CAPACITIVE TOUCH PANEL

• US 20120162130A1
• Filed: 03/01/2012
• Published: 06/28/2012
• Est. Priority Date: 02/18/2008
• Status: Active Grant

• Current Assignee: Chen-Yu Liu, Kwan-Sin Ho
• Original Assignee: Chen-Yu Liu, Kwan-Sin Ho
• Inventors: Liu, Chen-Yu, Ho, Kwan-Sin
• Granted Patent: US 9,606,675 B2
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 3/041 Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• CPC Class Codes: G06F 3/04164 Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• 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

Abstract

An integrally-formed capacitive touch panel is disclosed including: a singular lens substrate, a mask layer, and a sensing circuit integrally coupled with said singular lens substrate. Said singular lens substrate, said mask layer, and said sensing circuit are integrally formed.

Claims

1. An integrally-formed capacitive touch panel, comprising:

a singular lens substrate having a first surface for receiving touch input and a second surface;

a mask layer; and

a sensing circuit, wherein said sensing circuit is formed on said second surface of said singular lens substrate and said mask layer is formed on said first surface of said singular lens substrate.

2. The integrally-formed capacitive touch panel of claim 1, wherein said sensing circuit further comprises:

a first sensing circuit;

an insulation layer; and

a second sensing circuit, wherein said singular lens substrate, said mask layer, said first sensing circuit, said insulation layer, and said second sensing circuit are integrally formed, and wherein said integrally-formed capacitive touch panel is capable of directly coupling with a display panel.

3. The integrally-formed capacitive touch panel of claim 1, wherein said mask layer is formed on the periphery of said first surface of said singular lens substrate.

4. The integrally-formed capacitive touch panel of claim 1, further comprising:

a smooth layer between said singular lens substrate and said sensing circuit.

5. The integrally-formed capacitive touch panel of claim 1, further comprising:

a shielding layer formed on the periphery of said second surface of said singular lens substrate for preventing noise signals.

6. The integrally-formed capacitive touch panel of claim 1, further comprising:

an overcoat integrally formed on a surface of said sensing circuit; and

an adhesive layer disposed on said overcoat.

7. An integrally formed slim-type capacitive touch panel, comprising:

a singular substrate having a top surface for receiving physical tactile input and a bottom surface;

a mask layer;

a sensing circuit, wherein said sensing circuit is formed on said bottom surface of said singular substrate and said mask layer is formed on said top surface of said singular substrate.

8. The integrally-formed slim-type capacitive touch panel of claim 7, wherein said sensing circuit further comprises:

a first sensing circuit;

an insulation layer; and

a second sensing circuit, wherein said singular substrate, said mask layer, said first sensing circuit, said insulation layer, and said second sensing circuit are integrally formed, and wherein said integrally-formed capacitive touch panel is capable of directly coupling with a display panel.

9. The integrally-formed slim-type capacitive touch panel of claim 7, wherein said mask layer is formed on the periphery of said top surface of said singular substrate.

10. The integrally-formed slim-type capacitive touch panel of claim 7, further comprising:

a smooth layer between said singular substrate and said sensing circuit.

11. The integrally-formed slim-type capacitive touch panel of claim 7, further comprising:

a shielding layer formed on the periphery of said bottom surface of said singular substrate for preventing noise signals.

12. The integrally-formed slim-type capacitive touch panel of claim 7, further comprising:

an overcoat integrally formed on a surface of said sensing circuit; and

an adhesive layer disposed on said overcoat.

13. A capacitive touch panel comprising:

a sensing circuit, a physical tactile inputting integration having a peripheral masking area and having one side for physical tactile input and another side for forming said sensing circuit, wherein there is no other substrate for forming said sensing circuit on the opposite side of said sensing circuit.

14. The capacitive touch panel of claim 13, wherein said physical tactile inputting integration comprises a singular lens substrate having a top surface for receiving said physical tactile input and a bottom surface for forming said sensing circuit, and a mask layer formed on peripheral area of said singular lens substrate.

