Patent ID: 7116748

Claim:
A pulse output circuit comprising: a first input terminal; a second input terminal; a third input terminal; a first output terminal; a first transistor having: a first electrode electrically connected to the first input terminal; a second electrode electrically connected to the first output terminal; and a first gate electrode; a second transistor having: a third electrode electrically connected to a first power source; a fourth electrode electrically connected to the first output terminal; and a second gate electrode; a first amplitude compensation circuit having: a fourth input terminal; a fifth input terminal; and a second output terminal electrically connected to the second gate electrode; a second amplitude compensation circuit having: a sixth input terminal; a seventh input terminal electrically connected to the second output terminal; and a third output terminal electrically connected to the first gate electrode; and a scanning direction switch circuit having: a eighth input terminal electrically connected to the second input terminal; a ninth input terminal electrically connected to the third input terminal; a fourth output terminal electrically connected to the sixth input terminal and to the fifth input terminal; and a fifth output terminal electrically connected to the fourth input terminal, wherein the first transistor and the second transistor have a same conductivity type.