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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 20, Iss. S2 — Mar. 12, 2012
  • pp: A219–A223

Multi-layer printing of OLEDs as a tool for the creation of security features

Bert Fischer, Stefanie Kreissl, Christine Boeffel, and Armin Wedel  »View Author Affiliations


Optics Express, Vol. 20, Issue S2, pp. A219-A223 (2012)
http://dx.doi.org/10.1364/OE.20.00A219


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Abstract

The combined deposition of structured and homogenous layers for the device setup of OLEDs results in a structured display visible with a gray scale impression. These permanently imprinted structures are only visible during the application of an electrical field and almost invisible in the off state. Most intriguing applications of such devices are security marks, electronic watermarks but also for advertising and design applications the creation of gray scale structures might have interesting applications.

© 2012 OSA

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.2080) Optoelectronics : Polymer active devices

ToC Category:
Light-Emitting Diodes

History
Original Manuscript: October 25, 2011
Manuscript Accepted: December 4, 2011
Published: January 25, 2012

Virtual Issues
Organic Light-Emitting Diodes (2011) Optics Express

Citation
Bert Fischer, Stefanie Kreissl, Christine Boeffel, and Armin Wedel, "Multi-layer printing of OLEDs as a tool for the creation of security features," Opt. Express 20, A219-A223 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-S2-A219


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References

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