# US 10,482,829 B2 · Display device and fabricating method thereof

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- Number: US 10,482,829 B2
- Document ID: US10482829B2
- Status: Granted
- Kind: B2
- Application number: 15/683,498
- Filed: 2017-08-22
- Published: 2018-03-22
- Granted: 2019-11-19
- Earliest claimed: 2016-09-21
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Jin Tae Jeong; Ji Hyun Ka; Tae Hoon Kwon; Min Ku Lee; Seung Ji Cha
- Web page: https://patentgrep.com/patent/US10482829B2

## CPC

- G09G 3/342: {using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines}
- 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 3/3266: Details of drivers for scan electrodes
- G09G 3/02: by tracing or scanning a light beam on a screen
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2310/0216: Interleaved control phases for different scan lines in the same sub-field, e.g. initialization, addressing and sustaining in plasma displays that are not simultaneous for all scan lines
- G09G 2310/0281: Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
- 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 device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.

## Claims

### Claim 1

A display device, comprising:
a substrate including a first pixel area and a second pixel area spaced apart from each other, a first non-pixel area disposed adjacent to the first pixel area at a periphery of the first pixel area, and a second non-pixel area disposed adjacent to the second pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with the first and the second pixel areas interposed therebetween;
first scan lines and first pixels connected to the first scan lines and disposed in the first pixel area;
second scan lines spaced apart from the first scan lines and second pixels connected to the second scan lines and disposed in the second pixel area;
a first scan driver disposed in the first non-pixel area and connected to the first scan lines;
a second scan driver disposed in the second non-pixel area and connected to the second scan lines;
a plurality of first wires disposed in the first non-pixel area and connected to the first scan driver;
a plurality of second wires disposed in the second non-pixel area and connected to the second scan driver;
first scan pads connected to the plurality of first wires and second scan pads connected to the plurality of second wires; and
a plurality of connecting wires connecting the first wires and the second wires, the plurality of connecting wires disposed adjacent to the first and second scan pads,
wherein the first pixels are not connected to the second scan lines and the second pixels are not connected to the first scan lines.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the first pixel area and the second pixel area are arranged proximate to each other to be spaced apart from each other along an extension line extending in a longitudinal direction of the first scan lines and the second scan lines.

### Claim 3 (depends on 1)

The display device of claim 1, wherein the first pixel area and the second pixel area are arranged to be opposite to each other with at least one non-pixel area interposed therebetween.

### Claim 4 (depends on 1)

The display device of claim 1, wherein the first and second wires are arranged to supply at least one of a start pulse and a clock signal to the first and second scan drivers, respectively.

### Claim 5 (depends on 1)

The display device of claim 1, further comprising:
a third pixel area on one side of the first and second pixel areas;
third scan lines and third pixels in the third pixel area; and
a third scan driver in a third non-pixel area at a periphery of the third pixel area and connected to the third scan lines.

### Claim 6 (depends on 5)

The display device of claim 5, wherein the first wires extend to the first non-pixel area via the third non-pixel area, from a fourth non-pixel area in which the first scan pads are arranged.

### Claim 7 (depends on 6)

The display device of claim 6, wherein at least one of the first wires is connected to the first scan driver and the third scan driver.

### Claim 8 (depends on 5)

The display device of claim 5, further comprising a fourth scan driver in a fifth non-pixel area at the periphery of the third pixel area and connected to the third scan lines.

### Claim 9 (depends on 8)

The display device of claim 8, wherein at least one of the second wires is connected to the second scan driver and the fourth scan driver.

### Claim 10 (depends on 5)

The display device of claim 5, wherein the second wires extend to the second non-pixel area via a fifth non-pixel area opposite to the third non-pixel area, from a fourth non-pixel area in which the second scan pads are arranged.

### Claim 11 (depends on 5)

The display device of claim 5, wherein the connecting wires are arranged in a fourth non-pixel area in which the first and second scan pads are arranged.

### Claim 12 (depends on 1)

The display device of claim 1, wherein the connecting wires are arranged in a sixth non-pixel area connecting the first non-pixel area and the second non-pixel area.

