Patent 7315118 was granted and assigned to AU Optronics on January, 2008 by the United States Patent and Trademark Office.
A picture element for an electro-luminescent display comprises a substrate, a first intermediate structure disposed above a first area of the substrate, at least one first color type electro-luminescent device disposed above the first intermediate structure, a second intermediate structure disposed above a second area of the substrate, and at least one second color type electro-luminescent device disposed above the second intermediate structure. The second intermediate structure is different from the first intermediate structure.