| 摘要 |
A display device includes a capacitive element configured so that a portion of a semiconductor layer which is made conductive constitutes one electrode, an insulation film which covers the semiconductor layer constitutes a dielectric film, and a conductive layer which includes a portion which is formed over the insulation film and is overlapped to the one electrode constitutes another electrode. The conductive layer has an extension portion which extends outside of a region where the semiconductor layer is formed from the inside of the region where the semiconductor layer is formed, and is formed over the insulation film. The insulation film has, in a region where the insulation film is overlapped to both the semiconductor layer and the extension portion of the conductive layer, a film thickness which is larger than a film thickness at a portion thereof which is overlapped to the one electrode.
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