Printed and flexible sensors

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1 Printed and flexible sensors Current Status Of The Industry Dr Guillaume Chansin

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4 Covering disruptive and emerging sensors

5 Main benefits of printing sensors Mass production in roll to roll (case study of glucose sensors) Scale up to large areas. Examples: touch interface, aircraft wings Manufacturing on plastic films (flexible electronics, wearable device)

6 Printed sensors are mostly glucose sensors Disposable test strips Printed electrodes and enzymes $6bn market

7 First production line for OPD ISORG has developed the manufacturing process for organic photodetectors (OPD) Raised nearly 8 million to build first production line in Limoges, France Production to start in 2017 Visible and Infrared detection

8 Improved performance for Flexible OTFT X-ray detection is the main sensor application for large area TFT array Recent breakthrough in low noise detection Development in biometric sensor (fingerprint and vein): prototypes demonstrated by Isorg with FlexEnable Demonstration at IDTechEx Show

9 Quantum dots in hybrid CMOS sensors Quantum dots can be used for visible or infrared detection Quantum dots are solution processed InVisage to commercialise first image sensors based on quantum dots First two products will be a 13MP camera with high dynamic range and global shutter, and IoT infrared camera Source: InVisage

10 Opportunity in environmental sensing Real problem to solve Printed gas sensors are now used in the CleanSpace tag in the UK

11 In-mold electronics New In-Mold electronic inks withstand thermoforming and injection molding. Example: integrated capacitive sensors and antennas Simplified assembly process with only a single connection point and no wires behind the console. Weight reduction is of particular interest for the automotive industry Source: DuPont

12 Wearable Sensors The first wave of wearable sensors are mostly MEMS Current innovation is driving a second wave, with sensors designed from scratch to be wearable Examples: Dry, smart electrode systems for monitoring potential Fully conformable sensors for stretch/motion/impact sensing Implantable sensors Incorporation of multifunctional skin patches Textile-based sensors and electrodes Wearable Sensor units sold /millions Adapted from another industry Designed for wearable products

13 Wearable sensors with printed electronics

14 Flexible hybrid systems Source: Google Source: Bainisha Source: MC10

15 Funding boost in the US

16 Significant investment in the last two years Example of acquisitions: o Textronics by Adidas (2008) o Clothing+ by Jabil (2015) Recent funding: $35.5m in 2015 $16.1m in $5m in 2014 $0.6m in 2013 $3.4m in 2015 $6m in 2015 Source: IDTechEx report E-Textiles

17 Inks for smart clothing applications In the last 1-2 years, the use of specially formulated inks with TPU encapsulation on clothing has been used to create a range of new products New ink formulations have been developed and released by companies like Nagase (EMS) and DuPont and developed alongside companies like Clothing+, Flex, BeBop Sensors and others DuPont s products were announced at the IDTechEx Show in 2014

18 New inks enable new products Mimo baby monitor Smart clothing Impact sensors TYPICAL PROPERTIES Washable (typically 100 cycles, but varies) Stable through repeated elongation (again, limits vary) Works well on TPU and synthetic fabrics, but increasingly on a wider range of substrates Main use a circuit interconnects between other components, but also in sensor structures, including stretch/impact sensors, and electrodes

19 Summary Blood glucose measurement is currently the biggest market for printed sensors Printed photodetectors close to mass production Environmental sensing a new opportunity for gas sensors Resistive force sensors are still relevant, in part due to the interest in wearables Focus is now on hybrid solutions, which combine the best of printed electronics and silicon CMOS New types of sensors needed for wearables, to complement MEMS technology New stretchable inks are available for e-textile products

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