Overview of the 0.91-Inch OLED Display Module

The 0.91-inch OLED display module, designated as model HG091AWH14PG01I4V10, is a high-performance micro-display designed for various applications requiring sharp visuals and compact size. Featuring a 128x32 dot matrix resolution, this OLED panel delivers crisp and clear imaging with a vibrant 16.7M color palette. The display operates using the SSD1306 driver IC, supporting an IIC interface for seamless integration. Engineered for robust performance, it maintains stable functionality across an extended temperature range of -40°C to 70°C in operation and -40°C to 85°C in storage.

Key Specifications and Design Features

Display Characteristics

This OLED module employs cutting-edge organic light-emitting diode (OLED) technology, ensuring high contrast and energy efficiency. The 0.91-inch screen utilizes a 128x32 pixel resolution, optimizing text and graphical representation for embedded systems, industrial applications, and consumer electronics.

High-Performance OLED Technology

The use of OLED technology eliminates the need for backlighting, reducing power consumption and allowing for ultra-thin display profiles. Unlike traditional LCDs, OLEDs provide superior contrast ratios, deeper blacks, and enhanced color accuracy.

Interface and Driver IC Integration

IIC Communication Protocol

The IIC (Inter-Integrated Circuit) interface simplifies integration by minimizing wiring complexity. This serial communication protocol allows for efficient data transfer, making it well-suited for embedded systems and microcontroller-based applications.

SSD1306 Driver IC

The SSD1306 driver IC is a widely adopted controller for small OLED displays. It supports high-speed communication, grayscale rendering, and low-power operation. With built-in charge pump circuitry, the SSD1306 ensures stable performance even under varying voltage conditions.

Applications and Industrial Relevance

Consumer and Industrial Applications

This OLED module is commonly utilized in diverse applications, including:

• Wearable Technology: Smartwatches, fitness trackers, and medical devices benefit from its compact size and low power consumption.

• Industrial Control Systems: Used in meters, diagnostic tools, and instrumentation panels.

• IoT and Embedded Systems: Suitable for microcontroller-based projects requiring visual feedback.

Drawing:

Conclusion

The 0.91-inch OLED module combines high-resolution performance, compact design, and an efficient IIC interface, making it an ideal display solution for various applications. With its broad operating temperature range and robust OLED technology, this module is a reliable choice for both consumer electronics and industrial-grade systems.