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Proceedings Article

Light emitting polymer materials for full-color displays

[+] Author Affiliations
Hubert Spreitzer, Heinrich Becker, Esther Breuning, Aurelie Falcou, Kevin Treacher, Arne Busing, Amir Parham, Philipp Stossel, Susanne Heun, Juergen Steiger

Covion Organic Semiconductors GmbH (Germany)

Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, 16 (March 3, 2003); doi:10.1117/12.451905
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From Conference Volume 4800

  • Organic Light-Emitting Materials and Devices VI
  • Zakya H. Kafafi; Homer Antoniadis
  • Seattle, WA | July 07, 2002

abstract

In the last few years, industrial research into materials fulfilling the needs of the maturing OLED display industry has intensified considerably. A first generation of polymers (phenyl-PPVs) is now being commercially exploited in first monochrome polymer LED displays. Nevertheless, due to market interest, there is a huge demand for materials for full-color OLED displays. After giving some initial results on our work in this field at last year's SPIE, we will report on the progress in the development of polymers for red, green, and blue emission. Our main focus here lies on the improvement of the properties of various polymers derived from the spiro-bifluorene core. Depending on the color, the main issues vary strongly: Whereas e.g. for BLUE materials, efficiency, color coordinates, and processibility fulfill already commercial demands, operational lifetime still needs to be improved strongly. For RED materials, in contrast, the operational lifetime is already excellent, whereas the efficiency and the driving current still need to be improved. For GREEN acquiring saturated emission, whilst maintaining the other properties (high efficiency, long operational lifetime), is still challenging. Also, we will report on advances in full-color patterning, especially techniques based on Ink-Jet Printing.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Hubert Spreitzer ; Heinrich Becker ; Esther Breuning ; Aurelie Falcou ; Kevin Treacher, et al.
"Light emitting polymer materials for full-color displays", Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, 16 (March 3, 2003); doi:10.1117/12.451905; http://dx.doi.org/10.1117/12.451905


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