Patent 7250728 was granted and assigned to AU Optronics on July, 2007 by the United States Patent and Trademark Office.
A bottom and top emission OLED structure includes: first and second anodes; first and second organic light-emitting layers disposed between the first and second anodes. A first electrode may be disposed between the first and second organic light-emitting layers or first and second electrically isolated electrodes may be disposed between the first and second organic light-emitting layers.