Touch panel
A flexible touch panel is provided. Both reduction in thickness and high sensitivity of a touch panel are achieved. The touch panel includes a first flexible substrate, a first insulating layer over the first substrate, a transistor and a light-emitting element over the first insulating layer, a color filter over the light-emitting element, a pair of sensor electrodes over the color filter, a second insulating layer over the sensor electrodes, a second flexible substrate over the second insulating layer, and a protective layer over the second substrate. A first bonding layer is between the light-emitting element and the color filter. The thickness of the first substrate and the second substrate is each 1 μm to 200 μm inclusive. The first bonding layer includes a region with a thickness of 50 nm to 10 μm inclusive.
1. A touch panel comprising:
a display portion over a resin layer;
a first adhesive layer over the display portion;
a touch sensor over the first adhesive layer;
a second adhesive layer over the touch sensor;
a first FPC electrically connected to the display portion;
an IC mounted on the first FPC, the IC functioning as a signal line driver circuit;
a second FPC electrically connected to the touch sensor;
a third FPC electrically connected to the touch sensor;
a conductive layer over the resin layer, the conductive layer comprising a depression portion; and
a conductive particle over and in contact with the conductive layer,
wherein the display portion comprises:
a first insulating layer over the resin layer;
a transistor over the first insulating layer;
a second insulating layer over the transistor; and
a light-emitting element over the second insulating layer,
wherein the touch sensor comprises:
a first sensor electrode over the first adhesive layer;
a third insulating layer over the first sensor electrode; and
a second sensor electrode over the third insulating layer, and
wherein the conductive particle is positioned inside the depression portion of the conductive layer.
2. The touch panel according to claim 1 , wherein the transistor comprises a semiconductor layer including an oxide semiconductor.
3. The touch panel according to claim 1 , wherein the transistor comprises a semiconductor layer including polycrystalline silicon.
4. The touch panel according to claim 1 , wherein, when seen from above, the first FPC faces the second FPC with the display portion and the touch sensor therebetween.
5. The touch panel according to claim 1 , wherein the resin layer is a third adhesive layer.
6. A touch panel comprising:
a display portion over a resin layer;
a first adhesive layer over the display portion;
a touch sensor over the first adhesive layer;
a second adhesive layer over the touch sensor;
a first FPC electrically connected to the display portion;
an IC mounted on the first FPC, the IC functioning as a signal line driver circuit;
a second FPC electrically connected to the touch sensor;
a conductive layer over the resin layer, the conductive layer comprising a depression portion; and
a conductive particle over and in contact with the conductive layer,
wherein the display portion comprises:
a first insulating layer over the resin layer;
a transistor over the first insulating layer;
a second insulating layer over the transistor; and
a light-emitting element over the second insulating layer,
wherein the touch sensor comprises:
a first sensor electrode over the first adhesive layer;
a third insulating layer over the first sensor electrode; and
a second sensor electrode over the third insulating layer, and
wherein the conductive particle is positioned inside the depression portion of the conductive layer.
7. The touch panel according to claim 6 , wherein the transistor comprises a semiconductor layer including an oxide semiconductor.
8. The touch panel according to claim 6 , wherein the transistor comprises a semiconductor layer including polycrystalline silicon.
9. The touch panel according to claim 6 , wherein, when seen from above, the first FPC faces the second FPC with the display portion and the touch sensor therebetween.
10. The touch panel according to claim 6 , wherein the resin layer is a third adhesive layer.