Touchscreen panel sensor film and manufacturing method thereof

• US 9,189,033 B2
• Filed: 07/10/2013
• Issued: 11/17/2015
• Est. Priority Date: 09/29/2010
• Status: Active Grant

• Current Assignee: Dai Nippon Printing Company Limited
• Original Assignee: Dai Nippon Printing Company Limited
• Inventors: Takahashi, Masahiro, Iida, Mitsuru, Matsumoto, Yutaka, Ogawa, Kazuya, Matsuda, Junzo, Ishigami, Tatsuhiko
• Primary Examiner(s): Leon, Edwin A.
• Application Number:
  US13/938,654
• Publication Number:
  US 20140036165A1
• Time in Patent Office: 860 Days
• Field of Search: 200/600, 200310-317, 200/46, 200/292, 200511-512, 200/514, 345/173, 298/46, 174/250
• US Class Current: 1/1
• CPC Class Codes: G02F 1/13338 Input devices, e.g. touch panels
• CPC Class Codes: G06F 1/1692 the I/O peripheral being a secondary touch screen used as control interface, e.g. virtual buttons or sliders
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 2203/04112 Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
• CPC Class Codes: H03K 17/9622 using a plurality of detectors, e.g. keyboard

Abstract

Presented is a touchscreen panel sensor film with alignment marks or product information assigned thereto, this sensor film being formed so as to improve in post-processing accuracy. The touchscreen panel sensor film according to this invention includes a transparent base film and a transparent electrical conductor pattern provided on at least one surface of the base film, and achieves the improvement of post-processing accuracy by having alignment marks or product information in a non-active area on the sensor film.

Claims

1. A touchscreen panel sensor film comprising:

a transparent base film;

a first electrical conductor provided on one side of the base film;

a second electrical conductor provided on the other side of the base film; and

an electrical lead-out conductor provided on one section of at least one of the first electrical conductor and the second electrical conductor;

wherein the one section of at least one of the electrical conductors is formed linearly, the electrical lead-out conductor extends linearly on the one section, and the one section of the at least one of the electrical conductors and the electrical lead-out conductor form an electrical line extending on the base film.

2. The touchscreen panel sensor film according to claim 1,

wherein the base film includes an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area, and

wherein the electrical lead-out conductor is disposed on the non-active area.

3. The touchscreen panel sensor film according to claim 2,

wherein the first electrical conductor includes sensor portion arranged on the active area of the base film, and terminal portion arranged on the non-active area of the base film so that the terminal portion is coupled to the sensor portions, and

wherein the electrical lead-out conductor is disposed on the terminal portion of the first electrical conductor.

4. The touchscreen panel sensor film according to claim 3,

wherein the terminal portion of the first electrical conductor is integrally formed from the same material as that of the sensor portion of the first electrical conductor.

5. The touchscreen panel sensor film according to claim 1,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

6. The touchscreen panel sensor film according to claim 2,

wherein the non-active area is a region that extends along an end periphery of the active area, and

wherein the one section of the electrical conductor extends in the non-active area at least partly along an end periphery of the active area adjacent to the non-active area.

7. The touchscreen panel sensor film according to claim 1,

wherein the electrical lead-out conductor is formed in the same pattern as that of the one section of the electrical conductor.

8. The touchscreen panel sensor film according to claim 1,

wherein the electrical lead-out conductor has a light-shielding property.

9. The touchscreen panel sensor film according to claim 1,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

10. The touchscreen panel sensor film according to claim 1,

wherein the electrical lead-out conductor is formed using aluminum, molybdenum, silver, chromium, or copper.

11. A touchscreen panel sensor film of a projected type of capacitive-coupling scheme, comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

a first electrical conductor formed of a plurality of linear conductors provided on one side of the base film, the first electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions;

a second electrical conductor formed of a plurality of linear conductors provided on the other side of the base film, the second electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions; and

an electrical lead-out conductor provided on one section of the respective linear conductors that constitute at least one of the first electrical conductor and the second electrical conductor;

wherein the one section of the at least one of the electrical conductors is positioned on the terminal portion of the at least one of the electrical conductors, and

wherein the one section of at least one of the electrical conductors is formed linearly, the electrical lead-out conductor extends linearly on the one section, and the one section of the at least one of the electrical conductors and the electrical lead-out conductor form an electrical line extending on the base film.

12. The touchscreen panel sensor film according to claim 11,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

13. The touchscreen panel sensor film according to claim 11,

wherein the electrical lead-out conductor has a light-shielding property.

