Demultiplexer, display device including the same and driving method thereof

The present invention includes a first transistor connected between the data input and the first data output line; A second transistor coupled between the data input line and the second data output line; And the first turn at the same time as the first transistor is turned on, it relates to the first display device including this demultiplexer, comprising an initialization transistor for transmitting an initialization voltage to the second data output line and a driving method.