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6. Beyond mobile phone displays: Flat panel display technology for biomedical applications

Author

European Commission, Mameli, Alfredo, Akkerman, Hylke B., González-Lana, Sandra, Castro-Abril, Héctor, Le Cann, Kim, Lampert, Angelika, Gelinck, Gerwin H., Kronemeijer, Auke Jisk, Breemen, Albert J.J.M. van, European Commission, Mameli, Alfredo, Akkerman, Hylke B., González-Lana, Sandra, Castro-Abril, Héctor, Le Cann, Kim, Lampert, Angelika, Gelinck, Gerwin H., Kronemeijer, Auke Jisk, and Breemen, Albert J.J.M. van

Abstract

Organ-on-Chips (OoCs) have emerged as a human-specific experimental platform for preclinical research and therapeutics testing that will reduce the cost of pre-clinical drug development, provide better physiological relevance and replace animal testing. Yet, the lack of standardization and cost-effective fabrication technologies can hamper wide-spread adoption of OoCs. In this work we validate the use of flat panel display (FPD) technology as an enabling and cost-effective technology platform for biomedical applications by demonstrating facile integration of key OoC modules like microfluidics and micro electrode arrays (MEAs) in the standardized 96-well plate format. Individual and integrated modules were tested for their biological applicability in OoCs. For microelectrode arrays we demonstrate 90–95% confluency, 3 days after cell seeding and >70% of the initial mitochondrial cell activity for microfluidic devices. Thus highlighting the biocompatibility of these modules fabricated using FPD technology. Furthermore, we provide two examples of monolithically integrated microfluidics and microelectronics, i.e. integrated electronic valves and integrated MEAs, that showcase the strength of FPD technology applied to biomedical device fabrication. Finally, the merits and opportunities provided by FPD technology are discussed through examples of advanced structures and functionalities that are unique to this enabling platform.

Published
2023

7. Approaching disorder-free transport in high-mobility conjugated polymers

Author

Venkateshvaran, Deepak, Nikolka, Mark, Sadhanala, Aditya, Lemaur, Vincent, Zelazny, Mateusz, Kepa, Michal, Hurhangee, Michael, Kronemeijer, Auke Jisk, Pecunia, Vincenzo, Nasrallah, Iyad, Romanov, Igor, Broch, Katharina, McCulloch, Iain, Emin, David, Olivier, Yoann, Cornil, Jerome, Beljonne, David, and Sirringhaus, Henning

Published
2014
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8. Going Towards High-Resolution, Uniform AMOLED Displays with a High Brightness Range

Author

Verschueren, Lynn, Ameys, Marc, Lopez, Mauricio Velazquez, Glushkova, Anastasia, Nag, Manoj, Smout, Steve, Ke, Tung Huei, Vandenplas, Erwin, Kronemeijer, Auke Jisk, Heremans, Paul, Genoe, Jan, Dehaene, Wim, and Myny, Kris

Abstract

Going towards high-resolution, uniform displays with a high-brightness range requires optimizations on different topics. This work presents an overview on this subject. To achieve a good uniformity, a compensation method is proposed using a 2T1C pixel circuit, compatible with high-resolution requirements, improving uniformity by a factor 52.5. In order to further increase the achievable resolution, a new technology stack, using a planar and a vertical TFT is introduced. For increasing the brightness range, a global dimming method, compatible with the 2T1C pixel circuit, is demonstrated. shorttitle: 45.3 journaltitle: SID Symposium Digest of Technical Papers urldate: 2021-09-24 date: 2021-06-30 langid: english keywords: AMOLED, compensation, global brightness dimming, high-resolution, IGZO, uniformity, variation ispartof: SID Symposium Digest of Technical Papers vol:52 issue:S2 pages:549-552 status: published

Published
2021

9. 45.3: Invited Paper: Going Towards High‐Resolution, Uniform AMOLED Displays with a High Brightness Range

Author

Verschueren, Lynn, primary, Ameys, Marc, additional, Lopez, Mauricio Velazquez, additional, Glushkova, Anastasia, additional, Nag, Manoj, additional, Smout, Steve, additional, Ke, Tung Huei, additional, Vandenplas, Erwin, additional, Kronemeijer, Auke Jisk, additional, Heremans, Paul, additional, Genoe, Jan, additional, Dehaene, Wim, additional, and Myny, Kris, additional

