Electric circuit including a flexible conductor
OwnerMarco APOSTOLO, Andrea Vittorio ORIANI +1inventors
InventorsMarco APOSTOLO, Andrea Vittorio ORIANI, Stefano MAURI
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Abstract
The invention pertains to an electric circuit comprising a flexible conductor made from a metallized elastomer possessing electrical conductivity and ability to retain the same under strain/bending, to a method of conducting electrical current through said flexible conductor, to the use of the same as electro-conductive part in flexible displays, wearable electronics, conformable sensors and actuators, and to devices comprising the same.
Claims18
An electric circuit (E) including at least one voltage generator and at least one flexible conductor (F) made from an elastomeric composition (C) comprising at least one elastomer, said conductor (F) having at least one surface (S) comprising:
- nitrogen-containing groups (N) on at least a portion of said surface (S);
- and
- at least one layer (L1) adhered to at least said portion of said surface (S) having a thickness of at least 50 nm and of at most 1500 nm, and being made from at least one material selected from the group consisting of (i) metal compounds (M) in zero oxidation state selected from the group consisting of metals possessing electrical conductivity of at least 107 Siemens/m and (ii) metal oxide compounds (MO) selected from doped zinc oxide, doped copper/chromium oxide and doped indium/tin oxides.
A method of conducting electrical current through at least one flexible conductor (F) made from an elastomeric composition (C) comprising at least one elastomer, said conductor (F) having at least one surface (S) comprising:
- nitrogen-containing groups (N) on at least a portion of said surface (S);
- and
- at least one layer (L1) adhered to at least said portion of said surface (S) having a thickness of at least 50 nm and of at most 1500 nm, and being made from at least one material selected from the group consisting of (i) metal compounds (M) in zero oxidation state selected from the group consisting of metals possessing electrical conductivity of at least 107 Siemens/m and (ii) metal oxide compounds (MO) selected from doped zinc oxide, doped copper/chromium oxide and doped indium/tin oxides,
- in an electrical circuit (E) including said conductor (F) and at least one voltage generator, said method comprising submitting said conductor (F) to at least one deformation.
A method of making an electric device, the method comprising assembling at least one flexible conductor (F) made from an elastomeric composition (C) comprising at least one elastomer, said article having at least one surface (S) comprising:
- nitrogen-containing groups (N) on at least a portion of said surface (S);
- and
- at least one layer (L1) adhered to at least said portion of said surface (S) having a thickness of at least 50 nm and of at most 1500 nm, and being made from at least one material selected from the group consisting of (i) metal compounds (M) in zero oxidation state selected from the group consisting of metals possessing electrical conductivity of at least 107 Siemens/m and (ii) metal oxide compounds (MO) selected from doped zinc oxide, doped copper/chromium oxide and doped indium/tin oxides in an electric circuit (E) comprising at least one voltage generator.
An electric device, comprising at least one electric circuit (E) including at least one flexible conductor (F) made from an elastomeric composition (C) comprising at least one elastomer, said article having at least one surface (S) comprising:
- nitrogen-containing groups (N) on at least a portion of said surface (S);
- and
- at least one layer (L1) adhered to at least said portion of said surface (S) having a thickness of at least 50 nm and of at most 1500 nm, and being made from at least one material selected from the group consisting of (i) metal compounds (M) in zero oxidation state selected from the group consisting of metals possessing electrical conductivity of at least 107 Siemens/m and (ii) metal oxide compounds (MO) selected from doped zinc oxide, doped copper/chromium oxide and doped indium/tin oxides;
- and at least one voltage generator.
Dependencies are inferred from the claim text.