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MicroLED technology is on its way to replacing traditional display technologies by bringing added value
propositions to the consumer market, including high brightness, excellent lifetime, high resolution,
and superior efficiency, with applications spanning from wearable devices, augmented/virtual reality,
and ultrahigh-definition TVs.
To date, challenges in scaling pick-and-place processes and producing highly efficient red and green
native microLEDs hamper microLED mass production. A quantum dot (QD) color conversion strategy
to produce an RGB display from an array of blue microLEDs is an elegant way to simplify the
manufacturing process and to overcome several technological challenges in the mass-transfer
process, the display brightness, and the driving electronics. QustomDot’s mission is to bring
unmatched colors to micro-LED devices through QD color conversion layers to overcome the
challenges above and facilitate market entry of miroLED-based devices.
Over the past few years, QustomDot has made a giant leap towards QD resins containing Cd-free
RoHS-compliant InP QDs. Our focus has been to formulate QD resins with ultra-high solid loading,
excellent shelf life, and processability, adapted for various processing methods, including
photolithography, nano-imprint lithography, and high-precision printing methods. In addition to
excellent processability, our QD resins result in QD films with high solid loading, excellent absorption
at the sub-10 µm thickness, and high conversion efficiency while matching, if not exceeding, the
reliability of commercially available InP-based QDs. Our talk will showcase our recent progress
towards optimization of our red and green QD resins to obtain color conversion films with optical
properties one step closer to fulfilling the challenging requirements of commercial microLED displays.

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Diode lasers are by far the most efficient method to introduce thermal energy into NIR absorbing materials. Fortunately, most conductive inks absorb the 940nm of the Hamamatsu cw SPOLD laser, allowing a homogeneous and rapid sintering result comparable to other thermal post-processing technologies. The use of laser line optics favours scalable, yet highly sustainable high volume production, for example in an R2R machine or ITO Touch display manufacturing. Hamamatsu's own developments in terms of lasers and optics make it possible to adapt to customer-specific requirements, materials and processes.

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S&S’s DOP, Direct On Paper is a sustainable paper RFID antenna solution which is both plastic-free and avoids chemical etching process. A HF loop antenna can be printed directly onto standard graphic printing paper with DOP solution.

More than 10 years ago, PragmatIC created a new type of integrated circuit (IC) called FlexICs, that are thin, flexible and ultra-low cost, aimed at connecting for trillions of smart objects. Today, PragmatIC comes to another milestone, smartphones are able to work with NFC FlexIC that can be embedded into high volume everyday items.

NFC FlexICs can be assembled with etched Aluminium loop antenna by providing the connection bridge across the two ends of the loop antenna. In our process concept, we use FlexIC's unique thin and flexible product characteristics (vs rigid silicon IC) with DOP's ultra-thin HF antenna loop. The benefits of this process concept are the material, process and resource saving during antenna production. By using a single loop antenna and eliminating the connection bridge, we avoid an additional printing process or double-sided Aluminium antenna substrate.

A tiny natural resource saving in one inlay with NFC FlexIC for trillions of smart objects ... and beyond.

nsm, based in Zofingen, Switzerland is a company which specializes in the developing and manufacturing of high-precision printing and coating systems in the field of Printed Electronics. Rolf joint nsm in 2022. He has over 30 years worked in the development of mechanical components. He gained a long experience in mechanical design, dimensioning, process analysis and structural simulations. He is responsible for the technological strategy and the implementation of customer requirements together with a team of technology experts.

With an increasingly large number of electronic additive-manufacturing processes available, it can be confusing to know which methods are applicable for your application. Printed Electronics Limited (PEL) is a manufacturer and product development company with very long experience printable electronics. PEL also represent some of the leading equipment manufacturers in the industry. In this short presentation we will provide some key pointers to assist in the choice of equipment and manufacturing approach.

Inkjet printed silver and copper can be considered “established” at least among printed electronics insiders – with their industry adoption starting to pick up speed. As a result, new variants of particle inks and innovations and curing have been emerging, which gives industrial producers a few curing options beyond brute heating. In contrast, the range of metals available for printing – esp. high precision inkjet printing, is still very limited. The talk will introduce two first-timers: printable platinum and printable palladium inks by OrelTech from Berlin. Just as all of their inks (including silver, silver transparent, gold, and more to come), they have a range of other advantages: 1) nanoparticle free, 2) low-temperature curing, and 3) high layer purity. Therefore, applications in the biosensor, medical and, more generally, printed flexible electronics market are in focus.

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NETO Innovation specializes in setting up projects to finance your R&D: Horizon Europe projects, EIC (Pathfinder, Transition and Accelerator), Eureka and National French projects. Our team is composed of 3 PhDs with expertise in green energies (solar, hydrogen, batteries, bio-energy, carbon capture and storage), printed and flexible hybrid electronics and their related applications (IoT, EMI shielding, in-mold electronics, sensors, displays, OLEDs, OPVs), healthcare (immunology, oncology, and medical devices) and innovative materials (biomaterials, nano-based materials, metal oxides) from manufacturing to application.

Integrated circuits (ICs) have revolutionized computing and communication in the last couple of decades. There are many efforts to use similar principles to develop low-cost Internet of things (IoT) devices to help solve societal grand challenges in water, food and healthcare. Here, we present development of a low-cost printed sensor platform as well as its hybrid integration with ICs for electronics, communication and networking for field deployment.

Most existing commercial chemical and gas sensors are expensive, work in well-controlled environment and require frequent calibrations. It is very challenging to achieve high sensitivity and selectivity and stable continuous operation in a harsh environment. Roll-to-roll manufacturing and printing can be used to make low-cost functional films and sensors. However, printed devices have inherently more variability than traditional vacuum processes for ICs. We show examples where in-line characterization and imaging during manufacturing enable reducing the device variability by up to 80%. We also present a novel design paradigm where sensor diversity and physics-guided machine learning and statistical techniques are used to make accurate measurements in noisy and harsh outside environment. We demonstrate continuous nitrate measurement with 3ppm sensitivity in an agricultural field with LoRa network over two weeks. Similar ideas for robust sensors for pharmaceutical manufacturing, marine environment, as well as point-of-care devices will be briefly mentioned. Roll-to-roll manufacturing of composite polymer films can also be used to make large-area physical sensors and actuators. We will describe flexible semi-transparent piezoelectric vibration monitor and loudspeakers.

In some "drop and forget" applications, one can eliminate the readout electronics completely. We present novel battery-less chipless RFID sensors with drone read-out electronics for characterizing moisture and microbial activity in the soil. This can be fully biodegradable working for couple of weeks to months. Similar sensors can be used for food safety and freshness for supply-chain monitoring.

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