TOUCH PANEL HAVING A INSULATION LAYER

• US 20110043465A1
• Filed: 06/29/2010
• Published: 02/24/2011
• Est. Priority Date: 08/19/2009
• Status: Abandoned Application

• Current Assignee: InnoLux Corporation
• Original Assignee: Chi Mei Innolux Corporation (InnoLux Corporation)
• Inventors: HUANG, PO-SHAN, CHAO, CHIH-HAN, SHIH, PO-SHENG, CHENG, JIA-SHYONG
• Application Number:
  US12/826,599
• Publication Number:
  US 20110043465A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: B82Y 15/00 Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
• 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 17/9645 Resistive touch switches
• CPC Class Codes: H03K 2217/96015 Constructional details for touch switches for capacitive touch switches see H03K2217/9607
• CPC Class Codes: Y10S 977/956 Of mechanical property

Abstract

A touch panel including a first insulation substrate, a first conductive film, a first insulation film, first conductive wires, a second insulation substrate, a second conductive film, and second conductive wires is provided. The first conductive film is disposed on the first insulation substrate and the first insulation layer covers a portion of a periphery of the first conductive film so that the first conductive film has an exposed region. The first conductive wires are disposed on the periphery of the first conductive film and each of the first conductive wires includes an electrode segment and an extending segment. The electrode segment is electrically connected with the first conductive film and the extending segment is electrically isolated from the first conductive film. The second conductive film is disposed on the second insulation substrate. The second conductive wires are disposed on the periphery of the second conductive film.

Claims

1. A touch panel, comprising:

a first insulation substrate having a first conductive film contacting with the first insulation substrate;

a first insulation layer covering a portion of a periphery of the first conductive film so that the first conductive film has a first exposed region;

a plurality of first conductive wires separately disposed at the periphery of the first conductive film, and each of the first conductive wires comprising;

a first electrode segment contacting with the first exposed region to be electrically connected to the first conductive film; and

a first extending segment contacting with the first insulation layer to be isolated from the first conductive film;

a second insulation substrate having a second conductive film thereon contacting with the second insulation substrate; and

a plurality of second conductive wires separately disposed on a periphery of the second conductive film,

wherein the second insulation substrate is for connecting with an external circuit.

2. The touch panel as claimed in claim 1, wherein the first insulation substrate is more adjacent to a touch surface of the touch panel than the second insulation substrate is.

3. The touch panel as claimed in claim 1, wherein the first insulation substrate is a decorative substrate having patterns, characters, or a combination thereof.

4. The touch panel as claimed in claim 1, wherein the first insulation layer comprises two sub-insulation layers located at two adjacent margins of the first conductive film, a portion of each of the first conductive wires is isolated from the first conductive film through the sub-insulation layers, and another portion of each of the first conductive wires contacts the first exposed region.

5. The touch panel as claimed in claim 1, further comprising a second insulation layer covering a portion of the periphery of the second conductive film so that the second conductive film has a second exposed region, wherein each of the second conductive wires comprises:

a second electrode segment contacting with the second exposed region to be electrically connected with the second conductive film; and

a second extending segment contacting with the second insulation layer to be isolated from the second conductive film.

6. The touch panel as claimed in claim 5, further comprising a plurality of conductive pads separately disposed on the second insulation layer, the conductive pads being not electrically connected with the second conductive wires, the first extending segments being respectively electrically connected to the external circuit through the conductive pads, a terminal of each second extending segment being configured with a contact point, and the second conductive wires being respectively electrically connected to the external circuit through the contact points.

7. The touch panel as claimed in claim 6, further comprising a plurality of connecting wires, each of the connecting wires having an external connecting terminal and an inner connecting terminal opposite to the external connecting terminal, the conductive pads being respectively configured in the external connecting terminal, and a terminal of the first conductive wires being electrically connected to the inner connecting terminals.

8. The touch panel as claimed in claim 7, wherein the connecting wires are disposed on the second insulation layer and isolated from the second conductive film.

9. The touch panel as claimed in claim 8, wherein the terminal of the first conductive wires is electrically connected to the inner connecting terminals through conductive glue.

10. The touch panel as claimed in claim 1, wherein the second conductive film has a first region and a plurality of second regions, the first region and the second regions are separated from one another, and each of the second conductive wires comprises:

a second electrode segment contacting with the first region to be electrically connected to the first region; and

a second extending segment contacting with one of the second regions.

11. The touch panel as claimed in claim 10, further comprising a plurality of conductive pads separately disposed on a portion of the second regions, the conductive pads being not electrically connected with the second conductive wires, the first extending segments being respectively electrically connected to the external circuit through the conductive pads, a terminal of each second extending segment being configured with a contact point, and the second conductive wires being respectively electrically connected to the external circuit through the contact points.

