Touch sensor panel and optical laminate
A touch sensor panel includes a base layer, a touch sensor layer, and a first insulating layer in this order. The touch sensor layer includes a patterned conductive layer. A water vapor transmission rate Pc of the base layer at a temperature of 40° C. and a humidity of 90% RH is not higher than 900 g/(m 2 •24 hr). A water vapor transmission rate Pa of the first insulating layer at a temperature of 40° C. and a humidity of 90% RH is not higher than 900 g/(m 2 •24 hr).
1. A touch sensor panel comprising in this order:
a base layer,
a touch sensor layer, and
a first insulating layer,
wherein the first insulating layer contains no inorganic particles or contains inorganic particles in an amount of less than 10% by weight of a total weight of the first insulating layer,
the touch sensor layer including a patterned conductive layer,
a water vapor transmission rate Pc of the base layer at a temperature of 40° C. and a humidity of 90% RH being not higher than 900 g/(m 2 •24 hr),
a water vapor transmission rate Pa of the first insulating layer at a temperature of 40° C. and a humidity of 90% RH being not higher than 900 g/(m 2 •24 hr), and
wherein
relation in an expression (1)below is satified:
Tc /( Dc+Da )>0.03 (1)
where Dc [μm] represents a thickness of the base layer, Tc [mJ/mm 3 ] represents toughness of the base layer, and Da [μm] represents a thickness of the first insulating layer.
2. The touch sensor panel according to claim 1 , wherein
the patterned conductive layer includes a first conductive layer and a second conductive layer sequentially from a side of the base layer, and
the touch sensor layer further includes a second insulating layer between the first conductive layer and the second conductive layer.
3. The touch sensor panel according to claim 1 , wherein
the base layer includes a support layer, a first bonding layer, and a substrate layer sequentially from a side of the touch sensor layer.
4. The touch sensor panel according to claim 3 , wherein
the support layer includes a separation layer.
5. The touch sensor panel according to claim 4 , wherein
the support layer further includes a protective layer on a touch sensor layer side of the separation layer.
6. The touch sensor panel according to claim 4 , wherein
the support layer further includes a refraction index adjustment layer.
7. An optical laminate comprising:
a front plate;
a circular polarization plate; and
the touch sensor panel according to claim 1 .
8. The optical laminate according to claim 7 , comprising in this order:
the front plate;
a second bonding layer;
the circular polarization plate;
a third bonding layer, and
the touch sensor panel.