Display Modules

2.8-Inch Round TFT LCD Display, 480×480 Resolution, SPI+RGB Interface, Optional CTP Touch Panel

Name: 2.8-Inch Round TFT LCD Display, 480×480 Resolution, SPI+RGB Interface, Optional CTP Touch Panel GX028-40RB-A1 - RJY Display
SKU: GX028-40RB-A1

Display and controller solution support for engineering-driven projects.

– LCD Size: 2.8 inches
– Resolution: 480 × 480 pixels
– Brightness: 350 cd/m²
– Interface Type: SPI + RGB
– Touch Support: Optional CTP Touch Panel

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: GX028-40RB-A1 Category: Display Modules, Round Display

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2.8-Inch Round TFT LCD Display, 480×480 Resolution, SPI+RGB Interface, Optional CTP 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.

Description
FAQ

This 2.8-inch round TFT LCD display is designed for compact embedded applications requiring a circular display format, high-quality image performance, and flexible system integration. With a 480×480 resolution, 350 cd/m² brightness, and a SPI+RGB interface, it provides a practical display solution for smart devices, industrial interfaces, wearable electronics, and customized HMI applications.

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

Equipped with the 7701S driver IC, this display module supports reliable image control and integration with embedded systems. The compact structure, with an outline dimension of 73.03 × 76.48 × 2.30 mm, allows flexible installation in space-limited devices.

Specification Table

Item	Specification	Unit	Remark
LCD Size	2.8	inch	Round display
Resolution	480 × 480	pixels	Square resolution
Driver IC	7701S	—	Display controller IC
Viewing Area	70.128 × 70.128	mm	Active display area
Module Size	73.03 × 76.48 × 2.30	mm	Compact mechanical design
Brightness	350 (Typ.)	cd/m²	High visibility display
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

2.8-Inch Round TFT LCD Design

The circular display structure provides a distinctive appearance for embedded products and allows designers to create compact and differentiated user interfaces.

480×480 High-Resolution Display

The 480×480 pixel resolution delivers detailed images, smooth graphics, and clear UI elements for smart devices and embedded applications.

SPI + RGB Interface Support

The SPI and RGB interface combination provides flexible connection options for different embedded system architectures and display integration requirements.

Optional CTP Touch Function

The display supports optional capacitive touch panel integration, enabling interactive operation for HMI systems, smart terminals, and control interfaces.

Compact Mechanical Structure

With an outline dimension of 73.03 × 76.48 × 2.30 mm, this round LCD module is suitable for products with limited installation space.

Wide Operating Temperature Range

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

Applications

Smart Wearable Devices
Industrial Control Interfaces
Smart Home Control Panels
IoT Devices
Embedded HMI Systems
Portable Equipment
Medical Equipment Interfaces
Automotive Interior Electronics

Application Scenarios

Smart Wearable Devices

The compact round display format is suitable for wearable electronics and portable devices that require a modern circular user interface.

Embedded HMI Applications

The combination of high-resolution graphics, optional touch capability, and flexible interface options supports embedded human-machine interaction systems.

Smart Home Interfaces

The round display design provides an attractive solution for smart switches, control panels, and connected home devices.

Industrial Monitoring Equipment

The compact structure and wide operating temperature range allow integration into industrial instruments, monitoring systems, and control equipment.

Customized Display Projects

RJY Display supports project-based display customization, including touch integration, interface adaptation, backlight customization, and controller matching according to application requirements.

Why Choose This 2.8-Inch Round TFT LCD Display?

Round TFT LCD format for unique product design requirements
480×480 resolution for clear and detailed graphical interfaces
SPI + RGB interface support for embedded system integration
Optional CTP touch panel for interactive applications
Compact mechanical structure for space-limited products
Suitable for industrial and smart device applications
Customization support based on project requirements

Request Information

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.

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