| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9578105 | Chemical Physics Letters | 2005 | 5 Pages |
Abstract
We have fabricated a white polymer light-emitting-diode bilayer structure that contains a ternary polymer blend. The first layer of poly(9-vinylcarbazole) acts as an energy donor and electron blocker, and the second layer comprising an immiscible polymer blend of two light-emitting polymers, poly(9,9â²-dihexylfluorene-2,7-divinylene-m-phenylenevinylene-stat-p-phenylenevinylene) and poly(2-methoxy-5-(2â²-ethyl-hexyloxy)-1,4-phenylenevinylene), emits light. The emissive white color of the device was observed to be practically independent of the driving voltage (near CIE coordinate; 0.33, 0.33). In addition, it shows greatly enhanced luminous efficiency compared to a ternary blended white light-emitting-diode.
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Authors
Jong Hyeok Park, Tae-Woo Lee, Young Chul Kim, O Ok Park, Jai Kyeong Kim,