# US 2021/0280648 A1 · Display device

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- Number: US 2021/0280648 A1
- Document ID: US20210280648A1
- Status: Published application
- Kind: A1
- Application number: 17/329,044
- Filed: 2021-05-24
- Published: 2021-09-09
- Earliest claimed: 2015-12-04
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Jonghyun Choi; Kinyeng Kang; Sunkwang Kim; Joosun Yoon
- Web page: https://patentgrep.com/patent/US20210280648A1

## CPC

- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- G09G 3/3225: using an active matrix
- H10D 64/011: {of electrodes ohmically coupled to a semiconductor}
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers}
- G04C 17/0091: {Combined electro-optical and electro-mechanical displays}
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0439: Pixel structures
- G09G 2300/0465: Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
- G09G 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
- G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
- 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)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- G04C: ELECTROMECHANICAL CLOCKS OR WATCHES

## Abstract

A display device includes a substrate including a first surface, and a second surface opposite the first surface, and defining a through portion passing therethrough, a pixel array including a plurality of pixels surrounding the through portion at the first surface, a plurality of scan lines extending along a first direction for providing scan signals to the pixels, and a plurality of data lines extending along a second direction crossing the first direction for providing data signals to the pixels, the plurality of data lines including first and second data lines adjacent the through portion at different layers, and having at least a portion thereof curved along a perimeter of the through portion.

## Claims

### Claim 1

A display device comprising:
a substrate having a front surface, a rear surface, and a through hole passing from the front surface to the rear surface;
a plurality of pixels on the front surface of the substrate, the plurality of pixels being arranged in a display area around the through hole;
a plurality of scan lines extending along a first direction in the display area and configured to provide scan signals to the plurality of pixels;
a plurality of data lines extending along a second direction crossing the first direction in the display area and configured to provide data signals to the plurality of pixels, the plurality of data lines comprising a first data line and a second data line each including a curved section that is curved along a perimeter of the through hole;
an insulation layer interposed between the curved section of the first data line and the curved section of the second data line; and
an encapsulation layer on the plurality of pixels and including a first inorganic layer, an organic layer, and a second inorganic layer, the first inorganic layer and the second inorganic layer being in contact with each other in a non-display area between the display area and the through hole,
wherein the curved sections of the first and second data lines are located between the display area and a contact region between the first and second inorganic layers.

### Claim 2 (depends on 1)

The device of claim 1, wherein:
the organic layer of the encapsulation layer is between the first inorganic layer and the second inorganic layer, and
edges of the first and second inorganic layers in the non-display area are closer to the through hole than to an edge of the organic layer in the non-display area.

### Claim 3 (depends on 2)

The device of claim 2, wherein the edges of the first and second inorganic layers correspond to an edge of the substrate that defines the through hole.

### Claim 4 (depends on 2)

The device of claim 2, the edge of the organic layer is located between the through hole and the curved sections of the first and second data lines.

### Claim 5 (depends on 1)

The device of claim 1, wherein the curved sections of the first and second data lines are covered by the first inorganic layer, the organic layer, and the second inorganic layer of the encapsulation layer.

### Claim 6 (depends on 1)

The device of claim 1, further comprising:
a dam in the non-display area, wherein the dam is closer to the through hole than the curved sections of the first and second data lines.

### Claim 7 (depends on 1)

The device of claim 1, wherein at least one selected from the first and second data lines comprises multi layers including Ti/Al/Ti.

### Claim 8 (depends on 1)

The device of claim 1, wherein at least one selected from the first and second data lines comprises:
a first portion in the display area; and
a second portion in the non-display area and comprising the curved section along the perimeter of the through hole,
wherein the first portion and the second portion are connected to each other via a contact hole in the insulation layer.

### Claim 9 (depends on 8)

The device of claim 8, wherein the contact hole in the insulation layer is located in the non-display area.

### Claim 10 (depends on 1)

The device of claim 1, wherein the curved sections of the first and second data lines do not overlap each other.

### Claim 11 (depends on 1)

The device of claim 1, wherein each of the plurality of pixels comprises a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode.

### Claim 12 (depends on 11)

The device of claim 11, further comprising:
a planarization layer over the curved sections of the first and second data lines, wherein the first electrode of each of the plurality of pixels is over the planarization layer.

### Claim 13 (depends on 11)

The device of claim 11, wherein the intermediate layer comprises at least one selected from an organic emission layer, a hole transport layer, a hole injection layer, an electron transport layer, and an electron injection layer, and covers the curved sections of the first and second data lines.