| 摘要 |
A first conductive film, a first insulating film, a semiconductor film, an impurity semiconductor film, a second conductive film, and a first resist mask are formed; first etching is performed to expose at least a surface of the first conductive film; second etching accompanied by side etching is performed on part of the first conductive film to form a gate electrode layer; a second resist mask is formed; third etching is performed to form a source and drain electrode layers, a source and drain regions, and a semiconductor layer; a second insulating film is formed; an opening portion is formed in the second insulating film to partially expose the source or drain electrode layer; a pixel electrode is selectively formed in the opening portion and over the second insulating film; and a supporting portion formed using the gate electrode layer is formed in a region overlapping with the opening portion.
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