# US 9,437,155 B2 · Touch sensing device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 9,437,155 B2
- Document ID: US9437155B2
- Status: Granted
- Kind: B2
- Application number: 14/622,907
- Filed: 2015-02-15
- Published: 2015-06-11
- Granted: 2016-09-06
- Earliest claimed: 2009-04-15
- Assignees: Industrial Technology Research Institute
- Applicants: Industrial Technology Research Institute
- Inventors: Chen-Pang Kung; Yu-Jen Chen; Chen-Wei Lin
- Web page: https://patentgrep.com/patent/US9437155B2

## CPC

- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/042: by opto-electronic means
- G09G 5/00: Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T)
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
- 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
- G09G 2300/0426: Layout of electrodes and connections
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

A touch sensing device is provided. The device includes a substrate; a plurality of first electrodes formed on the substrate and arranged along a first direction without overlapping one another; a first insulating layer formed on the substrate and covering the plurality of first electrodes; and a plurality of second electrodes formed on the first insulating layer and arranged along a second direction without overlapping one another, wherein the first direction is vertical to the second direction.

## Claims

### Claim 1

A touch sensing device, comprising:
a substrate;
a wire layer comprising a plurality of wires formed on the substrate;
a first insulating layer formed on the wire layer and a plurality of cavities are formed on the first insulating layer;
a plurality of first electrodes and a plurality of second electrodes formed on the substrate and arranged along a first direction and a second direction without overlapping one another, and the first electrodes are connected by the plurality of wires via the plurality of cavities;
a protecting layer formed on the first insulating layer and covering the plurality of first electrodes and second electrodes,
wherein each of the first electrodes has a first top surface facing away from the substrate, a first bottom surface facing the substrate, and a first side surface connecting the first top surface and the first bottom surface, each of the second electrodes has a second top surface facing away from the substrate, a second bottom surface facing the substrate, and a second side surface connecting the second top surface and the second bottom surface, the first insulating layer covers the first bottom surface, the first side surface, the second bottom surface and the second side surface and exposes the first top surface and the second top surface, the protecting layer covers the first top surface and the second top surface;
a material layer formed on the wire layer and comprising a second insulating layer or an adhesive layer;
a plurality of layer pairs formed on the material layer and configured to raise interference-proofing, water-proofing and optical performance, wherein the layer pairs are formed on the material layer in sequence, and each of the layer pairs comprises a third electrode layer and a third insulating layer formed in sequence from a side adjacent to the material layer to another side away from the material layer; and
another third electrode layer formed on the layer pairs,
wherein the first direction is orthogonal to the second direction, the first electrodes and the second electrodes are configured to sense capacitance variation in respond to a conductor indirectly touching at least one of the first electrodes and the second electrodes.

### Claim 2 (depends on 1)

The touch sensing device as claimed in claim 1, further comprising the conductor, wherein the first electrodes and the second electrodes are used to sense total capacitance variation according to the conductor indirectly touching at least one of the first electrodes and the second electrodes.

### Claim 3 (depends on 1)

The touch sensing device as claimed in claim 1, wherein when the third electrode layer formed on the material layer, the material layer is the second insulating layer.

### Claim 4 (depends on 3)

The touch sensing device as claimed in claim 3, wherein the second insulating layer, the layer pairs and the another third electrode layers form an isolating layer.

### Claim 5 (depends on 4)

The touch sensing device as claimed in claim 4, wherein the isolating layer is located between the wire layer and the substrate.

### Claim 6 (depends on 5)

The touch sensing device as claimed in claim 5, further comprising an adhesive layer formed on the substrate.

### Claim 7 (depends on 6)

The touch sensing device as claimed in claim 6, wherein a display device is disposed directly on the adhesive layer of the touch sensing device.
