TOUCH PANEL AND TOUCH DEVICE INCLUDING THE SAME

• US 20150331513A1
• Filed: 05/12/2015
• Published: 11/19/2015
• Est. Priority Date: 05/14/2014
• Status: Active Grant

• Current Assignee: LG Innotek Company Limited (LG Corporation)
• Original Assignee: LG Innotek Company Limited (LG Corporation)
• Inventors: LEE, Tae Jin
• Granted Patent: US 9,841,856 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• 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

Abstract

Disclosed is a touch panel including a substrate including a sensing area and a connecting area, a circuit pattern on the substrate, and a driving chip on the substrate.

Claims

1. A touch panel comprising:

a substrate comprising a sensing area and a connecting area;

a circuit pattern on the substrate; and

a driving chip on the substrate.

2. The touch panel of claim 1, wherein the circuit pattern comprises:

a sensing circuit pattern in the sensing area; and

a connecting circuit pattern in the connecting area.

3. The touch panel of claim 2, wherein the connecting area comprises:

a first connecting area adjacent to the sensing area; and

a second connecting area adjacent to the first connecting area, and

wherein the connecting circuit pattern is provided on the first connecting area, and the driving chip is provided on the second connecting area.

4. The touch panel of claim 1, wherein the circuit pattern and the driving chip are provided on a same surface of the substrate.

5. The touch panel of claim 3, wherein the driving circuit is mounted on the second connecting area.

6. The touch panel of claim 2, wherein the sensing circuit pattern, the connecting circuit pattern, and the driving chip are electrically connected with each other.

7. The touch panel of claim 6, wherein the connecting circuit pattern is directly connected with the driving chip.

8. The touch panel of claim 2, wherein one end of the connecting circuit pattern is connected with the sensing circuit pattern, and an opposite end to the one end is connected with the driving chip.

9. The touch panel of claim 2, wherein the sensing circuit pattern and the connecting circuit pattern include a same material.

10. The touch panel of claim 2, wherein the sensing circuit pattern includes a material different from a material of the connecting circuit pattern.

11. The touch panel of claim 10, wherein the sensing circuit pattern is transparent.

12. The touch panel of claim 2, wherein the sensing circuit pattern comprises a first sensing circuit pattern and a second sensing circuit pattern extending in mutually different directions.

13. The touch panel of claim 12, wherein at least one of the first and second sensing circuit patterns comprises a mesh-shaped pattern.

14. The touch panel of claim 1, further comprising a cover substrate on the substrate.

15. The touch panel of claim 14, wherein the substrate has an area wider than an area of the cover substrate.

16. The touch panel of claim 12, wherein the substrate comprises:

a first substrate on the cover substrate; and

a second substrate on the first substrate, and

wherein the first sensing circuit pattern is provided on the first substrate, and the second sensing circuit pattern is provided on the second substrate.

17. A touch device comprising the touch panel according to claim 1;

and a display on the touch panel.

18. The touch device of claim 17, further comprising a clock.

19. The touch device of claim 17, wherein the display is provided on the sensing area.

20. The touch device of claim 17, wherein a touch is sensed in the display and at a peripheral portion of the display.