What Is a Round TFT LCD?
A round TFT LCD is a circular display module based on thin-film transistor liquid crystal display technology. Unlike a standard…
Share your application, interface, touch requirement, controller board requirement and estimated annual volume.
RGB, SPI and controller requirements are checked against the host platform.
Touch support depends on the selected module and project requirements.
LCD and controller board compatibility can be reviewed together.
Cover glass, backlight, FPC and mechanical coordination are available.
RJOYTEK 4 inch Square LCD Module 720*720 LCD Touch Panel, model is RJY040TG-720-720, Touch is acceptable customized, CTP/RTP, single touch/ Multi-touch.
| Model | RJY040TG-720-720 |
| Size | 4 inch TFT lcd module |
| LCD Type | TFT |
| Module area | LCM+CTP: 84 x 84(excluding FPC) x 2.82 LCM:74.83 x 78.98 (excluding FPC) x1.54 |
| Display Viewing area | 71.93×71.93 |
| Graphic format | 720 (RGB) × 720,16.7M colors |
| Display Driver IC | AXS1832 |
| Display Interface Type | 1/2/3/4 Lane MIPI |
| Touch Panel IC | FT6336U(Single-touch) AXS9621(multitouch) HY4621(multi-touch) |
| Touch Interface Type | I2C |


Industrial Control Systems: The 4 inch touchscreen can be used in industrial control systems where a compact and durable display is required. It can be utilized in control panels or HMI (Human-Machine Interface) devices to monitor and control various industrial processes.
Portable Gaming Devices: The square LCD panel touchscreen can be employed in handheld gaming consoles or portable gaming devices. It can provide an interactive display for gaming controls, menus, and gameplay visuals.
Point-of-Sale (POS) Systems: The 4 inch LCD touchscreen can be used in compact point-of-sale systems for retail or hospitality industries. It can serve as an interactive interface for customers and cashiers to input information, select items, and complete transactions.
Medical Devices: The 4 inch TFT display can find applications in medical devices, such as portable diagnostic devices or patient monitoring systems. It can provide a visual interface for displaying vital signs, medical data, or test results.
IoT (Internet of Things) Devices: The Square TFT touchscreen can be integrated into various IoT devices where a compact and interactive display is needed. For example, it can be used in smart home control panels, home automation systems, or IoT-enabled appliances.
Handheld Measurement Instruments: The 4inch Touch display can be utilized in handheld measurement instruments like multimeters, oscilloscopes, or thermal cameras. It can provide a visual interface to display measurement readings, waveforms, or thermal images.
Personal Digital Assistants: The compact size and touch functionality make the display suitable for personal digital assistants (PDAs) or handheld organizers. It can provide a visual interface for managing schedules, contacts, notes, and other personal information.
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| 4 inch round 720*720 TFT LCD Module | 4 inch sunlight readable TFT LCD Display | 10.1 inch LCD Screen with Android Solution |
RJY Display supports project-specific adaptation based on existing modules, helping engineering teams evaluate electrical, optical and mechanical fit before production.
Include the application, target specification, operating environment, sample quantity and annual demand for a more useful engineering review.
Submit custom requirementsTouchscreen availability depends on the selected display and project requirements.
Controller board support can be reviewed together with your host interface and timing needs.
Application, target specification, quantity, interface and customization needs help the team review fit faster.
Cover glass, backlight and FPC changes can be evaluated for suitable projects.
Share your display size, resolution, interface, touch requirement, controller board requirement and expected annual volume.