# US 10,374,020 B2 · Organic light-emitting display device and manufacturing method thereof

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- Number: US 10,374,020 B2
- Document ID: US10374020B2
- Status: Granted
- Kind: B2
- Application number: 15/478,723
- Filed: 2017-04-04
- Published: 2018-05-17
- Granted: 2019-08-06
- Earliest claimed: 2016-11-15
- Assignees: Samsung Dispiay Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Tae Wook Kang
- Web page: https://patentgrep.com/patent/US10374020B2

## CPC

- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/1315: {comprising structures specially adapted for lowering the resistance}
- H10K 59/80522: {combined with auxiliary electrodes}
- H10K 59/873: {Encapsulations}
- H10K 59/875: {Arrangements for extracting light from the devices}
- H10K 71/621: {Providing a shape to conductive layers, e.g. patterning or selective deposition}
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/35: comprising red-green-blue [RGB] subpixels
- H10K 59/38: comprising colour filters or colour changing media [CCM]
- H10K 59/8792: {comprising light absorbing layers, e.g. black layers}
- H10K 71/221: {by lift-off techniques}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An organic light-emitting display device including: a substrate; a first conductive layer disposed on the substrate; a pixel defining film disposed to define a plurality of pixels on the substrate, the pixel defining film exposing at least a part of the first conductive layer for each of the plurality of pixels; an organic light-emitting layer disposed on the at least a part of the first conductive layer exposed by the pixel defining film; a second conductive layer disposed on the organic light-emitting layer; a protection layer disposed in each of the plurality of pixels on the second conductive layer and exposing at least a part of the second conductive layer; and a sub-conductive layer disposed on the pixel defining film between the plurality of pixels, the sub-conductive layer electrically contacting with exposed portions of the second conductive layer disposed in the plurality of pixels.

## Claims

### Claim 1

An organic light-emitting display (OLED) device, comprising:
a substrate;
a first conductive layer disposed on the substrate;
a pixel defining film disposed to define a plurality of pixels on the substrate, the pixel defining film exposing at least a part of the first conductive layer for each of the plurality of pixels;
an organic light-emitting layer disposed on the at least a part of the first conductive layer exposed by the pixel defining film;
a second conductive layer disposed on the organic light-emitting layer;
a protection layer disposed in each of the plurality of pixels on the second conductive layer and exposing at least a part of the second conductive layer; and
a sub-conductive layer disposed on the pixel defining film between the plurality of pixels, the sub-conductive layer electrically contacting with exposed portions of the second conductive layer disposed in the plurality of pixels,
wherein the organic light-emitting layer is interposed between the protection layer and the first conductive layer in the plurality of pixels, and
wherein the second conductive layer is interposed between the protection layer and the first conductive layer.

### Claim 2 (depends on 1)

The OLED device of claim 1, wherein the protection layers disposed in the respective pixels are not in contact with each other.

### Claim 3 (depends on 1)

The OLED device of claim 1, wherein the second conductive layers disposed in the respective pixels are not in direct contact with each other.

### Claim 4 (depends on 1)

The OLED device of claim 1, wherein the organic light-emitting layer is surrounded and sealed by the protection layer, the pixel defining film, the first conductive layer, and the sub-conductive layer.

### Claim 5 (depends on 1)

The OLED device of claim 1, wherein the protection layer comprises an inorganic material.

### Claim 6 (depends on 1)

The OLED device of claim 1, wherein the sub-conductive layer is not disposed on at least a part of the protection layer.

### Claim 7 (depends on 1)

The OLED device of claim 1, wherein the pixel defining film comprises:
a first layer comprising an organic material; and
a second layer comprising an inorganic material and covering the first layer.

### Claim 8

An organic light-emitting display (OLED) device, comprising:
a substrate;
a first conductive layer disposed on the substrate;
a pixel defining film disposed to define at least one pixel on the substrate, the pixel defining film exposing at least a part of the first conductive layer in the at least one pixel;
an organic light-emitting layer disposed on at least a part of the first conductive layer exposed by the pixel defining film;
a second conductive layer disposed on the organic light-emitting layer;
a protection layer disposed in each pixel of the at least one pixel on the second conductive layer and exposing at least a part of the second conductive layer; and
a sub-conductive layer disposed outside the each pixel of the at least one pixel, the sub-conductive layer electrically contacting with exposed portions of the second conductive layer,
wherein the organic light-emitting layer is interposed between the protection layer and the first conductive layer in the at least one pixel, and
wherein the second conductive layer is interposed between the protection layer and the first conductive layer.

### Claim 9 (depends on 8)

The OLED device of claim 8, wherein the organic light-emitting layer is surrounded and sealed by the protection layer, the pixel defining film, the first conductive layer, and the sub-conductive layer.

### Claim 10 (depends on 8)

The OLED device of claim 8, wherein the sub-conductive layer is not disposed on at least a part of the protection layer.

### Claim 11 (depends on 8)

The OLED device of claim 8, wherein at least a part of the protection layer contacts with the sub-conductive layer.

### Claim 12 (depends on 8)

The OLED device of claim 8, further comprising:
a color filter disposed between the protection layer and the sub-conductive layer.

### Claim 13 (depends on 1)

The OLED device of claim 1, further comprising a sub-protection layer covering the protection layer and the sub-conductive layer,
wherein the sub-protection layer is in contact with the sub-conductive layer.