Patent ID: 8284128
Filing Date: 2012-10-09
Classification: G09G

Abstract:
1. A semiconductor device comprising: a first transistor having a first terminal and a second terminal; a second transistor having a first terminal and a second terminal; a third transistor having a gate, a first terminal and a second terminal; an amplifier circuit having a first input terminal, a second input terminal and an output terminal; and a current source circuit, wherein the first terminal of the first transistor is electrically connected to the first input terminal of the amplifier circuit and the current source circuit, wherein the second terminal of the first transistor is electrically connected to the first terminal of the third transistor, wherein the first terminal of the second transistor is electrically connected to the output terminal of the amplifier circuit, and wherein the second terminal of the second transistor is electrically connected to the gate of the third transistor.