# US 12,217,680 B2 · Display device having sub-pixels that share a horizontal power line

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- Number: US 12,217,680 B2
- Document ID: US12217680B2
- Status: Granted
- Kind: B2
- Application number: 18/359,965
- Filed: 2023-07-27
- Published: 2024-07-11
- Granted: 2025-02-04
- Earliest claimed: 2023-01-10
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., LTD.
- Inventors: Dong Hee Shin; Sun Kwun Son; Sang Yong No
- Web page: https://patentgrep.com/patent/US12217680B2

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- G09G 3/3283: in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/352: {the areas of the RGB subpixels being different}
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2320/0295: by monitoring each display pixel
- 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

## Abstract

A display device includes a first vertical power line extending in a first direction and receiving a first power source; and a first horizontal power line extending in a second direction intersecting the first direction between a first pixel and a second pixel and receiving the first power source, each of the first pixel and the second pixel includes first to third sub-pixels sequentially disposed in the first direction, the first pixel includes a first common pattern between the first sub-pixel and the second sub-pixel extending in the second direction, the first sub-pixel of the first pixel and the second sub-pixel of the first pixel share the first common pattern and are connected to the first vertical power line, and the third sub-pixel of the first pixel shares the first horizontal power line with the first sub-pixel of the second pixel.

## Claims

### Claim 1

A display device comprising:
a first pixel disposed on a substrate;
a second pixel spaced apart from the first pixel in a first direction;
a first vertical power line extending in the first direction and receiving a first power source; and
a first horizontal power line extending in a second direction intersecting the first direction between the first pixel and the second pixel and receiving the first power source, wherein
each of the first pixel and the second pixel includes a first sub-pixel, a second sub-pixel and a third sub-pixel sequentially disposed in the first direction,
the first pixel includes a first common pattern disposed between the first sub-pixel of the first pixel and the second sub-pixel of the first pixel to extend in the second direction,
the first sub-pixel of the first pixel and the second sub-pixel of the first pixel share the first common pattern and are electrically connected to the first vertical power line by way of the first common pattern, and
the third sub-pixel of the first pixel and the first sub-pixel of the second pixel share the first horizontal power line and
the first common pattern forms a channel area of a transistor of each of the first sub-pixel of the first pixel and the second sub-pixel of the first pixel.

### Claim 2 (depends on 1)

The display device of claim 1, wherein each of the first sub-pixel, the second sub-pixel and the third sub-pixel include:
a light emitting element;
a first transistor controlling a current of the light emitting element; and
a storage capacitor that includes a lower electrode electrically connected to a gate electrode of the first transistor, and an upper electrode electrically connected to a source electrode of the first transistor.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the first common pattern is an active pattern of the first transistor of the first sub-pixel of the first pixel and an active pattern of the first transistor of the second sub-pixel of the first pixel.

### Claim 4 (depends on 2)

The display device of claim 2, wherein the first common pattern is a protruding pattern protruding from the first vertical power line in the second direction.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the first common pattern and the first vertical power line are disposed on a same layer.

### Claim 6 (depends on 2)

The display device of claim 2, wherein the second pixel is symmetrical to the first pixel about an axis in the second direction.

### Claim 7 (depends on 6)

The display device of claim 6, further comprising:
a second common pattern extending in the second direction between the second sub-pixel of the second pixel and the third sub-pixel of the second pixel,
wherein the second sub-pixel of the second pixel and the third sub-pixel of the second pixel are electrically connected to the first vertical power line through the second common pattern.

### Claim 8 (depends on 2)

The display device of claim 2, further comprising:
a second power line receiving a second power source different from the first power source;
a sensing line that transmits a sensing signal to each of the first sub-pixel, the second sub-pixel and the third sub-pixel and extends in the first direction; and
a data line that transmits a data signal to each of the first sub-pixel, the second sub-pixel and the third sub-pixel and extends in the first direction, wherein
the second power line and the first vertical power line are disposed at a left side of the storage capacitor, and
the sensing line and the data line are disposed at a right side of the storage capacitor.

