Light-emitting device and electronic apparatus
A light-emitting device includes a drive transistor for controlling the quantity of current supplied to a light-emitting element, a capacitor element electrically connected to a gate electrode of the drive transistor, and an electrical continuity portion for electrically connecting the drive transistor and the light-emitting element, these elements being disposed on a substrate. The electrical continuity portion is disposed on the side opposite to the capacitor element with the drive transistor disposed therebetween.
1. A light-emitting device, comprising:
a data line that extends along a first direction;
a scan line which a selection signal is supplied to, the scan line extending along a second direction intersecting the first direction;
a power line that extends along the second direction;
a light-emitting element that has a first electrode, a second electrode opposed to the first electrode, and a light emitting layer disposed between the first electrode and the second electrode,
a first transistor that has a gate electrode and is electrically connected between the power line and the light-emitting element;
a second transistor that is electrically connected between the gate electrode of the first transistor and a drain of the first transistor;
a capacitor element that is electrically connected to the first transistor and the second transistor; and
a control signal line that: (i) extends across plural pixels of the display, (ii) supplies a control signal controlling the second transistor, and (iii) extends along the second direction, wherein:
the scan line is disposed between the capacitor and the control signal line in a plan view.
2. The light-emitting device as set forth in claim 1 , wherein the power line overlaps the capacitor element in the plan view.
3. An electronic apparatus comprising the light-emitting device according to claim 2 .
4. The light-emitting device as set forth in claim 1 , further comprising:
a third transistor that is placed in an on state or an off state in response to the selection signal, and
the gate electrode of the first transistor being set at a potential according to a data signal that is supplied from the data line through the third transistor that has been placed in the on state.
5. The light-emitting device as set forth in claim 4 , wherein the power line overlaps the third transistor in the plan view.
6. The light-emitting device as set forth in claim 5 , further comprising:
a connecting portion that is electrically connected to the second transistor and the capacitor element, and
the connecting portion overlapping a channel region of the third transistor in the plan view.
7. An electronic apparatus comprising the light-emitting device according to claim 6 .
8. An electronic apparatus comprising the light-emitting device according to claim 5 .
9. The light-emitting device as set forth in claim 4 , further comprising:
a connecting portion that is electrically connected to the second transistor and the capacitor element, and
the connecting portion overlapping a channel region of the third transistor in the plan view.
10. The light-emitting device as set forth in claim 9 , wherein the connecting portion does not overlap a gate electrode of the third transistor in the plan view.
11. An electronic apparatus comprising the light-emitting device according to claim 10 .
12. An electronic apparatus comprising the light-emitting device according to claim 4 .
13. An electronic apparatus comprising the light-emitting device according to claim 9 .
14. An electronic apparatus comprising the light-emitting device according to claim 1 .
15. A light-emitting device, comprising:
a data line that extends along a first direction;
a scan line which a selection signal is supplied to, the scan line extending along a second direction intersecting the first direction;
a power line that extends along the second direction;
a light-emitting element that has a first electrode, a second electrode opposed to the first electrode, and a light emitting layer disposed between the first electrode and the second electrode;
a first transistor that has a gate electrode and is electrically connected between the power line and the light emitting element;
a second transistor that is electrically connected between the gate electrode of the first transistor and a drain of the first transistor;
a control signal line that: (i) extends across plural pixels of the display, (ii) and extends in a second direction;
a capacitor element that is electrically connected to the first transistor and the second transistor; and
a third transistor that is placed in an on state or an off state in response to the selection signal, wherein:
the third transistor is disposed between the capacitor and the second transistor in a plan view, and the scan line is disposed between the third transistor and the control signal line.
16. An electronic apparatus comprising the light-emitting device according to claim 15 .