Published
2021
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11. Integration of large‐area optical imagers for biometric recognition and touch in displays

Author

Akkerman, Hylke, primary, Peeters, Bart, additional, Breemen, Albert, additional, Shanmugam, Santhosh, additional, Ugalde Lopez, Leslye, additional, Tordera, Daniel, additional, Ketterij, Richard, additional, Delvitto, Ezequiel, additional, Verbeek, Roy, additional, Malinowski, Paweł, additional, Ke, Tung‐Huei, additional, De Roose, Florian, additional, Moreno Hagelsieb, Luis, additional, Katsouras, Ilias, additional, Kronemeijer, Auke Jisk, additional, Meulenkamp, Eric, additional, and Gelinck, Gerwin, additional

Published
2021
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12. Additional Cover

Author

Kronemeijer, Auke Jisk, primary, Peeters, Bart, additional, Haas, Gerard, additional, Verbeek, Roy, additional, Bel, Thijs, additional, Laar, Robert, additional, Ugalde Lopez, Leslye Astrid, additional, Peters, Laurens C. J. M., additional, and Gelinck, Gerwin H., additional

Published
2021
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13. 6‐1: Invited Paper: Measuring Health Parameters with Large‐Area Organic Photodetector Arrays

Author

Akkerman, Hylke, primary, Peeters, Bart, additional, van Breemen, Albert, additional, Shanmugam, Santhosh, additional, Lopez, Leslye Ugalde, additional, Tordera, Daniel, additional, Delvitto, Ezequiel, additional, Simone, Giulio, additional, van de Ketterij, Richard, additional, Kronemeijer, Auke Jisk, additional, Meulenkamp, Eric, additional, and Gelinck, Gerwin, additional

Published
2021
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16. External compensation for high‐resolution active matrix organic light‐emitting diode displays

Author

Verschueren, Lynn, primary, Ameys, Marc, additional, Velazquez Lopez, Mauricio, additional, De Roose, Florian, additional, Bonnifait, Mikaël, additional, Smout, Steve, additional, Ke, Tung Huei, additional, Vandenplas, Erwin, additional, Kronemeijer, Auke Jisk, additional, Steudel, Soeren, additional, Genoe, Jan, additional, Dehaene, Wim, additional, and Myny, Kris, additional

Published
2021
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18. IGZO-based Identification Tags Communicating with Everyday Touchscreens

Author

Papadopoulos, Nikolaos, Celiker, Hikmet, Qiu, Weiming, Ameys, Marc, Smout, Steve, Willegems, Myriam, Deroo, Filip, van der Steen, Jan-Laurens, Kronemeijer, Auke Jisk, Dehouwer, Marco, Mityashin, Alexander, Gehlhaar, Robert, Dehaene, Wim, and Myny, Kris

Subjects
Hardware_INTEGRATEDCIRCUITS, Hardware_PERFORMANCEANDRELIABILITY, GeneralLiterature_MISCELLANEOUS
Abstract

In this work, we demonstrate a capacitive coupled data transfer with flexible thin-film electronics using touchscreen as ubiquitous reader interface. The capacitive communication to the touchscreen is proven using a 64-bit metal-oxide thin-film capacitive-coupled identification tag. The tag is powered by a thin film battery or thin-film photovoltaic cell that is converting the light of the screen. The thin-film integrated tag has on-chip monolithic electrodes (0.8cm2), and the integrated circuit employs 409 transistors and dissipates only 140nW of power at 600mV supply voltage. The asynchronous data rate of the chip is up to 35bps, strictly limited by the touchscreen readout electronics.

Published
2020

19. 7.3: Invited Paper: Integration of large‐area optical imagers for biometric recognition and touch in displays

Author

Akkerman, Hylke, primary, Peeters, Bart, additional, van Breemen, Albert, additional, Shanmugam, Santhosh, additional, Lopez, Leslye Ugalde, additional, Tordera, Daniel, additional, van de Ketterij, Richard, additional, Delvitto, Ezequiel, additional, Malinowski, PaweƗ, additional, Ke, Tung-Huei, additional, De Roose, Florian, additional, Hagelsieb, Luis Moreno, additional, Katsouras, Ilias, additional, Kronemeijer, Auke Jisk, additional, Meulenkamp, Eric, additional, and Gelinck, Gerwin, additional

