Luminescent line art by direct-write patterning

Erik Mattias Lindh; Andreas Sandström; Mats Roland Andersson; Ludvig Edman

doi:10.1038/lsa.2016.50

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Luminescent line art by direct-write patterning

Original Articles

- Luminescent line art by direct-write patterning
- Light: Science & Applications Vol. 5, Issue 2, (2016)
- Affiliations：
  
  1.The Organic Photonics and Electronics Group, UmeåUniversity, Umeå, Sweden
  2.LunaLEC AB, Umeå, Sweden
  3.Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
- Author bio：
  
  L Edman, Email: ludvig.edman@umu.se
- Funds：
- DOI：10.1038/lsa.2016.50
  CLC：
- Published：2016-06，
  
  Published Online：25 November 2015，
  
  Received：21 August 2015，
  
  Revised：21 November 2015，
  
  Accepted：22 November 2015
- Accepted：
Scan QR Code
Lindh, E. M. et al. Luminescent line art by direct-write patterning. Light: Science & Applications, 5, e16050 (2016).
DOI：

Lindh, E. M. et al. Luminescent line art by direct-write patterning. Light: Science & Applications, 5, e16050 (2016). DOI： 10.1038/lsa.2016.50.

摘要

Abstract

We present a direct-write patterning method for the realization of electroluminescent (EL) line art using a surface-emissive light-emitting electrochemical cell with its electrolyte and EL material separated into a bilayer structure. The line-art emission is achieved through subtractive patterning of the electrolyte layer with a stylus

and the single-step patterning can be either manual for personalization and uniqueness or automated for high throughput and repeatability. We demonstrate that the light emission is effectuated by cation-assisted electron injection in the patterned regions and that the resulting emissive lines can be as narrow as a few micrometers. The versatility of the method is demonstrated through the attainment of a wide range of light-emission patterns and colors using a variety of different materials. We propose that this low-voltage-driven and easy-to-modify luminescent line-art technology could be of interest for emerging applications

such as active packaging and personalized gadgets.

关键词

Keywords

direct-write patterninglight-emitting electrochemical cellluminescent line artorganic electronics

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