




1.28 Inch Round TFT Screen for Smart Control Devices
Quick Product Summary
The 1.28 Inch Round TFT LCD Display Module from Brownopto Display is a compact circular display solution designed for smart control panels, rotary interface devices, embedded systems, compact HMI products, and portable electronic devices that require a true round display layout and stable SPI communication.
- Product type: 1.28 inch true round TFT LCD display module
- Core specifications: 240 × 240 resolution, 300 nits brightness, ST7789 driver IC, 12-pin / 4-line SPI interface
- Best for: smart knobs, round control terminals, compact dashboard-style interfaces, embedded HMI systems, and portable devices
- Main advantage: compact circular form factor with stable SPI communication and practical embedded integration value
- Recommended use: engineering evaluation, OEM development, embedded product integration, and round UI applications
- Optional support: can be paired with optional driver boards for testing, prototyping, and project development
- Selection note: suitable for indoor and general-purpose display applications; interface and mechanical fit should be confirmed based on the actual controller platform and product structure
Product Overview
The 1.28 Inch Round TFT LCD Display from Brownopto Display is a compact circular display solution designed for smart control panels, rotary interface devices, compact HMI systems, and wearable-style visual applications. With a clean round form factor, stable SPI communication, and reliable driver support, it is well suited for products that require an attractive and space-efficient display interface.
This module features a 240 × 240 resolution, 300 nit brightness, and a 32.4 × 32.4 mm active area, delivering clear image presentation in a small-format design. It uses the ST7789 driver IC and supports a 12-pin / 4-line SPI interface, helping simplify integration for embedded development projects.
For customers requiring a more complete application solution, this round screen can also be paired with optional driver boards, including a parallel port drive board, rotary control display board, and AI human-computer interaction driver board, making it more flexible for prototyping and mass-production deployment.

Key Features
- Compact Round Display Design: The 1.28 inch circular format is ideal for products with a modern round UI, such as smart knobs, compact dashboards, control terminals, and portable smart devices.
- Reliable ST7789 Driver IC: Equipped with the widely used ST7789 controller, offering stable display performance and convenient development support for embedded systems.
- 240 × 240 Resolution: Provides balanced image clarity for icons, text, status data, and basic graphical interfaces within a compact screen size.
- 300 Nit Brightness: Ensures good visibility in standard indoor environments and many commercial device applications.
- SPI Communication Interface: Uses a 12-pin / 4-line SPI interface, helping reduce wiring complexity and making it suitable for MCU-based and embedded control platforms.
- Optional Driver Board Support: Can be matched with multiple driver board options for different development and application scenarios, improving integration flexibility.
Who This Product Is Best For
Technical Specifications
| Product Name | 1.28 Inch Round TFT LCD Display Module |
|---|---|
| Brand | Brownopto Display |
| Display Size | 1.28 Inch |
| Display Shape | Round Screen |
| Driver IC | ST7789 |
| Resolution | 240 × 240 |
| Brightness | 300 nits |
| Interface | 12-pin / 4-line SPI |
| Active Area | 32.4 × 32.4 mm |
| Outline Dimensions | 35.6 × 37.74 × 1.6 mm |
Note: For actual project implementation, it is recommended to confirm interface matching, pin definition, controller compatibility, software support, and installation space before final selection.
Optional Matching Driver Boards
This 1.28 inch round TFT LCD display can be paired with optional driver boards for faster evaluation, prototyping, embedded testing, and project development.
- Parallel Port Drive Board: A practical option for general-purpose applications, offering strong compatibility and a cost-effective development path.
- Rotary Control Display Board: Suitable for rotary-type interface projects, helping developers build compact control display systems more efficiently.
- AI Human-Computer Interaction Driver Board: Designed for more advanced smart interaction scenarios where display and intelligent interface integration are required.
Selection note: Based on the product sheet, the parallel port drive board is described as a versatile and cost-effective option for broader application use.
Product Selection Notes
This product uses a 12-pin / 4-line SPI interface, making it suitable for many compact embedded applications that require straightforward communication structure and efficient hardware integration.
With its round display shape, practical resolution, and optional driver board support, it is a useful choice for developers looking for a compact circular display solution with convenient project matching.
- Choose this model when your project requires a small round TFT LCD with SPI communication and compact dimensions.
- Confirm interface compatibility according to your MCU platform, signal design, and software development path.
- Check mechanical fit based on active area, outline dimensions, connector layout, and front-panel structure.
- Evaluate brightness suitability if the device will be used in brighter ambient light conditions.
- Confirm development support needs in advance if you require matching driver boards, evaluation kits, or project-based integration assistance.
Application Scenarios
This 1.28 inch round TFT LCD module is suitable for compact interface products that require a stylish circular display area and stable embedded communication.
Packaging and Delivery
Each display module is packed with care to help protect the screen, FPC, and structural parts during storage and shipment.
- Selling Units: Single item and bulk order supply supported
- Customization Support: Driver board matching and project-based display solutions are available for development and volume applications
- Shipping: Global shipping supported, with final freight based on order quantity and destination
Frequently Asked Questions
1. What is the 1.28 inch round TFT LCD display mainly used for?
This round TFT LCD display is mainly used for compact smart devices, rotary control interfaces, embedded HMI systems, and products that require a circular visual interface in a limited installation space.
2. Is this a true round TFT LCD display?
Yes. This module is a true circular TFT LCD display designed for products that need a round screen layout and a compact visual interface.
3. Which driver IC is used in this display module?
The module uses the ST7789 driver IC, which is widely adopted for compact TFT LCD display applications and is convenient for embedded development.
4. What resolution does this round screen support?
It supports a resolution of 240 × 240, suitable for icons, text, status information, and basic graphical interfaces in a compact round layout.
5. What interface does this round screen support?
It supports a 12-pin / 4-line SPI interface, which helps reduce interface complexity and makes the module suitable for many MCU and embedded control systems.
6. Are driver boards available for development and testing?
Yes. Optional driver boards are available, including a parallel port drive board, rotary control display board, and AI human-computer interaction driver board.
7. Is this display suitable for cost-sensitive projects?
Yes. The product information notes that the optional parallel port drive board solution is versatile and cost-effective, making it suitable for many practical development and product integration projects.
8. Is 300 nits brightness suitable for all environments?
300 nits brightness is generally suitable for indoor and general electronic display applications. For brighter ambient environments, brightness suitability should be evaluated according to the actual use condition.
9. What should be confirmed before selecting this module?
It is recommended to confirm the SPI interface matching, controller compatibility, pin definition, mechanical dimensions, and whether driver board support is needed before final selection.
10. What is the main benefit of this 1.28 inch round TFT LCD display?
The main benefit is that it combines a true circular display structure, 240 × 240 resolution, stable SPI communication, and compact size for embedded and smart control applications.
Why Choose This Round TFT LCD Module
The 1.28 Inch Round TFT LCD Display combines compact size, practical resolution, stable ST7789 control, and flexible driver board options, making it a reliable solution for developers and manufacturers building round-interface products.
Whether you are developing a smart control knob, a compact HMI device, or an embedded circular display application, this module offers a balanced combination of structure, performance, and integration convenience for commercial and industrial use.

