# US 11,910,659 B2 · Display device

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- Number: US 11,910,659 B2
- Document ID: US11910659B2
- Status: Granted
- Kind: B2
- Application number: 17/445,977
- Filed: 2021-08-26
- Published: 2022-03-17
- Granted: 2024-02-20
- Earliest claimed: 2020-09-15
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Gyung Min Baek; Ju Hyun Lee; Tae Wook Kang; Hyun Eok Shin
- Web page: https://patentgrep.com/patent/US11910659B2

## CPC

- H10D 86/441: {Interconnections, e.g. scanning lines}
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/1216: {the pixel elements being capacitors}
- H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT]
- H10K 59/8792: {comprising light absorbing layers, e.g. black layers}
- H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors}
- H10D 86/60: wherein the TFTs are in active matrices
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K 59/65: OLEDs integrated with inorganic image sensors
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.

## Claims

### Claim 1

A display device comprising:
a non-display area where no image is displayed; and
a display area where images are displayed, and comprising a first area and a second area having different light transmittances, and a first pixel and a second pixel,
wherein a transistor and an anode electrode of the first pixel are in the first area,
wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area,
wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and
wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the second area comprises a transmitting area for transmitting light, and has a transmittance that is greater than that of the first area.

### Claim 3 (depends on 1)

The display device of claim 1, wherein the transistor of the second pixel is in at least one the non-display area and the first area.

### Claim 4 (depends on 1)

The display device of claim 1, further comprising a first insulating layer between the anode electrode of the second pixel and the connection line,
wherein at least a part of the first insulating layer is in a region where the anode electrode of the second pixel and the connection line face each other, and
wherein the anode electrode of the second pixel and the connection line are electrically connected via a through hole that penetrates the first insulating layer and the anti-reflection layer.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the through hole is formed in the second area.

### Claim 6 (depends on 1)

The display device of claim 1, further comprising a first conductive layer comprising a source electrode and a drain electrode of the transistor of the second pixel,
wherein a stack structure of the first conductive layer is substantially identical to a stack structure of the connection line.

### Claim 7 (depends on 6)

The display device of claim 6, further comprising a second insulating layer between the first conductive layer and the connection line.

### Claim 8 (depends on 6)

The display device of claim 6, wherein the first conductive layer and the connection line have a stack structure of titanium (Ti)/aluminum (Al)/titanium (Ti).

### Claim 9 (depends on 6)

The display device of claim 6, wherein the connection line is on the same layer as the source electrode and the drain electrode of the transistor of the second pixel, the connection line and the source electrode and the drain electrode of the transistor of the second pixel forming the first conductive layer.

### Claim 10 (depends on 1)

The display device of claim 1, wherein the connection line comprises an opaque metal.

### Claim 11 (depends on 10)

The display device of claim 10, wherein the anti-reflection layer is formed in a substantially same pattern as the connection line in a plan view.

### Claim 12 (depends on 11)

The display device of claim 11, wherein the anti-reflection layer comprises molybdenum (Mo), a molybdenum alloy, a molybdenum oxide (MoOx), or an oxide of a molybdenum alloy.

### Claim 13 (depends on 10)

The display device of claim 10, wherein the anti-reflection layer has an electrical resistance that is greater than that of the connection line.

### Claim 14 (depends on 1)

The display device of claim 1, wherein a width of the connection line is between about 1.2 μm and about 1.5 μm.