Printed electronics

Patent metadata

Field	Value
Publication number	US-11161996-B2
Application number	US-201716345089-A
Country	US
Kind code	B2
Filing date	Oct 25, 2017
Priority date	Oct 25, 2016
Publication date	Nov 2, 2021
Grant date	Nov 2, 2021

Abstract

The present invention relates to an electronic device comprising a printed substrate comprising a trace of molecular ink thereon, the molecular ink being sintered to form a conductive metal trace forming the electronic device, wherein the molecular ink is chosen from a) a flake-less printable composition of 30-60 wt % of a C8-C12 silver carboxylate, 0.1-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition; or b) a flake-less printable composition of 5-75 wt % of bis(2-ethyl-1-hexylamine) copper (II) formate, bis(octylamine) copper (II) formate or tris(octylamine) copper (II) formate, 0.25-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition.

First claim

The invention claimed is:

1. An electronic device comprising a printed substrate comprising a trace of molecular ink thereon, the molecular ink being sintered to form a conductive metal trace forming the electronic device, wherein the molecular ink is chosen from:
a) a flake-less printable composition of 30-60 wt % of a C 8 -C 12 silver carboxylate, 0.1-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition; or
b) a flake-less printable composition of 5-75 wt % of bis(2-ethyl-1-hexylamine) copper (II) formate, bis(octylamine) copper (II) formate or tris(octylamine) copper (II) formate, 0.25-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition,
wherein the molecular ink is stretchable and thermoformable, and
wherein the molecular ink is printed as an in-mold electronic device.

2. The electronic device of claim 1 , wherein the electronic device comprises an inductor.

3. The electronic device of claim 1 , wherein the electronic device comprises a capacitor.

4. The electronic device of claim 1 , wherein the electronic device is printed as a solar cell.

5. The electronic device of claim 1 , wherein the electronic device is printed as a transparent electrode.

6. The electronic device of claim 1 , wherein the electronic device is printed as an electroluminescent lamp.

7. The electronic device of claim 1 , wherein the electronic device is printed as a wearable electronic device.

8. The electronic device of claim 1 , wherein the electronic device is printed as one of a physicochemical and an electromechanical sensor.

9. The electronic device of claim 1 , wherein the electronic device is printed as an in-mold resistive electrical circuit.

10. The electronic device of claim 1 , wherein the electronic device is installed on a portion of an aircraft.

11. The electronic device of claim 1 , wherein the electronic device is installed on a wing of an aircraft to heat the wing.

12. The electronic device of claim 1 , wherein the trace of molecular ink is stretchable and thermoformable.

13. The electronic device of claim 1 , wherein the molecular ink is sintered to form the conductive metal trace with the conductive metal trace forming a part of the in-mold electronic device.

14. A heater comprising an electronic device comprising a printed substrate with a trace of molecular ink thereon, the molecular ink being sintered to form a conductive metal trace forming the electronic device, wherein the molecular ink is chosen from:
a) a flake-less printable composition of 30-60 wt % of a C 8 -C 12 silver carboxylate, 0.1-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition; or
b) a flake-less printable composition of 5-75 wt % of bis(2-ethyl-1-hexylamine) copper (II) formate, bis(octylamine) copper (II) formate or tris(octylamine) copper (II) formate, 0.25-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition,
wherein the trace of molecular ink is stretchable and thermoformable, and
wherein the molecular ink is printed as an in-mold electronic device.

15. The heater of claim 14 , wherein the molecular ink is sintered to form the conductive metal trace with the conductive metal trace forming a part of the in-mold electronic device.

16. A touch interface comprising a printed substrate comprising a trace of molecular ink thereon, the molecular ink being sintered to form a conductive metal trace forming a transparent conductive film, wherein the molecular ink is chosen from:
a) a flake-less printable composition of 30-60 wt % of a C 8 -C 12 silver carboxylate, 0.1-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition; or
b) a flake-less printable composition of 5-75 wt % of bis(2-ethyl-1-hexylamine) copper (II) formate, bis(octylamine) copper (II) formate or tris(octylamine) copper (II) formate, 0.25-10 wt % of a polymeric binder and balance of at least one organic solvent, all weights based on total weight of the composition,
wherein the trace of molecular ink is stretchable, thermoformable, and is able to undergo elongation greater than 50% without significant decrease in electric performance, and
wherein the molecular ink is printed as an in-mold electronic device.

17. The touch interface of claim 16 , further comprising printed capacitive or resistive elements.

18. The touch interface of claim 16 , further comprising a capacitive micro-wire, wherein the capacitive micro-wire comprises a grid or pattern of printed silver electrodes and the substrate is flexible.

19. The touch interface of claim 16 , wherein the molecular ink is sintered to form the conductive metal trace with the conductive metal trace forming a part of the in-mold electronic device.

Assignees

• Ggi Int
• Nat Res Council Canada
• Her Majesty The Queen In Right Of Canada
• E2Ip Tech Inc

Inventors

• Liu Xiangyang
• Mozenson Olga
• Deore Bhavana
• Paquet Chantal
• Kell Arnold
• Malenfant Patrick
• Ferrigno Julie
• Ferrand Olivier
• Hu Jian Xiong
• Lafreniere Sylvie
• Chaharmir Reza
• Ethier Jonathan
• Hettak Khelifa
• Shaker Jafar
• Momciu Adrian

Classifications

• H10W70/688

  Flexible insulating substrates · CPC title

• H10W70/666

  Organic materials or pastes · CPC title

• H10F77/244

  made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers · CPC title

• H05K1/16

  incorporating printed electric components, e.g. printed resistors, capacitors or inductors · CPC title

• C09D11/52 Primary

  Electrically conductive inks · CPC title