A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes and a second portion formed on the sane layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.
1. A touch panel, comprising:
a substrate;
a plurality of first electrodes on the substrate, extending in a first direction;
a plurality of second electrodes on the substrate extending in a second direction so as to three-dimensionally intersect the respective plurality of first electrodes at a plurality of intersecting portions;
a plurality of first wirings and second wirings provided in a peripheral area of the substrate; and
a protective film above the plurality of first electrodes and the plurality of second electrodes,
wherein
each of the plurality of first wirings is electrically connected to a corresponding one of the first electrodes with a first connection portion,
each of the plurality of second wirings is electrically connected to a corresponding one of the second electrodes with a second connection portion,
the first connection portion has a first length in the second direction,
the second connection portion has a second length in the first direction,
each of the intersecting portions of the first electrodes has a first width in the second direction which is shorter than the first length,
each of the intersecting portions of the second electrodes has a second width in the first direction which is shorter than the second length,
each of the plurality of second wirings has a terminal portion which is connected to the second connection portion continuously,
the terminal portion of the longest wiring of the plurality of the second wirings extends in the second direction and has a third width in the first direction which is shorter than the second length, and
the terminal portion of each of the plurality of second wirings is covered with the protective film.
2. The touch panel according to claim 1 , wherein
the terminal portion of the shortest wiring of the plurality of the second wirings extends in the first direction.
3. The touch panel according to claim 1 , wherein
the plurality of first and second wirings are made of a metal material.
4. The touch panel according to claim 1 , wherein
the plurality of second electrodes are formed of electrically conductive transparent materials.
5. A touch panel, comprising:
a substrate;
a plurality of first electrodes on the substrate, extending in a first direction;
a plurality of second electrodes on the substrate extending in a second direction so as to three-dimensionally intersect the respective plurality of first electrodes at a plurality of intersecting portions;
a plurality of first wirings electrically connected to respective electrodes of the plurality of first electrodes in a peripheral area of the substrate with a plurality of first connection portions;
a plurality of second wirings electrically connected to respective electrodes of the plurality of second electrodes in a peripheral area of the substrate with a plurality of second connection portions; and
a protective film above the plurality of first electrodes and the plurality of second electrodes, wherein
each of the plurality of first connection portions has a first length in the second direction,
each of the plurality of second connection portions has a second length in the first direction,
each of the plurality of intersecting portions of the first electrode has a first width in the second direction,
each of the plurality of intersecting portions of the second electrode has a second width in the first direction,
the first length is greater than the first width,
the second length is greater than the second width,
each of the plurality of second wirings has a terminal portion which is connected to a corresponding one of the second connection portions continuously,
the terminal portion of the longest wiring of the plurality of the second wirings extends in the second direction and has a third width in the first direction which is shorter than the second length, and
the terminal portion of each of the plurality of second wirings is covered with the protective film.
6. The touch panel according to claim 5 , wherein
the terminal portion of the longest wiring of the plurality of the second wirings extends in the second direction, and
the terminal portion of the shortest wiring of the plurality of the second wirings extends in the first direction.
7. The touch panel according to claim 5 , wherein
the plurality of first and second wirings are made of a metal material.
8. The touch panel according to claim 5 , wherein
the plurality of second electrodes are formed of electrically conductive transparent materials.