OLED microdisplay has wide viewing angle for augmented reality

Designed for augmented reality (AR) devices, the ECX335S microdisplay series from Sony Semiconductor Solutions is claimed to have outstanding brightness, contrast and resolution and a wide viewing angle, making it suitable for head-mounted displays (HMDs), electronic viewfinders (VFs) and small monitors.

Available from Framos, the ECX335S OLED panel module has active matrix colour design, and brightness of up to 3,000 cd/m², Full HD resolution with 1,920 x 1,080 RGB pixels and a 18mm (0.71 inch) screen. Power consumption is low, says the company, even at a frame rate of 60 frames per second.

The displays for AR applications require brightness in excess of 1,000 cd/m². This means the OLED microdisplay must have a nominal value of at least 3,000 cd/m², to allow for transmission losses during projection, explains Framos. Sony Semiconductor Solutions has increased the brightness of the ECX335S microdisplays by a factor of three compared to previous models, while maintaining the same operational life, Framos reports.

The brightness characteristics, small form factor (21.44 x 15.62mm) and a contrast ratio of 100,000:1 makes the module particularly suitable for AR products.

Sibel Yorulmaz-Cokugur, Sony’s subject matter expert at Framos summarises some of the microdisplay’s key characteristics that will appeal to AR developers: “They have an energy-saving feature that increases their life in AR devices and wearables,” he said. “The innovative “orbit” function prevents burn-in, where adjacent pixels age at different rates. With these characteristics, the display is ideal for many AR applications and ready for device development in a significant growth market.”

The ECX335S microdisplay can be pre-ordered from Framos now and is expected to be available in Q2 or Q3 2020.

Framos supplies imaging products, embedded vision technologies, custom solutions, and OEM services. Vision experts at Framos have been assisting customers since 1981 as a technical consultant, development partner and as a supplier of individual components, complex system integrations or customisation options.

The company has a team of more than 100 employees working worldwide, to find the fastest and most efficient imaging solutions for customers and operating in imaging and embedded vision technologies for automation, robotics and the IoT-connected factory as well as in cognitive systems, the smart home, intelligent mobiles, and autonomous vehicles.


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