TOUCH SENSOR MODULE

• US 20150277604A1
• Filed: 01/30/2015
• Published: 10/01/2015
• Est. Priority Date: 03/27/2014
• Status: Abandoned Application

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: CHOI, Young An, CHAE, Kyoung Soo, LEE, Ji Soo, HONG, Yun Ki, HAN, Seung Hoon
• Application Number:
  US14/609,669
• Publication Number:
  US 20150277604A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 3/04164 Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
• 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
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

Embodiments of the invention provide a touch sensor module including a base substrate having electrode patterns formed thereon and including electrode pads transferring electrical signals of the electrode patterns to the outside, a flexible cable including an adhesive layer contacting one surface of the electrode pad and formed to transfer the electrical signal, and a curvature adhesive having an end portion of one side formed to be in contact with the base substrate and an end portion of the other side formed to be in contact with the flexible cable.

Claims

1. A touch sensor module, comprising:

a base substrate comprising electrode patterns formed thereon and comprising electrode pads transferring electrical signals of the electrode patterns to the outside;

a flexible cable comprising an adhesive layer contacting one surface of the electrode pad and formed to transfer the electrical signal; and

a curvature adhesive comprising an end portion of one side formed to be in contact with the base substrate and an end portion of the other side formed to be in contact with the flexible cable.

2. The touch sensor module of claim 1, wherein an end portion of one side of the flexible cable is formed to be in contact with one surface of the electrode pad and an end portion of the other side of the flexible cable is formed to be electrically connected to a controlling unit and an electronic part while having a curvature.

3. The touch sensor module of claim 1, wherein the adhesive layer is made of an anisotropic conductive film (ACF) or an anisotropic conductive adhesive (ACA).

4. The touch sensor module of claim 2, wherein a material of the curvature adhesive uses an optical clear adhesive (OCA) or a double adhesive tape (DAT).

5. The touch sensor module of claim 4, wherein the curvature adhesive is formed to surround the end portion of one side of the flexible cable and is formed to be adhered to the base substrate.

6. A touch sensor module, comprising:

a window substrate;

a base substrate formed to face the window substrate and comprising electrode patterns formed thereon;

a flexible cable formed on an end portion of one side of the base substrate and formed to transfer an electrical signal; and

a curvature adhesive comprising an end portion of one side formed on the base substrate and an end portion of the other side formed to be in contact with the flexible cable.

7. The touch sensor module of claim 6, wherein the base substrate comprises the electrode patterns formed on the other surface facing the window substrate.

8. The touch sensor module of claim 7, wherein an end portion of one side of the flexible cable is formed to be in contact with the electrode pad electrically connected to the electrode pattern and an end portion of the other side of the flexible cable is formed to be electrically connected to an electronic part disposed to face the window substrate.

9. The touch sensor module of claim 7, wherein a material of the curvature adhesive uses an optical clear adhesive (OCA) or a double adhesive tape (DAT).

10. The touch sensor module of claim 7, wherein the curvature adhesive is formed to surround an end portion of one side of the flexible cable and is formed to be adhered to the base substrate.

11. The touch sensor module of claim 7, further comprising:

an adhesive layer formed between the base substrate and the flexible cable and transferring the electrical signal.

12. The touch sensor module of claim 11, wherein the adhesive layer is made of an anisotropic conductive film (ACF) or an anisotropic conductive adhesive (ACA).

13. The touch sensor module of claim 6, wherein the base substrate comprises one surface having a first electrode pattern formed thereon and a first electrode pad transferring an electrical signal of the first electrode pattern to the outside, and the other surface having a second electrode pattern formed thereon and a second electrode pad transferring an electrical signal of the second electrode pattern to the outside.

14. The touch sensor module of claim 13, wherein a material of the curvature adhesive uses an optical clear adhesive (OCA) or a double adhesive tape (DAT).

15. The touch sensor module of claim 13, wherein the curvature adhesive is formed to surround an end portion of one side of the flexible cable and is formed to be adhered to the base substrate.

16. The touch sensor module of claim 13, further comprising:

an adhesive layer formed between the base substrate and the flexible cable and transferring the electrical signal.

17. The touch sensor module of claim 16, wherein the adhesive layer is made of an anisotropic conductive film (ACF) or an anisotropic conductive adhesive (ACA).