Low-cost organic light-emitting devices for general illumination

Jie Liu; Larry N. Lewis; Tami J. Faircloth; Anil R. Duggal

doi:10.1117/12.683835

5 December 2006 Low-cost organic light-emitting devices for general illumination

Jie Liu, Larry N. Lewis, Tami J. Faircloth, Anil R. Duggal

Proceedings Volume 6333, Organic Light Emitting Materials and Devices X; 63330K (2006) https://doi.org/10.1117/12.683835
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Organic light-emitting devices (OLEDs) have shown great promise for general lighting applications. Over the past several years, tremendous progress has been made in improving performance attributes such as light quality, efficacy and lifetime of OLEDs. However, achieving the low cost manufacturing potential of OLEDs, another stringent requirement to enable lighting applications, has so far not been well addressed and explored. Here, we describe a vacuum-free, direct lamination process that could reduce OLED manufacturing costs substantially below what is currently possible. With this technique, OLEDs can be made by laminating an anode component to a separately engineered cathode component using a roll laminator. When coupled with a solution-based chemical n-doping strategy to enable efficient electron injection from an inert cathode into polymeric organic semiconductors, the lamination technique is able to produce high performance OLEDs with efficiency comparable to conventionally fabricated devices utilizing a vacuum-deposited, reactive metal cathode.

Citation Download Citation

Jie Liu, Larry N. Lewis, Tami J. Faircloth, and Anil R. Duggal "Low-cost organic light-emitting devices for general illumination", Proc. SPIE 6333, Organic Light Emitting Materials and Devices X, 63330K (5 December 2006); https://doi.org/10.1117/12.683835

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