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2 results on '"Thin film photovoltaic cells"'

1. Touchscreen tags based on thin-film electronics for the Internet of Everything

Author

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

Subjects
Technology, Computer science, Thin films, Capacitive sensing, Radio frequency identification (RFID), Hardware_PERFORMANCEANDRELIABILITY, 02 engineering and technology, Integrated circuit, 01 natural sciences, Article, law.invention, Touchscreen, Engineering, law, On chips, 0103 physical sciences, Hardware_INTEGRATEDCIRCUITS, 0202 electrical engineering, electronic engineering, information engineering, LOGIC, Radio-frequency identification, Electronics, Electrical and Electronic Engineering, Thin film photovoltaic cells, Instrumentation, 010302 applied physics, Science & Technology, business.industry, Domestic appliances, Photovoltaic cells, Radio frequency identification tags, Electrical engineering, Asynchronous data, Supply voltages, Battery (vacuum tube), CIRCUIT, 020206 networking & telecommunications, Engineering, Electrical & Electronic, Readout Electronics, Thin film circuits, Chip, Data transfer, Electronic, Optical and Magnetic Materials, Photoelectrochemical cells, Antennas, Thin film battery, business, Thin film electronics, Data transmission
Abstract

Capacitive touchscreens are increasingly widespread, featuring in mobile phones and tablets, as well as everyday objects such as cars and home appliances. As a result, the interfaces are uniquely placed to provide a means of communication in the era of the Internet of Everything. Here we show that commercial touchscreens can be used as reader interfaces for capacitive coupled data transfer. The transfer of data to the touchscreen is achieved using a 12-bit thin-film capacitive radio frequency identification tag powered by a thin-film battery or a thin-film photovoltaic cell that converts light from the screen. The thin-film integrated circuit has a 0.8 cm2 on-chip monolithic antenna, employs 439 transistors, and dissipates only 31 nW of power at a supply voltage of 600 mV. The chip has an asynchronous data rate of up to 36 bps, which is limited by the touchscreen readout electronics. ispartof: NATURE ELECTRONICS vol:2 issue:12 pages:606-611 ispartof: location:England status: published

Published
2019

2. Touchscreen tags based on thin-film electronics for the Internet of Everything

Subjects
Domestic appliances, Photovoltaic cells, Thin films, Radio frequency identification (RFID), Radio frequency identification tags, Asynchronous data, Supply voltages, Hardware_PERFORMANCEANDRELIABILITY, Readout Electronics, Thin film circuits, Data transfer, On chips, Hardware_INTEGRATEDCIRCUITS, Photoelectrochemical cells, Antennas, Thin film battery, Thin film photovoltaic cells, Thin film electronics
Abstract

Capacitive touchscreens are increasingly widespread, featuring in mobile phones and tablets, as well as everyday objects such as cars and home appliances. As a result, the interfaces are uniquely placed to provide a means of communication in the era of the Internet of Everything. Here, we show that commercial touchscreens can be used as reader interfaces for capacitive coupled data transfer. The transfer of data to the touchscreen is achieved using a 12 bit thin-film capacitive radio-frequency identification tag powered by a thin-film battery or a thin-film photovoltaic cell that converts light from the screen. The thin-film integrated circuit has a 0.8 cm2 on-chip monolithic antenna, employs 439 transistors and dissipates only 31 nW of power at a supply voltage of 600 mV. The chip has an asynchronous data rate of up to 36 bps, which is limited by the touchscreen readout electronics.

Published
2019

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