Light-modulating pressure sensor with integrated flexible organic light-emitting diode

Cheneler, David and Vervaeke, Michael and Thienpont, Hugo (2014) Light-modulating pressure sensor with integrated flexible organic light-emitting diode. Applied Optics, 53 (13). pp. 2766-2772. ISSN 2155-3165

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Abstract

Organic light-emitting diodes (OLEDs) are used almost exclusively for display purposes. Even when implemented as a sensing component, it is rarely in a manner that exploits the possible compliance of the OLED. Here, it is shown that OLEDs can be integrated into compliant mechanical micro devices making a new range of applications possible. A light-modulating pressure sensor is considered, whereby the OLED is integrated with a silicon membrane. It is shown that such devices have potential and advantages over current measurement techniques. An analytical model has been developed that calculates the response of the device. Ray tracing numerical simulations verify the theory and show that the design can be optimised to maximise the resolution of the sensor.

Item Type:
Journal Article
Journal or Publication Title:
Applied Optics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
69133
Deposited By:
Deposited On:
07 Apr 2014 09:20
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Jan 2020 02:17