12. The touch panel as claimed in claim 11, further comprising a plurality of connecting wires, each of the connecting wires having an external connecting terminal and an inner connecting terminal opposite to the external connecting terminal, the conductive pads being respectively configured in the external connecting terminal, and a terminal of the first conductive wires being electrically connected to the inner connecting terminals.

13. The touch panel as claimed in claim 1, wherein one of the first conductive film and the second conductive film comprises a carbon nanotube film.

14. A touch panel, comprising:

a first insulation substrate having a first conductive film contacting with the first insulation substrate;

a first insulation layer covering a portion of a periphery of the first conductive film so that the first conductive film has a first exposed region;

a plurality of first conductive wires separately disposed at the periphery of the first conductive film, and each of the first conductive wires comprising;

a first electrode segment contacting with the first exposed region to be electrically connected to the first conductive film; and

a first extending segment contacting with the first insulation layer to be isolated from the first conductive film;

a second insulation substrate having a second conductive film thereon contacting with the second insulation substrate; and

a plurality of second conductive wires separately disposed on a periphery of the second conductive film;

wherein the first insulation substrate is for connecting with an external circuit.

15. The touch panel as claimed in claim 14, wherein the second insulation substrate is more adjacent to a touch surface of the touch panel than the first insulation substrate is.

16. The touch panel as claimed in claim 14, wherein the second insulation substrate is a decorative substrate having patterns, characters, or a combination thereof.

17. The touch panel as claimed in claim 14, wherein the first insulation layer comprises:

a first sub-insulation layer;

a second sub-insulation layer, the first sub-insulation layer and the second sub-insulation layer being respectively disposed at two opposite margins of the first conductive film; and

a third sub-insulation layer disposed on a margin of the first conductive film and connecting with the first sub-insulation layer and the second sub-insulation layer.

18. The touch panel as claimed in claim 17, further comprising a plurality of conductive pads separately disposed on the first sub-insulation layer, the conductive pads being not electrically connected with the first conductive wires, and the second conductive wires being respectively electrically connected to the external circuit through the conductive pads.

19. The touch panel as claimed in claim 18, further comprising a plurality of connecting wires, each of the connecting wires having an external connecting terminal and an inner connecting terminal opposite to the external connecting terminal, the conductive pads being respectively configured in the external connecting terminal, and a terminal of the second conductive wires being electrically connected to the inner connecting terminals.

20. The touch panel as claimed in claim 19, wherein a portion of one of the connecting wires is disposed above the third sub-insulation layer and one of the first conductive wires.

21. The touch panel as claimed in claim 19, wherein a portion of one of the connecting wires is disposed above the third sub-insulation layer and adjacent to one of the first conductive wires.

22. The touch panel as claimed in claim 14, wherein one of the first conductive film and the second conductive film comprises a carbon nanotube film.

23. A touch panel, comprising:

a first insulation substrate having a first conductive film contacting with the first insulation substrate, the first conductive film having a first region and a plurality of second regions, and the first region and the second regions being separated from one another;

a plurality of first conductive wires separately disposed at a periphery of the first conductive film, and each of the first conductive wires comprising;

a first electrode segment contacting with the first region to be electrically connected to the first region; and

a first extending segment contacting with one of the second regions.

a second insulation substrate having a second conductive film contacting with the second insulation substrate; and

a plurality of second conductive wires separately disposed on a periphery of the second conductive film;

wherein the first insulation substrate is for connecting with an external circuit.

24. The touch panel as claimed in claim 23, further comprising:

an insulation layer covering a portion of the periphery of the first conductive film and covering a portion of one of the first conductive wires; and

a plurality of connecting wires, one of the connecting wires being disposed on the insulation layer and extended from a corner of the first conductive film to an adjacent corner thereof, the connecting wire and the first electrode segment of the first conductive wire covered by the insulation layer being respectively disposed at two opposite sides of the insulation layer, each of the connecting wires having an external connecting terminal and an inner connecting terminal, and the inner connecting terminal being respectively electrically connected to the second conductive wires.

25. The touch panel as claimed in claim 24, wherein another one of the connecting wires is disposed on one of the second regions.

26. The touch panel as claimed in claim 23, further comprising:

a plurality of connecting wires disposed on two or more of the second regions, wherein one of the connecting wires is extended from a corner of the first conductive film to an adjacent corner thereof, the connecting wires and one of the first conductive wires are disposed at a same side of the first insulation substrate, each of the connecting wires has an external connecting terminal and an inner connecting terminal, and the inner connecting terminals are respectively electrically connected to the second conductive wires.

27. The touch panel as claimed in claim 23, wherein one of the first conductive film and the second conductive film comprises a carbon nanotube film.