# US 11,910,673 B2 · Display device

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- Number: US 11,910,673 B2
- Document ID: US11910673B2
- Status: Granted
- Kind: B2
- Application number: 17/670,162
- Filed: 2022-02-11
- Published: 2022-05-26
- Granted: 2024-02-20
- Earliest claimed: 2016-10-26
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Jong Ho Hong; Gun Mo Kim; Jae Min Shin; Hye Jin Joo; Min Woo Kim; Seung Bae Kang
- Web page: https://patentgrep.com/patent/US11910673B2

## CPC

- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/38: comprising colour filters or colour changing media [CCM]
- H10K 77/10: Substrates, e.g. flexible substrates
- H10K 77/111: {Flexible substrates}
- H10K 59/873: {Encapsulations}
- H10K 2102/311: {Flexible OLED}
- Y02E 10/549: Organic PV cells
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.

## Claims

### Claim 1

A display device comprising:
a base layer including islands and bridges connecting adjacent islands;
pixels disposed at the islands; and
at least one wire included in one of the bridges,
wherein at least one of the bridges is varied when the base layer is stretched, and
wherein a first portion of the wire in one of the bridges is disposed between a first protection layer and a second protection layer, and a second portion of the wire in one of the islands is disposed under a passivation layer.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the at least one of the bridges is bent in a plan view when the base layer is stretched.

### Claim 3 (depends on 2)

The display device of claim 2, wherein a space between bridges adjacent to each other in a first direction among the bridges is widened, when the base layer is stretched in the first direction.

### Claim 4 (depends on 1)

The display device of claim 1, wherein a distance between the adjacent islands increases when the base layer is stretched.

### Claim 5 (depends on 1)

The display device of claim 1, wherein at least one of the islands rotates by a predetermined angle in a plan view when the base layer is stretched.

### Claim 6 (depends on 1)

The display device of claim 1, wherein at least one of the pixels corresponding to the at least one of the islands rotates by a predetermined angle in a plan view when the base layer is stretched.

### Claim 7 (depends on 1)

The display device of claim 1, wherein the islands comprises:
a first island;
a second island adjacent to the first island in a first direction;
a third island adjacent to the first island in a second direction intersecting the first direction; and
a fourth island adjacent to the second island in the second direction, and
wherein the first to fourth islands constitute a basic unit.

### Claim 8 (depends on 7)

The display device of claim 7, wherein each of the pixels comprises first to fourth pixels disposed on each of the first to fourth islands.

### Claim 9 (depends on 7)

The display device of claim 7, wherein the bridges comprise:
a first bridge connecting the first island and the second island;
a second bridge connecting the first island and the third island;
a third bridge connecting the second island and the fourth island, the third bridge being adjacent to the second bridge; and
a fourth bridge connecting the third island and the fourth island.

### Claim 10 (depends on 9)

The display device of claim 9, wherein the basic unit is repeatedly arranged in the first direction and the second direction, and
wherein, when the base layer is stretched in the first direction, the second bridge and the third bridge are bent so that a space between the second bridge and the third bridge is widened.

### Claim 11 (depends on 9)

The display device of claim 9, wherein:
the basic unit is repeatedly arranged in the first direction and the second direction, and
when the base layer is stretched in the second direction, a space between the fourth bridge of the basic unit and a first bridge of another basic unit adjacent to the basic unit in the second direction is widened.

### Claim 12 (depends on 9)

The display device of claim 9, wherein, when the base layer is stretched in the first direction, the first island rotates clockwise and the second island rotates counterclockwise.

### Claim 13 (depends on 9)

The display device of claim 9, wherein, when the base layer is stretched in the second direction, the first island rotates clockwise and the third island rotates counterclockwise.

### Claim 14 (depends on 1)

The display device of claim 1, wherein a first end of a first bridge of the bridges is directly connected to a first island of the islands and a second end of the first bridge is directly connected to a second island of the islands.

### Claim 15 (depends on 1)

The display device of claim 1, further comprising:
an inorganic insulating layer disposed on the base layer and having an open region exposing a portion of the bridges;
an organic material layer covering the open region;
a conductive pattern disposed on a bridge of the bridges and electrically connected to at least one of the pixels; and
an encapsulation layer disposed on the conductive pattern.

### Claim 16 (depends on 1)

The display device of claim 1, wherein
an island of the islands has a shape with four or more sides, and
a first side of the four or more sides is physically connected to a first bridge of the bridges.

### Claim 17 (depends on 16)

The display device of claim 16, wherein
the first bridge includes a curved portion disposed at a portion physically connected to the island, the curved portion having a curved side.

### Claim 18 (depends on 17)

The display device of claim 17, wherein
the first bridge further includes a straight portion physically connected to the curved portion, the straight portion having a straight line extending from the curved side.

### Claim 19 (depends on 18)

The display device of claim 18, wherein
the curved portion has first widths from the curved side to an opposite side of the first bridge facing the curved side,
the straight portion has second widths from the straight line to an opposite side of the first bridge facing the straight line, and
the first widths are greater than the second widths.

### Claim 20

A display device comprising:
a base layer including islands and bridges connecting adjacent islands;
pixels disposed at the islands; and
at least one wire included in one of the bridges,
wherein at least one of the bridges is varied when the base layer is stretched, and
wherein a first portion of the wire in one of the bridges is disposed between a first protection layer and a second protection layer, and a second portion of the wire in one of the islands is disposed on an interlayer insulating layer.
