| CPC G02F 1/1343 (2013.01) [G02F 1/136286 (2013.01); G09F 9/30 (2013.01); G09G 3/3648 (2013.01); H01L 27/1225 (2013.01); H01L 29/78648 (2013.01); H01L 29/7869 (2013.01); H01L 29/78696 (2013.01); G02F 1/133602 (2013.01); G02F 1/13606 (2021.01); G09G 2300/0439 (2013.01)] | 6 Claims |
|
1. A display device comprising:
a plurality of pixels, a first pixel of the plurality of pixels comprising:
a first transistor;
a second transistor;
a first pixel electrode electrically connected to the first transistor;
a second pixel electrode electrically connected to the second transistor;
a first capacitor and a second capacitor which are electrically connected to the first transistor; and
a third capacitor and a fourth capacitor which are electrically connected to the second transistor,
wherein the display device comprises:
a first conductive layer having a region that functions as a gate electrode of the first transistor, a region that functions as a gate electrode of the second transistor, and a region that functions as a scan line;
a second conductive layer comprising a same material as the first conductive layer and having a region that functions as one electrode of the first capacitor;
a first insulating layer having a region in contact with a top surface of the first conductive layer and a region in contact with a top surface of the second conductive layer;
a semiconductor film over the first insulating layer, the semiconductor film comprising a channel region of the first transistor and a channel region of the second transistor;
a third conductive layer over the semiconductor film, the third conductive layer having a region that functions as one of a source electrode and a drain electrode of the first transistor, a region that functions as one of a source electrode and a drain electrode of the second transistor, and a region that functions as a signal line;
a fourth conductive layer having a region that functions as the other of the source electrode and the drain electrode of the first transistor, a region that functions as the other electrode of the first capacitor, and a region in contact with the first pixel electrode;
a fifth conductive layer having a region that functions as the other of the source electrode and the drain electrode of the second transistor and a region in contact with the second pixel electrode;
a sixth conductive layer comprising a same material as the third conductive layer, the fourth conductive layer, and the fifth conductive layer; and
a second insulating layer having a region in contact with a top surface of the third conductive layer, a region in contact with a top surface of the fourth conductive layer, a region in contact with a top surface of the fifth conductive layer, and a region in contact with a top surface of the sixth conductive layer,
wherein, in a plan view, the sixth conductive layer has a region extending in a direction parallel to the direction in which the third conductive layer extends,
wherein the first pixel electrode is provided over the second insulating layer,
wherein, in the plan view, the first pixel electrode has a region overlapping the second conductive layer via the fourth conductive layer and a region overlapping the second conductive layer via the sixth conductive layer, and
wherein, in the plan view, the sixth conductive layer overlaps the first conductive layer.
|