14. The touchscreen panel sensor film according to claim 11,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

15. A touchscreen panel sensor film comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

a first electrical conductor provided on one side of the base film, the first electrical conductor including sensor portion arranged on the active area of the base film, and terminal portion arranged on the non-active area of the base film so that the terminal portion is coupled to the sensor portion;

a second electrical conductor provided on the other side of the base film, the second electrical conductor including sensor portion arranged on the active area of the base film, and terminal portion arranged on the non-active area of the base film so that the terminal portion is coupled to the sensor portion; and

an electrical lead-out conductor provided on one section of at least one of the first electrical conductor and the second electrical conductor;

wherein the one section of at least one of the electrical conductors is formed linearly, and the electrical lead-out conductor extends linearly on the one section, and

wherein the electrical lead-out conductor is disposed on the one section of the terminal portion of the at least one of the electrical conductors disposed on the non-active area so as not to have an end adjacent to an end of the sensor portion of the at least one of the electrical conductors disposed on the active area.

16. The touchscreen panel sensor film according to claim 15,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

17. The touchscreen panel sensor film according to claim 15,

wherein the electrical lead-out conductor has a light-shielding property.

18. The touchscreen panel sensor film according to claim 15,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

19. A touchscreen panel sensor film of a projected type of capacitive-coupling scheme, comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

a first electrical conductor formed of a plurality of linear conductors provided on one side of the base film, the first electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions;

a second electrical conductor formed of a plurality of linear conductors provided on the other side of the base film, the second electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions; and

an electrical lead-out conductor provided on one section of the respective linear conductors that constitute at least one of the first electrical conductor and the second electrical conductor;

wherein the one section of the at least one of the electrical conductors is positioned on the terminal portion of the at least one of the electrical conductors,

wherein the one section of the at least one of the electrical conductors is formed linearly, and the electrical lead-out conductor extends linearly on the one section, and

wherein the electrical lead-out conductor is disposed on the one section of the terminal portion of the at least one of the electrical conductors disposed on the non-active area so as not to have an end adjacent to an end of the sensor portion of the at least one of the electrical conductors disposed on the active area.

20. The touchscreen panel sensor film according to claim 19,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

21. The touchscreen panel sensor film according to claim 19,

wherein the electrical lead-out conductor has a light-shielding property.

22. The touchscreen panel sensor film according to claim 19,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

23. A touchscreen panel sensor film comprising:

a transparent base film;

a first electrical conductor provided on one side of the base film;

a second electrical conductor provided on the other side of the base film;

a first electrical lead-out conductor provided on one section of the first electrical conductor; and

a second electrical lead-out conductor provided on one section of the second electrical conductor;

wherein the one section of the first electrical conductor is formed linearly, and the first electrical lead-out conductor linearly extends on the one section, and

wherein the one section of the second electrical conductor is formed linearly, and the second electrical lead-out conductor linearly extends on the one section.

24. The touchscreen panel sensor film according to claim 23,

wherein a width of the linearly extending first electrical lead-out conductor is smaller than that of the one section of the first electrical conductor that is overlaid with the first electrical lead-out conductor, and

wherein a width of the linearly extending second electrical lead-out conductor is smaller than that of the one section of the second electrical conductor that is overlaid with at an overlap of the second electrical lead-out conductor.

25. The touchscreen panel sensor film according to claim 23,

wherein the first electrical lead-out conductor and the second electrical lead-out conductor have a light-shielding property.

26. The touchscreen panel sensor film according to claim 23,

wherein the first electrical lead-out conductor is disposed on the first electrical conductor spacedly from the base film, and

wherein the second electrical lead-out conductor is disposed on the second electrical conductor spacedly from the base film.

27. A touchscreen panel sensor film of a projected type of capacitive-coupling scheme, comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

a first electrical conductor formed of a plurality of linear conductors provided on one side of the base film, the first electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions;

a second electrical conductor formed of a plurality of linear conductors provided on the other side of the base film, the second electrical conductor including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions;

a first electrical lead-out conductor provided on one section of the respective linear conductors that constitute the first electrical conductor; and

a second electrical lead-out conductor provided on one section of the respective linear conductors that constitute the second electrical conductor;

wherein the one section of the first electrical conductor is positioned on the terminal portion of the first electrical conductor,

wherein the one section of the second electrical conductor is positioned on the terminal portion of the second electrical conductor,

wherein the one section of the first electrical conductor is formed linearly, and the first electrical lead-out conductor linearly extends on the one section, and

wherein the one section of the second electrical conductor is formed linearly, and the second electrical lead-out conductor linearly extends on the one section.

