Patent ID: 7098473
Filing Date: 2006-08-29
Classification: G02F,H01L

Abstract:
1. An organic EL display using a thin film transistor having a substrate of ceramic and a matrix of pixel regions, the organic EL display comprising: the substrate of ceramic; a semiconductor layer formed on a region of the substrate having a source region and a drain region; a source electrode in contact with the source region in the semiconductor layer for use as a data line; a pixel electrode formed in each of the pixel region in contact with the drain region in the semiconductor layer; an insulating layer between the substrate and the semiconductor layer, the semiconductor layer and the source electrode, or the source electrode and the pixel electrode; an organic EL layer formed on the pixel electrode; a common electrode formed on the organic EL layer; and a transparent protection film formed of a polymer group on the common electrode, wherein the ceramic consists essentially of MgO group, and the substrate and the thin film transistor are used in a display device.