# US 10,503,304 B2 · Display apparatus with touch detection function and electronic apparatus

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- Number: US 10,503,304 B2
- Document ID: US10503304B2
- Status: Granted
- Kind: B2
- Application number: 16/205,901
- Filed: 2018-11-30
- Published: 2019-04-11
- Granted: 2019-12-10
- Earliest claimed: 2013-12-16
- Assignees: Japan Display Inc.
- Applicants: Japan Display Inc.
- Inventors: Hayato Kurasawa; Koji Ishizaki
- Web page: https://patentgrep.com/patent/US10503304B2

## CPC

- G06F 3/0412: {Digitisers structurally integrated in a display}
- G06F 3/04166: {Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving (Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184)}
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- G06F 3/047: using sets of wires, e.g. crossed wires
- G09G 3/36: using liquid crystals
- G09G 5/18: Timing circuits for raster scan displays (specially adapted for television H04N {; synchronisation between the display unit and other display units, videodisc player G09G5/12})
- G09G 2300/0413: Details of dummy pixels or dummy lines in flat panels
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2320/0266: Reduction of sub-frame artefacts
- 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 display apparatus with a touch detection function includes: a substrate; a display area including a plurality of pixels; a touch detection electrode including a plurality of small electrode portions; a plurality of wiring portions electrically coupling the small electrode portions to a terminal portion formed; and a plurality of drive electrodes forming capacitance between the drive electrodes and the touch detection electrode. The small electrode portions each include one conductive thin wire in which one first thin wire segment and one second thin wire segment are coupled in a first direction, the first thin wire segment makes a first angle with respect to the first direction, the second thin wire segment makes a second angle with respect to the first direction, and the wiring portions each include the one first thin wire segment and the one second thin wire segment that are coupled in the first direction.

## Claims

### Claim 1

A display apparatus comprising:
a substrate;
a plurality of pixels arranged on the substrate;
a plurality of detection electrodes each including a first side and a second side, the detection electrodes comprising
a first detection electrode and
a second detection electrode adjacent to the first detection electrode in a first direction; and
a plurality of detection signal wires comprising
a first detection signal wire coupled to the first side of the first detection electrode and extending in a second direction that crosses to the first direction and
a second detection signal wire coupled to the second side of the second detection electrode and extending in the second direction,
wherein each of the detection electrodes and the detection signal wires comprises
a first thin wire segment extending at a first angle with respect to the second direction, and
a second thin wire segment extending at a second angle different from the first angle with respect to the second direction.

### Claim 2 (depends on 1)

The display device according to claim 1,
wherein the detection electrodes further comprise
a third detection electrode adjacent to the first detection electrode in the second direction, and
wherein the detection signal wires further comprise
a third detection signal wire coupled to the second side of the third detection electrode and arranged between the first detection electrode and the second detection electrode.

### Claim 3 (depends on 2)

The display device according to claim 2,
wherein the detection electrodes further comprise
a fourth detection electrode adjacent to the second detection electrode in the second direction, and
wherein the detection signal wires further comprise
a fourth detection signal wire coupled to the first side of the fourth detection electrode and arranged so as not to extend between the first detection electrode and the second detection electrode.

### Claim 4 (depends on 3)

The display device according to claim 3,
wherein the detection electrodes further comprise
a fifth detection electrode adjacent to the fourth detection electrode in the second direction, and
wherein the second detection signal wire is coupled to the second side of the fifth detection electrode.

### Claim 5 (depends on 2)

The display device according to claim 2,
wherein each of the detection signal wires has a terminal coupled to a detection circuit, and
wherein the first detection electrode is farthest from the terminal of the first detection signal wire among the detection electrodes.

### Claim 6 (depends on 2)

The display device according to claim 2,
wherein the detection electrodes further comprises
a sixth detection electrode adjacent to the third detection electrode in the second direction, and
wherein the detection signal wires further comprise
a fifth detection signal wire coupled to the first side of the sixth detection electrode.

### Claim 7 (depends on 6)

The display device according to claim 6,
wherein the detection electrodes further comprise
a seventh detection electrode adjacent to the sixth detection electrode in the second direction, and
wherein the third detection signal wire is coupled to the second side of the seventh detection electrode.