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Touchscreen Enhancement
Boost your device’s interactivity with our advanced touchscreen technology. We tailor the panel shape and glass thickness to your requirements, enhancing your product’s user experience.

Custom Cable Design
Steady and efficient hardware connections play a vital role in guaranteeing optimal display performance. Our bespoke cabling solutions ensure consistently stable and efficient connectivity, supporting your display unit’s essential operations.

Interface Customization
Enhance the performance of your devices with our tailored display interface solutions. We provide a variety of commonly used interfaces, including MIPI, TTL/RGB, MCU, LVDS, EDP, and SPI. We tailor these interfaces to align with your specific device requirements, ensuring optimized performance and efficiency.

Cover Glass Customization
High-quality cover glass serves to protect your display and enhance the stability and durability of your device. Selecting the appropriate glass thickness and conducting optical bonding further elevates the display quality. Our customized glass solutions ensure that your device not only looks good, but also stood the test of time.

Software/Firmware Customization
Enhance display performance with our customized software and firmware. We tailor the user interface to your device’s needs, maximizing user experience and operational efficiency.

INTELLIGENT CONTROL BOARD
Utilizes high-performance processors and advanced algorithms to achieve fast response and high-efficiency data processing capabilities. Supports various communication protocols to ensure seamless connection with external devices.
Round TFT LCD Series FAQ
Common questions about round TFT LCD displays for OEM and embedded applications.
What is a round TFT LCD display used for?
A round TFT LCD display is commonly used in products that require a circular user interface, such as smart thermostats, rotary control panels, smart home devices, compact HMI terminals, dashboard-style interfaces, and custom embedded products.
Why choose a round TFT display instead of a standard rectangular LCD?
A round TFT display is a better choice for products with circular housings, dial-based layouts, or rotary interaction logic. It helps improve design consistency, reduces unused display corners, and supports round UI elements more naturally than a standard rectangular LCD.
What interfaces are commonly available for round TFT LCD modules?
Round TFT LCD modules are commonly available with interfaces such as MIPI, RGB, MCU, SPI, and QSPI, depending on the display model and project requirements. The right interface should be selected based on the controller platform, pin availability, data speed, and development architecture.
Can round TFT LCD displays be used in OEM and embedded projects?
Yes. Round TFT LCD displays are widely used in OEM and embedded product development. They are suitable for engineering evaluation, hardware integration, interface testing, and mass-production projects that require compact circular display solutions.
What should be confirmed before selecting a round TFT LCD module?
Before selecting a round TFT LCD module, it is best to confirm the required display size, resolution, interface type, brightness level, controller compatibility, mechanical space, and whether a matching driver board or customization support is needed.











