TOUCH SENSING PANEL

• US 20140118293A1
• Filed: 03/10/2013
• Published: 05/01/2014
• Est. Priority Date: 10/31/2012
• Status: Abandoned Application

• Current Assignee: Nuvoton Technology Corporation (Winbond Electronics Corporation)
• Original Assignee: Nuvoton Technology Corporation (Winbond Electronics Corporation)
• Inventors: CHANG, Yu-Cheng, WEN, Ya-Nan
• Application Number:
  US13/792,183
• Publication Number:
  US 20140118293A1
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• 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

Abstract

A touch sensing panel includes first electrodes and second electrodes. The first electrodes are connected with each other. The second electrodes and the first electrodes are formed on a same surface of a substrate. The first electrodes are formed on the substrate in a first direction, and the second electrodes are formed on the substrate in a second direction which is perpendicular to the first direction. Furthermore, the second electrodes are electrically connected with each other through conductive lines, and adjacent two of the first electrodes surround one of the second electrodes.

Claims

1. A touch sensing panel comprising:

a plurality of first electrodes connected with each other; and

a plurality of second electrodes, the first electrodes and the second electrodes being formed on a same surface of a substrate, wherein the first electrodes are formed on the substrate along a first direction, the second electrodes are formed on the substrate along a second direction which is perpendicular to the first direction, the second electrodes are electrically connected with each other through conductive lines, and adjacent two of the first electrodes surround one of the second electrodes.

2. The touch sensing panel as claimed in claim 1, wherein each of the second electrodes has a shape of quadrilateral, and each of the first electrodes has a shape of polygon corresponding to the shape of quadrilateral.

3. The touch sensing panel as claimed in claim 1, wherein each of the first electrodes comprises a first polygonal electrode and a second polygonal electrode, each of the first polygonal electrode and the second polygonal electrode has a top and a base, the tops of the first polygonal electrode and the second polygonal electrode are oppositely connected, and the bases of the first polygonal electrodes of the first electrodes are connected with each other.

4. The touch sensing panel as claimed in claim 3, wherein each of the second electrodes is a corresponding polygonal electrode or a circular electrode corresponding to the first electrodes.

5. The touch sensing panel as claimed in claim 4, further comprising:

a plurality of third electrodes, the third electrodes and the second electrodes being formed on the same surface of the substrate, wherein the third electrodes are respectively arranged along edges of the touch sensing panel and electrically connected with the second electrodes through conductive lines.

6. The touch sensing panel as claimed in claim 3, further comprising:

a plurality of third electrodes, the third electrodes and the second electrodes being formed on the same surface of the substrate, wherein the third electrodes are respectively arranged along edges of the touch sensing panel and electrically connected with the second electrodes through conductive lines.

7. The touch sensing panel as claimed in claim 6, wherein the third electrodes comprises a plurality of third polygonal electrodes, each of the third polygonal electrodes has a top and a base, the bases of the third polygonal electrodes are arranged along the edges of the touch sensing panel, the top of at least one of the third polygonal electrodes is electrically connected with the second electrodes through the conductive lines, and the base of at least one of the third polygonal electrodes is electrically connected with the second electrodes through the conductive lines.

8. The touch sensing panel as claimed in claim 6, further comprising:

a plurality of fourth electrodes, the fourth electrodes and the first electrodes being formed on the same surface of the substrate, wherein the fourth electrodes and the third electrodes are arranged alternately.

9. The touch sensing panel as claimed in claim 8, wherein the fourth electrodes comprises a plurality of fourth polygonal electrodes, each of the fourth polygonal electrodes has a top and a base, the tops of at least two of the fourth polygonal electrodes are connected with each other, and the bases of at least two of the fourth polygonal electrodes are connected with each other.

10. A touch sensing panel comprising:

a plurality of first electrodes arranged in a form of array, wherein the first electrodes arranged in a first direction are connected with each other; and

a plurality of second electrodes, the second electrodes and the first electrodes being formed on a same surface of a substrate, the second electrodes being interlaced with the first electrodes in a form of array, wherein the second electrodes arranged in a second direction perpendicular to the first direction are electrically connected with each other through conductive lines.

11. The touch sensing panel as claimed in claim 10, wherein each of the first electrodes comprises a first polygonal electrode and a second polygonal electrode, each of the first polygonal electrode and the second polygonal electrode has a top and a base, and the tops of the first polygonal electrode and the second polygonal electrode are oppositely connected.

12. The touch sensing panel as claimed in claim 11, wherein the bases of the first polygonal electrodes of the first electrodes arranged in the first direction are connected with each other.

13. The touch sensing panel as claimed in claim 12, wherein each of the first polygonal electrode and the second polygonal electrode is a triangular electrode or a trapezoid electrode.

14. The touch sensing panel as claimed in claim 11, further comprising:

a plurality of third polygonal electrodes, the third polygonal electrodes and the second electrodes being formed on the same surface of the substrate, each of the third polygonal electrodes having a top and a base, wherein the bases of the third polygonal electrodes are respectively arranged along the edges of the touch sensing panel.

15. The touch sensing panel as claimed in claim 14, wherein the top of at least one of the third polygonal electrodes is electrically connected with the second electrodes arranged in the second direction through conductive lines, and the base of at least one of the third polygonal electrodes is electrically connected with the second electrodes arranged in the second direction through conductive lines.

16. The touch sensing panel as claimed in claim 14, further comprising:

a plurality of fourth polygonal electrodes, the fourth polygonal electrodes and the first electrodes being formed on the same surface of the substrate, each of the fourth polygonal electrodes having a top and a base, wherein the fourth polygonal electrodes and the third polygonal electrodes are inversely and alternately arranged.

17. A touch sensing panel comprising:

a plurality of driving electrodes; and

a plurality of sensing electrodes, the sensing electrodes and the driving electrodes being formed on a same surface, a portion of the sensing electrodes being arranged at edges of the touch sensing panel, wherein the sensing electrodes which are arranged at the edges of the touch sensing panel comprises a plurality of first sensing electrodes with a first shape and a plurality of second sensing electrodes with a second shape, wherein a portion of the first sensing electrodes are arranged at four corners of the touch sensing panel, each of the second sensing electrodes has a top and a base, and the bases of the second sensing electrodes are arranged along the edges of the touch sensing panel.