15. The capacitive touch panel of claim 14, wherein said mask layer is formed on said peripheral area of said top surface of said singular lens substrate.

16. The capacitive touch panel of claim 14, wherein said mask layer is formed on said peripheral area of said bottom surface of said singular lens substrate.

17. The capacitive touch panel of claim 14, further comprising:

a smooth layer between said singular lens substrate and said sensing circuit.

18. The capacitive touch panel of claim 14, wherein said sensing circuit further comprises:

a first sensing circuit;

an insulation layer; and

a second sensing circuit, wherein said singular lens substrate, said mask layer, said first sensing circuit, said insulation layer, and said second sensing circuit are integrally formed, and wherein said capacitive touch panel is capable of directly coupling with a display panel.

19. The capacitive touch panel of claim 14, further comprising:

a shielding layer formed on the periphery of said bottom surface of said singular lens substrate for preventing noise signals.

20. The capacitive touch panel of claim 14, further comprising:

an overcoat integrally formed on a surface of said sensing circuit; and

an adhesive layer disposed on said overcoat.

21. A capacitive touch panel for being disposed on a display panel, comprising:

a sensing circuit, a physical tactile inputting integration having a peripheral masking area and having one side for physical tactile input and another side for forming said sensing circuit, wherein there is no other substrate for forming said sensing circuit between said sensing circuit and said display panel.

22. The capacitive touch panel of claim 21, wherein said physical tactile inputting integration comprises a singular lens substrate having a top surface for receiving said physical tactile input and a bottom surface for forming said sensing circuit, and a mask layer formed on said peripheral area of said singular lens substrate.

23. The capacitive touch panel of claim 22, wherein said mask layer is formed on said peripheral area of said top surface of said singular lens substrate.

24. The capacitive touch panel of claim 22, wherein said mask layer is formed on said. peripheral area of said bottom surface of said singular lens substrate.

25. The capacitive touch panel of claim 22, further comprising:

a smooth layer between said singular lens substrate and said sensing circuit.

26. The capacitive touch panel of claim 22, wherein said sensing circuit further comprises:

a first sensing circuit;

an insulation layer; and

a second sensing circuit, wherein said singular lens substrate, said mask layer, said first sensing circuit, said insulation layer, and said second sensing circuit are integrally formed, and wherein said capacitive touch panel is capable of directly coupling with said display panel.

27. The capacitive touch panel of claim 22, further comprising:

a shielding layer formed on said peripheral area of said bottom surface of said singular lens substrate for preventing noise signals.

28. The capacitive touch panel of claim 22, further comprising:

an overcoat integrally formed on a surface of said sensing circuit; and

an adhesive layer disposed on said overcoat.

29. A capacitive touch panel comprising:

a sensing circuit, a singular lens substrate forming a peripheral mask layer thereon, having a first surface for physical tactile input and a second surface for forming the sensing circuit, wherein there is no other substrate for forming the sensing circuit on the opposite side of the sensing circuit.

30. The capacitive touch panel of claim 29, wherein said sensing circuit further comprises:

a first sensing circuit;

an insulation layer; and

a second sensing circuit, wherein said singular lens substrate, said mask layer, said first sensing circuit, said insulation layer, and said second sensing circuit are integrally formed, and wherein said capacitive touch panel is capable of directly coupling with a display panel.

31. The capacitive touch panel of claim 29, wherein said mask layer is formed on the periphery of said first surface of said singular lens substrate.

32. The capacitive touch panel of claim 29, further comprising:

a smooth layer between said singular lens substrate and said sensing circuit.

33. The capacitive touch panel of claim 29, further comprising:

a shielding layer formed on the periphery of said second surface of said singular lens substrate for preventing noise signals.

34. The capacitive touch panel of claim 29, further comprising:

an overcoat integrally formed on a surface of said sensing circuit; and

an adhesive layer disposed on said overcoat.