TRANSPARENT CONDUCTIVE MATERIALS AND COATINGS, METHODS OF PRODUCTION AND USES THEREOF

• US 20080292979A1
• Filed: 05/22/2007
• Published: 11/27/2008
• Est. Priority Date: 05/22/2007
• Status: Abandoned Application

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Smith, Peter, Ding, Zhe, Guiheen, James, Palmer, Ben, Huang, HongMin
• Application Number:
  US11/751,977
• Publication Number:
  US 20080292979A1
• Time in Patent Office: Days
• US Class Current: 430/56
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: G02F 1/13439 characterised by their electrical, optical, physical properties; materials therefor; method of making
• CPC Class Codes: H01B 1/02 mainly consisting of metals or alloys
• CPC Class Codes: H01B 1/04 mainly consisting of carbon-silicon compounds, carbon or silicon
• CPC Class Codes: H01B 1/22 the conductive material comprising metals or alloys
• CPC Class Codes: H01B 1/24 the conductive material comprising carbon-silicon compounds, carbon or silicon
• CPC Class Codes: H05K 1/097 Inks comprising nanoparticles and specially adapted for being sintered at low temperature H05K1/095 takes precedence
• CPC Class Codes: H05K 2201/0108 Transparent
• CPC Class Codes: H05K 2201/026 Nanotubes or nanowires
• CPC Class Codes: H05K 2201/0317 Thin film conductor layer; Thin film passive component
• CPC Class Codes: H05K 2201/0329 Intrinsically conductive polymer [ICP]; Semiconductive polymer
• CPC Class Codes: H05K 3/0023 by exposure and development of a photosensitive insulating layer
• CPC Class Codes: H05K 3/467 Adding a circuit layer by thin film methods H05K3/4647 takes precedence

Abstract

Transparent conductive materials, articles and films are described herein a) that are easily and efficiently produced, b) can be produced prior to application or in situ, c) are easily applied to surfaces and substrates or formed into articles, d) can be produced and used with materials and methods that are generally accepted by the flat panel display (FPD) industry, along with other industries that produce and utilize microelectronics, e) can be tailored to be photoimageable and patternable using accepted photolithography techniques, f) have superior optical properties and have superior film forming properties, including better adhesion to other adjacent layers, the ability to be laid down in very or ultra thin layers and the ability to remain transparent when laid down as thicker layers. Methods of producing and using these transparent conductive materials are also disclosed.

Claims

1. A transparent conductive material, comprising:

at least one conductive component, and

at least one photoimageable or photosensitive material, wherein the at least one conductive component and the at least one photoimageable or photosensitive material are coupled to form the transparent conductive material.

2. The transparent conductive material of claim 1, wherein the transparent material has a percent transmittance of at least 50%.

3. The transparent conductive material of claim 2, wherein the transparent material has a percent transmittance of at least 70%.

4. The transparent conductive material of claim 3, wherein the transparent material has a percent transmittance of at least 90%.

5. The transparent conductive material of claim 1, wherein the at least one conductive component comprises discrete conductive structures, conductive nanowires, conductive nanoparticles, conductive nanotubes, conducting polymers and composites, or combinations thereof.

6. The transparent conductive material of claim 1, wherein the at least one conductive component comprises a metal, a metal oxide, a polymer, an alloy, a composite, carbon or combinations thereof.

7. The transparent conductive material of claim 5, wherein the at least one conductive component comprises conductive nanotubes.

8. The transparent conductive material of claim 7, wherein the conductive nanotubes comprise carbon.

9. The transparent conductive material of claim 5, wherein the at least one conductive component comprises conductive nanowires.

10. The transparent conductive material of claim 9, wherein the conductive nanowires comprise silver.

11. The transparent conductive material of claim 1, wherein the at least one photoimageable or photosensitive material comprises diazonaphthoquinone (DNQ), photoacid generators (PAG), photobase generators (PBG), polymeric or monomeric-based photoimageable materials or combinations thereof.

12. The transparent conductive material of claim 1, further comprising a hydroxide constituent.

13. The transparent conductive material of claim 12, wherein the hydroxide constituent comprises sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

14. The transparent conductive material of claim 1, wherein the at least one conductive component and the at least one photoimageable or photosensitive material are coupled to form the transparent conductive material by grafting or attaching the at least one photoimageable or photosensitive material to the at least one conductive component.

