Legal claims defining the scope of protection, as filed with the USPTO.
1. A transparent electrode sheet comprising a transparent support having thereon a patterned electrode, wherein the electrode is made from a metal thin wire having a wire width of not more than 10 μm, and an absolute value of a difference between a reflection chromaticity b 1 * of a surface of the electrode at far side from the transparent support and a reflection chromaticity b 2 * of a surface of the electrode at near side to the transparent support is not more than 2.
2. The transparent electrode sheet as claimed in claim 1 , wherein the wire width of the metal thin wire is 2 μm or more and not more than 6 μm.
3. The transparent electrode sheet as claimed in claim 1 , wherein the absolute value of a difference between the reflection chromaticity b 1 * and the reflection chromaticity b 2 * is not more than 1.5.
4. The transparent electrode sheet as claimed in claim 1 , wherein the absolute value of a difference between the reflection chromaticity b 1 * and the reflection chromaticity b 2 * is not more than 1.0.
5. The transparent electrode sheet as claimed in claim 1 , wherein the reflection chromaticity b 1 * is 0 or less.
6. The transparent electrode sheet as claimed in claim 1 , wherein the reflection chromaticity b 1 * and the reflection chromaticity b 2 * satisfy relations of −2.0<b 1 *≦0 and −1.0<b 2 *≦1.0.
7. The transparent electrode sheet as claimed in claim 1 , wherein the reflection chromaticity b 1 * and the reflection chromaticity b 2 * satisfy relations of −1.5<b 1 *≦−0.3 and −0.7<b 2 *≦0.5.
8. The transparent electrode sheet as claimed in claim 1 , wherein the reflection chromaticity b 1 * and the reflection chromaticity b 2 * satisfy relations of −1.0<b 1 *≦−0.5 and −0.5<b 2 *≦0.2.
9. The transparent electrode sheet as claimed in claim 1 , wherein a thickness of the metal thin wire constituting the electrode is 0.1 μm or more and not more than 1.5 μm.
10. The transparent electrode sheet as claimed in claim 1 , wherein a thickness of the metal thin wire constituting the electrode is 0.2 μm or more and not more than 0.8 μm.
11. The transparent electrode sheet as claimed in claim 1 , wherein the metal thin wire is formed by a metal material selected from gold, silver and copper.
12. The transparent electrode sheet as claimed in claim 1 , wherein the electrode is formed by a lattice made from the metal thin wire, and a length of one side of a unit lattice of the lattice is from 50 to 500 μm.
13. The transparent electrode sheet as claimed in claim 1 , wherein the electrode is formed by a lattice made from the metal thin wire, and a length of one side of a unit lattice of the lattice is from 150 to 300 μm.
14. The transparent electrode sheet as claimed in claim 1 , wherein the electrode patterned on the transparent support is a layer which is formed by exposing and developing at least one photosensitive layer containing a silver halide emulsion formed on the transparent support, and a volume ratio of silver to a binder contained in the photosensitive layer is 1.0 or more.
15. A capacitive touch panel obtained by using two sheets of the transparent electrode sheet as claimed in claim 1 and stacking the two sheets via an insulator such that electrode sides of the two electrode sheets face and oppose each other, wherein directions of conduction of the electrodes of the two electrode sheets are substantially orthogonal to each other.
16. A transparent electrode sheet comprising a transparent support having on both surfaces thereof a patterned electrode, wherein the electrode is made from a metal thin wire having a wire width of not more than 10 μm, and an absolute value of a difference between a reflection chromaticity b 1 * of a surface, at far side from the transparent support, of the electrode formed on one surface of the transparent support and a reflection chromaticity b 2 * of a surface, at near side to the transparent support, of the electrode formed on other surface of the transparent support is not more than 2.
17. The transparent electrode sheet as claimed in claim 16 , wherein the absolute value of a difference between the reflection chromaticity b 1 * and the reflection chromaticity b 2 * is not more than 1.5.
18. The transparent electrode sheet as claimed in claim 16 , wherein the absolute value of a difference between the reflection chromaticity b 1 * and the reflection chromaticity b 2 * is not more than 1.0.
19. The transparent electrode sheet as claimed in claim 16 , wherein the reflection chromaticity b 1 * and the reflection chromaticity b 2 * satisfy relations of −2.0<b 1 *≦0 and −1.0<b 2 *≦1.0.
20. The transparent electrode sheet as claimed in claim 16 wherein a thickness of the metal thin wire constituting the electrode is 0.1 μm or more and not more than 1.5 μm.
21. The transparent electrode sheet as claimed in claim 16 , wherein the metal thin wire is formed by a metal material selected from gold, silver and copper.
22. The transparent electrode sheet as claimed in claim 16 , wherein the electrode is formed by a lattice made from the metal thin wire, and a length of one side of a unit lattice of the lattice is from 50 to 500 μm.
23. A touch panel, which comprises the transparent electrode sheet as claimed in claim 16 .
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February 23, 2016
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