Display apparatus

Patent metadata

Field	Value
Publication number	US-12389746-B2
Application number	US-202217584141-A
Country	US
Kind code	B2
Filing date	Jan 25, 2022
Priority date	Apr 1, 2021
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

A display apparatus includes: a conductive layer including a wire having a first edge and a second edge and extending in a first direction and a conductive pattern arranged outside the first edge of the wire; an organic insulating layer including a hole that overlaps the conductive pattern; a display element electrically connected to the conductive pattern through the hole, and including a pixel electrode, an emission layer, and an opposite electrode; and a pixel-defining layer covering an edge of the pixel electrode, overlapping the wire, and including an opening in which the emission layer is arranged, wherein the opening is divided by the wiring into a first area overlapping an outer side of the first edge of the wire and a second area overlapping an outer side of the second edge of the wire in a plan view, and the second area is larger than the first area.

First claim

What is claimed is:

1. A display apparatus, comprising:
a conductive layer arranged over the substrate and including a wire and a conductive pattern, the wire having a first edge and a second edge and extending in a first direction, and the conductive pattern being arranged outside the first edge of the wire;
an organic insulating layer arranged on the conductive layer and including a hole that overlaps the conductive pattern;
a display element arranged on the organic insulating layer, electrically connected to the conductive pattern through the hole, and including a pixel electrode, an emission layer, and an opposite electrode; and
a pixel-defining layer covering an edge of the pixel electrode, overlapping the wire, and including an opening in which the emission layer is arranged,
wherein the opening is divided by the wire into a first area and a second area in a plan view of the display apparatus, the first area overlapping an outer side of the first edge of the wire, and the second area overlapping an outer side of the second edge of the wire, and
the second area is larger than the first area.

2. The display apparatus of claim 1 , further comprising:
a thin-film transistor arranged between the substrate and the conductive layer; and
a lower organic insulating layer arranged between the thin-film transistor and the conductive layer and including a lower hole that overlaps at least a portion of the thin-film transistor,
wherein the conductive pattern is electrically connected to the thin-film transistor through the lower hole.

3. The display apparatus of claim 2 , wherein the hole is adjacent to the lower hole in the first direction.

4. The display apparatus of claim 2 , wherein the hole is adjacent to the lower hole in a second direction, the second direction is perpendicular to the first direction.

5. The display apparatus of claim 1 , wherein a first distance from an upper surface of the substrate to a first portion of an upper surface of the organic insulating layer is greater than a second distance from the upper surface of the substrate to a second portion of the upper surface of the organic insulating layer,
the first portion overlaps the conductive pattern, and the second portion does not overlap the conductive pattern, and
the pixel electrode is arranged along a shape of the upper surface of the organic insulating layer.

6. The display apparatus of claim 1 , wherein the opening includes a first opening and a second opening,
the conductive pattern includes a first conductive pattern and a second conductive pattern, the first conductive pattern being adjacent to the first opening, and the second conductive pattern being adjacent to the second opening, and
the first conductive pattern and the second conductive pattern are arranged in a second direction, the second direction is perpendicular to the first direction.

7. The display apparatus of claim 6 , wherein the second conductive pattern is arranged between the first opening and the second opening.

8. The display apparatus of claim 7 , wherein the opening further includes a third opening,
the emission layer includes a first emission layer, a second emission layer, and a third emission layer, the first emission layer emitting a red light and overlapping the first opening, the second emission layer emitting a green light and overlapping the second opening, and the third emission layer emitting a blue light and overlapping the third opening,
the conductive pattern further includes a third conductive pattern adjacent to the third opening and arranged with the second conductive pattern in the second direction, and
the third conductive pattern is at least partially arranged between the second opening and the third opening.

9. The display apparatus of claim 1 , wherein a distance between a center of the wire to a center of the opening is 3 μm or more in a second direction, the second direction is perpendicular to the first direction.

10. The display apparatus of claim 1 , wherein the wire includes a data line.

11. A display apparatus, comprising:
a substrate;
a lower organic insulating layer arranged over the substrate and including a lower hole;
a conductive layer arranged on the lower organic insulating layer and including a wire and a conductive pattern, the wire including a first edge and a second edge and extending in a first direction, and the conductive pattern being arranged outside the first edge of the wire, overlapping the lower hole, and extending to an upper surface of the lower organic insulating layer from the lower hole;
an organic insulating layer arranged on the conductive layer and including a hole overlapping the conductive pattern;
a display element arranged on the insulating layer, electrically connected to the conductive pattern through the hole, and including a pixel electrode, an emission layer, and an opposite electrode; and
a pixel-defining layer covering an edge of the pixel electrode, overlapping the wire, and including an opening in which the emission layer is arranged,
wherein the opening is divided by the wire into a first area and a second area in a plan view of the display apparatus, the first area overlapping an outer side of the first edge of the wire, and the second area overlapping an outer side of the second edge of the wire, and
the second area is larger or smaller than the first area.

12. The display apparatus of claim 11 , wherein the second area is larger than the first area.

13. The display apparatus of claim 11 , wherein the second area is smaller than the first area.

14. The display apparatus of claim 11 , further comprising a thin-film transistor arranged between the substrate and the lower organic insulating layer and overlapping at least a portion of the lower hole,
wherein the conductive pattern is electrically connected to the thin-film transistor through the lower hole.

15. The display apparatus of claim 11 , wherein the hole is adjacent to the lower hole in the first direction.

16. The display apparatus of claim 11 , wherein the hole is adjacent to the lower hole in a second direction, the second direction is perpendicular to the first direction.

17. The display apparatus of claim 11 , wherein the opening includes a first opening, a second opening, and a third opening,
the emission layer includes a first emission layer, a second emission layer, and a third emission layer, the first emission layer emitting a red light and overlapping the first opening, the second emission layer emitting a green light and overlapping the second opening, and the third emission layer emitting a blue light and overlapping the third opening,
the conductive pattern includes a first conductive pattern, a second conductive pattern, and a third conductive pattern, the first conductive pattern being adjacent to the first opening, the second conductive pattern being adjacent to the second opening, and the third conductive pattern being adjacent to the third opening,
the first conductive pattern, the second conductive pattern, and the third conductive pattern are arranged in a second direction, the second direction is perpendicular to the first direction,
the second conductive pattern is arranged between the first opening and the second opening, and
the third conductive pattern is at least partially arranged between the second opening and the third opening.

18. The display apparatus of claim 11 , wherein the conductive layer further includes an intermediate wire extending in the first direction between the conductive pattern and the wire.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Hyangyul
• Kim Youngtae
• Sung Hyangki
• Jeong Heeseong
• Hong Sangmin

Classifications

• H10K59/80515

  characterised by their shape · CPC title

• H10K59/8051

  Anodes · CPC title

• H10K59/353

  characterised by the geometrical arrangement of the RGB subpixels · CPC title

• H10K59/122

  Pixel-defining structures or layers, e.g. banks · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title