# US 2020/0403170 A1 · Display device and method for manufacturing the same

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- Number: US 2020/0403170 A1
- Document ID: US20200403170A1
- Status: Published application
- Kind: A1
- Application number: 16/616,174
- Filed: 2019-05-28
- Published: 2020-12-24
- Earliest claimed: 2018-07-24
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.
- Inventors: Jinxiang XUE; Zhongyuan SUN; Kai SUI; Xiang ZHOU; Jingkai NI; Wenqi LIU; Xiaofen WANG; Chao DONG
- Web page: https://patentgrep.com/patent/US20200403170A1

## CPC

- G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED}
- G09F 9/335: {being organic light emitting diodes [OLED]}
- G09G 3/035: {for flexible display surfaces}
- H10K 59/18: Tiled displays
- H10K 71/00: Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K 77/111: {Flexible substrates}
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 77/10: Substrates, e.g. flexible substrates
- H10K 2102/311: {Flexible OLED}
- Y02E 10/549: Organic PV cells
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- 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)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present disclosure relates to a display device and a method of manufacturing the same. The display device includes: a plurality of display units, each display unit including one or more pixels; and a plurality of elastically stretchable stretching units respectively connected among the plurality of display units and forming elastic connection points with the display units, the stretching units and the plurality of display units forming a net-shaped distribution structure, wherein in a state that the display device is not under tension, a connection lines between the elastic connection points at both ends of the stretching unit are not parallel to a normal of the display units connected with at least one end of the stretching unit at the elastic connection points.

## Claims

### Claim 1

A display device, comprising:
a plurality of display units, each display unit comprising one or more pixels; and
a plurality of elastically stretchable stretching units respectively connected among the plurality of display units and forming elastic connection points with the plurality of display units, the plurality of elastically stretchable stretching units and the plurality of display units forming a net-shaped distribution structure,
wherein, in a state that the display device is not under tension, a connection line between the elastic connection points at both ends of the elastically stretchable stretching unit is not parallel to a normal of the display unit connected with at least one end of the elastically stretchable stretching unit at the elastic connection points.

### Claim 2 (depends on 1)

The display device according to claim 1, wherein the plurality of display units comprise:
a plurality of first type display units; and
a plurality of second type display units respectively connected with the plurality of first type display units through the plurality of elastically stretchable stretching units, each elastic connection point on a second type display unit including at least one group of elastic connection points which are axisymmetric relative to a center line of the second type display unit;
wherein, when the display device is not under tension, along a same rotation direction of a first type display unit, the connection line between elastic connection points at both ends of each elastically stretchable stretching unit connected with the first type display unit forms an acute angle with a normal of the first type display unit at the elastic connection points corresponding to the connection line.

### Claim 3 (depends on 2)

The display device according to claim 2, wherein the plurality of first type display units and the plurality of second type display units are alternately provided.

### Claim 4 (depends on 2)

The display device according to claim 2, wherein the first type display unit comprises a pixel region having an area smaller than that of a pixel region comprised in the second type display unit.

### Claim 5 (depends on 2)

The display device according to claim 2, wherein the first type display unit has a circular shape, and the second type display unit has a square or regular hexagonal shape.

### Claim 6 (depends on 2)

The display device according to claim 2, wherein the plurality of first type display units comprise:
a first display unit configured such that when the display device is not under tension, along a first rotation direction of the first display unit, the connection line between the elastic connection points at both ends of each elastically stretchable stretching unit connected with the first display unit forms an acute angle with a normal of the first display unit at the elastic connection points; and
a second display unit configured such that when the display device is not under tension, along a second rotation direction of the second display unit, the connection line between the elastic connection points at both ends of each elastically stretchable stretching unit connected with the second display unit forms an acute angle with a normal of the second display unit at the elastic connection points,
wherein the second rotation direction is opposite to the first rotation direction.

### Claim 7 (depends on 6)

The display device according to claim 6, wherein the first display units and the second display units are provided alternately in at least one preset direction in the net-shaped distribution structure.

### Claim 8 (depends on 7)

The display device according to claim 7, wherein the at least one preset direction includes a first direction and a second direction that are orthogonal to each other.

### Claim 9 (depends on 1)

The display device according to claim 1, wherein the elastically stretchable stretching unit has a straight strip shape.

### Claim 10 (depends on 1)

The display device according to claim 1, wherein the elastically stretchable stretching unit is formed integrally with substrate of the plurality of display units.

### Claim 11 (depends on 1)

The display device according to claim 1, wherein the net-shaped distribution structure comprises a plurality of polygonal meshes, and a number of sides of at least part of the plurality of polygonal meshes is greater than or equal to four.

### Claim 12 (depends on 1)

The display device according to claim 1, wherein the net-shaped distribution structure comprises a plurality of meshes, and at least part of the plurality of meshes comprise a hollow structure.

### Claim 13 (depends on 1)

The display device according to claim 1, wherein at least part of the elastic connection points formed by the plurality of elastically stretchable stretching units and the plurality of display units are provided with a corrugated structure.

### Claim 14 (depends on 1)

The display device according to claim 1, further comprising:
a signal line, arranged in the elastically stretchable stretching unit, for a signal connection of adjacent display units connected with the elastically stretchable stretching unit.

### Claim 15 (depends on 1)

The display device according to claim 1, wherein the display unit comprises an organic light emitting diode or a quantum dot light emitting diode.

### Claim 16

A method for manufacturing a display device, comprising:
providing a substrate;
forming, on the substrate, a plurality of display units and a plurality of elastically stretchable stretching units respectively connected among the plurality of display units in a net-shaped distribution structure,
wherein the plurality of elastically stretchable stretching units form elastic connection points with the plurality of display units, and in a state that the display device is not under tension, a connection line between the elastic connection points corresponding to both ends of the elastically stretchable stretching unit is not parallel to a normal of the display unit connected with at least one end of the elastically stretchable stretching unit at the elastic connection points.

### Claim 17 (depends on 16)

The manufacturing method according to claim 16, wherein the operation of forming the display units and the elastically stretchable stretching unit comprises:
forming, on the substrate, thin film transistors of the respective display units and signal lines connected among the thin film transistors of the plurality of display units according to the net-shaped distribution structure;
etching the substrate on which the thin film transistors is formed according to the net-shaped distribution structure in order to form respective meshes in the net-shaped distribution structure; and
forming a light emitting layer on the thin film transistor of each display unit.
