Unique flexible display with QTC force sensing for new applications

LOPEC, Munich, Germany, March 15, 2018 – Peratech, the global leader in 3D force sensing technology, continues to define the future of Human Machine Interface (HMI) technology and announces the launch of an active integrated organic liquid crystal display (OLCD) The Matrix 3D Velocity Touch Sensor demonstrates how two disruptive technologies work together to achieve new applications.

The solution can be used to create flexible displays that support multi-point force touch sensing in any size from wearables to large displays. The surface of the sensing display is flexible and can be bent according to the shape of the end application device such as a wristband, instrument panel or other work surface.

Peratech CEO Jon Stark said: "This is an important technical milestone for us. There are no other flexible active matrix 3D touch sensors and integrated displays on the market. To meet the application needs of today's market, we are with Merck. Working with FlexEnable has created a new groundbreaking solution for the human machine interface."

A key advantage of Peratech's QTC technology is the ability to eliminate erroneous touches and thus create a series of previously unsuccessful touch applications. The false touches often seen in capacitive touch sensing limit the adoption of touch technology in critical safety applications such as medical, industrial and automotive.

Unique flexible display with QTC force sensing for new applications

The integrated solution is based on FlexEnable's low temperature organic thin film transistor (OTFT) fabrication technology, which uses Merck lisicon® OTFT material technology and Merck licristal® liquid crystal material. All circuits that drive OLCDs are integrated with 3D touch sensing components, making display and force sensing a single component in design and system integration. The technology will be on display at LOPEC 2018 in Munich, Germany, where visitors can watch and experience the technology at the Merck booth.

The product that all parties strive to achieve is a high-resolution force-sensitive display. The Velocity Sensor uses a 100 x 64 active matrix sensing element to provide an initial spatial resolution of 25 ppi for the 3D touch sensor. These components or sensors are capable of detecting the position of the contacts and the amount of force applied to each sensor in the contact area. The theoretical interpolation resolution is higher than standard ICs commonly used in consumer, automotive, and industrial electronics. 10,000ppi.

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