Touchscreen
A touchscreen includes a plurality of X electrodes extending in a first direction and arranged in parallel in a second direction, a plurality of Y electrodes extending in the second direction so as to intersect the X electrodes and arranged in parallel in the first direction, and pedestal layers formed at respective intersections between the plurality of X electrodes and the plurality of Y electrodes, wherein an intersection portion of each Y electrode is formed under the pedestal layer, wherein a part of an intersection portion of each X electrode is formed on the pedestal layer and both ends thereof are electrically connected to adjacent electrode portions of the X electrodes, and wherein a profile of a portion of the pedestal layer intersecting the intersection portion of the X electrode has a nonlinear shape when viewed from a direction perpendicular to the substrate.
1. A touch panel comprising:
a substrate;
a plurality of X electrodes that extend above the substrate in a first direction;
a plurality of Y electrodes that extend above the substrate in the second direction so as to intersect the X electrodes; and
pedestal layers that are formed at respective intersections between the plurality of X electrodes and the plurality of Y electrodes,
wherein the Y electrode includes an intersection portion intersecting the X electrode and an electrode portion formed in the same layer as the X electrode so as to be separated from the X electrode,
wherein the X electrode includes an intersection portion intersecting the Y electrode and an electrode portion formed in the same layer as the Y electrode so as to be separated from the Y electrode,
wherein the intersection portion of Y electrode is formed under the pedestal layer,
wherein a part of the intersection portion of X electrode is formed on the pedestal layer and both ends of the intersection portion of X electrode are electrically connected to adjacent electrode portions of the X electrodes, and
wherein a planar shape of the pedestal layer viewed from a direction perpendicular to the substrate is more rounded than that of the intersection portion of the X electrode.
2. The touch panel according to claim 1 ,
wherein the planar shape of the pedestal layer is a polygonal shape of which the number of sides is equal to or more than a pentagonal shape when viewed from the direction perpendicular to the substrate.
3. The touch panel according to claim 1 ,
wherein the planar shape of the pedestal layer is a circular shape when viewed from the direction perpendicular to the substrate.
4. The touch panel according to claim 2 ,
wherein both ends of the electrode portion of the Y electrode in the first direction and both ends of the electrode portion of the X electrode in the second direction are formed under the pedestal layer.
5. The touch panel according to claim 1 ,
wherein the pedestal layer has an elliptical shape of which a long axis direction is an extending direction of the intersection portion of the X electrode when viewed from the direction perpendicular to the substrate.
6. The touch panel according to claim 5 ,
wherein both ends of each of the electrode portions of the plurality of X electrodes in the second direction are formed under the pedestal layer.
7. The touch panel according to claim 6 ,
wherein the pedestal layer is formed in a tapered shape of which a thickness of a side surface gradually increases toward a planarized portion on an opposite side to a surface coming into contact with the substrate.
8. The touch panel according to claim 7 , further comprising:
an index matching layer that is formed on the substrate, wherein the X electrodes, the Y electrodes, and the pedestal layers are formed on the index matching layer.
9. The touch panel according to claim 8 ,
wherein the electrode portion of the X electrode and the electrode portion of the Y electrode have a rhombic shape when viewed from the direction perpendicular to the substrate.
10. The touch panel according to claim 9 , further comprising:
a protective layer that is formed so as to cover the X electrodes and the Y electrodes.
11. A touch panel comprising:
a substrate;
a plurality of X electrodes that extend above the substrate;
a plurality of Y electrodes that extend above the substrate so as to intersect the X electrodes;
a plurality of pedestal layers that are formed at intersections of the plurality of X electrodes and the plurality of Y electrodes; and
a protective layer formed so as to cover the X electrode, the Y electrode and the pedestal layer,
wherein the Y electrode includes an intersection portion intersecting the X electrode and an electrode portion formed in the same layer as the X electrode so as to be separated from the X electrode,
wherein the X electrode includes an intersection portion intersecting the Y electrode and an electrode portion formed in the same layer as the Y electrode so as to be separated from the Y electrode,
wherein the intersection portion of Y electrode is formed under the pedestal layer,
wherein a part of the intersection portion of X electrode is formed on the pedestal layer and both ends of the intersection portion of the X electrode are electrically connected to adjacent electrode portions of the X electrode, and
wherein a planar shape of the pedestal layer viewed from a direction perpendicular to the substrate is more rounded than that of the intersection portion of the X electrode,
wherein the protective layer is formed on the electrode portion of the X electrode and the Y electrode.
12. The touch panel according to claim 11 ,
wherein the planar shape of the pedestal layer is a polygonal shape of which the number of sides is equal to or more than a pentagonal shape when viewed from the direction perpendicular to the substrate.
13. The touch panel according to claim 11 ,
wherein the planar shape of the pedestal layer is a circular shape when viewed from the direction perpendicular to the substrate.
14. The touch panel according to claim 12 ,
wherein both ends of the electrode portion of the Y electrode in the first direction and both ends of the electrode portion of the X electrode in the second direction are formed under the pedestal layer.
15. The touch panel according to claim 11 ,
wherein the pedestal layer has an elliptical shape of which a long axis direction is an extending direction of the intersection portion of the X electrode when viewed from the direction perpendicular to the substrate.
16. The touch panel according to claim 15 ,
wherein both ends of each of the electrode portions of the plurality of X electrodes in the second direction are formed under the pedestal layer.
17. The touch panel according to claim 16 ,
wherein the pedestal layer is formed in a tapered shape of which a thickness of a side surface gradually increases toward a planarized portion on an opposite side to a surface coming into contact with the substrate.
18. The touch panel according to claim 17 , further comprising:
an index matching layer that is formed on the substrate, wherein the X electrodes, the Y electrodes, and the pedestal layers are formed on the index matching layer.
19. The touch panel according to claim 18 ,
wherein the electrode portion of the X electrode and the electrode portion of the Y electrode have a rhombic shape when viewed from the direction perpendicular to the substrate.