Transparent conductive electrode stack containing carbon-containing material
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United States of America Patent
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Mar 3, 2015
Grant Date -
Jun 26, 2014
app pub date -
Feb 3, 2014
filing date -
Sep 25, 2012
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Abstract
A transparent conductive electrode stack containing a work function adjusted carbon-containing material is provided. Specifically, the transparent conductive electrode stack includes a layer of a carbon-containing material and a layer of a work function modifying material. The presence of the work function modifying material in the transparent conductive electrode stack shifts the work function of the layer of carbon-containing material to a higher value for better hole injection into the OLED device as compared to a transparent conductive electrode that includes only a layer of carbon-containing material and no work function modifying material.
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