Patent ID: 6600197
Filing Date: 2003-07-29
Classification: H01L

Abstract:
A semiconductor device comprising at least a bottom gate type thin film transistor including:a gate electrode being formed on an insulating surface; a gate insulating film being formed on the gate electrode; a semiconductor island being formed on the gate insulating film; a first region having a double-sided comb shape formed in the semiconductor island; a trunk portion formed in the first region; a plurality of branch portions formed in the first region extending vertically from the trunk portion; a pair of impurity regions formed in the semiconductor island where the first region is not formed; wherein the gate electrode is located under only the trunk portion of the first region with the gate insulating film therebetween, wherein a plurality of channel regions are formed in first portions of the first region, wherein a plurality of heat sink regions are formed in second portions of the first region.