Display device with touch detecting function and electronic apparatus
View Patent ↗According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.
1. A display device comprising:
a substrate;
pixels arranged on the substrate; and
a touch detection electrode including thin wire pieces, and the touch detection electrode including a first conductive thin wire and a second conductive thin wire, each of the first conductive thin wire and the second conductive thin wire including a first part of the thin wire pieces,
wherein the first conductive thin wire have a first region and a second region adjacent to the first region,
wherein each of the first region and the second region is surrounded by four thin wire pieces of the first part of the thin wire pieces,
wherein a size of the first region is different from a size of the second region,
wherein the first conductive thin wire and the second conductive thin wire are connected by a connecting portion, and
wherein a second part of the thin wire pieces is arranged between the first conductive thin wire and the second conductive thin wire, and the second part of the thin wire pieces is not connected to the first conductive thin wire, the second conductive thin wire, and the connecting portion.
2. The display device according to claim 1 ,
wherein the first conductive thin wire and second conductive thin wire have shapes different from each other.
3. The display device according to claim 1 ,
wherein the connecting portion includes a first connecting portion and a second connecting portion, and
wherein the first region and the second region are arranged between the first connecting portion and the second connecting portion.
4. The display device according to claim 1 ,
wherein the second conductive thin wire includes a third region and a fourth region,
wherein each of the third region and the fourth region is surrounded by four thin wire pieces of the first part of the thin wire pieces, and
wherein a size of the third region is different from a size of the fourth region.
5. The display device according to claim 4 ,
wherein the connecting portion includes a first connecting portion and a second connecting portion, and
wherein the first region, the second region, the third region, and the fourth region are arranged between the first connecting portion and the second connecting portion.
6. The display device according to claim 1 ,
wherein each of the first conductive thin wire and the second conductive thin wire has a first bent portion and a second bent portion that is adjacent to the first bent portion,
wherein the first bent portion has a first angle formed by adjacent thin wire pieces, and the second bent portion has a second angle formed by adjacent thin wire pieces, and
wherein the first angle and the second angle are different from each other.
7. The display device according to claim 1 ,
wherein,
when the maximum length of one pixel in a pixel orthogonal direction orthogonal to a pixel array direction on a plane parallel to a surface of the substrate is determined to be a first unit length, and the maximum length of one pixel in the pixel array direction is determined to be a second unit length,
the thin wire pieces extend in a direction inclined at an angle with respect to the pixel array direction, and
a tangent value of the angle
is larger than a value obtained by dividing the value of the first unit length by a value twice as large as the second unit length,
is smaller than a value obtained by dividing a value twice as large as the first unit length by the value of the second unit length, and
is different from a value obtained by dividing the value of the first unit length by the value of the second unit length.
8. The display device according to claim 1 ,
wherein the thin wire pieces extend in a direction inclined
at an angle larger than 27 degrees and smaller than 45 degrees or
at an angle larger than 45 degrees and smaller than 63 degrees
with respect to a pixel array direction in which a color area having the highest human visibility among a plurality of color areas included in each of the pixels is aligned.
9. The display device according to claim 1 ,
wherein at least one of the four thin wire pieces forming the first region is not parallel to each of the four thin wire pieces forming the second region.
10. The display device according to claim 1 ,
wherein at least one of the four angles of the first region is different from each of the four angle of the second region.
11. The display device according to claim 1 ,
wherein a touch detection electrode includes a third conductive thin wire,
wherein the first conductive thin wire extends to a first direction, and
wherein the third conductive thin wire extends to a second direction crossing to the first direction, and includes a region surrounded by four thin wire pieces of the first part of the thin wire pieces and arranged adjacent to the first region.
12. The display device according to claim 11 ,
wherein a size of the region of the third conductive thin wire is different from at least one of the size of the first region and the size of the second region.
13. The display device according to claim 1 ,
wherein a difference between a first angle and a second angle is equal to or less than 15 degrees,
the first angle being formed by adjacent thin wire pieces at a first bent portion included in one conductive thin wire,
the second angle being formed by adjacent thin wire pieces at a second bent portion adjacent to the first bent portion included in the one conductive thin wire.
14. An electronic apparatus having the display device according to claim 1 .
15. A detection device comprising:
a touch detection electrode including thin wire pieces, and the touch detection electrode including a first conductive thin wire and a second conductive thin wire, each of the first conductive thin wire and the second conductive thin wire including a first part of the thin wire pieces,
wherein the first conductive thin wire have a first region and a second region adjacent to the first region,
wherein each of the first region and the second region is surrounded by four thin wire pieces of the first part of the thin wire pieces,
wherein a length of a diagonal line of the first region is different from a length of a diagonal line of the second region,
wherein the first conductive thin wire and the second conductive thin wire are connected by a connecting portion, and
wherein a second part of the thin wire pieces is arranged between the first conductive thin wire and the second conductive thin wire, and the second part of the thin wire pieces is not connected to the first conductive thin wire, the second conductive thin wire, and the connecting portion.
16. The detection device according to claim 15 ,
wherein the first region has a first diagonal line and a second diagonal line,
wherein the second region has a third diagonal line and a fourth diagonal line, and
wherein a length of the first diagonal line is different from at least one of a length of the third diagonal line and a length of the fourth diagonal line.
17. The detection device according to claim 16 ,
wherein a length of the second diagonal line is different from at least one of the length of the third diagonal line and the length of the fourth diagonal line.
18. A display device having the detection device according to claim 15 .
19. An electronic apparatus having the display device according to claim 18 .