Low reflection, high transmission, touch-panel membrane

In a device where data is entered by pressure activation on the surface of a display screen having a membrane electrode, the improvement wherein said membrane electrode comprises at least one flexible, transparent electrode wherein said flexible transparent electrode comprises:

• (a) a sheet of flexible plastic substrate having first and second sides;
• (b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate;
• (c) an anti-reflective stack adjacent to said first or second hardcoat, said anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• and
• (d) a conductive outer layer adjacent to said anti-reflective stack.

A low reflective, transparent electrode comprising:

• a) a sheet of flexible plastic substrate having first and second sides;
• b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate;
• c) a first anti-reflective stack adjacent to said first hardcoat, said first anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• d) a second anti-reflective stack adjacent to said second hardcoat, said second anti-reflective stack comprising at least one pair of layers of materials of different refractive index, said first or said second anti-reflective stack being nonconductive;
• and
• e) a conductive outer layer adjacent to said first anti-reflective stack or said second anti-reflective stack.

In a device where data is entered by pressure activation on the surface of a display screen having a membrane electrode, the improvement wherein said membrane electrode comprises at least one flexible transparent electrode wherein said flexible transparent electrode comprises:

• a) a sheet of flexible plastic substrate having first and second sides;
• b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate;
• c) a first anti-reflective stack adjacent to said first hardcoat, said first anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• d) a second anti-reflective stack adjacent to said second hardcoat, said second anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• and
• e) a conductive outer layer adjacent to said first anti-reflective stack or said second anti-reflective stack.

A low reflective transparent electrode comprising:

• a) a sheet of flexible polymeric substrate;
• b) a hardcoat adjacent to one side of said polymeric substrate;
• c) a first anti-reflective stack adjacent to said hardcoat and a second anti-reflective stack adjacent to said substrate, said first or second anti-reflective stack being nonconductive and said first and second anti-reflective stacks each comprising at least one pair of layers of materials having different refractive index;
• and
• d) a conductive outer layer on said first anti-reflective stack or on said second anti-reflective stack.

In a device where data is entered by pressure activation on the surface of a display screen having a membrane electrode, the improvement wherein said membrane electrode comprises at least one flexible transparent electrode wherein said flexible transparent electrode comprises;

• a) a sheet of flexible polymeric substrate;
• b) a hardcoat adjacent to one side of said polymeric substrate;
• c) a first anti-reflective stack adjacent to said hardcoat and a second anti-reflective stack adjacent to said substrate, said first and second anti-reflective stacks each comprising at least one pair of layers of materials having different refractive index;
• and
• d) a conductive outer layer on said first anti-reflective stack or on said second anti-reflective stack.

A low reflective, transparent electrode comprising:

• (a) a sheet of flexible plastic substrate having first and second sides;
• (b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate, said first hardcoat being a clear hardcoat and said second hardcoat being an anti-glare hardcoat;
• (c) an anti-reflective stack adjacent to said first or second hardcoat, said anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• and
• (d) a conductive outer layer adjacent to said anti-reflective stack.

A low reflective, transparent electrode comprising:

• a) a sheet of flexible plastic substrate having first and second sides;
• b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate, said first and second hardcoats being anti-glare hardcoats;
• c) a first anti-reflective stack adjacent to said first hardcoat, said first anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• d) a second anti-reflective stack adjacent to said second hardcoat, said second anti-reflective stack comprising at least one pair of layers ,of materials of different refractive index, and
• e) a conductive outer layer adjacent to said first anti-reflective stack or said second anti-reflective stack.

A low reflective, transparent electrode comprising:

• a) a sheet of flexible plastic substrate having first and second sides;
• b) a first hardcoat adjacent to said first side of said substrate and a second hardcoat adjacent to said second side of said substrate, said first hardcoat being a clear hardcoat and said second hardcoat being an anti-glare hardcoat;
• c) a first anti-reflective stack adjacent to said first hardcoat, said first anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• d) a second anti-reflective stack adjacent to said second hardcoat, said second anti-reflective stack comprising at least one pair of layers of materials of different refractive index;
• and
• e) a conductive outer layer adjacent to said first anti-reflective stack or said second anti-reflective stack.