Published
2021
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23. 78‐4: IGZO‐based Identification Tags Communicating with Everyday Touchscreens

Author

Papadopoulos, Nikolaos, primary, Celiker, Hikmet, additional, Qiu, Weiming, additional, Ameys, Marc, additional, Smout, Steve, additional, Willegems, Myriam, additional, Deroo, Filip, additional, van der Steen, Jan-Laurens, additional, Kronemeijer, Auke Jisk, additional, Dehouwer, Marco, additional, Mityashin, Alexander, additional, Gehlhaar, Robert, additional, Dehaene, Wim, additional, and Myny, Kris, additional

Published
2020
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24. 78‐3: Distinguished Paper: Vein Detection with Near‐infrared Organic Photodetectors for Biometric Authentication

Author

Tordera, Daniel, primary, Peeters, Bart, additional, Delvitto, Ezequiel, additional, Shanmugam, Santhosh, additional, Maas, Joris, additional, de Riet, Joris, additional, Verbeek, Roy, additional, van de Laar, Robert, additional, Bel, Thijs, additional, Haas, Gerard, additional, Ugalde, Leslye, additional, van Breemen, Albert, additional, Katsouras, Ilias, additional, Kronemeijer, Auke Jisk, additional, Akkerman, Hylke, additional, Meulenkamp, Eric, additional, and Gelinck, Gerwin, additional

Published
2020
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25. Vein detection with near‐infrared organic photodetectors for biometric authentication

Author

Tordera, Daniel, primary, Peeters, Bart, additional, Delvitto, Ezequiel, additional, Shanmugam, Santhosh, additional, Maas, Joris, additional, Riet, Joris, additional, Verbeek, Roy, additional, Laar, Robert, additional, Bel, Thijs, additional, Haas, Gerard, additional, Ugalde, Leslye, additional, Breemen, Albert, additional, Katsouras, Ilias, additional, Kronemeijer, Auke Jisk, additional, Akkerman, Hylke, additional, Meulenkamp, Eric, additional, and Gelinck, Gerwin, additional

Published
2020
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27. High-temperature thin-film barriers for foldable AMOLED displays

Author

Akkerman, Hylke B., Pendyala, Raghu K., Panditha, Pradeep, Salem, Ahmed, Shen, Jie, van de Weijer, Peter, Bouten, Piet C.P., de Winter, Suzanne H.P.M., van Diesen-Tempelaars, Karin, de Haas, Gerard, Steudel, Soeren, Huang, Ching Yu, Lai, Ming Hsiang, Huang, Yen Yu, Yeh, Ming Hua, Kronemeijer, Auke Jisk, Poodt, Paul, Gelinck, Gerwin H., and Molecular Materials and Nanosystems

Subjects
high temperature, foldable, AMOLED displays, thin-film barrier
Abstract

We present a thin-film dual-layer bottom barrier on polyimide that is compatible with 350°C backplane processing for organic light-emitting diode displays and that can facilitate foldable active-matrix organic light-emitting diode devices with a bending radius of

Published
2018

28. High resolution photolithography for direct view active matrix organic light-emitting diode augmented reality displays

Author

Malinowski, Paweł E., Ke, Tung Huei, Nakamura, Atsushi, Liu, Ya Han, Vander Velpen, Dieter, Vandenplas, Erwin, Papadopoulos, Nikolas, Kronemeijer, Auke Jisk, van der Steen, Jan Laurens, Steudel, Soeren, Kuo, Che Cheng, Huang, Yen Yu, Chen, Yu Hsien, Yeh, Ming Hua, Gelinck, Gerwin, Heremans, Paul, and Molecular Materials and Nanosystems

Subjects
AMOLED display, ultra-high resolution, RGB OLED, photolithography
Abstract

High-resolution RGB organic light-emitting diode frontplane is a key enabler for direct-view transparent augmented reality displays. In this paper, we demonstrate 1250 ppi passive displays and semi-transparent active displays. Organic light-emitting diode photolithography can provide pixel density above 1000 ppi while keeping effective emission area high because of high aperture ratio. Patterns with 2 μm line pitch were successfully transferred to emission layers, indicating possible further pixel density scaling. Lifetime after patterning, key parameter enabling industrialization, is above 150 h (T90 at 1000 nit).

