The WEF012864U is a state-of-the-art 2.7-inch monochrome PMOLED (Passive Matrix Organic Light Emitting Diode) display module, designed with a robust iron frame and a high-resolution panel of 128x64 pixels. This module boasts an exceptional contrast ratio of 10,000:1, ensuring vivid and sharp visual output, which is critical for applications requiring high clarity and detail. The WEF012864U is equipped with a built-in SSD1357 controller IC, a versatile and efficient driver that supports multiple transmission interfaces, including the 8-bit 6800 and 8080 parallel interfaces, 4-line SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit) serial interface. This flexibility in interface options allows for seamless integration into a wide range of electronic systems, making it a highly adaptable solution for various applications.
The SSD1357 controller IC operates on a 3V driver voltage and supports a 4-bit gray scale, enabling the display to render images with subtle gradations of brightness. This feature is particularly beneficial for applications that require detailed graphical representations, such as medical imaging devices, industrial control systems, and consumer electronics. The WEF012864U's compact design, combined with its high performance, makes it an ideal choice for space-constrained applications where both size and functionality are paramount.
In addition to the WEF012864U, the WEO012864U series offers a frameless design, which enhances the aesthetic appeal and maximizes the viewing area, making it suitable for modern, sleek devices where design is a key consideration. The WEP012864U series, on the other hand, incorporates an iron frame along with a PCB (Printed Circuit Board), which simplifies the user experience by eliminating the need for additional PCB development. This integration of interface settings and VCC (Voltage Common Collector) circuits reduces the complexity of the design process, allowing for quicker time-to-market and lower development costs. Furthermore, the WEP012864U-CTP series extends the functionality by adding CTP (Capacitive Touch Panel) capabilities, enabling touch-sensitive interactions, which are increasingly demanded in user interfaces for a variety of applications.
The WEF012864K, another variant in this product line, is a COG (Chip On Glass) structure OLED display module. This innovative design leverages organic self-luminous technology, which eliminates the need for a backlight, resulting in a thinner, lighter, and more energy-efficient module. The absence of a backlight not only reduces the overall thickness of the display but also significantly lowers current consumption, making it an environmentally friendly option. The WEF012864K module is particularly well-suited for handheld products, measuring instruments, household appliances, POS (Point of Sale) systems, Internet of Things (IoT) devices, communication equipment, and medical devices. Its low power consumption and compact form factor make it an excellent choice for portable and battery-operated devices, where energy efficiency and size are critical factors.
The operating temperature range of the WEF012864K module is from -40ºC to +80ºC, and it can withstand storage temperatures from -40ºC to +85ºC. This wide temperature range ensures reliable performance in extreme environmental conditions, making it suitable for use in harsh industrial environments, outdoor applications, and other settings where temperature fluctuations are common. The robust construction and reliable performance of the WEF012864K module make it a dependable choice for mission-critical applications where failure is not an option.
The WEF012864U and WEF012864K modules are engineered to meet the demanding requirements of modern electronic devices. Their high contrast ratios, versatile interface options, and compact designs make them ideal for a wide range of applications, from consumer electronics to industrial and medical equipment. The integration of advanced features such as touch functionality and low power consumption further enhances their appeal, providing designers with the flexibility to create innovative and user-friendly products.
In summary, the WEF012864U and WEF012864K OLED display modules represent the pinnacle of display technology, combining high performance, versatility, and reliability in a compact and energy-efficient package. Whether for handheld devices, industrial instruments, or medical equipment, these modules offer a superior solution for achieving high-quality visual output and seamless user interaction. Their robust design, wide operating temperature range, and support for multiple interfaces make them a preferred choice for engineers and designers seeking to push the boundaries of what is possible in electronic display technology.
Dot Matrix |
128 x 64 Dots |
Module dimension |
89.7 × 47.2 × 3.4mm |
Active Area |
61.41 × 30.69mm |
Pixel Size |
0.45 × 0.45mm |
Pixel Pitch |
0.48 × 0.48mm |
Display Mode |
Passive Matrix |
Display Color |
Monochrome |
Drive Duty |
1/64 Duty |
Gray Scale |
4 bits |
IC |
SSD1357 |
Interface |
8-bits 6800 and 8080 parallel, 4-line SPI, I2C |
Size |
2.7 inch |




