A touchless user interface based on a near-infrared-sensitive transparent optical imager

Takeshi Kamijo; Albert J.J.M. van Breemen; Xiao Ma; Santhosh Shanmugam; Thijs Bel; Gerard de Haas; Bart Peeters; Razvan Petre; Daniel Tordera; Roy Verbeek; Hylke B. Akkerman; Luis Moreno Hagelsieb; Florian de Roose; Itai Lieberman; Fujito Yamaguchi; René A.J. Janssen; Eric A. Meulenkamp; Auke Jisk Kronemeijer; Gerwin H. Gelinck

doi:10.1038/s41928-023-00970-8

A touchless user interface based on a near-infrared-sensitive transparent optical imager

Takeshi Kamijo (Corresponding author), Albert J.J.M. van Breemen (Corresponding author), Xiao Ma, Santhosh Shanmugam, Thijs Bel, Gerard de Haas, Bart Peeters, Razvan Petre, Daniel Tordera, Roy Verbeek, Hylke B. Akkerman, Luis Moreno Hagelsieb, Florian de Roose, Itai Lieberman, Fujito Yamaguchi, René A.J. Janssen, Eric A. Meulenkamp, Auke Jisk Kronemeijer, Gerwin H. Gelinck

Molecular Materials and Nanosystems

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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Touchless user interfaces that are based on gestures typically rely on near-infrared cameras. However, such systems are often hampered by their limited field of view and high-accuracy calibration requirements. Here we report a touchless user interface that is based on a visually transparent near-infrared-sensitive organic photodetector array and can be used on top of a display. Optical transparency is achieved by using a printed copper grid as a bottom transparent conductive electrode and an array of patterned organic photodetector subpixels. Electro-optical modelling is used to optimize the design of the image sensor, leading to a photodetectivity of approximately 10¹² Jones at 850 nm and a high visible-light transmittance of 70%. We show that the imager can be used as a penlight-controlled and gesture-controlled touchless user interface when combined with a commercial display.

Originele taal-2	Engels
Pagina's (van-tot)	451-461
Aantal pagina's	11
Tijdschrift	Nature Electronics
Volume	6
Nummer van het tijdschrift	6
DOI's	https://doi.org/10.1038/s41928-023-00970-8
Status	Gepubliceerd - jun. 2023

Bibliografische nota

Funding Information:
We acknowledge the process engineers of the Holst Centre’s R&D TFT Pilot Line for the realization of the OPDs. We also acknowledge H. Koyama and M. Hirai in Asahi Kasei Corporation for supplying the printed Cu grid electrodes as well as M. Abe for discussion on the development direction of the visually transparent NIR-sensitive OPDs. This work was performed in the framework of a Joint Development Program between TNO at Holst Centre and Asahi Kasei Corporation, and was financed by Asahi Kasei Corporation.

Financiering

We acknowledge the process engineers of the Holst Centre’s R&D TFT Pilot Line for the realization of the OPDs. We also acknowledge H. Koyama and M. Hirai in Asahi Kasei Corporation for supplying the printed Cu grid electrodes as well as M. Abe for discussion on the development direction of the visually transparent NIR-sensitive OPDs. This work was performed in the framework of a Joint Development Program between TNO at Holst Centre and Asahi Kasei Corporation, and was financed by Asahi Kasei Corporation.

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Kamijo, T., van Breemen, A. J. J. M., Ma, X., Shanmugam, S., Bel, T., de Haas, G., Peeters, B., Petre, R., Tordera, D., Verbeek, R., Akkerman, H. B., Hagelsieb, L. M., de Roose, F., Lieberman, I., Yamaguchi, F., Janssen, R. A. J., Meulenkamp, E. A., Kronemeijer, A. J., & Gelinck, G. H. (2023). A touchless user interface based on a near-infrared-sensitive transparent optical imager. Nature Electronics, 6(6), 451-461. https://doi.org/10.1038/s41928-023-00970-8

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title = "A touchless user interface based on a near-infrared-sensitive transparent optical imager",

abstract = "Touchless user interfaces that are based on gestures typically rely on near-infrared cameras. However, such systems are often hampered by their limited field of view and high-accuracy calibration requirements. Here we report a touchless user interface that is based on a visually transparent near-infrared-sensitive organic photodetector array and can be used on top of a display. Optical transparency is achieved by using a printed copper grid as a bottom transparent conductive electrode and an array of patterned organic photodetector subpixels. Electro-optical modelling is used to optimize the design of the image sensor, leading to a photodetectivity of approximately 1012 Jones at 850 nm and a high visible-light transmittance of 70%. We show that the imager can be used as a penlight-controlled and gesture-controlled touchless user interface when combined with a commercial display.",

author = "Takeshi Kamijo and {van Breemen}, {Albert J.J.M.} and Xiao Ma and Santhosh Shanmugam and Thijs Bel and {de Haas}, Gerard and Bart Peeters and Razvan Petre and Daniel Tordera and Roy Verbeek and Akkerman, {Hylke B.} and Hagelsieb, {Luis Moreno} and {de Roose}, Florian and Itai Lieberman and Fujito Yamaguchi and Janssen, {Ren{\'e} A.J.} and Meulenkamp, {Eric A.} and Kronemeijer, {Auke Jisk} and Gelinck, {Gerwin H.}",

note = "Funding Information: We acknowledge the process engineers of the Holst Centre{\textquoteright}s R&D TFT Pilot Line for the realization of the OPDs. We also acknowledge H. Koyama and M. Hirai in Asahi Kasei Corporation for supplying the printed Cu grid electrodes as well as M. Abe for discussion on the development direction of the visually transparent NIR-sensitive OPDs. This work was performed in the framework of a Joint Development Program between TNO at Holst Centre and Asahi Kasei Corporation, and was financed by Asahi Kasei Corporation. ",

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month = jun,

doi = "10.1038/s41928-023-00970-8",

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Kamijo, T, van Breemen, AJJM, Ma, X, Shanmugam, S, Bel, T, de Haas, G, Peeters, B, Petre, R, Tordera, D, Verbeek, R, Akkerman, HB, Hagelsieb, LM, de Roose, F, Lieberman, I, Yamaguchi, F, Janssen, RAJ, Meulenkamp, EA, Kronemeijer, AJ & Gelinck, GH 2023, 'A touchless user interface based on a near-infrared-sensitive transparent optical imager', Nature Electronics, vol. 6, nr. 6, blz. 451-461. https://doi.org/10.1038/s41928-023-00970-8

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AU - de Roose, Florian

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AU - Meulenkamp, Eric A.

AU - Kronemeijer, Auke Jisk

AU - Gelinck, Gerwin H.

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AB - Touchless user interfaces that are based on gestures typically rely on near-infrared cameras. However, such systems are often hampered by their limited field of view and high-accuracy calibration requirements. Here we report a touchless user interface that is based on a visually transparent near-infrared-sensitive organic photodetector array and can be used on top of a display. Optical transparency is achieved by using a printed copper grid as a bottom transparent conductive electrode and an array of patterned organic photodetector subpixels. Electro-optical modelling is used to optimize the design of the image sensor, leading to a photodetectivity of approximately 1012 Jones at 850 nm and a high visible-light transmittance of 70%. We show that the imager can be used as a penlight-controlled and gesture-controlled touchless user interface when combined with a commercial display.

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A touchless user interface based on a near-infrared-sensitive transparent optical imager

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