Published
2018

29. 40x Current Variation Reduction Enabled by an External Vt-Compensation Scheme for AMOLED Displays using a 3T2C-Pixel Circuit with Dual-Gate TFTs

Author

Verschueren, Lynn, Ameys, Marc, De Roose, Florian, Steudel, soeren, van der Steen, Jan-Laurens, Gelinck, Gerwin, Kronemeijer, Auke Jisk, Huang, Chin-Hai, Tsai, Chi-Chung, Huang, Yen-Yu, Yeh, Ming-Hua, Heremans, paul, Myny, kris, Dehaene, wim, and Genoe, jan

Subjects
Metal-oxide semiconductors, Uniformity, Vt-shift, AMOLED, Calibration, Dual-gate self-aligned TFT, Compensation, Variations, Flexible displays
Abstract

A novel external VT compensation method, using a simple driving scheme, is presented, enabling high resolution, yet uniform displays, regardless of the size. The uniformity can be maintained for initial VT nonuniformities as well as VT shifts occurring during operation, like bias stress. The characterized display area shows a significant reduction in current variation, transforming ~23% variation without compensation into 0.56% variation after calibration.

Published
2018

30. 71‐1: Large‐area Optical Fingerprint Sensors for Next Generation Smartphones

Author

Akkerman, Hylke, primary, Peeters, Bart, additional, Tordera, Daniel, additional, Breemen, Albert, additional, Shanmugam, Santhosh, additional, Malinowski, Paweł, additional, Maas, Joris, additional, Riet, Joris, additional, Verbeek, Roy, additional, Bel, Thijs, additional, Haas, Gerard, additional, Hermes, Dorothee, additional, Del, Sepideh Khandan, additional, Kronemeijer, Auke Jisk, additional, and Gelinck, Gerwin, additional

Published
2019
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37. Enabling high-mobility, ambipolar charge-transport in a DPP-benzotriazole copolymer by side-chain engineering† †Electronic supplementary information (ESI) available: Raw materials and solvents, used equipment, synthesis routes, additional TGA, GIWAXS and T-dependent mobility data. See DOI: 10.1039/c5sc01326g Additional data related to this publication is available at https://www.repository.cam.ac.uk

Author

Gruber, Mathias, Jung, Seok-Heon, Schott, Sam, Venkateshvaran, Deepak, Kronemeijer, Auke Jisk, Andreasen, Jens Wenzel, McNeill, Christopher R., Wong, Wallace W. H., Shahid, Munazza, Heeney, Martin, Lee, Jin-Kyun, and Sirringhaus, Henning

Subjects
Chemistry
Abstract

In this article we discuss the synthesis of four new low band-gap co-polymers based on the diketopyrrolopyrrole (DPP) and benzotriazole (BTZ) monomer unit., In this article we discuss the synthesis of four new low band-gap co-polymers based on the diketopyrrolopyrrole (DPP) and benzotriazole (BTZ) monomer unit. We demonstrate that the BTZ unit allows for additional solubilizing side-chains on the co-monomer and show that the introduction of a linear side-chain on the DPP-unit leads to an increase in thin-film order and charge-carrier mobility if a sufficiently solubilizing, branched, side chain is attached to the BTZ. We compare two different synthetic routes, direct arylation and Suzuki-polycondensation, by a direct comparison of polymers obtained via the two routes and show that direct arylation produces polymers with lower electrical performance which we attribute to a higher density of chain Furthermore we demonstrate that a polymer utilizing this design motif and synthesized via Suzuki-polycondensation ((l-C18)-DPP-(b-C17)-BTZ) exhibits exceptionally high and near balanced average electron and hole mobilities >2 cm2 V–1 s–1 which are among the highest, robustly extracted mobility values reported for DPP copolymers in a top-gate configuration to date. Our results demonstrate clearly that linear side chain substitution of the DPP unit together with co-monomers that allow for the use of sufficiently long or branched solubilizing side chains can be an attractive design motif for solution processable, high mobility DPP copolymers.