### Claim 13 (depends on 1)

The display device of claim 1, wherein the first wires include a first signal line configured to receive a first control signal, and a second signal line configured to receive a second control signal,
the second wires include a third signal line configured to receive the first control signal and a fourth signal line configured to receive the second control signal, and
the connecting wires include a first connecting wire connecting the first signal line and the third signal line, and a second connecting wire connecting the second signal line and the fourth signal line.

### Claim 14 (depends on 13)

The display device of claim 13, wherein the first connecting wire and the second connecting wire have different structures.

### Claim 15 (depends on 14)

The display device of claim 14, wherein the second connecting wire includes a first sub wire disposed between the plurality of first wires and the plurality of second wires and formed of a same material and on a same layer as the second and fourth signal lines, a second sub wire connected between the first sub wire and the second signal line and arranged on a different layer from the first sub wire, and a third sub wire connected between the first sub wire and the fourth signal line and arranged on a different layer from the first sub wire,
wherein the first connecting wire is formed of a single wire arranged to be spaced apart from the first sub wire and on a same layer as the first sub wire, or a single wire arranged to be spaced apart from the second and third sub wires and on a same layer as the second and third sub wires.

### Claim 16 (depends on 1)

The display device of claim 1, wherein the substrate includes a concave portion between the first pixel area and the second pixel area.

### Claim 17 (depends on 1)

The display device of claim 1, further comprising first scan pads connected to the first wires and second scan pads connected to the second wires,
wherein at least one of the first scan pads and at least one of the second scan pads are configured to receive the same signals.

### Claim 18

A method of fabricating a display device including a first pixel area and a second pixel area arranged to be spaced apart from each other on different sides of the display device, the method comprising:
forming first and second pixels respectively connected to first and second scan lines in the first and second pixel areas on a substrate, wherein the first pixels are not connected to the second scan lines and the second pixels are not connected to the first scan lines;
forming first and second wires respectively arranged on the different sides of the substrate in a non-pixel area and configured to transmit driving signals for driving the first and second pixels, respectively;
forming first and second test pads connected to the first and second wires, respectively;
forming a plurality of connecting wires each connecting pairs of the test pads to which same signals are to be applied, the connecting wires being disposed adjacent to the test pads;
performing a predetermined test on the display device by supplying test control signals to the first and second test pads, the test control signals being supplied to the first and second pixels through the first and second test pads and the first and second wires, respectively; and
cutting the substrate along a scribing line which is disposed between the test pads and the first and second wires such that the first and second test pads disposed on the outside of the scribing line are removed from the display device.

### Claim 19 (depends on 18)

The method of claim 18, further comprising forming a first scan driver connected between the first pixel area and the first wires, and a second scan driver connected between the second pixel area and the second wires, the first and second scan drivers being positioned within the scribing line.

### Claim 20 (depends on 19)

The method of claim 19, wherein the performing further comprises concurrently supplying the test control signals to the first and second test pads.

### Claim 21 (depends on 18)

The method of claim 18, further comprising forming a third pixel area on one side of the first and second pixel areas.

### Claim 22 (depends on 21)

The method of claim 21, wherein in the forming of the first and second wires, the first wires are formed on one side of the first pixel area and one side of the third pixel area, and
the second wires are formed on one side of the second pixel area and another side of the third pixel area to be opposite to the first wires.

### Claim 23 (depends on 18)

The method of claim 18, wherein the performing further comprises applying same test control signals to at least one of the first test pads and at least one of the second test pads.

### Claim 24 (depends on 18)

The method of claim 18, wherein the forming a plurality of connecting wires further comprises forming the connecting wires to include at least one conductive layer on a different layer from a conductive layer constituting the first and second wires.

### Claim 25 (depends on 18)

The method of claim 18, wherein the forming a plurality of connecting wires further comprises forming a first connecting wire connecting first and third signal pads to be supplied with a first test control signal, and forming a second connecting wire connecting second and fourth signal pads to be supplied with a second test control signal.

### Claim 26 (depends on 25)

The method of claim 25, wherein the first connecting wire and the second connecting wire have different structures.

### Claim 27 (depends on 18)

The method of claim 18, wherein the connecting wires are formed outside the scribing line, and the separating further comprises separating both the connecting wires and the first and second test pads from the display device.