CONDUCTIVE FABRIC AND METHOD FOR FORMING THE SAME

• US 20110073353A1
• Filed: 09/29/2009
• Published: 03/31/2011
• Est. Priority Date: 09/29/2009
• Status: Abandoned Application

• Current Assignee: King's Metal Fiber Technologies Co., Ltd.
• Original Assignee: King's Metal Fiber Technologies Co., Ltd., Tex-Ray Industrial Co.,Ltd.
• Inventors: LEE, James, HUANG, Hong Hsu
• Application Number:
  US12/569,882
• Publication Number:
  US 20110073353A1
• Time in Patent Office: Days
• US Class Current: 174/254
• CPC Class Codes: D03D 1/0088 Fabrics having an electronic function
• CPC Class Codes: D03D 11/00 Double or multi-ply fabrics not otherwise provided for
• CPC Class Codes: D03D 15/00 Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
• CPC Class Codes: D03D 15/217 natural from plants, e.g. cotton
• CPC Class Codes: D03D 15/283 synthetic polymer-based, e.g. polyamide or polyester fibres cellulose-based artificial fibres D03D15/225
• CPC Class Codes: D03D 15/47 multicomponent, e.g. blended yarns or threads multicomponent fibres or filaments D03D15/292
• CPC Class Codes: D10B 2101/12 Carbon; Pitch
• CPC Class Codes: D10B 2101/20 Metallic fibres
• CPC Class Codes: D10B 2201/02 Cotton
• CPC Class Codes: D10B 2331/04 polyesters, e.g. polyethylene terephthalate [PET]
• CPC Class Codes: D10B 2331/10 polyurethanes
• CPC Class Codes: D10B 2401/16 antistatic; conductive
• CPC Class Codes: D10B 2401/18 including electronic components
• CPC Class Codes: Y10T 442/3073 Strand material is core-spun [not sheath-core bicomponent strand]
• CPC Class Codes: Y10T 442/3472 Woven fabric including an additional woven fabric layer

Abstract

A conductive fabric and a method for forming the same are provided. The conductive fabric comprises a first layer and a second layer. The first layer has at least one first conductive thread and a plurality of first non-conductive threads. The at least one first conductive thread is woven within the plurality of first non-conductive threads. The second layer has at least one second conductive thread and a plurality of second non-conductive threads. The at least one second conductive thread is woven within the plurality of second non-conductive threads. The first layer is woven with the second layer and insulated from the second layer so that an electronic component can be attached to and electrically connect to the at least one first conductive thread of the first layer and the at least one second conductive thread of the second layer.

Claims

1. A conductive fabric, comprising:

a first layer, having at least one first conductive thread and a plurality of first non-conductive threads, wherein the at least one first conductive thread is woven within the plurality of first non-conductive threads; and

a second layer, having at least one second conductive thread and a plurality of second non-conductive threads, wherein the at least one second conductive thread is woven within the plurality of second non-conductive threads;

wherein the first layer is woven with the second layer and insulated from the second layer so that an electronic component can be attached to and electrically connect to the at least one first conductive thread of the first layer and the at least one second conductive thread of the second layer respectively.

2. The conductive fabric of claim 1, wherein the first non-conductive threads comprise a first covering portion, the at least one first conductive thread is covered by the first covering portion to form at least one first cored yarn.

3. The conductive fabric of claim 2, wherein the second non-conductive threads comprise a second covering portion, the at least one second conductive thread is covered by the second covering portion to form at least one second cored yarn.

4. The conductive fabric of claim 3, wherein the at least one first cored yarn of the first layer and the at least one second cored yarn of the second layer are woven into warps and wefts.

5. The conductive fabric of claim 3, wherein the at least one first cored yarn of the first layer and the at least one second cored yarn of the second layer are woven in parallel.

6. The conductive fabric of claim 3, further comprising a plurality of third non-conductive threads for weaving the first layer and the second layer together.

7. The conductive fabric of claim 6, wherein the first non-conductive threads, the second non-conductive threads and the thirds threads are made from one or more components selected from the group consisting of polyester, PET, cotton, pure polyurethane polymer and their combinations.

8. The conductive fabric of claim 1, further comprising at least one insulation layer for covering one of the first layer and the second layer.

9. The conductive fabric of claim 1, wherein the at least one first conductive thread and the at least one second conductive thread are made by conductive fibers with electric conductivity.

10. The conductive fabric of claim 9, wherein the conductive fibers are made from one or more components selected from the group consisting of stainless steel fibers, carbon fibers, sputtered silver and their combinations.

11. A method for forming a conductive fabric, comprising:

weaving at least one first conductive thread within a plurality of first non-conductive threads to form a first layer with at least one first cored yarn;

weaving at least one second conductive thread within a plurality of second non-conductive threads to form a second layer with at least one second cored yarn; and

weaving the first layer and the second layer with a plurality of third non-conductive threads.

12. The method of claim 11, further comprising, providing at least one insulation layer for covering one of the first and the second layer.

13. A fabric circuit, comprising:

at least one electronic component; and

a conductive fabric, comprising;

a first layer, having at least one first conductive thread and a plurality of first non-conductive threads, wherein the at least one first conductive thread is woven within the plurality of first non-conductive threads; and

a second layer, having at least one second conductive thread and a plurality of second non-conductive threads, wherein the at least one second conductive thread is woven within the plurality of second non-conductive threads;

wherein the first layer is woven with the second layer and insulated from the second layer so that the at least one electronic component is attached to the conductive fabric and electrically connects to the at least one first conductive thread and the at least one second conductive thread.

14. The fabric circuit of claim 13, further comprising at least one conductive sewing thread.

15. The fabric circuit of claim 14, wherein each of the at least one electronic component has at least two leads for being sewed onto the conductive fabric by the at least one conductive sewing thread and each of the at least two leads of the electronic component electrically connects to the at least one first conductive thread and the at least one second conductive thread respectively.

16. The fabric circuit of claim 14, wherein the at least one electronic component is a light emitting diode, wherein the light emitting diode has two leads for being sewed onto the conductive fabric by the at least one conductive sewing thread and each of the two leads of the light emitting diode electrically connects to the at least one first conductive thread and the at least one second conductive thread respectively.

17. The fabric circuit of claim 13, wherein the first non-conductive threads comprise a first covering portion and the second non-conductive threads comprise a second covering portion, the at least one first conductive thread is covered by the first covering portion to form at least one first cored yarn and the at least one second conductive thread is covered by the second covering portion to form at least one second cored yarn.

18. The fabric circuit of claim 17, wherein the at least one first cored yarn of the first layer and the at least one second cored yarn of the second layer are woven into warps and wefts.

19. The fabric circuit of claim 18, wherein the at least one electronic component are attached to a position adjacent to a junction formed by the at least one first cored yarn intersecting the at least one second cored yarn.