Published
2015

38. 45.3: Invited Paper:Going Towards High‐Resolution, Uniform AMOLED Displays with a High Brightness Range

Author

Verschueren, Lynn, Ameys, Marc, Lopez, Mauricio Velazquez, Glushkova, Anastasia, Nag, Manoj, Smout, Steve, Ke, Tung Huei, Vandenplas, Erwin, Kronemeijer, Auke Jisk, Heremans, Paul, Genoe, Jan, Dehaene, Wim, and Myny, Kris

Abstract

Going towards high‐resolution, uniform displays with a high‐brightness range requires optimizations on different topics. This work presents an overview on this subject. To achieve a good uniformity, a compensation method is proposed using a 2T1C pixel circuit, compatible with high‐resolution requirements, improving uniformity by a factor 52.5. In order to further increase the achievable resolution, a new technology stack, using a planar and a vertical TFT is introduced. For increasing the brightness range, a global dimming method, compatible with the 2T1C pixel circuit, is demonstrated.

Published
2021
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39. Tuning Contact Resistance in Top‐Contact p‐Type and n‐Type Organic Field Effect Transistors by Self‐Generated Interlayers.

Author

Sarkar, Tanmoy, Shamieh, Basel, Verbeek, Roy, Kronemeijer, Auke Jisk, Gelinck, Gerwin H., and Frey, Gitti L.

Subjects
OHMIC contacts, ORGANIC field-effect transistors, SCANNING transmission electron microscopy, X-ray photoelectron spectroscopy, RADIATION trapping
Abstract

Contact resistance significantly limits the performance of organic field‐effect transistors (OFETs). Positioning interlayers at the metal/organic interface can tune the effective work‐function and reduce contact resistance. Myriad techniques offer interlayer processing onto the metal pads in bottom‐contact OFETs. However, most methods are not suitable for deposition on organic films and incompatible with top‐contact OFET architectures. Here, a simple and versatile methodology is demonstrated for interlayer processing in both p‐ and n‐type devices that is also suitable for top‐contact OFETs. In this approach, judiciously selected interlayer molecules are co‐deposited as additives in the semiconducting polymer active layer. During top contact deposition, the additive molecules migrate from within the bulk film to the organic/metal interface due to additive‐metal interactions. Migration continues until a thin continuous interlayer is completed. Formation of the interlayer is confirmed by X‐ray photoelectron spectroscopy (XPS) and cross‐section scanning transmission electron microscopy (STEM), and its effect on contact resistance by device measurements and transfer line method (TLM) analysis. It is shown that self‐generated interlayers that reduce contact resistance in p‐type devices, increase that of n‐type devices, and vice versa, confirming the role of additives as interlayer materials that modulate the effective work‐function of the organic/metal interface. [ABSTRACT FROM AUTHOR]

Published
2020
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43. P-127: Dual-Gate Self-Aligned IGZO TFTs Monolithically Integrated with High-Temperature Bottom Moisture Barrier for Flexible AMOLED

Author

Kronemeijer, Auke Jisk, primary, Akkerman, Hylke, additional, van der Steen, Jan-Laurens, additional, Steudel, Soeren, additional, Pendyala, Raghu, additional, Panditha, Pradeep, additional, Bel, Thijs, additional, van Diesen, Karin, additional, de Haas, Gerard, additional, Maas, Joris, additional, de Riet, Joris, additional, Rovers, Madelon, additional, Verbeek, Roy, additional, Nag, Manoj, additional, Verschueren, Lynn, additional, Genoe, Jan, additional, Dehaene, Wim, additional, Lu, Ya-Ju, additional, Chiang, Shin-Chuan, additional, Huang, Yen-Yu, additional, Yeh, Ming-Hua, additional, and Gelinck, Gerwin, additional

Published
2018
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44. 35‐2: 40x Current Variation Reduction Enabled by an External VT‐Compensation Scheme for AMOLED Displays using a 3T2C‐Pixel Circuit with Dual‐Gate TFTs

Author

Verschueren, Lynn, primary, Ameys, Marc, additional, De Roose, Florian, additional, Steudel, Soeren, additional, van der Steen, Jan-Laurens, additional, Gelinck, Gerwin, additional, Kronemeijer, Auke Jisk, additional, Huang, Chin-Hai, additional, Tsai, Chi-Chung, additional, Huang, Yen-Yu, additional, Yeh, Ming-Hua, additional, Heremans, Paul, additional, Myny, Kris, additional, Dehaene, Wim, additional, and Genoe, Jan, additional

Published
2018
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45. 39-3: Printed Organic Photodetector Arrays and their use in Palmprint Scanners

