Sensors aim to add more flex to flexible displays

By having knowledge about the shape and bendability of these flexible surfaces, system integrators can use software to make much needed improvements, such as to correct distorted images.   Crocus’ magnetic sensors aim to provide an efficient solution for shape sensing in flexible surfaces and foils to overcome deficiencies occurring in other solutions, such as piezoelectric sensors. Unlike other solutions, Crocus’ MLU sensors exhibit high sensitivity and directional capabilities.

This means that only a minimal number of MLU sensors need to be embedded in flexible shape sensor foils. In its prototype, Crocus only uses 0.25 sensors per square centimeter, making its solution extremely cost-effective.   In addition, Crocus’ MLU sensors offer advantages in low power consumption and high-speed detection. They provide strong signals without active components. Crocus’ 20cm x 20cm prototype consumes less than 10mA (milliampere) during the sensing cycle that lasts less than 1ms (microsecond).  

“Crocus has created a new IP based on magnetic sensors for flexible surface position detection. This enables equipment makers to gain in the added performance of flexible shape devices, while reducing costs,” said Bertrand Cambou, chairman and CEO of Crocus Technology. “MLU sensors in flexible displays are an exciting development. We anticipate strong interest from players in a rapidly growing market.”  

As flexible displays are light, thin and unbreakable, they are expected to replace conventional displays. The market for flexible displays is expected to reach $3.89 billion by 2020 (source: Markets and Markets, March 2014).