The WEX025664B is a state-of-the-art 3.12-inch OLED graphic display module, designed with a Chip-On-Film (COF) structure, offering a high-resolution display of 256x64 dots. This compact and efficient display module is powered by the SSD1322 driver IC, which supports multiple interface options including 8-bit 6800/8080 parallel interfaces and 3-line/4-line Serial Peripheral Interface (SPI). These versatile interface options make it highly adaptable for integration into a wide range of electronic systems, ensuring compatibility with various microcontroller units (MCUs) and system architectures.
The module boasts an outline dimension of 88 x 27.8 mm, with an active display area measuring 76.778 x 19.178 mm. This optimized size-to-display ratio makes it an ideal choice for applications where space is at a premium, yet high-quality visual output is essential. The display supports 4-bit grayscale, enabling the rendering of 16 distinct shades of gray. This grayscale capability, combined with the high contrast ratio of 10,000:1, ensures that the display can produce vibrant, true-to-life colors, deeper blacks, and brighter whites. Such a high contrast ratio significantly enhances image quality, providing sharper details and improved readability, particularly in low-light environments. This makes the module exceptionally suitable for applications where visual clarity and detail are paramount.
The logic voltage of the WEX025664B is rated at a typical value of 2.5V, with a duty cycle of 1/64. This low power consumption characteristic is crucial for battery-operated devices, ensuring extended operational life without compromising on performance. The module is designed to operate efficiently across a wide temperature range, from -40°C to +80°C, making it robust enough for use in extreme environmental conditions. Additionally, the storage temperature range of -40°C to +85°C ensures that the module can be safely stored and transported without risk of damage.
The WEX025664B OLED module is engineered to deliver a superior viewing experience, thanks to its high contrast ratio and grayscale capabilities. The 10,000:1 contrast ratio not only enhances the vibrancy of colors but also ensures that the display can produce deep blacks and bright whites, which are critical for applications requiring high visual fidelity. This results in a more immersive viewing experience, whether the display is used in consumer electronics, industrial equipment, or specialized instruments.
The versatility of the WEX025664B makes it suitable for a broad spectrum of applications. It is an excellent choice for wall-mounted or meter devices, where clear and reliable display performance is essential. In home applications, the module can be used in smart home controllers, thermostats, and other user interfaces, providing a modern and sleek display solution. For Point of Sale (POS) systems, the high contrast and sharp details ensure that transaction information is clearly visible to both customers and operators. In Cloud and Internet of Things (IoT) systems, the module can serve as a reliable interface for data visualization and user interaction.
Handheld instruments, such as portable medical devices or industrial testing equipment, benefit from the module's compact size and low power consumption. Intelligent technology devices, including wearable technology and smart appliances, can leverage the high-quality display to enhance user interaction and experience. Energy systems, such as smart meters and energy monitoring devices, can utilize the module to provide clear and accurate data display. In automotive applications, the WEX025664B can be integrated into dashboard displays, infotainment systems, and rear-seat entertainment units, offering a high-resolution and reliable display solution. Communication systems, including intercoms and public address systems, can also benefit from the module's clear and vibrant display capabilities. Lastly, in medical instruments, the module can be used in patient monitoring systems, diagnostic equipment, and other medical devices where accurate and clear display of information is critical.
For customers looking to upgrade their existing applications from traditional STN (Super Twisted Nematic) displays to OLED technology, the WEX025664B offers a seamless transition. The module provides a wide range of dot pixel formats, ensuring compatibility with various OLED solutions. This flexibility allows for easy integration into existing designs, minimizing the need for extensive redesigns or modifications.
In addition to the standard WEX025664B model, there are several alternative configurations available to meet specific application requirements. The WEX025664B-CTP series is a variant that comes without a metal frame and PCB but includes a Capacitive Touch Panel (CTP) touch screen. This configuration is ideal for applications where touch functionality is required, and the absence of a metal frame and PCB allows for greater design flexibility. The WEN025664B series includes a metal frame and PCB, providing additional structural integrity and protection for the display module. This configuration is suitable for applications where the display may be subjected to mechanical stress or where additional durability is required. The WEN025664B-CTP series combines the benefits of the WEN025664B series with the added functionality of a CTP touch screen, making it a comprehensive solution for applications requiring both durability and touch interaction.
In conclusion, the WEX025664B OLED display module is a highly versatile and reliable solution for a wide range of applications. Its high contrast ratio, grayscale capabilities, and multiple interface options make it an excellent choice for enhancing the visual performance of various electronic devices. The availability of alternative configurations, including touch screen options, further extends its applicability, ensuring that it can meet the diverse needs of different industries and applications. Whether for consumer electronics, industrial equipment, or specialized instruments, the WEX025664B offers a high-quality display solution that delivers superior performance and reliability.
Dot Matrix |
256 x 64 Dots |
Module dimension |
88.0 × 27.8 × 2.15mm |
Active Area |
76.778×19.178mm |
Pixel Size |
0.278×0.278mm |
Pixel Pitch |
0.3×0.3mm |
Display Mode |
Passive Matrix |
Display Color |
Monochrome |
Drive Duty |
1/64 Duty |
Gray Scale |
4 bits |
IC |
SSD1322 (COF) |
Interface |
6800, 8080, SPI |
Size |
3.12 inch |



