IP Library Granted Patent US 8,217,902
Granted Patent B2
US 8,217,902 · App. 11/842,747 · Granted Jul 10, 2012

Conductor pattern structure of capacitive touch panel

Assignee: TPK Touch Solutions Inc.
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Quick Facts
Patent No.
US 8,217,902
App. No.
11/842,747
Granted
Jul 10, 2012
Kind
B2
Abstract

Disclosed is a conductor pattern structure of a capacitive touch panel. First-axis conductor assemblies and second-axis conductor assemblies are formed on a surface of a substrate. Each first-axis conductor assembly includes a plurality of first-axis conductor cells that are interconnected by first-axis conduction lines. An insulation layer is formed on a surface of each first-axis conduction line. Each second-axis conductor assembly includes a plurality of second-axis conductor cells that are interconnected by second-axis conduction lines. Each second-axis conduction line extends across the insulation layer of the associated first-axis conduction line.

Claims (143)

1. A conductor pattern structure of a capacitive touch panel formed on a surface of a substrate, the conductor pattern structure comprising:

a plurality of first-axis conductor assemblies, each first-axis conductor assembly comprising a plurality of first-axis conductor cells arranged on the surface of the substrate along a first axis in a substantially equally-spaced manner, a disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

a plurality of first-axis conduction lines respectively connecting between adjacent ones of the first-axis conductor cells of each first-axis conductor assembly so that the first-axis conductor cells of each respective first-axis conductor assembly are electrically connected together;

a plurality of insulation layers, each insulation layer of the plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

a plurality of second-axis conductor assemblies, each second-axis conductor assembly comprising a plurality of second-axis conductor cells arranged on the surface of the substrate along a second axis in a substantially equally-spaced manner, each second-axis conductor cell being set in each disposition zone;

a plurality of second-axis conduction lines respectively connecting between adjacent ones of the second-axis conductor cells of each second-axis conductor assembly so that the second-axis conductor cells of each respective second-axis conductor assembly are electrically connected together, the second-axis conduction line being extended across a surface of the insulation layer of the respective first-axis conduction line,

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material.

2. The conductor pattern structure as claimed in claim 1 , wherein the first-axis conduction lines consist of a transparent conductive material.

3. The conductor pattern structure as claimed in claim 1 , wherein the second-axis conduction lines consist of a transparent conductive material.

4. The conductor pattern structure as claimed in claim 1 , wherein the insulation layer consists of a transparent insulation material.

5. The conductor pattern structure as claimed in claim 1 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

6. A conductor pattern structure of a capacitive touch panel formed on a surface of a substrate, the conductor pattern structure comprising:

at least two adjacent first-axis conductor cells; and

at least two adjacent second-axis conductor cells,

wherein the adjacent first-axis conductor cells are connected by a first-axis conduction line provided therebetween,

wherein an insulation layer is formed on a surface of the first-axis conduction line without encompassing the two adjacent first-axis conductor cells, and a second-axis conduction line extends across a surface of the insulation layer to connect between the adjacent second-axis conductor cells, and

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material.

7. The conductor pattern structure as claimed in claim 6 , wherein the first-axis conduction lines consist of a transparent conductive material.

8. The conductor pattern structure as claimed in claim 6 , wherein the second-axis conduction lines consist of a transparent conductive material.

9. The conductor pattern structure as claimed in claim 6 , wherein the insulation layer consists of a transparent insulation material.

10. The conductor pattern structure as claimed in claim 6 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

11. The conductor pattern structure as claimed in claim 1 further comprises a plurality of signal transmission lines formed on the surface of the substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

12. The conductor pattern structure as claimed in claim 11 , wherein the first-axis conduction lines consist of a transparent conductive material.

13. The conductor pattern structure as claimed in claim 11 , wherein the second-axis conduction lines consist of a transparent conductive material.

14. The conductor pattern structure as claimed in claim 11 , wherein the insulation layer consists of a transparent insulation material.

