# US 2019/0171075 A1 · Display device

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- Number: US 2019/0171075 A1
- Document ID: US20190171075A1
- Status: Published application
- Kind: A1
- Application number: 16/206,920
- Filed: 2018-11-30
- Published: 2019-06-06
- Earliest claimed: 2017-12-01
- Assignees: Sharp Kabushiki Kaisha
- Applicants: Sharp Kabushiki Kaisha
- Inventors: MASAHIRO YOSHIDA; MASAKATSU TOMINAGA
- Web page: https://patentgrep.com/patent/US20190171075A1

## CPC

- G02F 1/136259: {Repairing; Defects}
- G02F 1/1345: Conductors connecting electrodes to cell terminals
- G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels}
- G02F 1/136286: {Wiring, e.g. gate line, drain line}
- H05K 1/147: {at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence)}
- G02F 1/136263: {Line defects}
- G02F 1/136272: {Auxiliary lines}
- G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)}
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

A display device includes: display wires; first wires including first end portions overlapped with first end portions of the plurality of display wires via an insulating film; second wires including first end portions overlapped with second end portions of the display wires via the insulating film; third wires routed from second end portions of the first wires to second end portions of the second wires; a fourth wire overlapping with the second end portions of the first wires and first end portions of the third wires via the insulating film; and a fifth wire overlapping with the second end portions of the second wires and second end portions of the third wire via the insulating film.

## Claims

### Claim 1

A display device comprising:
a plurality of display wires;
a plurality of first wires including first end portions overlapped with first end portions of the plurality of display wires via an insulating film;
a plurality of second wires including first end portions overlapped with second end portions of the plurality of display wires via the insulating film;
a plurality of third wires routed from second end portions of the plurality of first wires to second end portions of the plurality of second wires;
a fourth wire overlapping with the second end portions of the plurality of first wires and first end portions of the plurality of third wires via the insulating film; and
a fifth wire overlapping with the second end portions of the plurality of second wires and second end portions of the plurality of third wires via the insulating film.

### Claim 2 (depends on 1)

The display device according to claim 1, wherein
the second end portions of the first wires and the first end portions of the third wires are arranged in parallel to each other and arranged in a direction crossing an extending direction in which the second end portions of the first wires and the first end of the third wire extend, and the second end portions of the second wires and the second end portions of the third wires are arranged in parallel to each other and arranged in a direction crossing an extending direction in which the second end portions of the second wires and the second end portions of the third wires extend, and
the fourth wire linearly extends to cross the extending direction of the second end portions of the first wires and the first end portions of the third wires, and the fifth wire linearly extends to cross the extending direction of the second end portions of the second wires and the second end portions of the third wires.

### Claim 3 (depends on 2)

The display device according to claim 2, wherein the second end portions of the plurality of first wires and the first end portions of the plurality of third wires are alternately arranged, and the second end portions of the plurality of second wires and the second end portions of the plurality of third wires are alternately arranged.

### Claim 4 (depends on 1)

The display device according to claim 1, wherein the insulating film interposed between the fourth wire and the second end portions of the first wires or the first end portions of the third wires, and the insulating film interposed between the fifth wire and the second end portions of the second wires or the second end portions of the third wires are each provided with a contact hole for connecting between any overlapping ones of the first to fifth wires having the insulating film interposed.

### Claim 5 (depends on 1)

The display device according to claim 1, further comprising:
a display substrate provided with at least the plurality of display wires and part of the plurality of first wires; and
a flexible printed circuit board provided with at least part of the plurality of first wires and connected to the display substrate.

### Claim 6 (depends on 5)

The display device according to claim 5, wherein the first end portions of the third wires and the fourth wire are arranged adjacent to the flexible printed circuit board in the display substrate.

### Claim 7 (depends on 5)

The display device according to claim 5, wherein
a plurality of the flexible printed circuit boards are connected to the display substrate while being arranged at a certain interval along an end of the display substrate,
the display device further comprising:
a printed circuit board connected to end portions of the plurality of flexible printed circuit boards, the end portions being on a side opposite to a display substrate side, the printed circuit board being provided with at least part of the plurality of first wires.

### Claim 8 (depends on 5)

The display device according to claim 5, wherein the flexible printed circuit board is provided with a display driver supplying a signal to the display wires.

### Claim 9 (depends on 1)

The display device according to claim 1, further comprising:
a display substrate provided with at least the plurality of display wires and a second display wire extending so as to cross the display wires; and
a second flexible printed circuit board provided with at least a second display driver supplying the second display wire with a signal and part of the plurality of third wires, the second flexible printed circuit board being connected to the display substrate.

### Claim 10 (depends on 9)

The display device according to claim 9, wherein
a plurality of the second flexible printed circuit boards are connected to the display substrate while being arranged at a certain interval along an end of the display substrate, and
the third wires are partially arranged at a portion between adjacent ones of the second flexible printed circuit boards in the display substrate.

### Claim 11 (depends on 10)

The display device according to claim 10, wherein the second end portions of the third wires and the fifth wire are arranged adjacent to one of the plurality of second flexible printed circuit boards in the display substrate, the one of the plurality of second flexible printed circuit boards being nearest to the second end portions of the second wires.

### Claim 12 (depends on 1)

The display device according to claim 1, further comprising:
a display substrate provided with at least a plurality of the display wires and a second display wire extending so as to cross the display wires;
a display drive-dedicated flexible printed circuit board provided with at least a second display driver supplying a signal to the second display wires, the display drive-dedicated flexible printed circuit board being connected to the display substrate; and
a third wire-dedicated flexible printed circuit board provided with at least part of the plurality of third wires.

### Claim 13 (depends on 1)

The display device according to claim 1, wherein the first wires, the second wires, the third wires, the fourth wire, and the fifth wire are identical to one another in number.

### Claim 14 (depends on 1)

The display device according to claim 1, wherein
the fourth wire overlaps with all the second end portions of the plurality of first wires and the first end portions of the plurality of third wires, and the fifth wire overlaps with all the second end portions of the plurality of second wires and the second end portions of the plurality of third wires,
the display device further comprising:
a sixth wire overlapping with a second end portion of one of the first wires and a first end portion of one of the third wires; and
a seventh wire overlapping with a second end portion of one of the second wires and a second end portion of one of the third wires.

### Claim 15 (depends on 1)

The display device according to claim 1, wherein
the third wires are divided into a plurality of division third wires including respective end portions arranged adjacent to each other,
the display device further comprising:
an eighth wire overlapping with the end portions of adjacent ones of the division third wires via an insulating film.
