Touch panel module

Patent metadata

Field	Value
Publication number	US-9874958-B2
Application number	US-201514667709-A
Country	US
Kind code	B2
Filing date	Mar 25, 2015
Priority date	Mar 25, 2014
Publication date	Jan 23, 2018
Grant date	Jan 23, 2018

Abstract

For a touch panel module, a first sensing unit is disposed on a viewing area of a substrate and includes a first electrode, a second sensing unit corresponds in position to a non-viewing area of the substrate and includes a first sub-electrode, an attaching portion corresponds in position to the non-viewing area and includes a first contact, and a first conducting wire, two ends of which are respectively connected to the first electrode and the first contact to form an electrical connection therebetween, and a connecting portion corresponds in position to the non-viewing area and includes a first conducting sub-wire for forming electrical connection between the first electrode and the first sub-electrode.

First claim

What is claimed is:

1. A touch panel module, comprising:
a substrate that is light transmissive, wherein said substrate is divided into a viewing area and a non-viewing area adjacent to said viewing area;
a first sensing unit that is light transmissive, wherein:
said first sensing unit is disposed on said viewing area of said substrate, and
said first sensing unit consists of a set of first electrodes extending in a same direction and capable of generating a touch sensing signal;

at least one second sensing unit that is disposed to correspond in position to said non-viewing area of said substrate, wherein said second sensing unit includes at least one first sub-electrode capable of generating a touch sensing signal;
an attaching portion that is disposed to correspond in position to said non-viewing area of said substrate, wherein said attaching portion includes:
a set of first contacts, wherein a number of contacts in said set of first contacts is equal to a number of electrodes in said set of first electrodes, and
at least one first conducting wire, wherein a first end of said first conducting wire is connected to a first electrode of said set of first electrodes and a second end of said first conducting wire is connected to a first contact of said set of first contacts to form an electrical connection between said first electrode of said set of first electrodes and said first contact of said set of first contacts; and

a connecting portion that is disposed to correspond in position to said non-viewing area of said substrate, wherein:
said connecting portion includes at least one first conducting sub-wire, and
said first conducting sub-wire forms an electrical connection between said first electrode of said set of first electrodes and said first sub-electrode.

2. The touch panel module of claim 1 , wherein a first end of said first conducting sub-wire is connected to said first contact of said set of first contacts and a second end of said first conducting sub-wire is connected to said first sub-electrode.

3. The touch panel module of claim 1 , wherein:
said first conducting wire extends between said first electrode of said set of first electrodes and said first sub-electrode,
said first conducting sub-wire crosses over said first conducting wire in an electrically insulating manner, and
a first end of said first conducting sub-wire is connected to said first electrode of said set of first electrodes and a second end of said first conducting sub-wire is connected to said first sub-electrode.

4. The touch panel module of claim 3 , wherein:
said connecting portion further includes at least one first insulating layer,
said first insulating layer is disposed at an overlapping location of said first conducting wire and said first conducting sub-wire, and
said first insulating layer is clamped between said first conducting wire and said first conducting sub-wire.

5. The touch panel module of claim 1 , wherein no electrodes are disposed on said viewing area of said substrate other than said set of first electrodes.

6. The touch panel module of claim 1 , wherein:
said connecting portion further includes a plurality of first insulating layers,
said attaching portion includes a plurality of first conducting wires,
said first insulating layers are respectively disposed at overlapping locations of said first conducting wires and said first conducting sub-wire, and
said first insulating layers are respectively clamped between said first conducting wires and said first conducting sub-wire.

7. The touch panel module of claim 1 , further comprising a cover layer that is light shielding, wherein:
said cover layer is disposed on said non-viewing area of said substrate, and
said second sensing unit, said attaching portion and said connecting portion are disposed thereon.

8. The touch panel module of claim 7 , wherein:
said cover layer is formed with at least one hollow pattern portion, and
said hollow pattern portion corresponds in location to said second sensing unit.

9. The touch panel module of claim 1 , wherein said first electrode of said set of first electrodes is rectangular-shaped.

10. The touch panel module of claim 1 , wherein:
said second sensing unit consists a set of first sub-electrodes extending in said same direction, and
a number of said first sub-electrodes in said set of first sub-electrodes is less than said number of electrodes in said set of first electrodes.

11. The touch panel module of claim 1 , wherein said first electrode of said set of first electrodes and said first sub-electrode extend along said same direction.

12. The touch panel module of claim 1 , further comprising a flexible circuit board that is disposed to correspond in position to said set of first contacts.

13. A touch panel module, comprising:
a substrate that is light transmissive, wherein said substrate is divided into a viewing area and a non-viewing area adjacent to said viewing area;
a first sensing unit that is light transmissive, wherein:
said first sensing unit is disposed on said viewing area of said substrate, and
said first sensing unit includes at least one first electrode capable of generating a touch sensing signal;

at least one second sensing unit that is disposed to correspond in position to said non-viewing area of said substrate, wherein:
said second sensing unit includes at least one first sub-electrode capable of generating a touch sensing signal and a plurality of second sub-electrodes capable of generating a touch sensing signal, and
said first sub-electrode extends in a first direction and said second sub-electrodes extend in a second direction different than said first direction;

an attaching portion that is disposed to correspond in position to said non-viewing area of said substrate, wherein said attaching portion includes:
at least one first contact,
at least one second contact, and
at least one first conducting wire, wherein a first end of said first conducting wire is connected to said first electrode and a second end of said first conducting wire is connected to said first contact to form an electrical connection between said first electrode and said first contact; and

a connecting portion that is disposed to correspond in position to said non-viewing area of said substrate, wherein:
said connecting portion includes at least one first conducting sub-wire and a second conducting sub-wire,
said first conducting sub-wire forms an electrical connection between said first electrode and said first sub-electrode, and
said second conducting sub-wire has a first end connected to said second contact, a second end connected to a first instance of said second sub-electrodes, and a third end connected to a second instance of said second sub-electrodes to form an electrical connection between said second contact and said first instance of said second sub-electrodes and said second instance of said second sub-electrodes.

14. The touch panel module of claim 13 , wherein:
said first electrode of said first sensing unit extends along a first direction,
said first sensing unit further includes at least one second electrode that extends along a second direction and that is capable of generating a touch sensing signal, and
said second electrode and said first electrode cross each other and are mutually electrically insulating.

15. The touch panel module of claim 14 , wherein said second sub-electrode and said first sub-electrode cross each other and are mutually electrically insulating.

16. The touch panel module of claim 15 , wherein:
said

Assignees

• Tpk Touch Solutions Xiamen Inc

Inventors

• Jiang Yau-Chen
• Xie Yanjun
• Lai Bin
• Wu Defa
• Lai Yanping

Classifications

• G06F2200/1636

  Sensing arrangement for detection of a tap gesture on the housing · CPC title

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · CPC title

• G06F1/16

  Constructional details or arrangements · CPC title

• G06F1/1626

  with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs] · CPC title

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title