# US 2020/0401276 A1 · Input-sensing unit and electronic apparatus including the same

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- Number: US 2020/0401276 A1
- Document ID: US20200401276A1
- Status: Published application
- Kind: A1
- Application number: 16/904,953
- Filed: 2020-06-18
- Published: 2020-12-24
- Earliest claimed: 2019-06-20
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Sung-Jin Yang; Kicheol Kim; Hyunsik Park; Chungi You
- Web page: https://patentgrep.com/patent/US20200401276A1

## CPC

- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- G06F 3/0412: {Digitisers structurally integrated in a display}
- G06F 3/044: by capacitive means
- G06F 3/0443: {using a single layer of sensing electrodes}
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality}
- G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

An input-sensing unit includes first sensing electrodes, second sensing electrodes, first sensing lines, second sensing lines, third sensing lines, and bridge patterns. The second sensing electrodes are electrically insulated from the first sensing electrodes. The first sensing lines are respectively connected to the first sensing electrodes. The second sensing lines are respectively connected to first ends of the second sensing electrodes. The third sensing lines are respectively connected to second ends of the second sensing electrodes. The second ends oppose the first ends. The bridge patterns are respectively connected to the third sensing lines. The bridge patterns are closer to the first ends than to the second ends. The bridge patterns extend in a direction parallel to the third sensing lines.

## Claims

### Claim 1

An input-sensing unit, comprising:
first sensing electrodes;
second sensing electrodes electrically insulated from the first sensing electrodes;
first sensing lines respectively connected to the first sensing electrodes;
second sensing lines respectively connected to first ends of the second sensing electrodes;
third sensing lines respectively connected to second ends of the second sensing electrodes, the second ends opposing the first ends; and
bridge patterns respectively connected to the third sensing lines,
wherein the bridge patterns are closer to the first ends than to the second ends, and
wherein the bridge patterns extend in a direction parallel to the third sensing lines.

### Claim 2 (depends on 1)

The input-sensing unit of claim 1, wherein the bridge patterns extend in a direction crossing the second sensing lines.

### Claim 3 (depends on 2)

The input-sensing unit of claim 2, wherein the bridge patterns are disposed on at least some of the second sensing lines.

### Claim 4 (depends on 1)

The input-sensing unit of claim 1, wherein the first sensing lines and the second sensing lines are disposed on a same layer as the third sensing lines.

### Claim 5 (depends on 4)

The input-sensing unit of claim 4, wherein:
each of the first sensing electrodes comprises:
first sensing patterns; and
first connection patterns disposed between and connecting adjacent first sensing patterns among the first sensing patterns;
each of the second sensing electrodes comprises:
second connection patterns disposed on a different layer than the first connection patterns; and
second sensing patterns connected to the second connection patterns;
the bridge patterns are disposed on a same layer as a layer on which one of the first connection patterns and the second connection patterns is disposed; and
the third sensing lines are disposed on a same layer as a layer on which the other of the first connection patterns and the second connection patterns is disposed.

### Claim 6 (depends on 1)

The input-sensing unit of claim 1, further comprising:
first pads respectively connected to the first sensing lines; and
second pads respectively connected to the second sensing lines,
wherein, in a plan view, the second pads are spaced apart from the third sensing lines.

### Claim 7 (depends on 6)

The input-sensing unit of claim 6, wherein each of the bridge patterns extends in a direction parallel to an arrangement direction of the first pads and the second pads.

### Claim 8 (depends on 1)

The input-sensing unit of claim 1, wherein the bridge patterns have a same shape as one another.

### Claim 9 (depends on 8)

The input-sensing unit of claim 8, wherein:
each of the bridge patterns is electrically connected to each of the second sensing lines; and
in a plan view, each of the bridge patterns overlaps with all of the second sensing lines.

### Claim 10 (depends on 1)

The input-sensing unit of claim 1, wherein, in a plan view, each of the bridge patterns overlaps a different number of the second sensing lines.

### Claim 11 (depends on 1)

The input-sensing unit of claim 1, wherein each of the bridge patterns comprises transparent conductive oxide.

### Claim 12 (depends on 1)

The input-sensing unit of claim 1, wherein each of the third sensing lines comprises metal.

### Claim 13

An electronic apparatus, comprising:
a display unit comprising a base substrate, and pixels disposed on the base substrate; and
an input-sensing unit disposed on the display unit, the input-sensing unit comprising:
sensing electrodes;
first sensing lines respectively connected to first ends of the sensing electrodes;
second sensing lines respectively connected to second ends of the sensing electrodes, the second ends opposing the first ends; and
bridge patterns crossing at least some of the first sensing lines and being respectively connected to the second sensing lines,
wherein the bridge patterns are closer to the first ends than to the second ends, and
wherein the bridge patterns are respectively disposed on the second sensing lines.

### Claim 14 (depends on 13)

The electronic apparatus of claim 13, wherein, in a plan view, the bridge patterns overlap with the first sensing lines.

### Claim 15 (depends on 14)

The electronic apparatus of claim 14, wherein each of the bridge patterns extends in a direction parallel to an extension direction of each of the second sensing lines.

### Claim 16 (depends on 13)

The electronic apparatus of claim 13, wherein:
each of the bridge patterns comprises transparent conductive oxide; and
each of the second sensing lines comprises metal.

### Claim 17 (depends on 13)

The electronic apparatus of claim 13, wherein a shortest distance between one of the first sensing lines, which is most adjacent to the second sensing lines, and the second sensing lines is greater than or equal to about 10 μm.

### Claim 18 (depends on 13)

The electronic apparatus of claim 13, further comprising:
sensing pads respectively connected to the first sensing lines,
wherein, in a plan view, the sensing pads are spaced apart from the second sensing lines.

### Claim 19 (depends on 18)

The electronic apparatus of claim 18, wherein the sensing pads are disposed on the base substrate.

### Claim 20 (depends on 18)

The electronic apparatus of claim 18, wherein the sensing pads are disposed on the display unit.

### Claim 21 (depends on 13)

The electronic apparatus of claim 13, wherein each of the bridge patterns extends in a direction parallel to the second sensing lines.
