4-Inch Round Touch TFT LCD Display – 720*720 Resolution, 300 cd/m² Brightness, RGB Interface

LCD Size: 4.0 inches
Touch Type: G+G Capacitive Touch
Luminance: 300 cd/m² (Typical)
Resolution: 720(RGB)x720 pixels
Interface: RGB

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Our Custom Solutions

The 4 inch round LCD is a high-resolution, full-viewing-angle display solution designed for advanced UI applications. With a 720×720 pixel resolution, a perfectly circular 101.52 mm active display area, and an integrated G+G capacitive touch panel, this module offers both aesthetic flexibility and robust interactive performance.

Ideal for next-generation devices such as smart home interfaces, coffee machines, automotive clusters, and medical equipment, this circular LCD combines elegant design with industrial-grade durability and performance.

Item	Specification	Unit
LCD Size	4.0	inch
Display Mode	Normally Black	—
Resolution	720 (RGB) × 720	pixels
Pixel Pitch	0.18(H) × 0.18(V)	mm
Pixel Arrangement	RGB Vertical Stripe	—
Viewing Direction	All Angle	—
Display Colors	16.7M	—
LCD Active Area (AA)	101.52 × 101.52	mm
Touch Panel Viewing Area	102.12 × 102.12	mm
Module Dimensions (LCD)	105.6 × 109.87 × 2.13	mm
Module + CTP Dimensions	128.75 × 126.75 × 5.75	mm
Driver IC	FL7707	—
Interface	RGB	—
Touch Structure	G+G	—
Touch Controller IC	CST3240	—
Touch Points Supported	Multi-Touch	—
Surface Hardness	6H	—
Backlight Type	White LED	—
Operating Temperature	–30°C ~ +85°C	°C
Storage Temperature	–30°C ~ +85°C	°C

Key Features

True Round 4-Inch Display
720×720 resolution and symmetric circular design, perfect for stylish, space-efficient interfaces.
IPS Technology with All-Angle Viewing
Delivers excellent color fidelity and visibility from every direction.
High Durability Touch Panel
G+G structure with 6H surface hardness, ensuring longevity and scratch resistance in demanding environments.
Industrial-Grade Temperature Range
Reliable operation from –30°C to +85°C for harsh outdoor or embedded scenarios.
Smooth User Experience
Integrated CST3240 capacitive touch IC with multi-touch support enables fast, intuitive interactions.
Slim and Lightweight Module
Compact thickness of just 2.13 mm (LCD only), adaptable for design-critical or portable devices.

Typical Applications

Smart Coffee Machines and Appliances
Round Smart Home Interfaces or Wall-Mounted HMI
Wearables or Portable Medical Devices
Automotive Cluster Displays
Fitness Equipment with Touch UI
Modern Industrial Control Panels

Request a Quote or Sample

Interested in integrating this 4 inch round LCD into your product line? Contact us now for datasheets, technical drawings, or engineering samples. Custom interface or brightness options available on request.