Product Description
The QIHAN 3.12 Inch OLED Display Module is a high-performance graphic Passive Matrix OLED solution designed for industrial equipment, handheld devices, medical systems, communication products, and IoT applications. Featuring 256×64 dot matrix resolution, the module delivers clear text, detailed graphics, and excellent readability with high contrast performance.
Powered by the SSD1322 driver IC, the display supports 8-bit parallel and 4-wire SPI interfaces, allowing flexible integration into various embedded platforms and industrial systems. Utilizing self-emissive OLED technology, the display requires no backlight, providing ultra-low power consumption, wider viewing angles, and faster response speed compared with traditional LCD solutions.
The QIHAN 3.12-inch OLED module supports customized display colors, interfaces, touch solutions, and mechanical dimensions, offering flexible OEM/ODM services for different application requirements.
Highlights
- 3.12-inch graphic OLED display
- High resolution 256×64 dot matrix
- SSD1322 controller IC
- Supports 4-bit grayscale
- Supports 8-bit Parallel + 4-wire SPI
- High contrast display performance
- Ultra-low power consumption
- Wide viewing angle
- White / Yellow / Blue display options
- Custom interface and touch solutions available
- Wide operating temperature support
- OEM & ODM customization available
Features
High-Resolution Graphic Display
The 256×64 resolution enables:
- Sharp text display
- Detailed graphic rendering
- Clear user interface presentation
- Better readability
Self-Emissive OLED Technology
Unlike traditional LCD modules, OLED pixels emit light independently.
Benefits:
✔ No backlight required
✔ Lower power consumption
✔ Higher contrast ratio
✔ Faster response speed
Flexible Interface Support
Supports:
- 8-bit Parallel Interface
- 4-wire SPI Interface
Benefits:
✔ Easy MCU integration
✔ Simplified hardware design
✔ Flexible communication options
4-bit Grayscale Support
The display supports grayscale rendering for enhanced visual performance.
Advantages:
✔ Better image detail
✔ Improved graphical effects
✔ Enhanced UI design
Customization Support
QIHAN provides:
✔ Customized display colors
✔ Touch solutions
✔ Interface modifications
✔ Mechanical structure customization
✔ Graphic/UI customization
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | QIHAN 3.12 Inch OLED Module |
| Display Size | 3.12 Inch |
| Display Type | Passive Matrix OLED |
| Resolution | 256 × 64 |
| Driver IC | SSD1322 |
| Display Color | White / Yellow / Blue |
| Power Supply | Customizable |
| Interface | 8-bit Parallel / 4-wire SPI |
| Duty Cycle | 1/64 Duty |
| Contrast Ratio | 10000:1 Typical |
| Grayscale | 4-bit Supported |
| Active Area | 76.778 × 19.178 mm |
| Outline Dimension | 88.0 × 27.8 mm |
| Viewing Direction | Customizable |
| Touch Driver IC | Customizable |
| Module Size | Customizable |
| Operating Temperature | -40℃ ~ +80℃ |
| Storage Temperature | -40℃ ~ +85℃ |
Industry Applications
Industrial Equipment
Suitable for:
- Industrial control systems
- Measurement instruments
- Automation equipment
Medical Devices
Applicable for:
- Diagnostic equipment
- Portable medical devices
- Monitoring systems
Communication Equipment
Ideal for:
- Communication terminals
- Network equipment
- Information displays
IoT Devices
Used in:
- Smart devices
- Home automation systems
- Connected products
Consumer Electronics
Suitable for:
- POS terminals
- Handheld instruments
- Portable devices
FAQ
Q1: Which communication interfaces are supported?
The module supports:
- 8-bit Parallel
- 4-wire SPI
Customized interface solutions are also available.
Q2: Does the display support grayscale?
Yes. The module supports 4-bit grayscale, allowing improved image rendering and graphical effects.
Q3: Is the module compatible with Arduino?
Yes. The SSD1322 controller supports integration with Arduino and various embedded platforms.
Q4: Can the display color be customized?
Yes. Standard options include:
- White
- Yellow
- Blue
Customized display solutions are available.
Q5: Is touch functionality available?
Yes. Touch driver IC and touch panel solutions can be customized according to project requirements.
Q6: What applications is this OLED suitable for?
Typical applications include:
- Industrial equipment
- Medical devices
- POS systems
- IoT products
- Communication equipment
Why Choose QIHAN OLED Solutions?
✔ Professional OLED/LCD manufacturer
✔ OEM & ODM customization services
✔ Flexible hardware solutions
✔ Stable production capability
✔ Strict quality control process
✔ Engineering support and technical assistance
✔ Fast development and customization service