In the fast-evolving world of embedded display technology, engineers and product designers are constantly seeking compact, reliable, and visually striking displays. Saef Technology Limited proudly introduces the SFTO128JY-7211AN, a 1.28-inch circular TFT LCD module engineered to meet the demanding requirements of modern consumer electronics, smart wearables, and compact IoT devices.
With a resolution of 240×240 RGB pixels and a pixel pitch of 0.135mm, this round display delivers crisp, vivid visuals in a space-saving form factor. The active area measures φ32.4mm, housed within a compact module size of 35.6 × 38.1 × 1.6mm, making it ideal for applications where both aesthetics and miniaturization are critical—such as smartwatches, medical devices, and portable diagnostic tools.
One of the standout features of the SFTO128JY-7211AN is its IPS (In-Plane Switching) panel, which provides an all-direction viewing angle with consistent color and contrast. This ensures excellent readability from any angle—essential for user-facing devices in dynamic environments. The normally black display mode enhances contrast and reduces eye strain, particularly in low-light conditions.
Powered by the GC9A01 driver IC, the module supports a 4-wire SPI interface, simplifying integration with microcontrollers like STM32, ESP32, and Raspberry Pi Pico. This makes it highly accessible for prototyping and mass production alike. The logic supply voltage ranges from 2.5V to 3.3V, ensuring compatibility with both 3.3V and 5V systems via level shifting.
The backlight is driven by two white LEDs, delivering a typical brightness of 350 cd/m²—sufficient for indoor and moderate outdoor use. Operating temperature ranges from -20°C to +70°C, and storage from -30°C to +80°C, making it robust for a wide range of industrial and consumer applications.
At just 1.2g, the SFTO128JY-7211AN is one of the lightest displays in its class, further enhancing its suitability for wearable and portable designs.
Saef Technology Limited continues to innovate with a focus on reliability, performance, and ease of integration. The SFTO128JY-7211AN is RoHS and REACH compliant, ensuring environmental safety and global market readiness.
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