Product Description
The QIHAN 3.12 Inch OLED Display Module (Model: HQ312256064PMWYX-1) is a high-definition graphic PM OLED display designed for industrial equipment, embedded systems, medical devices, smart instruments, and portable electronics. Featuring a 256×64 dot matrix resolution, the display provides crisp text, detailed graphics, and excellent readability with superior contrast performance.
Utilizing self-emissive OLED technology, the display generates light directly from each pixel without requiring a backlight. Compared with traditional LCD modules, this architecture offers significantly lower power consumption, higher contrast ratios, faster response speed, and a much wider viewing angle.
Powered by the SSD1322 controller, the display supports multiple interface options including 4-wire SPI, I2C, 6800, and 8080, ensuring flexible integration into different hardware platforms and embedded systems.
Designed for demanding environments, the QIHAN 3.12-inch OLED module supports wide operating temperatures while delivering stable and reliable performance.
Highlights
- High-definition 256×64 OLED graphic display
- SSD1322 high-performance controller IC
- PM OLED self-emissive display technology
- Ultra-high contrast display quality
- No backlight required
- Supports SPI / I2C / 6800 / 8080 interfaces
- Fast response speed
- Ultra-low power consumption
- Available in White / Yellow / Blue display colors
- Wide viewing angle (ALL View)
- Wide operating temperature support
- Touch driver IC customization available
Technical Specifications
| Parameter | Specification |
|---|---|
| Model No. | HQ312256064PMWYX-1 |
| Display Size | 3.12 Inch |
| Display Type | PM OLED |
| Resolution | 256 × 64 |
| Brightness | 150 cd/m² |
| Display Color | White / Yellow / Blue |
| Viewing Direction | ALL View |
| Power Supply | 3.3V |
| Voltage Range | 2.8V–3.6V |
| Driver IC | SSD1322 |
| Interface | 4-wire SPI / I2C / 6800 / 8080 |
| Outline Dimension | 88.0 × 27.8 × 2.0 mm |
| Active Area | 76.78 × 19.18 mm |
| Pixel Pitch | 0.30 × 0.30 mm |
| Pixel Size | 0.28 × 0.28 mm |
| Pin Count | 30 Pins |
| Assembly Type | Connector |
| Touch Driver IC | Customizable |
| Operating Temperature | -40℃ ~ +85℃ |
| Storage Temperature | -40℃ ~ +90℃ |
| Structure | COG OLED Module |
Features & Benefits
High Definition Graphic Display
The 256×64 resolution allows more information to be displayed simultaneously while maintaining excellent readability.
Suitable for:
- Text information
- Graphic interfaces
- Icons and symbols
- Data visualization
- Multilingual interfaces
Self-Emissive OLED Technology
OLED pixels emit light independently and eliminate the need for backlight systems.
Benefits include:
- Higher contrast ratio
- Lower power consumption
- Better display quality
- Faster refresh rates
Flexible Interface Support
Supports multiple communication options:
- 4-wire SPI
- I2C
- 6800 Parallel
- 8080 Parallel
Flexible interfaces simplify development and system integration.
Industrial Grade Reliability
Built for harsh environments with stable performance across wide temperature ranges.
Applications
Industrial Equipment
Suitable for:
- Process control systems
- Factory automation
- Instrument displays
- Monitoring equipment
Medical Devices
Applicable for:
- Portable medical monitors
- Diagnostic equipment
- Healthcare systems
Smart Home & IoT
Ideal for:
- Home automation systems
- Smart controllers
- IoT gateways
- Smart appliance interfaces
Consumer Electronics
Used in:
- Portable devices
- Audio products
- Multimedia systems
- Smart handheld equipment
Embedded Systems
Compatible with:
- Arduino
- Raspberry Pi
- STM32
- ESP32
- ARM Cortex platforms
FAQ
Q1: Why choose OLED over traditional LCD displays?
OLED displays provide:
- Higher contrast ratio
- Lower power consumption
- Faster response speed
- Wider viewing angles
- No backlight requirement
Q2: Which communication interfaces are supported?
The module supports:
- SPI
- I2C
- 6800 Parallel
- 8080 Parallel
Custom interface solutions are available for OEM projects.
Q3: Is this display compatible with Arduino?
Yes. The display supports Arduino and multiple embedded platforms including:
- Arduino
- Raspberry Pi
- STM32
- ESP32
Q4: What colors are available?
Standard display color options include:
- White
- Yellow
- Blue
Additional customized display solutions may be available.
Q5: Is touch functionality available?
Touch functionality is optional and can be customized according to project requirements.
Q6: Is this module suitable for industrial applications?
Yes. The module supports an operating temperature range of -40℃ to +85℃, making it suitable for industrial and harsh environment applications.
Why Choose QIHAN OLED Display Solutions?
- Professional OLED/LCD display manufacturer
- OEM & ODM customization services
- Flexible interface solutions
- Stable production capacity
- Strict quality assurance system
- Engineering and technical support
- Fast project customization assistance
QIHAN delivers customized OLED display solutions for industrial systems, smart devices, medical equipment, and embedded applications worldwide.