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Miniaturized projection systems with OLED microdisplays - approaches for industrial measurement

: Riehemann, S.; Palme, M.; Kühmstedt, P.; Notni, G.


Morreale, J. ; Society for Information Display -SID-:
SID International Symposium 2005. Digest of technical papers : 24-27.5.2005, Boston, Mass.
San Jose, Calif.: SID, 2005
ISSN: 0004-966X
Society for Information Display (SID International Symposium) <36, 2005, Boston/Mass.>
Conference Paper
Fraunhofer IOF ()
OLED-display; projection system

A new projection concept for industrial measurement systems will be presented. Up to now these systems were based on reflective and/or transmissive microdisplays Iike digital micromirror devices (DMDs), nematic liquid crystals displays (LCDs) or liquid crystal on silicon displays (LCOS). But the size of the light source and of the illumination optic is a strong limitation for the miniaturization of the sensor system itself or for the Integration in industrial production lines/machines. Here we propose to use a high-brightness OLED-display (organic light-emitting diode) as active element for fringe pattern generation, giving the possibility to realize compact projection units. First approaches are demonstrated.