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Proceedings Paper

OLED integrated silicon membranes for light-modulation devices
Author(s): David Cheneler; Michael Vervaeke; Hugo Thienpont; Vito G. Lambertini; Mauro Brignone
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Paper Abstract

Organic light-emitting diodes (OLEDs) are most frequently used for display purposes and while they have also been utilized in sensing applications, their innate compliance has not previously been exploited for these applications. However, in this manuscript it is shown that OLEDs are compatible with microfabrication methods used in the production of micro mechanical devices. In particular it is shown that the compliance of OLEDs can be utilized in, and not limited to, a new generation of opto-mechanical pressure sensors. A fabrication process for a light-modulating pressure sensor is described. Prototypes were fabricated and tested and the response compared to an analytical theory developed by the authors. It is shown with simple circuitry, a resolution of 11.4 Pa up to 350 kPa is attainable using this technology.

Paper Details

Date Published: 15 May 2014
PDF: 11 pages
Proc. SPIE 9141, Optical Sensing and Detection III, 914118 (15 May 2014); doi: 10.1117/12.2051402
Show Author Affiliations
David Cheneler, Lancaster Univ. (United Kingdom)
Michael Vervaeke, Vrije Univ. Brussel (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)
Vito G. Lambertini, Ctr. Ricerche Fiat S.C.p.A. (Italy)
Mauro Brignone, Ctr. Ricerche Fiat S.C.p.A. (Italy)

Published in SPIE Proceedings Vol. 9141:
Optical Sensing and Detection III
Francis Berghmans; Anna G. Mignani; Piet De Moor, Editor(s)

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