Providing resistance portions along touch panel electrodes, for adjusting electric potential distribution
First Claim
1. A touch panel comprising:
- a first electrode substrate including a first substrate and a first conductive layer formed on the first substrate;
a second electrode substrate including a second substrate and a second conductive layer formed on the second substrate to face the first conductive layer;
a first electrode and a second electrode provided to be parallel to each other directly on the first conductive layer for causing an electric potential distribution;
a third electrode and a fourth electrode provided to be parallel to each other directly on the first conductive layer for causing an electric potential distribution,the first electrode and the second electrode being connected by the third electrode and the fourth electrode such that the first electrode, the third electrode, the second electrode and the fourth electrode form a continuous rectangular ring shape surrounding a touching area of the touch panel; and
a first resistance portion and a second resistance portion provided directly on the first conductive layer along the first electrode and the second electrode, respectively,the first resistance portion including a plurality of resistance elements provided from one edge to another edge of the first electrode,the first resistance portion being electrically connected to the first electrode with no connection between each of the resistance elements of the first resistance portion and the first electrode other than the first conductive layer,the second resistance portion including a plurality of resistance elements provided from one edge to another edge of the second electrode,the second resistance portion being electrically connected to the second electrode with no connection between each of the resistance elements of the second resistance portion and the second electrode other than the first conductive layer,a material composing the first resistance portion and the second resistance portion having a lower resistance value than a material composing the first conductive layer, andthe first resistance portion and the second resistance portion being configured such that resistance values of the first resistance portion and the second resistance portion become lower at the center than at the outer sides in the longitudinal direction of the first electrode and the second electrode, respectively,wherein the material composing the first resistance portion and the second resistance portion has a lower resistance value than a material composing the first electrode and the second electrode.
1 Assignment
0 Petitions
Accused Products
Abstract
A touch panel includes first and second electrode substrates including first and second conductive layers; a first electrode and a second electrode provided on the first conductive layer for causing an electric potential distribution; a third electrode and a fourth electrode provided on the first conductive layer for causing an electric potential distribution such that the first electrode and the second electrode are electrically connected by the third electrode and the fourth electrode; and a resistance adjusting member including a first resistance portion and a second resistance portion electrically connected to the first electrode and the second electrode in parallel, respectively, and configured such that resistance values of the first resistance portion and the second resistance portion become lower at the center than at the outer sides in the longitudinal direction of the first electrode and the second electrode, respectively.
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Citations
9 Claims
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1. A touch panel comprising:
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a first electrode substrate including a first substrate and a first conductive layer formed on the first substrate; a second electrode substrate including a second substrate and a second conductive layer formed on the second substrate to face the first conductive layer; a first electrode and a second electrode provided to be parallel to each other directly on the first conductive layer for causing an electric potential distribution; a third electrode and a fourth electrode provided to be parallel to each other directly on the first conductive layer for causing an electric potential distribution, the first electrode and the second electrode being connected by the third electrode and the fourth electrode such that the first electrode, the third electrode, the second electrode and the fourth electrode form a continuous rectangular ring shape surrounding a touching area of the touch panel; and a first resistance portion and a second resistance portion provided directly on the first conductive layer along the first electrode and the second electrode, respectively, the first resistance portion including a plurality of resistance elements provided from one edge to another edge of the first electrode, the first resistance portion being electrically connected to the first electrode with no connection between each of the resistance elements of the first resistance portion and the first electrode other than the first conductive layer, the second resistance portion including a plurality of resistance elements provided from one edge to another edge of the second electrode, the second resistance portion being electrically connected to the second electrode with no connection between each of the resistance elements of the second resistance portion and the second electrode other than the first conductive layer, a material composing the first resistance portion and the second resistance portion having a lower resistance value than a material composing the first conductive layer, and the first resistance portion and the second resistance portion being configured such that resistance values of the first resistance portion and the second resistance portion become lower at the center than at the outer sides in the longitudinal direction of the first electrode and the second electrode, respectively, wherein the material composing the first resistance portion and the second resistance portion has a lower resistance value than a material composing the first electrode and the second electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A touch panel comprising:
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a first electrode substrate including a first substrate and a first conductive layer formed on the first substrate; a second electrode substrate including a second substrate and a second conductive layer formed on the second substrate to face the first conductive layer; a first electrode and a second electrode provided to be parallel to each other directly on the first conductive layer for causing an electric potential distribution, the first electrode and the second electrode being arranged such that the first electrode and the second electrode are provided at ends of a touching area of the touch panel; and a first resistance portion and a second resistance portion provided directly on the first conductive layer along the first electrode and the second electrode, respectively, the first resistance portion including a plurality of resistance elements provided from one edge to another edge of the first electrode, the first resistance portion being electrically connected to the first electrode with no connection between each of the resistance elements of the first resistance portion and the first electrode other than the first conductive layer, the second resistance portion including a plurality of resistance elements provided from one edge to another edge of the second electrode, the second resistance portion being electrically connected to the second electrode with no connection between each of the resistance elements of the second resistance portion and the second electrode other than the first conductive layer, a material composing the first resistance portion and the second resistance portion having a lower resistance value than a material composing the first conductive layer, and the first resistance portion and the second resistance portion being configured such that resistance values of the first resistance portion and the second resistance portion become lower at the center than at the outer sides in the longitudinal direction of the first electrode and the second electrode, respectively, wherein the material composing the first resistance portion and the second resistance portion has a lower resistance value than a material composing the first electrode and the second electrode.
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Specification