15. The conductor pattern structure as claimed in claim 11 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

16. The conductor pattern structure as claimed in claim 11 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

17. A conductor pattern structure of a capacitive touch panel formed on a surface of a substrate, the conductor pattern structure comprising:

a plurality of first-axis conductor assemblies, each first-axis conductor assembly comprising a plurality of first-axis conductor cells arranged on the surface of the substrate along a first axis in a substantially equally-spaced manner, a disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

a plurality of first-axis conduction lines respectively connecting between adjacent ones of the first-axis conductor cells of each first-axis conductor assembly so that the first-axis conductor cells of each respective first-axis conductor assembly are electrically connected together;

a plurality of insulation layers, each insulation layer of the plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

a plurality of second-axis conductor assemblies, each second-axis conductor assembly comprising a plurality of second-axis conductor cells arranged on the surface of the substrate along a second axis in a substantially equally-spaced manner, each second-axis conductor cell being set in each disposition zone;

a plurality of second-axis conduction lines respectively connecting between adjacent ones of the second-axis conductor cells of each second-axis conductor assembly so that the second-axis conductor cells of each respective second-axis conductor assembly are electrically connected together, the second-axis conduction line being extended across a surface of the insulation layer of the respective first-axis conduction line; and

a plurality of signal transmission lines formed on the surface of the substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly,

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material, and

wherein a capacitance between a first cell of the plurality of first-axis conductor cells and a second cell of the plurality of second-axis conductor cells is measured to detect a position of touch.

18. The conductor pattern structure as claimed in claim 17 , wherein the first-axis conduction lines consist of a transparent conductive material.

19. The conductor pattern structure as claimed in claim 17 , wherein the second-axis conduction lines consist of a transparent conductive material.

20. The conductor pattern structure as claimed in claim 17 , wherein the insulation layer consists of a transparent insulation material.

21. The conductor pattern structure as claimed in claim 17 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

22. The conductor pattern structure as claimed in claim 17 , wherein each second-axis conduction line terminates on the edge of each second-axis conductor cell to the adjacent second-axis conductor cells.

23. The conductor pattern structure as claimed in claim 17 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

24. The conductor pattern structure as claimed in claim 1 , wherein each second-axis conduction line terminates on the edge of each second-axis conductor cell to the adjacent second-axis conductor cells.

25. A conductor pattern structure of a capacitive touch panel formed on a surface of a substrate, the conductor pattern structure comprising:

a plurality of first-axis conductor assemblies, each first-axis conductor assembly comprising a plurality of first-axis conductor cells arranged on the surface of the substrate along a first axis in a substantially equally-spaced manner, a disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

a plurality of first-axis conduction lines respectively connecting between adjacent ones of the first-axis conductor cells of each first-axis conductor assembly so that the first-axis conductor cells of each respective first-axis conductor assembly are electrically connected together;

a plurality of insulation layers, each insulation layer of the plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

a plurality of second-axis conductor assemblies, each second-axis conductor assembly comprising a plurality of second-axis conductor cells arranged on the surface of the substrate along a second axis in a substantially equally-spaced manner, each second-axis conductor cell being set in each disposition zone; and

a plurality of second-axis conduction lines respectively connecting between adjacent ones of the second-axis conductor cells of each second-axis conductor assembly so that the second-axis conductor cells of each respective second-axis conductor assembly are electrically connected together, the second-axis conduction line being extended across a surface of the insulation layer of the respective first-axis conduction line,

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material, and

wherein a capacitance between a first cell of the plurality of first-axis conductor cells and a second cell of the plurality of second-axis conductor cells is measured to detect a position of touch.

26. The conductor pattern structure as claimed in claim 25 , wherein the first-axis conduction lines consist of a transparent conductive material.

27. The conductor pattern structure as claimed in claim 25 , wherein the second-axis conduction lines consist of a transparent conductive material.

28. The conductor pattern structure as claimed in claim 25 , wherein the insulation layer consists of a transparent insulation material.

29. The conductor pattern structure as claimed in claim 25 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

30. The conductor pattern structure as claimed in claim 25 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

31. The conductor pattern structure as claimed in claim 1 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

32. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a substrate arranged along a first axis in a substantially equally-spaced manner,

forming a plurality of second-axis conductor cells on the surface of the substrate arranged along a second axis in a substantially equally-spaced manner;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies, wherein each second-axis conductor cell is set in each disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells; and

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material.

33. The method of claim 32 , wherein the first-axis conductor cells, the second-axis conductor cells and the first-axis conduction lines are formed simultaneously.

