This 1.39 inch Round shape TFT LCD display module is designed for high end wearable devices, smart instruments, and embedded applications. Featuring a 454×454 high-resolution pixel layout and supporting a QSPI high speed serial interface, it combines crisp image quality, low power consumption, and seamless integration. Its circular design is optimized for smartwatches, medical devices, smart home panels, and other applications requiring immersive visual experiences.
Key Features
This 1.39 inch Round shape TFT LCD display module Superior Display Performance
454×454 Resolution: 326PPI pixel density ensures sharp details and vibrant colors.
Wide Viewing Angle: IPS panel with full viewing angles (80°/80°/80°/80°) for consistent colors from any perspective.
High-Brightness Backlight: Typical brightness of 350cd/m², ensuring readability under sunlight.
This 1.39 inch Round shape TFT LCD display module Efficient QSPI Interface
Quad SPI Expansion: Supports QSPI mode (up to 80MHz clock rate), quadrupling data transfer speeds over standard SPI.
Low Pin Count: Requires only 4 communication lines (SCLK/CS/SDI/SDO), simplifying PCB layout.
Low Latency Response: Fast command transmission for real time OS (RTOS) and high refresh rate applications.
This 1.39 inch Round shape TFT LCD display module Low Power Design
Standby power <0.1mA, with dynamic backlight adjustment and sleep modes to extend device battery life.
This 1.39 inch Round shape TFT LCD display module Precision Circular Cutting
Smooth edge transitions with no black borders, ideal for circular UI designs and enhanced interactivity.
This 1.39 inch Round shape TFT LCD display module Wide Temperature Tolerance
Operating temperature range: -20℃ to 70℃, suitable for industrial and outdoor environments.
Typical Applications
Wearables: Smartwatches, fitness trackers, AR glasses.
Medical Devices: Portable glucometers, health monitors.
Smart Home: Smart lock panels, thermostat interfaces.
Industrial Control: Handheld testers, robot control panels.
Development Support
Standard driver libraries (C/Python) and sample code provided, compatible with STM32, ESP32, Raspberry Pi, etc.
Custom firmware development available (e.g., gamma correction, special display modes).
Reliability Assurance
Lifespan: Backlight LED >30,000 hours, panel MTBF >50,000 hours.
Protection: Optional anti glare/scratch resistant cover glass.
Packaging & Customization
Standard Configuration: FPC cable (24pin).
Optional Services: Capacitive touch integration, anti reflective coating, embedded NFC antenna.
Key Advantages:
This module prioritizes high integration, low power consumption, and precise circular display, leveraging QSPI for efficient data transfer. It is ideal for developing high performance embedded devices, accelerating time to market for end products.