### Claim 8 (depends on 1)

The display device according to claim 1,
wherein the detection electrodes further comprise
a fourth detection electrode adjacent to the second detection electrode in the second direction, and
wherein the detection signal wires further comprise
a fourth detection signal wire coupled to the first side of the fourth detection electrode.

### Claim 9 (depends on 8)

The display device according to claim 8,
wherein the detection electrodes further comprise
a fifth detection electrode adjacent to the fourth detection electrode in the second direction, and
wherein the second detection signal wire is coupled to the second side of the fifth detection electrode.

### Claim 10 (depends on 1)

The display device according to claim 1,
wherein the first thin wire segment and the second thin wire segment form a bending segment.

### Claim 11 (depends on 1)

The display device according to claim 1,
wherein each of the detection electrodes further comprises
a third thin wire segment extending at the first angle with respect to the second direction, and
a fourth thin wire segment extending at the second angle different from the first angle with respect to the second direction, and
wherein the first thin wire segment, the second thin wire segment, the third thin wire segment, and the fourth thin wire segment form a quadrilateral.

### Claim 12

A display apparatus comprising:
a substrate;
a plurality of pixels arranged on the substrate;
a plurality of detection electrodes each including a first side and a second side, the detection electrodes comprising
a first detection electrode,
a second detection electrode adjacent to the first detection electrode in a first direction, and
a third detection electrode adjacent to the first detection electrode in a second direction that crosses the first direction;
a plurality of detection signal wires comprising
a first detection signal wire coupled to the second side of the first detection electrode and extending in the second direction and
a third detection signal wire coupled to the first side of the third detection electrode and extending in the second direction; and
a dummy electrode arranged between the first detection electrode and the second detection electrode,
wherein each of the detection electrodes and the detection signal wires comprises
a first thin wire segment extending at a first angle with respect to the second direction and
a second thin wire segment extending at a second angle different from the first angle with respect to the second direction.

### Claim 13 (depends on 12)

The display device according to claim 12,
wherein the detection signal wires further comprise a second detection signal wire coupled to the second side of the second detection electrode and extending in the second direction.

### Claim 14 (depends on 12)

The display device according to claim 12,
wherein the detection electrodes further comprise
a fourth detection electrode adjacent to the second detection electrode in a second direction,
wherein the detection signal wires further comprise
a second detection signal wire coupled to the second side of the second detection electrode and extending in the second direction and
a fourth detection signal wire coupled to the first side of the fourth detection electrode and extending in the second direction.

### Claim 15 (depends on 12)

The display device according to claim 12,
wherein the dummy electrode includes at least one of
a first dummy wire segment extending at the first angle with respect to the second direction and
a second dummy wire segment extending at the second angle with respect to the second direction.

### Claim 16

A detection device comprising:
a substrate;
a plurality of detection electrodes each including a first side and a second side and arranged on the substrate, the detection electrodes comprising
a first detection electrode,
a second detection electrode adjacent to the first detection electrode in a first direction, and
a third detection electrode adjacent to the first detection electrode in a second direction crossing to the first direction;
a plurality of detection signal wires comprising
a first detection signal wire coupled to the second side of the first detection electrode and extending in the second direction and
a third detection signal wire coupled to the first side of the third detection electrode and extending in the second direction; and
a dummy electrode arranged between the first detection electrode and the second detection electrode,
wherein each of the detection electrodes and the detection signal wires comprises
a first thin wire segment extending at a first angle with respect to the second direction and
a second thin wire segment extending at a second angle different from the first angle with respect to the second direction.

### Claim 17 (depends on 16)

The display device according to claim 16,
wherein the detection signal wires further comprise a second detection signal wire coupled to the second side of the second detection electrode and extending in the second direction.

### Claim 18 (depends on 16)

The display device according to claim 16,
wherein the detection electrodes further comprise
a fourth detection electrode adjacent to the second detection electrode in a second direction,
wherein the detection signal wires further comprise
a second detection signal wire coupled to the second side of the second detection electrode and extending in the second direction and
a fourth detection signal wire coupled to the first side of the fourth detection electrode and extending in the second direction.

### Claim 19 (depends on 16)

The display device according to claim 16,
wherein the dummy electrode includes at least one of
a first dummy wire segment extending at the first angle with respect to the second direction and
a second dummy wire segment extending at the second angle with respect to the second direction.