34. The method of claim 32 further comprising forming a plurality of signal transmission lines on the surface of the substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

35. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a substrate arranged along a first axis in a substantially equally-spaced manner,

forming a plurality of second-axis conductor cells on the surface of the substrate arranged along a second axis in a substantially equally-spaced manner;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies, wherein each second-axis conductor cell is set in each disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material; and

measuring a capacitance between a first cell of the plurality of first-axis conductor cells and a second cell of the plurality of second-axis conductor cells to detect a position of touch.

36. The method of claim 32 , wherein the first-axis conduction lines consist of a transparent conductive material.

37. The method of claim 32 , wherein the second-axis conduction lines consist of a transparent conductive material.

38. The method of claim 32 , wherein the insulation layer consists of a transparent insulation material.

39. The method of claim 32 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

40. The method of claim 32 , wherein each second-axis conduction line terminates on the edge of each second-axis conductor cell to the adjacent second-axis conductor cells.

41. The method of claim 32 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

42. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a substrate arranged along a first axis in a substantially equally-spaced manner, wherein each first-axis conductor cell is separated by each disposition zone between adjacent ones of the first-axis conductor cells;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

forming a plurality of second-axis conductor cells in each disposition zone between adjacent ones of the first-axis conductor cells on the surface of the substrate arranged along a second axis in a substantially equally-spaced manner; and

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material.

43. The method of claim 42 further comprising forming a plurality of signal transmission lines on the surface of the substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

44. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a substrate arranged along a first axis in a substantially equally-spaced manner, wherein each first-axis conductor cell is separated by each disposition zone between adjacent ones of the first-axis conductor cells;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

forming a plurality of second-axis conductor cells in each disposition zone between adjacent ones of the first-axis conductor cells on the surface of the substrate arranged along a second axis in a substantially equally-spaced manner;

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material; and

measuring a capacitance between a first cell of the plurality of first-axis conductor cells and a second cell of the plurality of second-axis conductor cells to detect a position of touch.

45. The method of claim 42 , wherein the transparent conductive material is Indium Tin Oxide (ITO).

46. A conductor pattern structure of a capacitive touch panel formed on a surface of a rigid substrate, the conductor pattern structure comprising:

a plurality of first-axis conductor assemblies, each first-axis conductor assembly comprising a plurality of first-axis conductor cells arranged on the surface of the rigid substrate along a first axis in a substantially equally-spaced manner, a disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

a plurality of first-axis conduction lines respectively connecting between adjacent ones of the first-axis conductor cells of each first-axis conductor assembly so that the first-axis conductor cells of each respective first-axis conductor assembly are electrically connected together;

a plurality of insulation layers, each insulation layer of the plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

a plurality of second-axis conductor assemblies, each second-axis conductor assembly comprising a plurality of second-axis conductor cells arranged on the surface of the rigid substrate along a second axis in a substantially equally-spaced manner, each second-axis conductor cell being set in each disposition zone;

a plurality of second-axis conduction lines respectively connecting between adjacent ones of the second-axis conductor cells of each second-axis conductor assembly so that the second-axis conductor cells of each respective second-axis conductor assembly are electrically connected together, the second-axis conduction line being extended across a surface of the insulation layer of the respective first-axis conduction line,

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material.

47. The conductor pattern structure as claimed in claim 46 , wherein the first-axis conduction lines consist of a transparent conductive material.

48. The conductor pattern structure as claimed in claim 46 , wherein the second-axis conduction lines consist of a transparent conductive material.

49. The conductor pattern structure as claimed in claim 46 , wherein the insulation layer consists of a transparent insulation material.

50. The conductor pattern structure as claimed in claim 46 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

51. The conductor pattern structure as claimed in claim 46 further comprises a plurality of signal transmission lines formed on the surface of the rigid substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

52. The conductor pattern structure as claimed in claim 46 , wherein each second-axis conduction line terminates on the edge of each second-axis conductor cell to the adjacent second-axis conductor cells.

53. A conductor pattern structure of a capacitive touch panel formed on a surface of a rigid substrate, the conductor pattern structure comprising:

at least two adjacent first-axis conductor cells; and

at least two adjacent second-axis conductor cells,

wherein the adjacent first-axis conductor cells are connected by a first-axis conduction line provided therebetween,

wherein an insulation layer is formed on a surface of the first-axis conduction line without encompassing the two adjacent first-axis conductor cells, and a second-axis conduction line extends across a surface of the insulation layer to connect between the adjacent second-axis conductor cells, and

wherein first-axis conductor cells and the second-axis conductor cells consist of a transparent conductive material.

