1.5 Inch Round TFT LCD 360x360 Resolution ST77916 Controller - High Brightness Display from China Suppliers Factory

Core Functional Features

• ⭕ True Circular Form Factor: A perfect 1.5-inch diameter active area, ideal for rotary encoders and smart dial applications.
• 🌈 Vibrant IPS Technology: Full-viewing angle (80/80/80/80) ensures the round LCD remains readable from any direction without color inversion.
• 🔍 High Pixel Density: The 360x360 dot matrix delivers "Retina-level" clarity for detailed icons and smooth fonts.
• 🌡️ Ultra-Wide Temperature Range: Reliable operation from -30°C to +80°C, suitable for outdoor and harsh industrial environments.
• 🔌 Simplified Connectivity: Standard 10-pin FPC with SPI interface reduces PCB complexity and power consumption.
• 🛡️ Anti-Static Design: Built-in 8KV ESD protection ensures long-term stability in human-machine interface (HMI) touchpoints.

Specifications of 1.5 Inch Round TFT LCD Display

Investment Value & Target Audience Analysis for 1.5 Inch Round TFT Display

The investment value of this 1.5-inch Round TFT LCD Display lies in its integration efficiency. Unlike larger circular screens that require complex RGB interfaces and high-power processors, this module runs on 4-Line SPI, allowing high-end aesthetics to be powered by low-cost microcontrollers.

• 💡
  For IoT & Smart Home Startups It offers a premium "Apple Watch" or "Nest" aesthetic at a fraction of the hardware complexity. It is perfect for smart thermostats, rotary encoders with screens, and light-switch controllers.
• 🏭
  For Industrial & Medical Designers The -30°C to 80°C operating range is a rare "Industrial Grade" spec for a circular screen. It is a high-value investment for handheld diagnostic tools and industrial pressure gauges that must survive harsh environments.
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  For Wearable Tech Developers With a thickness of only 1.6mm, it is the ideal choice for compact smartwatches, fitness trackers, or high-end e-cigarette displays where internal space is at a premium.

Quality Identification Methods for 1.5 Inch Round TFT LCD Display

To ensure you are receiving a grade-A module, use the following four-point inspection protocol:

1. Circle Perimeter Uniformity: On circular screens, the most common defect is "light bleeding" or "shadowing" at the 12, 3, 6, and 9 o'clock positions where the LEDs are housed. Light the screen with a full-white background; the brightness should be consistent right up to the curved edge.
2. Static Discharge Resilience: Since this is rated for 8KV ESD, perform a dry-environment handling test. Lesser quality modules will flicker or experience "white-out" when touched by a charged finger; this module should remain stable.
3. IPS True-Black Test: Power the screen but display a full-black image in a dark room. An authentic IPS panel with high-quality polarizers (like this ST77916 setup) will appear deep black rather than glowing grey/blue at an 80° angle.
4. FPC Flex-Bonding: Inspect the 10-pin FPC attachment point. It should have reinforced "green oil" or UV glue shielding to prevent traces from cracking during the tight bends required for small enclosures.

Purchasing Strategy & Core Considerations of 1.5 Inch Round TFT LCD

When sourcing this 1.5 inch round TFT LCD display, keep these three strategic factors in mind:

1. Driver Compatibility (ST77916): Ensure your software team is familiar with the ST77916. While similar to the ST7789, it has specific registers for the 360x360 circular clipping. Request the initialization code during the sample phase to save weeks of debugging.
2. Interface Selection: This is a 10-pin SPI module. If your design requires high-speed video (30fps+), ensure your MCU supports high-speed SPI (over 40MHz) or uses DMA (Direct Memory Access) to push the 129,600 pixels per frame.
3. Cover Glass Integration: Because it is a "Bright Surface" (Glossy) LCD, consider whether your application needs an additional Cover Lens. We recommend optical bonding if the device will be used in high-vibration or high-moisture environments.