1.54″ OLED Display Module SPI I2C China Supplie Manufacturer
Introduction to the 1.54" OLED Display Module: Key Features and Specifications
The 1.54″ OLED Display Module is an advanced visual solution manufactured by leading suppliers in China. It employs Passive Matrix OLED (PMOLED) technology, providing a high-quality monochrome display with 128×64 pixels. This display is available in three monochrome color options: white, blue, and yellow, catering to various design requirements. The module integrates easily with systems using either SPI or IIC communication protocols, offering flexibility for a wide range of embedded applications. With its compact form factor and 1/64 duty cycle, this module is ideal for devices that require low power consumption and clear visual output.
Key Specifications at a Glance
| Feature | Specification |
|---|---|
| Display Mode | Passive Matrix OLED |
| Resolution | 128×64 pixels |
| Display Color | Monochrome (White/Blue/Yellow) |
| Drive Duty | 1/64 Duty |
| Driver IC | SSD1305/SSD1309/D0301 |
| Interface | SPI or IIC |
| Module Size | 42.6mm (L) × 38.0mm (W) × 3.2mm (max H) |
| Viewing Area | 37.052mm × 19.516mm |
| Effective Area | 35.052mm × 17.516mm |
| Pixel Size | 0.254mm × 0.254mm |
| Pixel Pitch | 0.274mm × 0.274mm |
Understanding the Passive Matrix OLED Technology
The Passive Matrix OLED (PMOLED) technology employed in this module offers an effective way of controlling pixels through rows and columns, without the need for individual transistors at each pixel location. In a PMOLED configuration, pixels are activated by selectively driving rows and columns, which makes it a more energy-efficient choice compared to active matrix displays like AMOLED.
Advantages of PMOLED Over AMOLED
| Feature | PMOLED | AMOLED |
|---|---|---|
| Power Efficiency | Lower power consumption | Higher power consumption, especially in large displays |
| Complexity | Simpler, cost-effective design | More complex, higher cost |
| Display Quality | Good for smaller displays | Higher quality and sharper resolution |
| Size Flexibility | Ideal for small, compact displays | Suited for larger displays |
Why Choose PMOLED?
The PMOLED is especially well-suited for applications where the display area is small to medium, and where low energy consumption is critical. It is commonly used in portable devices, fitness trackers, industrial displays, and IoT products where screen size is limited, but clear, legible content is required.
Resolution and Visual Performance
With a 128×64 pixel resolution, the 1.54″ OLED display ensures crisp text and sharp graphical content. The pixel size of 0.254mm x 0.254mm and the pixel pitch of 0.274mm x 0.274mm contribute to a high pixel density, delivering clear visuals even in compact formats. The viewing area of 37.052mm x 19.516mm ensures sufficient space for displaying various types of information, while the effective display area of 35.052mm x 17.516mm maximizes usable screen space within the module’s size constraints.
Viewing and Effective Area
- Viewing Area: 37.052mm x 19.516mm
- Effective Area: 35.052mm x 17.516mm
These dimensions are optimized for applications requiring a balance between display real estate and physical module size, such as handheld devices and portable equipment.
Interface Options: SPI and IIC for Flexibility
The 1.54″ OLED Display Module offers compatibility with both SPI (Serial Peripheral Interface) and IIC (Inter-Integrated Circuit) communication protocols, providing flexibility for designers. These interfaces allow the display to be integrated into a wide variety of microcontroller-based systems and offer the following advantages:
SPI vs. IIC: Choosing the Right Interface
- SPI Interface: Provides faster data transfer rates, making it ideal for applications where speed is critical, such as real-time data display or higher refresh rates.
- IIC Interface: Utilizes fewer wires (just two for communication), making it ideal for simpler, low-pin-count microcontroller-based designs.
By supporting both SPI and IIC, this display module ensures versatility, enabling easy integration into projects that prioritize either speed or simplicity.
Compact Design for Space-Constrained Applications
With a module size of 42.6mm (L) x 38.0mm (W) x 3.2mm (max H), this OLED module is compact enough to fit in a variety of space-constrained applications, such as handheld devices, wearable gadgets, and small embedded systems. The slim profile also makes it easy to incorporate into products with strict space limitations.
Benefits of the Compact Size
- Space-Efficient: The small dimensions make it ideal for portable electronics, where reducing size without sacrificing performance is crucial.
- Lightweight: The low weight adds to the portability of devices that integrate this module, such as fitness trackers, remote controls, and industrial sensors.
Pixel Density and Visual Quality
The pixel size of 0.254mm x 0.254mm and pixel pitch of 0.274mm x 0.274mm contribute to the high resolution and sharpness of the display. This high pixel density ensures that text, icons, and simple graphics are displayed with crisp detail, making the module suitable for applications requiring clear and legible information in a small space.
Driver ICs: SSD1305, SSD1309, and D0301
This OLED module supports three popular driver ICs: SSD1305, SSD1309, and D0301. These ICs are widely used in the OLED display industry for their reliability, energy efficiency, and ease of integration with microcontroller systems.
Benefits of SSD1305, SSD1309, and D0301 Driver ICs
- Power Efficiency: All three ICs offer low power consumption, making them suitable for battery-powered applications.
- High Compatibility: These ICs are compatible with a wide range of microcontrollers and development platforms.
- Stable Display Performance: They ensure consistent display performance, with minimal flickering and high-quality rendering.
Conclusion: A Versatile Display Solution
The 1.54″ OLED Display Module is a highly efficient and versatile solution for applications that require a small form factor, low power consumption, and clear visual output. Whether used in portable devices, wearable technology, industrial displays, or IoT products, its compatibility with SPI and IIC interfaces, combined with its compact size and high resolution, makes it an excellent choice for designers seeking a reliable, energy-efficient display module.
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Frequently Asked Question
The display uses Passive Matrix OLED (PMOLED) technology, known for its energy efficiency and compact design.
The display has a resolution of 128×64 pixels, with a pixel size of 0.254mm x 0.254mm and a pixel pitch of 0.274mm x 0.274mm.
The OLED module is available in monochrome colors, including white, blue, and yellow.
The module’s size is 42.6mm (L) × 38.0mm (W) × 3.2mm (max H), making it compact and suitable for space-constrained applications.
The module supports SPI (Serial Peripheral Interface) and IIC (Inter-Integrated Circuit) communication protocols.
The module operates with a 1/64 duty cycle, ensuring low power consumption, making it ideal for battery-powered applications.
The effective display area is 35.052mm × 17.516mm, optimized for displaying text, icons, and simple graphics.
The module supports SSD1305, SSD1309, and D0301 driver ICs, which offer reliable performance and low power consumption.
PMOLED technology is power-efficient, cost-effective, and suitable for smaller display sizes where low energy consumption is essential.
This module is commonly used in wearables, portable devices, industrial displays, and IoT products, where compactness and low power consumption are crucial.
