Patent ID: 6906344
Filing Date: 2005-06-14
Classification: G02F,H01L

Abstract:
1. A semiconductor device comprising: a first interconnection; a second interconnection; and a thin film transistor comprising a first electrode, a first insulating film in contact with the first electrode, a semiconductor film in contact with the first insulating film, a second insulating film in contact with the semiconductor film, and plural second electrodes in contact with the second insulating film, wherein the semiconductor film comprises plural channel-formed regions and at least first, second, and third impurity regions, the first impurity region is connected to the first interconnection, the second impurity region is connected to the second interconnection, and the third impurity region is placed between two of the channel-formed regions, the first electrode overlaps with all the third impurity region and all the channel-formed regions and does not overlap with the first and second impurity regions, the second electrodes are electrically connected to each other; and each of the second electrodes overlaps with each of the channel-formed regions.