54. The conductor pattern structure as claimed in claim 53 , wherein the first-axis conduction lines consist of a transparent conductive material.

55. The conductor pattern structure as claimed in claim 53 , wherein the second-axis conduction lines consist of a transparent conductive material.

56. The conductor pattern structure as claimed in claim 53 , wherein the insulation layer consists of a transparent insulation material.

57. The conductor pattern structure as claimed in claim 53 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

58. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a rigid substrate arranged along a first axis in a substantially equally-spaced manner,

forming a plurality of second-axis conductor cells on the surface of the rigid substrate arranged along a second axis in a substantially equally-spaced manner;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies, wherein each second-axis conductor cell is set in each disposition zone being delimited between adjacent ones of the first-axis conductor assemblies and between adjacent ones of the first-axis conductor cells;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells; and

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material.

59. The method of claim 58 , wherein the first-axis conductor cells, the second-axis conductor cells and the first-axis conduction lines are formed simultaneously.

60. The method of claim 58 further comprising forming a plurality of signal transmission lines on the surface of the rigid substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

61. The method of claim 58 , wherein the first-axis conduction lines consist of a transparent conductive material.

62. The method of claim 58 , wherein the second-axis conduction lines consist of a transparent conductive material.

63. The method of claim 58 , wherein the insulation layer consists of a transparent insulation material.

64. The method of claim 58 , wherein the first-axis conductor cells and the second-axis conductor cells have a contour of hexagonal shape.

65. The method of claim 58 , wherein each second-axis conduction line terminates on the edge of each second-axis conductor cell to the adjacent second-axis conductor cells.

66. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a rigid substrate arranged along a first axis in a substantially equally-spaced manner, wherein each first-axis conductor cell is separated by each disposition zone between adjacent ones of the first-axis conductor cells;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

forming a plurality of second-axis conductor cells in each disposition zone between adjacent ones of the first-axis conductor cells on the surface of the rigid substrate arranged along a second axis in a substantially equally-spaced manner; and

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material.

67. The method of claim 66 further comprising forming a plurality of signal transmission lines on the surface of the rigid substrate, each signal transmission line respectively connecting each first-axis conductor assembly and each second-axis conductor assembly.

68. A method of constructing a conductor pattern structure of a capacitive touch panel, the method comprising:

forming a plurality of first-axis conductor cells on a surface of a rigid substrate arranged along a first axis in a substantially equally-spaced manner, wherein each first-axis conductor cell is separated by each disposition zone between adjacent ones of the first-axis conductor cells;

electrically connecting adjacent ones of the first-axis conductor cells along the first-axis using a plurality of first-axis conduction lines to form a plurality of first-axis conductor assemblies;

forming a plurality of insulation layers covering a surface of each first-axis conduction line without encompassing the adjacent first-axis conductor cells;

forming a plurality of second-axis conductor cells in each disposition zone between adjacent ones of the first-axis conductor cells on the surface of the rigid substrate arranged along a second axis in a substantially equally-spaced manner;

electrically connecting adjacent ones of the second-axis conductor cells along the second-axis using a plurality of second-axis conduction lines to form a plurality of second-axis conductor assemblies, each of the first-axis conductor cells and the second-axis conductor cells consisting of a transparent conductive material; and

measuring a capacitance between a first cell of the plurality of first-axis conductor cells and a second cell of the plurality of second-axis conductor cells to detect a position of touch.

Assignments (2)
CHANGE OF NAME Recorded Jan 10, 2008
From: TRENDON TOUCH TECHNOLOGY CORP.
To: TPK TOUCH SOLUTIONS INC.
Reel/Frame 020426/0287 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 7, 2008
From: CHANG, CHING-YANG; CHIEN, SHUN-TA
To: TRENDON TOUCH TECHNOLOGY CORP.
Reel/Frame 020326/0259 →
Priority Claims (1)
TW 96115152 A · Apr 27, 2007 · national
Continuity (1)
Related Publication 20080264699A1 · Oct 30, 2008