Display Modules

2.1 Inch Round TFT LCD Display, 480×480 Resolution, SPI+RGB Interface, Optional CTP Touchscreen

Display and controller solution support for engineering-driven projects.

LCD Size: 2.1 inches
Resolution: 480 × 480 pixels
Brightness: 300 cd/m²
Interface Type: SPI + RGB
Touch Support: Optional CTP Touch Panel

Size(inch) 2.1

Touch No

Brightness (cd/m²) 300

Interface SPI / RGB

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.

SKU: GX021-40RB-A1 Category: Display Modules, Round Display

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2.1 Inch Round TFT LCD Display, 480×480 Resolution, SPI+RGB Interface, Optional CTP Touchscreen

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 2.1-inch round TFT LCD display is designed for compact embedded applications requiring a circular form factor, clear image quality, and flexible system integration. With a 480×480 resolution, 300 cd/m² brightness, and a SPI+RGB interface, it provides a practical display solution for smart devices, industrial interfaces, wearable electronics, and customized embedded products.

The round LCD design offers a distinctive visual appearance compared with traditional rectangular displays, making it suitable for applications where product aesthetics and space utilization are important. The module supports optional capacitive touch panel (CTP) integration, enabling interactive user interfaces for smart terminals and control systems.

Powered by the 7701S driver IC, this display module supports reliable image control and integration with embedded systems. The compact mechanical design, with a 56.18 × 59.71 × 2.30 mm outline size, allows flexible installation in space-limited devices.

Specification

Item	Specification	Unit	Remark
LCD Size	2.1	inch	Round display
Resolution	480 × 480	pixels	Square resolution
Driver IC	7701S	—	Display controller IC
Viewing Area	53.28 × 53.28	mm	Active display area
Module Size	56.18 × 59.71 × 2.30	mm	Compact module design
Brightness	300 (Typ.)	cd/m²	Standard brightness
Interface	SPI + RGB	—	Flexible embedded integration
Touch Panel	Without / With CTP	—	Optional capacitive touch support
Operating Temperature	-20 ~ +70	°C	Industrial application range

Key Features

Compact 2.1-Inch Round TFT Display

The circular display format provides a unique visual design for embedded products where traditional rectangular displays may not meet mechanical or industrial design requirements.

480×480 High-Resolution Display

With a 480×480 pixel resolution, this module delivers detailed graphics and smooth UI rendering for compact smart devices and interactive applications.

Flexible SPI + RGB Interface

The SPI and RGB interface combination provides flexible connection options for different embedded platforms, allowing engineers to select suitable communication methods according to system requirements.

Optional Capacitive Touch Integration

The module supports optional CTP touch panel integration, enabling touch-based interaction for smart control interfaces, portable devices, and user terminals.

Compact Mechanical Structure

With a thin outline of 56.18 × 59.71 × 2.30 mm, the display is designed for space-constrained applications requiring lightweight and efficient integration.

Wide Operating Temperature Range

The display supports operation from -20°C to +70°C, making it suitable for various indoor and industrial embedded environments.

Applications

Smart Wearable Devices
Industrial Control Interfaces
Smart Home Devices
Portable Equipment
IoT Terminals
Embedded HMI Systems
Medical and Healthcare Devices
Automotive Interior Displays

Application Scenarios

Wearable and Portable Devices

The round 2.1-inch TFT display provides a compact and visually distinctive interface for wearable products, portable instruments, and smart electronic devices.

Embedded HMI Systems

The combination of high-resolution graphics, optional touch support, and flexible interface options makes it suitable for embedded human-machine interaction systems.

Smart Home Control Products

The circular design can enhance product appearance in smart switches, control panels, and connected home devices.

Industrial Monitoring Equipment

The wide operating temperature range and compact structure allow integration into industrial instruments and monitoring terminals.

Customized Electronic Products

For OEM projects requiring unique display shapes, RJY Display can provide engineering support including touch integration, interface adaptation, backlight customization, and controller matching based on project requirements.

Why Choose This 2.1-Inch Round TFT LCD Display?

Compact round display design for differentiated product appearance
480×480 resolution for detailed UI and graphic display
SPI + RGB interface support for embedded system integration
Optional CTP touch panel for interactive applications
Suitable for compact industrial and smart device applications
Custom display support based on project requirements

Would you like to receive the datasheet, 3D model (STEP file), or a sample quote for evaluation?
Contact RJY Display for display integration support and customized TFT LCD solutions.

Size(inch)	2.1
Touch	No
Brightness (cd/m²)	300
Interface	SPI, RGB

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

Project Inquiry

Request Compatibility Review or Project Quote

Share your project requirements so RJY can review product fit, display matching, controller board configuration, and customization needs.

Target application or device type
Display size, resolution, and interface
Touch, brightness, and cover glass needs
Controller board or firmware requirements
Operating environment and mechanical limits
Sample quantity and annual demand
Datasheet, drawing, or reference product

Knowledge Hub

Facing a bottleneck in your Embedded Display Project?