consoles or portable gaming devices. It can provide an interactive display for gaming controls, menus, and gameplay visuals.

Point-of-Sale (POS) Systems: The 4 inch LCD touchscreen can be used in compact point-of-sale systems for retail or hospitality industries. It can serve as an interactive interface for customers and cashiers to input information, select items, and complete transactions.

Medical Devices: The 4 inch TFT display can find applications in medical devices, such as portable diagnostic devices or patient monitoring systems. It can provide a visual interface for displaying vital signs, medical data, or test results.

IoT (Internet of Things) Devices: The Square TFT touchscreen can be integrated into various IoT devices where a compact and interactive display is needed. For example, it can be used in smart home control panels, home automation systems, or IoT-enabled appliances.

Handheld Measurement Instruments: The 4inch Touch display can be utilized in handheld measurement instruments like multimeters, oscilloscopes, or thermal cameras. It can provide a visual interface to display measurement readings, waveforms, or thermal images.

Personal Digital Assistants: The compact size and touch functionality make the display suitable for personal digital assistants (PDAs) or handheld organizers. It can provide a visual interface for managing schedules, contacts, notes, and other personal information.

Size(inch)	4.0
Brightness (cd/m²)	300
Resolution	720×720
Interface	MIPI

FAQ

Is RJY an Original Equipment Manufacturer (OEM)?

Yes. RJY is a direct provider and manufacturer with vertically integrated capabilities, offering full-cycle hardware innovation from design and PCBA assembly to final system integration.

What types of customization does RJY accept?

We can provide customization in the following four distinct areas: Systems & HMI、Display Modules、Software Services、Industrial Design.

What is the stock status for this product?

Most products on display have at least one unit in stock for testing or quick sampling. For sample requests over 20 units, please check with us in advance to ensure the current stock status.

How are the fees structured for custom projects?

Our custom project fees typically consist of two main components:
NRE (Non-Recurring Engineering) fees and unit pricing.
In many cases, if your order reaches a certain volume, we offer to offset or credit a portion of the NRE fees back to you.

How long does a typical customization project take?

The timeline depends on the depth of customization:
Software/Firmware Tweaks: 1-2 weeks
Minor Hardware Modifications: 4-6 weeks
Full-Cycle R&D Projects: 12-16 weeks

Knowledge Hub

4 inch Square TFT LCD Display – 720*720 High-resolution, MIPI Interface, LCD Touch Panel