# US 11,907,457 B2 · Electronic device

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- Number: US 11,907,457 B2
- Document ID: US11907457B2
- Status: Granted
- Kind: B2
- Application number: 17/994,370
- Filed: 2022-11-27
- Published: 2023-03-23
- Granted: 2024-02-20
- Earliest claimed: 2019-11-20
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., LTD.
- Inventors: Wonjun Choi; Il-Joo Kim; Deokjung Kim
- Web page: https://patentgrep.com/patent/US11907457B2

## CPC

- 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 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality}
- H10K 59/40: OLEDs integrated with touch screens
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- 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 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
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 77/10: Substrates, e.g. flexible substrates
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An electronic device including an electronic module, a sensing unit divided into a hole area overlapping the electronic module, an active area surrounding the hole area, and a peripheral area adjacent to the active area. A first sensing electrode and a second sensing electrode are disposed in the active area and insulated from each other. The first sensing electrode includes first main patterns, first neighboring patterns having a smaller area than the first main patterns, and a hole pattern connected to the adjacent first neighboring patterns. The second sensing electrode includes second main patterns, second neighboring patterns adjacent the hole area and having a smaller area than the second main patterns, second connection patterns connected to the second main patterns, and a routing pattern connected to the adjacent second neighboring patterns. The hole pattern is disposed in the hole area, and the routing pattern is disposed in the peripheral area.

## Claims

### Claim 1

An electronic device comprising:
an electronic module; and
a sensing unit detecting an external input, the sensing unit being divided into a hole area overlapping the electronic module, an active area surrounding the hole area, and a peripheral area adjacent to the active area and including a first sensing electrode and a second sensing electrode disposed in the active area and spaced apart from each other,
wherein:
the first sensing electrode comprises first main patterns, first neighboring patterns having a shape different from a shape of the first main patterns, and a hole pattern connected to the adjacent first neighboring patterns;
the second sensing electrode comprises second main patterns, second neighboring patterns adjacent the hole area and having a shape different from a shape of the second main patterns, second connection patterns connected to the second main patterns, and a routing pattern connected to the adjacent second neighboring patterns; and
the hole pattern is disposed in the hole area, and the routing pattern is disposed in the peripheral area.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein:
the first peripheral patterns have areas smaller than areas of the first main patterns; and
the second peripheral patterns have areas smaller than areas of the second main patterns.

### Claim 3 (depends on 1)

The electronic device of claim 1, wherein the hole pattern extends along the boundary of the hole area and the active area.

### Claim 4 (depends on 1)

The electronic device of claim 1, wherein the routing pattern extends along the boundary of the active area and the peripheral area.

### Claim 5 (depends on 1)

The electronic device of claim 1, wherein the routing pattern extends in the same direction as the direction in which the second neighboring patterns are arranged.

### Claim 6 (depends on 1)

The electronic device of claim 1, wherein:
the sensing unit is defined by a first detection insulating layer, a first conductive layer disposed on the first detection insulating layer, a second detection insulating layer covering the first conductive layer and having a plurality of defined first contact holes overlapping the active area, and a second conductive layer disposed on the second detection insulating layer;
the second connection patterns are comprised in the first conductive layer;
the first main patterns, the first neighboring patterns, the second main patterns, and the second neighboring patterns are comprised in the second conductive layer; and
the second connection patterns are connected to the second main patterns through the first contact holes.

### Claim 7 (depends on 6)

The electronic device of claim 6, wherein the routing pattern is disposed on the same layer as the first neighboring patterns.

### Claim 8 (depends on 6)

The electronic device of claim 6, the hole pattern is disposed on the same layer as the second neighboring patterns.

### Claim 9 (depends on 1)

The electronic device of claim 1, wherein the electronic device further comprises a crack detection circuit comprising:
a crack detection line disposed in the peripheral area;
a crack detection pattern disposed in the hole area; and
a connection line connecting the crack detection line and the crack detection pattern.

### Claim 10 (depends on 9)

The electronic device of claim 9, wherein the electronic device further comprises an antistatic pattern disposed in the hole area and disposed between the crack detection pattern and the hole pattern.

### Claim 11 (depends on 9)

The electronic device of claim 9, wherein the hole pattern surrounds at least a portion of the crack detection pattern.

### Claim 12 (depends on 1)

The electronic device of claim 1, wherein each of the first sensing electrode and the second sensing electrode comprises mesh lines defining mesh opening parts.

### Claim 13 (depends on 12)

The electronic device of claim 12, wherein:
each of the second main patterns comprises a center pattern extending in one direction and branch patterns connected to the center pattern and extending in diagonal directions of the one direction; and
each of the first main patterns surrounds a portion of the center pattern of a corresponding second main pattern among the second main patterns and the branch patterns.

### Claim 14 (depends on 1)

The electronic device of claim 1, wherein:
the electronic device further comprises a display unit disposed under the sensing unit and including first electrodes, a second electrode facing the first electrodes, and light emitting layers disposed between the first electrodes and the second electrode; and
each of the light emitting layers overlaps the corresponding mesh opening parts.

### Claim 15 (depends on 14)

The electronic device of claim 14, the electronic device further comprises a module hole defined through at least a portion of the display unit and the sensing unit overlapping the hole area.

### Claim 16 (depends on 15)

The electronic device of claim 15, wherein:
the electronic module comprises a first electronic module and a second electronic module; and
the module hole comprises a first module hole overlapping the first electronic module and a second module hole overlapping the second electronic module.

### Claim 17 (depends on 16)

The electronic device of claim 16, wherein the electronic module comprises at least one of an image input module, an image output module, an optical detection module, and an optical output module.