Display apparatus and method of manufacturing the same

Patent metadata

Field	Value
Publication number	US-12439799-B2
Application number	US-202218077560-A
Country	US
Kind code	B2
Filing date	Dec 8, 2022
Priority date	Dec 9, 2021
Publication date	Oct 7, 2025
Grant date	Oct 7, 2025

Abstract

A display apparatus includes a peripheral area including a first area, a bending area, and a second area, a display area, a first insulating layer located in the display area and at least a portion of the peripheral area, a gate electrode located in the display area, a first connection electrode located in the display area, a first organic insulating layer arranged in the display area and the peripheral area, a second organic insulating layer located in the display area and the peripheral area, and an input line including a first transmission line located in the first area, and a second transmission line located in the bending area.

First claim

What is claimed is:

1. A display apparatus comprising:
a peripheral area comprising:
a first area;
a bending area; and
a second area;

a display area;
a first insulating layer located in the display area and at least a portion of the peripheral area and arranged on a substrate;
a gate electrode located in the display area and arranged on the first insulating layer;
a first connection electrode located in the display area and arranged on the gate electrode;
a first organic insulating layer located in the display area and the peripheral area and overlapping the first connection electrode in a plan view;
a second organic insulating layer located in the display area and the peripheral area and arranged on the first organic insulating layer; and
an input line comprising:
a first transmission line located in the first area and arranged on the first insulating layer; and
a second transmission line located in the bending area and arranged on the second organic insulating layer.

2. The display apparatus of claim 1 , further comprising:
a data line located in the display area and electrically connected to the input line.

3. The display apparatus of claim 2 , further comprising:
a buffer layer located in the display area and the peripheral area and arranged on the substrate;
a semiconductor pattern located in the display area and arranged between the buffer layer and the first insulating layer;
a second insulating layer located in the display area and the peripheral area and arranged on the gate electrode;
an upper electrode located in the display area and arranged on the second insulating layer;
a third insulating layer located in the display area and the peripheral area and arranged on the upper electrode;
a second connection electrode located in the display area and arranged between the first organic insulating layer and the second organic insulating layer; and
a third connection electrode located in the display area and arranged on the second organic insulating layer.

4. The display apparatus of claim 3 , wherein at least a portion of the second transmission line extends to the first area.

5. The display apparatus of claim 4 , further comprising:
a conductive pattern located in the first area and arranged on the first organic insulating layer.

6. The display apparatus of claim 5 , further comprising:
a first contact hole exposing at least a portion of the first transmission line; and
a second contact hole exposing at least a portion of the conductive pattern.

7. The display apparatus of claim 6 , wherein the first contact hole is in the second insulating layer, the third insulating layer, and the first organic insulating layer.

8. The display apparatus of claim 6 , wherein the second contact hole is in the second organic insulating layer.

9. The display apparatus of claim 6 , wherein
the first transmission line is electrically connected to the conductive pattern through the first contact hole, and
the conductive pattern is electrically connected to the second transmission line through the second contact hole.

10. The display apparatus of claim 3 , wherein
the first transmission line and the gate electrode are arranged on a same layer, or
the first transmission line and or the upper electrode are arranged on a same layer.

11. The display apparatus of claim 3 , further comprising:
a third organic insulating layer located in the display area and the peripheral area and overlapping the second transmission line in a plan view.

12. The display apparatus of claim 3 , further comprising:
a protective layer arranged between the third insulating layer and the first organic insulating layer.

13. The display apparatus of claim 3 , wherein the input line further comprises a third transmission line located in the second area and arranged on the first insulating layer.

14. The display apparatus of claim 13 , further comprising:
a pad located in the second area and arranged on the third transmission line,
wherein the pad comprises a first pad electrode arranged on the third transmission line.

15. The display apparatus of claim 14 , further comprising:
a third contact hole exposing at least a portion of the third transmission line,
wherein the third transmission line is electrically connected to the first pad electrode through the third contact hole.

16. The display apparatus of claim 14 , wherein the pad further comprises a second pad electrode arranged on the first pad electrode.

17. The display apparatus of claim 3 , wherein
the input line further comprises a first input line and a second input line, and
the data line comprises a first data line and a second data line.

18. The display apparatus of claim 17 , wherein
the first data line is directly and electrically connected to the first input line through a fourth contact hole, and
the second input line is electrically connected to the second data line through a data transmission line.

19. The display apparatus of claim 17 , further comprising:
a horizontal connection line arranged on the first organic insulating layer and extending in a first direction; and
a vertical connection line arranged on the second organic insulating layer and extending in a second direction intersecting the first direction.

20. The display apparatus of claim 19 , wherein the vertical connection line is electrically connected to the second input line.

21. The display apparatus of claim 19 , wherein the first data line at least partially overlaps the horizontal connection line in a plan view.

22. The display apparatus of claim 19 , wherein the horizontal connection line is electrically connected to the second data line and the vertical connection line.

23. The display apparatus of claim 22 , wherein the horizontal connection line is electrically connected to the vertical connection line in the display area.

24. The display apparatus of claim 22 , wherein the horizontal connection line is electrically connected to the second data line in the display area.

25. The display apparatus of claim 19 , further comprising:
an auxiliary horizontal connection line spaced apart from the horizontal connection line in the first direction; and
an auxiliary vertical connection line spaced apart from the vertical connection line in the second direction.

26. The display apparatus of claim 25 , wherein the second data line at least partially overlaps the auxiliary horizontal connection line in a plan view.

27. The display apparatus of claim 19 , further comprising:
an additional vertical connection line arranged on the second organic insulating layer and electrically connected to the horizontal connection line and the second data line.

28. The display apparatus of claim 27 , wherein the additional vertical connection line is electrically connected to the second data line in the peripheral area.

29. The display apparatus of claim 28 , wherein the vertical connection line and the second data line are integral with each other.

30. The display apparatus of claim 27 , further comprising:
an additional auxiliary vertical connection line spaced apart from the additional vertical connection line in the second direction.

Assignees

• Samsung Display Co Ltd

Inventors

• Choi Yoonsun
• Cho Seunghwan
• Choi Wonsuk

Classifications

• H10K2102/311

  Flexible OLED · CPC title

• H10K59/1201

  Manufacture or treatment · CPC title

• H10K77/111

  Flexible substrates · CPC title

• H10K71/00

  Manufacture or treatment specially adapted for the organic devices covered by this subclass · CPC title

• H10K59/131 Primary

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