28. The touchscreen panel sensor film according to claim 27,

wherein a width of the linearly extending first electrical lead-out conductor is smaller than that of the one section of the first electrical conductor that is overlaid with the first electrical lead-out conductor, and

wherein a width of the linearly extending second electrical lead-out conductor is smaller than that of the one section of the second electrical conductor that is overlaid with the second electrical lead-out conductor.

29. The touchscreen panel sensor film according to claim 27,

wherein the first electrical lead-out conductor and the second electrical lead-out conductor have a light-shielding property.

30. The touchscreen panel sensor film according to claim 27,

wherein the first electrical lead-out conductor is disposed on the first electrical conductor spacedly from the base film, and

wherein the second electrical lead-out conductor is disposed on the second electrical conductor spacedly from the base film.

31. A touchscreen panel sensor film comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

an electrical conductor provided on one side of the base film, the electrical conductor including sensor portion arranged on the active area of the base film, and terminal portion arranged on the non-active area of the base film so that the terminal portion is coupled to the sensor portion; and

an electrical lead-out conductor provided on one section of the terminal portion of the electrical conductor;

wherein the one section of the electrical conductor is formed linearly, and the electrical lead-out conductor extends linearly on the one section, and

wherein the electrical lead-out conductor is disposed on the one section of the terminal portion of the electrical conductor disposed on the non-active area so as not to have an end adjacent to an end of the sensor portion of the electrical conductor disposed on the active area.

32. The touchscreen panel sensor film according to claim 31, wherein

a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

33. The touchscreen panel sensor film according to claim 31,

wherein the electrical lead-out conductor has a light-shielding property.

34. The touchscreen panel sensor film according to claim 31,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

35. The touchscreen panel sensor film according to claim 31,

wherein the terminal portion of the electrical conductor is integrally formed from the same material as that of the sensor portion of the electrical conductor.

36. A touchscreen panel sensor film of a projected type of capacitive-coupling scheme, comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

a plurality of electrical conductors provided on one side of the base film, the electrical conductors including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions; and

an electrical lead-out conductor provided on one section of the terminal portion of the each electrical conductor;

wherein the one section of the electrical conductor is formed linearly, and the electrical lead-out conductor extends linearly on the one section, and

wherein the electrical lead-out conductor is disposed on the one section of the terminal portion of the electrical conductor disposed on the non-active area so as not to have an end adjacent to an end of the sensor portion of the electrical conductor disposed on the active area.

37. The touchscreen panel sensor film according to claim 36,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

38. The touchscreen panel sensor film according to claim 36,

wherein the electrical lead-out conductor has a light-shielding property.

39. The touchscreen panel sensor film according to claim 36,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

40. The touchscreen panel sensor film according to claim 36,

wherein the terminal portion of the electrical conductor is integrally formed from the same material as that of the sensor portion of the electrical conductor.

41. A touchscreen panel sensor film comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area;

an electrical conductor provided on one side of the base film, the electrical conductor including sensor portion arranged on the active area of the base film, and terminal portion arranged on the non-active area of the base film so that the terminal portion is coupled to the sensor portion; and

an electrical lead-out conductor provided on one section of the terminal portion of the electrical conductor;

wherein the one section of the electrical conductor is formed linearly, and the electrical lead-out conductor extends linearly on the one section, and

wherein the terminal portion of the electrical conductor is integrally formed from the same material as that of the sensor portion of the electrical conductor.

42. The touchscreen panel sensor film according to claim 41,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

43. The touchscreen panel sensor film according to claim 41,

wherein the electrical lead-out conductor has a light-shielding property.

44. The touchscreen panel sensor film according to claim 41,

wherein the electrical lead-out conductor is disposed on the electrical conductor spacedly from the base film.

45. A touchscreen panel sensor film of a projected type of capacitive-coupling scheme, comprising:

a transparent base film including an active area corresponding to a region whose touch position is detectable, and a non-active area adjacent to the active area,

a plurality of electrical conductors provided on one side of the base film, the electrical conductors including sensor portions arranged on the active area of the base film, and terminal portions arranged on the non-active area of the base film so that the terminal portions are coupled to the sensor portions; and

an electrical lead-out conductor provided on one section of the terminal portion of the each electrical conductor;

wherein the terminal portion of the electrical conductor is integrally formed from the same material as that of the sensor portion of the electrical conductor.

46. The touchscreen panel sensor film according to claim 45,

wherein a width of the linearly extending electrical lead-out conductor is smaller than that of the one section of the electrical conductor that is overlaid with the electrical lead-out conductor.

47. The touchscreen panel sensor film according to claim 45,

wherein the electrical lead-out conductor has a light-shielding property.

48. The touchscreen panel sensor film according to claim 45,

wherein the electrical lead-out conductor is disposed on the electrical conductor.