摘要 |
A thin-film semiconductor device having two thin-film transistors, wherein each of the two thin-film transistors includes: a gate electrode; a gate insulating film; a semiconductor layer; a channel protection layer; an intrinsic semiconductor layer; a contact layer in contact with a portion of sides of the channel region; a source electrode on the contact layer; and a drain electrode opposite to the source electrode on the contact layer, wherein the contact layer of one of the two thin-film transistors has a conductivity type different from a conductivity type of the contact layer of the other of the two thin-film transistors. |