### Claim 9 (depends on 8)

The display device of claim 8, wherein each of the first sub-pixel, the second sub-pixel and the third sub-pixel further includes:
a second transistor electrically connected between the data line and the gate electrode of the first transistor and turned on by a scan signal; and
a third transistor electrically connected to the sensing line and the upper electrode of the storage capacitor and turned on by a control signal different than the scan signal.

### Claim 10 (depends on 9)

The display device of claim 9, wherein the upper electrode of the storage capacitor and an active pattern of each of the first transistor, the second transistor, and the third transistor are disposed on a same layer.

### Claim 11 (depends on 10)

The display device of claim 10, wherein the upper electrode of the storage capacitor is integral with the source electrode of the first transistor and a source electrode of the third transistor.

### Claim 12 (depends on 2)

The display device of claim 2, wherein
the light emitting element includes:
a first electrode;
a light emitting layer disposed on the first electrode; and
a second electrode disposed on the light emitting layer, and
the first electrode is electrically connected to the source electrode of the first transistor through a contact portion.

### Claim 13 (depends on 1)

The display device of claim 1, wherein the first common pattern is a conductive pattern doped with an N+ type dopant.

### Claim 14 (depends on 1)

The display device of claim 1, wherein
the first sub-pixel emits light of a first color,
the second sub-pixel emits light of a second color different from the first color,
the third sub-pixel emits light of a third color different from the first color and the second color.

### Claim 15 (depends on 1)

The display device of claim 1, further comprising:
a third pixel spaced apart from the second pixel in the first direction, wherein
the third pixel includes the first sub-pixel, the second sub-pixel and the third sub-pixel of the first pixel, and
the display device further includes:
a second horizontal power line supplying a second power source between the second pixel and the third pixel;
a second scan line of the second pixel disposed between the third sub-pixel of the second pixel and the second horizontal power line and extends in the second direction; and
a third scan line of the third pixel disposed between the second horizontal power line and the first sub-pixel of the third pixel and extending in the second direction.

### Claim 16

A display device comprising:
a first pixel disposed on a substrate; and
a first vertical power line extending in a first direction and supplying a first power source, wherein
the first pixel includes:
a first sub-pixel, a second sub-pixel and a third sub-pixel disposed sequentially in the first direction;
a first electrode pattern disposed between the first sub-pixel of the first pixel and the second sub-pixel of the first pixel and extending in a second direction intersecting the first direction; and
a second electrode pattern disposed between the second sub-pixel of the first pixel and the third sub-pixel of the first pixel and extending in the second direction
the first sub-pixel of the first pixel and the second sub-pixel of the first pixel share the first electrode pattern to be electrically connected to the first vertical power line, and
the third sub-pixel of the first pixel is electrically connected to the first vertical power line through the second electrode pattern, and
the first electrode pattern forms a channel area of a transistor of each of the first sub-pixel of the first pixel and the second sub-pixel of the first pixel.

### Claim 17 (depends on 16)

The display device of claim 16, wherein
each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes:
a light emitting element;
a first transistor controlling a current of the light emitting element; and
a storage capacitor that includes a lower electrode electrically connected to a gate electrode of the first transistor and an upper electrode electrically connected to a source electrode of the first transistor, and
the first electrode pattern is an active pattern of the first transistor of the first sub-pixel of the first pixel and an active pattern of the first transistor of the second sub-pixel of the first pixel.

### Claim 18 (depends on 16)

The display device of claim 16, further comprising:
a second pixel spaced apart from the first pixel in the first direction,
wherein the second pixel and the first pixel have a same structure.

### Claim 19 (depends on 16)

The display device of claim 16, wherein each of the first electrode pattern and the second electrode pattern is a power line protruding from the first vertical power line in the second direction.

### Claim 20 (depends on 16)

The display device of claim 16, wherein the first electrode pattern and the second electrode pattern are conductive patterns doped with an N+ type dopant.