15. The transparent conductive material of claim 1, wherein the at least one conductive component and the at least one photoimageable or photosensitive material are coupled to form the transparent conductive material by blending the at least one photoimageable or photosensitive material with the at least one conductive component.

16. The transparent conductive material of claim 1, wherein the at least one conductive component and the at least one photoimageable or photosensitive material are coupled to form the transparent conductive material by layering the at least one photoimageable or photosensitive material on top of at least part of the at least one conductive component.

17. The transparent conductive material of claim 1, wherein the at least one conductive component and the at least one photoimageable or photosensitive material are coupled to form the transparent conductive material by layering the at least one photoimageable or photosensitive material under at least part of the at least one conductive component.

18. A patterned transparent conductive coating comprising the transparent conductive material of claim 1.

39. A method of forming a patterned transparent conductive coating, comprising:

providing and applying a layer comprising the material of claim 1, and

exposing and developing the layer to form a patterned transparent conductive coating.

40. The method of claim 39, wherein the method further comprises treating the patterned transparent conductive coating with a finishing step.

41. The method of claim 40, wherein the finishing step comprises an alkaline treatment.

42. The method of claim 41, wherein the alkaline treatment includes treatment with sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

45. A conductive element or structure comprising the patterned transparent conductive material of claim 18.

19. A transparent conductive material, comprising a plurality of conductive nanowires and an alkaline constituent.

20. The transparent conductive material of claim 19, wherein the transparent material has a percent transmittance of at least 90%.

21. The transparent conductive material of claim 19, wherein the conductive material comprises at least one additional conductive component that comprises discrete conductive structures, conductive nanoparticles, conductive nanotubes, conducting polymers and composites, or combinations thereof.

22. The transparent conductive material of claim 19, wherein the plurality of conductive nanowires comprises a metal, a metal oxide, a polymer, an alloy, a composite, carbon or combinations thereof.

23. The transparent conductive material of claim 22, wherein the plurality of conductive nanowires comprise silver.

24. The transparent conductive material of claim 19, wherein the conductive material further comprises a plurality of conductive nanotubes.

25. The transparent conductive material of claim 19, wherein the alkaline component comprise a hydroxide constituent.

26. The transparent conductive material of claim 25, wherein the hydroxide constituent comprises sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

31. A method of forming a patterned transparent conductive coating, comprising:

providing and applying a layer comprising at least one photosensitive or photoimageable composition to a surface;

providing and applying the transparent conductive material of one of claims 19 or 27 to the previously applied layer, and

exposing and developing the layered material to form a patterned transparent conductive coating.

32. The method of claim 31, wherein the method further comprises treating the patterned transparent conductive coating with a finishing step.

33. The method of claim 32, wherein the finishing step comprises an alkaline treatment.

34. The method of claim 33, wherein the alkaline treatment includes treatment with sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

35. A method of forming a patterned transparent conductive coating, comprising:

providing and applying the transparent conductive material of one of claims 19 or 27 to a surface;

providing and applying a layer comprising at least one photosensitive or photoimageable composition to the previously applied layer, and

exposing and developing the layered material to form a patterned transparent conductive coating.

36. The method of claim 35, wherein the method further comprises treating the patterned transparent conductive coating with a finishing step.

37. The method of claim 36, wherein the finishing step comprises an alkaline treatment.

38. The method of claim 37, wherein the alkaline treatment includes treatment with sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

43. A conductive element or structure comprising the transparent conductive material of claim 19.

27. A transparent conductive material comprising a conductive material, wherein the conductive material comprises at least two of the following components:

discrete conductive structures, conductive nanowires, conductive nanoparticles, conductive nanotubes, conducting polymers and composites, or combinations thereof.

28. The transparent conductive material of claim 27, wherein the conductive nanowires comprises a metal, a metal oxide, a polymer, an alloy, a composite, carbon or combinations thereof.

29. The transparent conductive material of claim 27, further comprising a hydroxide constituent.

30. The transparent conductive material of claim 29, wherein the hydroxide constituent comprises sodium hydroxide, lithium hydroxide, potassium hydroxide, ammonium hydroxide, calcium hydroxide, magnesium hydroxide or a combination thereof.

44. A conductive element or structure made from the transparent conductive material of claim 27.