Display device and electronic equipment
A display device includes a pixel array section, the pixel array section having pixels arranged in a matrix form, at least one of the pixels including an electro-optical element, a write transistor, a capacitor, a drive transistor, and a switching transistor. A write scan line is disposed for each pixel row of the pixel array section and adapted to convey a write signal to be applied to a gate electrode of the write transistor. The wiring structure of the write scan line does not cross a wiring pattern connected to a gate electrode of the drive transistor.
1. A display device comprising:
a pixel array section including a plurality of pixels arranged in rows and columns, at least one of the pixels including
an electro-optical element,
a first transistor adapted to provide a data signal,
a holding capacitance adapted to hold the data signal provided by first transistor,
a drive transistor configured to drive the electro-optical element based on the data signal held by the holding capacitance, and
a switching transistor adapted to selectively write a reference potential to a gate electrode of the drive transistor;
write scan lines respectively disposed for each of the pixel rows of the pixel array section, one of the write scan lines being configured to convey the data signal to the first transistor; and
correction scan lines respectively disposed for each of the pixel rows of the pixel array section, one of the correction scan lines being configured to convey a correction scan signal to be applied to a gate electrode of the switching transistor,
wherein:
the correction scan lines are disposed outward of a region where components of the pixel are disposed,
the write scan lines are disposed further outward from the correction scan lines, and
the one of the write scan lines is electrically connected to a gate electrode of the first transistor via a wiring pattern formed on a wiring layer different from a wiring layer of the write scan lines.
2. The display device of claim 1 , wherein
the at least one of the pixels further includes a second transistor configured to control the light emission and non-light emission of the electro-optical element.
3. The display device of claim 2 , further comprising:
a light emission control scan line configured to convey a light emission drive signal to be applied to a gate electrode of the second transistor, the light emission control scan line being disposed such that the region where the components of the pixel are disposed is between the light emission control scan line and the write scan lines, the light emission control scan line is electrically connected to the gate electrode of the second transistor via a wiring pattern formed on a wiring layer different from a wiring layer of the light emission control scan line.
4. Electronic equipment comprising a display device according to claim 1 .
5. A display device comprising:
a plurality of pixels arranged in a matrix form, at least one of the plurality of pixels including:
an electro-optical element;
a capacitor;
a drive transistor configured to drive the electro-optical element;
a sampling transistor configured to apply a data signal from a data line to the capacitor; and
a first switching transistor connected between a voltage line and the capacitor,
wherein a control terminal of the sampling transistor is connected to a first scan line, wherein a control terminal of the switching transistor is connected to a second scan line,
wherein the first scan line and the second scan line extend along a first direction, wherein the data line and the voltage line extend along a second direction perpendicular to the first direction,
wherein the voltage line is connected to the capacitor via a first contact portion, via a second contact portion, via a channel layer of the switching transistor, via a third contact portion, via a first wiring, and via a fourth contact portion, in order, and
wherein the second scan line is not crossing the first wiring.
6. The display device of claim 5 , wherein
the first contact portion and the second contact portion are connected between the voltage line and the channel layer of the switching transistor, the third contact portion is connected between the channel layer of the switching transistor and the first wiring, and the fourth contact portion is connected between the first wiring and the capacitor.
7. The display device of claim 5 , wherein
a control terminal of the drive transistor is disposed on a first layer, the channel layer of the switching transistor is disposed on a second layer, and the voltage line and the first wiring are disposed on a third layer.
8. The display device of claim 5 , wherein
the first scan line is not crossing the first wiring.
9. The display device of claim 5 , wherein
a material of the voltage line and a material of the data line are same.
10. The display device of claim 5 , wherein
a material of the first scan line and a material of the second scan line are same.
11. The display device of claim 5 , wherein
the channel layer of the switching transistor is made of Silicon.