JP2005049844A5

JP2005049844A5 -

Info

Publication number: JP2005049844A5
Application number: JP2004201411A
Authority: JP
Filing date: 2004-07-08
Publication date: 2007-11-15
Anticipated expiration: 2024-07-08

Claims

A first signal line, a first switch, a second switch, a current source circuit, and a plurality of pixels;
The first signal line is electrically connected to the plurality of pixels via the first switch;
The current source circuit is electrically connected to the plurality of pixels via the second switch;
After a video signal voltage corresponding to a video signal current supplied from the current source circuit is input to the plurality of pixels from the first signal line, the video signal current is supplied from the current source circuit to the plurality of pixels. A semiconductor device characterized by inputting.

Oite to claim 1,
A semiconductor device comprising: a drive circuit that sequentially selects the first switch.

In claim 1 or 2 ,
The current source circuit, and wherein a second signal Line you supply a current corresponding to the video signal current is electrically connected.

In claim 3 ,
Wherein a driving circuit for controlling the timing of sequentially supplies a current corresponding to the video signal current to the current source circuit is provided.

In claim 3 or 4 ,
A semiconductor device comprising a voltage / current supply circuit for supplying the video signal voltage to the first signal line and supplying a current corresponding to the video signal current to the second signal line .

In claim 5,
The semiconductor device according to claim 1 , wherein the video signal voltage is a precharge voltage to the plurality of pixels electrically connected to the first signal line.

5. The semiconductor device according to claim 1, further comprising a voltage storage circuit having a function of outputting the video signal voltage between the first switch and the plurality of pixels. .

After inputting the video signal voltage corresponding to the video signal current supplied from the current source circuit to the plurality of pixels from the first signal line via the first switch,
A method for driving a semiconductor device, comprising: inputting the video signal current from the current source circuit to the plurality of pixels through a second switch.

A video signal voltage corresponding to the video signal current supplied from the first current source circuit is input to the first plurality of pixels from the first signal line via the first switch,
After a video signal voltage corresponding to the video signal current supplied from the second current source circuit is input to the second plurality of pixels from the second signal line via the second switch,
The video signal current is input from the first current source circuit to the first plurality of pixels via a third switch, and the second current source circuit is connected to the second current via a fourth switch. A method for driving a semiconductor device, wherein the video signal current is input to a plurality of pixels.

After a video signal voltage corresponding to the video signal current supplied from the first current source circuit is input to the first plurality of pixels from the first signal line via the first switch,
A video signal voltage corresponding to a video signal current supplied from a second current source circuit is input to a second plurality of pixels from a second signal line via a second switch, and the first current source A method for driving a semiconductor device, wherein the video signal current is input from a circuit to the first plurality of pixels through a third switch.