Product Description
The QIHAN 5.5 Inch OLED Display Module is a high-performance graphic Passive Matrix OLED display designed for industrial equipment, IoT devices, medical systems, communication terminals, and embedded applications. Featuring a 256×64 dot matrix resolution, the module delivers crisp graphics, excellent readability, and high-contrast visual performance.
Powered by the SSD1322 controller IC, the display supports 8-bit parallel and 4-wire SPI communication interfaces, enabling easy integration into various microcontrollers and embedded platforms. The self-emissive OLED technology eliminates the need for a backlight, resulting in lower power consumption, wider viewing angles, and faster response speed compared with conventional LCD displays.
The module supports grayscale display capability, customizable interfaces, display colors, touch solutions, and mechanical configurations, making it suitable for a wide range of OEM and industrial applications.
Highlights
- 5.5-inch graphic OLED display
- High resolution 256×64 dot matrix
- SSD1322 high-performance controller IC
- Supports 4-bit grayscale
- Supports 8-bit Parallel + 4-wire SPI
- High contrast ratio up to 10000:1
- Ultra-low power consumption
- Wide viewing angle
- White / Green display options
- Custom interface and touch solutions available
- Industrial-grade temperature performance
- OEM & ODM customization support
Features
High Contrast OLED Technology
Self-emissive OLED pixels generate light independently without requiring a backlight.
Benefits:
✔ Higher contrast ratio
✔ Deep black background
✔ Better readability
✔ Improved image quality
Flexible Communication Interfaces
Supports:
- 8-bit Parallel Interface
- 4-wire SPI Interface
Advantages:
✔ Easy MCU integration
✔ Flexible hardware design
✔ Simplified communication
Grayscale Display Support
Built-in grayscale functionality improves graphical presentation.
Benefits:
✔ Enhanced image details
✔ Better UI rendering
✔ Smooth visual effects
Wide Viewing Performance
The OLED architecture delivers excellent visibility from multiple viewing directions.
✔ Wide viewing angle
✔ Stable image quality
✔ Consistent display performance
Customization Support
QIHAN supports:
✔ Customized display colors
✔ Mechanical size modifications
✔ Touch solutions
✔ Interface customization
✔ Graphic/UI optimization
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | QIHAN 5.5 Inch OLED Module |
| Display Size | 5.5 Inch |
| Display Type | Passive Matrix OLED |
| Resolution | 256 × 64 |
| Driver IC | SSD1322 |
| Display Color | Green / White |
| Power Supply | Customizable |
| Interface | 8-bit Parallel / 4-wire SPI |
| Duty Cycle | 1/64 Duty |
| Contrast Ratio | 10000:1 Typical |
| Grayscale | 4-bit Supported |
| Touch Driver IC | Customizable |
| Graphic | Customizable |
| Module Size | Customizable |
| Viewing Direction | Customizable |
| Structure | COF |
| Operating Temperature | -40℃ ~ +80℃ |
| Storage Temperature | -40℃ ~ +85℃ |
Industry Applications
Industrial Equipment
Suitable for:
- Industrial control systems
- Meter devices
- Monitoring equipment
- Automation interfaces
Medical Devices
Applicable for:
- Portable medical devices
- Diagnostic equipment
- Healthcare monitoring systems
Smart Home & IoT
Ideal for:
- Home automation
- IoT gateways
- Smart control panels
Communication Equipment
Used in:
- Communication terminals
- Network devices
- Information displays
Consumer Electronics
Suitable for:
- POS systems
- Handheld instruments
- Smart devices
- Portable electronics
FAQ
Q1: Which interfaces are supported?
The module supports:
- 8-bit Parallel
- 4-wire SPI
Custom communication solutions are available upon request.
Q2: Does the display support grayscale?
Yes. The module supports 4-bit grayscale, improving image quality and graphic performance.
Q3: Can the display color be customized?
Standard colors include:
- Green
- White
Customized display solutions are also available.
Q4: Is the display suitable for Arduino or embedded systems?
Yes. The SSD1322 controller supports integration with:
- Arduino
- STM32
- Raspberry Pi
- ARM platforms
- Embedded systems
Q5: Can touch functionality be added?
Yes. QIHAN supports customized touch panel and touch driver IC solutions.
Q6: What applications is this OLED module suitable for?
Typical applications include:
- Industrial automation
- Medical equipment
- IoT devices
- Communication products
- Portable instruments
Why Choose QIHAN OLED Solutions?
✔ Professional OLED/LCD display manufacturer
✔ OEM & ODM customization services
✔ Flexible hardware and interface solutions
✔ Stable production capability
✔ Strict quality control process
✔ Engineering support and technical assistance
✔ Fast development and customization services

