Electro-optical device and electronic apparatus
View Patent ↗An electro-optical device includes: a plurality of pixel circuits, each of which is disposed at a position corresponding to each intersection position between a plurality of scanning lines and signal lines; and an initialization line which supplies an initialization potential to the plurality of pixel circuits, wherein each of the plurality of pixel circuits includes: an electro-optical element which has a gray scale in accordance with a current amount of a driving current; a storage capacitor of which a voltage across opposite ends is set in accordance with a potential of the signal line; an initializer which initializes the voltage across opposite ends of the storage capacitor by electrically connecting the initialization line to the storage capacitor; a driving transistor which controls the current amount of the driving current in accordance with the voltage of the storage capacitor; a first conductor which is electrically connected to a gate of the driving transistor and overlaps with the initialization line; and a second conductor which is interposed between the first conductor and the initialization line.
1. An electro-optical device comprising:
a plurality of pixel circuits, each of which is disposed at a position corresponding to each intersection position between a plurality of scanning lines and signal lines;
a power feeding line; and
an initialization line which supplies an initialization potential to the plurality of pixel circuits,
wherein each of the plurality of pixel circuits includes:
an electro-optical element which has a gray scale in accordance with a driving current;
a storage capacitor of which a voltage across opposite ends is set in accordance with a potential of the signal line;
an initializer which initializes the voltage across opposite ends of the storage capacitor by electrically connecting the initialization line to the storage capacitor;
a driving transistor which controls the driving current in accordance with the voltage of the storage capacitor, the driving transistor being electrically connected between the power feeding line and the electro-optical element;
a first conductor which is electrically connected to a gate of the driving transistor and overlaps with the initialization line; and
a second conductor which is electrically connected to the power feeding line, the second conductor being interposed between the first conductor and the initialization line.
2. The electro-optical device according to claim 1 ,
wherein the driving transistor includes a semiconductor layer, a gate electrode which faces the semiconductor layer with a gate insulating layer interposed therebetween, and an interconnection layer which is formed on a surface of an insulating layer covering the gate electrode so as to be electrically connected to the semiconductor layer,
wherein the initialization line is formed of the same layer as that of the interconnection layer,
wherein the first conductor is formed of the same layer as that of the semiconductor layer, and
wherein the second conductor is formed of the same layer as that of the gate electrode.
3. The electro-optical device according to claim 1 ,
wherein the second conductor includes the power feeding line.
4. The electro-optical device according to claim 1 ,
wherein the storage capacitor includes a first electrode to which a gray-scale potential is supplied from the signal line and a second electrode which is connected to the gate of the driving transistor, and
wherein the second conductor includes a portion which is electrically connected to the first electrode.
5. The electro-optical device according to claim 1 ,
wherein the second conductor overlaps with the initialization line at a portion except for a portion overlapping with the first conductor.
6. An electronic apparatus comprising:
the electro-optical device according to claim 1 .