The 2.1-inch round TFT display is a compact and stylish solution for modern smart devices, combining vibrant visuals and efficient space utilization.

As product design trends shift toward smaller, smarter, and more visually appealing interfaces, round displays are becoming increasingly popular across a wide range of applications. From smart thermostats and control knobs to wearable devices and compact medical monitors, the 2.1-inch round TFT display offers a versatile and modern solution that combines form with function.

Rocktech’s RK021BF005 is a 2.1-inch round IPS TFT LCD module designed for compact smart devices that require excellent visual performance in a limited space. With a 480×480 resolution, RGB interface, 600 cd/m² brightness, and 1000:1 contrast ratio, this display delivers sharp, bright, and vibrant images suitable for both indoor and outdoor conditions.

This round TFT display is built on IPS panel technology, providing full viewing angles (85° in all directions) and consistent color performance regardless of how it’s mounted. Its compact size and high contrast ratio make it especially valuable in devices where space is limited but clarity is critical.

2.1-Inch Round TFT Display Overview：

• Display Size: 2.1 inches (round)

• Resolution: 480×480 pixels

• Brightness: 600 cd/m²

• Contrast Ratio: 1000:1

• Interface: RGB

• Technology: IPS panel with wide viewing angles

• Touch Option: Optional capacitive touch panel (PCAP)

• Custom Options: Anti-glare, anti-UV coatings, cover glass, waterproof structure

Application Scenarios

Smart Home Devices
The RK021BF005 is ideal for smart thermostats, home automation dials, digital locks, and other round interface elements commonly used in modern interior environments. The round form factor allows for seamless integration into minimalistic or decorative designs.

Wearable Technology
In fitness trackers, smartwatches, and portable health monitors, the 2.1-inch round display offers a compact yet visually effective screen for displaying key information such as time, steps, heart rate, and notifications.

Medical Equipment
Handheld diagnostic tools and monitoring devices often require compact, readable displays with clear data output. This round TFT meets the need for visibility, size efficiency, and touch control.

Industrial Control Panels
This display can replace analog meters and rotary switches in industrial HMI systems, offering a modern digital readout in circular enclosures for temperature, voltage, or speed monitoring.

Why Choose Rocktech for Your Round TFT Display?

Rocktech provides complete display solutions – not just screens. We support customized development including:

• Touch panel integration with optical bonding

• Custom cover glass design with IK protection or waterproof structure

• Support for Android/Linux-based embedded boards like Rockchip PX30 or RK3566

• ODM services from PCB layout to firmware and mass production

With deep experience across smart home, medical, and industrial sectors, Rocktech can support your product from concept to market with flexible engineering and competitive pricing.

Ready to Get Started?

If you’re designing a compact device that needs a bright, round interface, Rocktech’s RK021BF005 is a proven and reliable solution. Contact our team for datasheets, samples, or to explore a fully customized display solution.

📩 Email: sales@rocktech.com
🌐 Website: www.rocktech.com

In addition to hardware supply, Rocktech supports firmware integration, system debugging, and long-term lifecycle management. Our engineering team helps clients from concept validation to mass production, ensuring reliability, compliance, and scalability.

For similar modules, check out our 3.4-inch round TFT display, designed for EV interfaces and high-brightness applications.