Author

Akkerman, Hylke, primary, Peeters, Bart, additional, van Breemen, Albert, additional, Shanmugam, Santhosh, additional, Tordera, Daniel, additional, van der Steen, Jan-Laurens, additional, Kronemeijer, Auke Jisk, additional, Malinowski, Pawel, additional, Roose, Florian De, additional, Cheyns, David, additional, Genoe, Jan, additional, Dehaene, Wim, additional, Heremans, Paul, additional, and Gelinck, Gerwin, additional

Published
2018
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46. 75-1: Distinguished Paper: High Resolution Photolithography for Direct View AMOLED AR Displays

Author

Malinowski, Paweł E., primary, Ke, Tung-Huei, additional, Nakamura, Atsushi, additional, Liu, Ya-Han, additional, Velpen, Dieter Vander, additional, Vandenplas, Erwin, additional, Papadopoulos, Nikolas, additional, Kronemeijer, Auke Jisk, additional, van der Steen, Jan Laurens, additional, Steudel, Soeren, additional, Kuo, Che-Cheng, additional, Huang, Yen-Yu, additional, Chen, Yu-Hsien, additional, Yeh, Ming-Hua, additional, Gelinck, Gerwin, additional, and Heremans, Paul, additional

Published
2018
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47. 54-3: Distinguished Paper: High Temperature Thin-Film Barriers for Foldable AMOLED Displays

Author

Akkerman, Hylke, primary, Pendyala, Raghu, additional, Panditha, Pradeep, additional, Salem, Ahmed, additional, Shen, Jie, additional, van de Weijer, Peter, additional, Bouten, Piet, additional, de Winter, Suzanne, additional, van Diesen-Tempelaars, Karin, additional, de Haas, Gerard, additional, Steudel, Soeren, additional, Huang, Ching-Yu, additional, Lai, Ming-Hsiang, additional, Huang, Yen-Yu, additional, Yeh, Ming-Hua, additional, Kronemeijer, Auke Jisk, additional, Poodt, Paul, additional, and Gelinck, Gerwin, additional

Published
2018
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48. 6‐1: Invited Paper:Measuring Health Parameters with Large‐Area Organic Photodetector Arrays

Author

Akkerman, Hylke, Peeters, Bart, van Breemen, Albert, Shanmugam, Santhosh, Lopez, Leslye Ugalde, Tordera, Daniel, Delvitto, Ezequiel, Simone, Giulio, van de Ketterij, Richard, Kronemeijer, Auke Jisk, Meulenkamp, Eric, and Gelinck, Gerwin

Abstract

Solution‐processed organic photodetectors (OPDs) have witnessed great progress in the past few years. With silicon‐like performance achieved, OPDs enable new medical imaging applications by offering cost‐effective light detection over large area. Herein, we illustrate the compelling advantages of high spatial and temporal resolution OPD arrays for medical X‐ray detectors and wearable pulse oximeters.

Published
2021
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49. 4‐3: Distinguished Paper:IGZO TFT Arrays for Biometrics‐Under‐Display and Biomedical Applications

Author

Kronemeijer, Auke Jisk, de Haas, Gerard, Verbeek, Roy, Bel, Thijs, van de Laar, Robert, Ugalde-Lopez, Leslye, and Gelinck, Gerwin

Abstract

This paper presents a monolithic manufacturing process to realize active‐matrix meshed TFT arrays on foil with physical voids between pixels, realizing membrane‐like structures for use in biometrics‐under‐display applications. Moreover, however, the concept enables new applications in the biomedical electronics domain.

Published
2021
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50. 7.3: Invited Paper:Integration of large‐area optical imagers for biometric recognition and touch in displays

Author

Akkerman, Hylke, Peeters, Bart, van Breemen, Albert, Shanmugam, Santhosh, Lopez, Leslye Ugalde, Tordera, Daniel, van de Ketterij, Richard, Delvitto, Ezequiel, Malinowski, PaweƗ, Ke, Tung-Huei, De Roose, Florian, Hagelsieb, Luis Moreno, Katsouras, Ilias, Kronemeijer, Auke Jisk, Meulenkamp, Eric, and Gelinck, Gerwin

Abstract

In recent years there is an increasing interest to integrate optical sensing in mobile displays, for instance, for biometric fingerprint scanning functionality. There are several routes to incorporate optical fingerprint functionality within the full display area, each with their own benefits and challenges. Here we investigate the different integration routes using large‐area, ultrathin imagers based on organic photodiodes.

Published
2021
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