# US 2014/0197018 A1 · Touch panel

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- Number: US 2014/0197018 A1
- Document ID: US20140197018A1
- Status: Published application
- Kind: A1
- Application number: 13/746,261
- Filed: 2013-01-21
- Published: 2014-07-17
- Earliest claimed: 2013-01-11
- Assignees: HengHao Technology Co. LTD
- Applicants: Henghao Technology Co. Ltd
- Inventors: CHI-AN CHEN
- Web page: https://patentgrep.com/patent/US20140197018A1

## CPC

- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- H03K 17/9622: {using a plurality of detectors, e.g. keyboard}
- G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H03K: PULSE TECHNIQUE (measuring pulse characteristics G01R; modulating sinusoidal oscillations with pulses H03C; transmission of digital information H04L; discriminator circuits detecting phase difference between two signals by counting or integrating cycles of oscillation H03D3/04; automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses where the type of generator is irrelevant or unspecified H03L; coding, decoding or code conversion, in general H03M)

## Abstract

A touch panel includes a first electrode layer and a second electrode layer disposed above a transparent substrate. At least one transparent insulating layer is disposed between the first electrode layer and the second electrode layer. The electrode pattern of the first electrode layer has more than four sides, and the electrode pattern of the second electrode layer substantially complements the electrode pattern of the first electrode layer.

## Claims

### Claim 1

A touch panel, comprising:
a transparent substrate;
a first electrode layer disposed above the transparent substrate, the first electrode layer including a plurality of first electrode lines that are disposed in parallel, each of the first electrode lines including a plurality of first electrodes that are connected in series via first interconnect elements;
at least one transparent insulating layer disposed above the first electrode layer; and
a second electrode layer disposed above the at least one transparent insulating layer, the second electrode layer including a plurality of second electrode lines that are disposed in parallel, each of the second electrode lines including a plurality of second electrodes that are connected in series via second interconnect elements;
wherein the first electrodes have a shape having more than four sides, and the second electrodes have a shape that substantially complements the shape of the first electrodes.

### Claim 2 (depends on 1)

The touch panel of claim 1, wherein the transparent substrate comprises glass, Polycarbonate (PC), Polyethylene terephthalate (PET), Polyethylen (PE), Poly vinyl chloride (PVC), Poly propylene (PP), Poly styrene (PS), Polymethyl methacrylate (PMMA) or Cyclic olefin copolymer (COC).

### Claim 3 (depends on 1)

The touch panel of claim 1, wherein the first electrodes have a six-sided shape.

### Claim 4 (depends on 1)

The touch panel of claim 1, wherein a gap between neighboring first electrode and second electrode is less than 30 micrometers.

### Claim 5 (depends on 1)

The touch panel of claim 1, wherein the first electrode layer or the second electrode layer comprises a light-transmissive structure made of a non-transparent material.

### Claim 6 (depends on 5)

The touch panel of claim 5, wherein the non-transparent material comprises metal nanowires or metal nanonets.

### Claim 7 (depends on 5)

The touch panel of claim 5, further comprising an insulating layer disposed on a surface of the non-transparent material.

### Claim 8 (depends on 5)

The touch panel of claim 5, wherein one of the first electrode layer and the second electrode layer comprises a light-transmissive structure made of a transparent material.

### Claim 9 (depends on 8)

The touch panel of claim 8, wherein the transparent material comprises indium tin oxide (ITO), indium zinc oxide (IZO), Al-doped ZnO (AZO) or antimony tin oxide (ATO).

### Claim 10 (depends on 1)

The touch panel of claim 1, wherein the transparent insulating layer comprises an anti-split, film (ASF).

### Claim 11 (depends on 1)

The touch panel of claim 1, further comprising a cover layer disposed above the second electrode layer.