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Fraunhofer shows a new bi-directional OLED microdisplay that can measure distances

Germany's Fraunhofer institute has been touting their bi-directional OLED microdisplays for quite some time, and now they are showing a new version that doubles as a dimensional sensor. To create a bi-directional display, Fraunhofer placed photodiodes between the OLED pixels. These microdisplays can be used as dimensional sensorics for surface characterization (distance or inclination sensors).

Inverse-confocal OLED sensor image

"By inverse-confocal imaging approach a point-source sensor with purely electronic scanning allows extremely compact sensor modules", explains Constanze Grossmann from Fraunhofer IOF. "This opens completely new opportunities for machine integration."

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