Zinc Oxide Based Light Emitting Diodes

76088-The currently-used transparent conducting oxide electrode for OLED construction is very expensive. It is desired not only to lower the electrode material cost, but also to lower its electrical resistivity and increase its optical transmissiveness. In order to improve the cost and efficiency of OLEDs for solid-state lighting, this project will develop an alternate transparent conducting oxide electrode. In Phase I, a selectively-doped conducting oxide will be synthesized and pressed into a sputtering target. This target will be deposited into films on a polished glass substrate. The substrates will be converted into fully functional OLEDs and tested for optical and electrical performance. Commercial Applications and Other Benefits as described by the awardee: The alternative transparent conducting oxide electrode should provide for lower cost and possibly higher performance OLEDs, flat panel displays, electrochromic mirrors and windows, and defrosting windows.