Semiconductor device and process for fabricating the same

Abstract

An electro-optical device such as a liquid crystal device comprises a transparent substrate and a plurality of thin film transistors for driving pixel electrodes. In order to prevent an undesirable influence of light incident on the thin film transistors, a light shielding layer is interposed between the thin film transistors and the transparent substrate. Another portion of the light-shielding layer which corresponds to the pixel electrodes, has been changed to transparent by selectively oxidizing or nitriding the layer.

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