IP Library › Granted Patent US 12,219,707
Granted Patent B2
US 12,219,707 · App. 18/223,245 · Granted Feb 4, 2025

Connection member and display device including same

Inventors: Kyu Min Han (Seosan-si, KR); Seung Hwan Cheong (Seoul, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
H05K1/118H05K1/0218H05K2201/0715H05K2201/10128
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Quick Facts
Patent No.
US 12,219,707
App. No.
18/223,245
Granted
Feb 4, 2025
Kind
B2
Abstract

A connection member includes a first region, a second region, and a third region, where a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region, a first layer, which is an uppermost layer of the second region, extends to the third region, a second layer, which is a lowermost layer of the third region, extends to the second region, and a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.

Claims (93)

1. A connection member comprising

a first region, a second region, and a third region,

a first conductive layer,

a second conductive layer,

a third conductive layer,

a first insulating layer disposed between the first conductive layer and the second conductive layer,

a second insulating layer disposed between the second conductive layer and the third conductive layer, and

a cover layer overlapped the second region and the third region,

wherein the second region overlapped the first conductive layer, the second conductive layer, the third conductive layer, the first insulating layer and the second insulating layer,

wherein the third region dose not overlapped the first conductive layer and the third conductive layer,

wherein the third region overlapped an edge of the first insulating layer and an edge of the second insulating layer,

the edge of the first insulating layer and the edge of the second insulating layer are covered by the cover layer.

2. The connection member of claim 1 ,

the cover layer includes a first layer, which is an uppermost layer of the second region, extends to the third region,

a second layer, which is a lowermost layer of the third region, extends to the second region.

3. The connection member of claim 2 , wherein

the first layer is an insulating layer including a black material.

4. The connection member of claim 3 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

5. The connection member of claim 2 , wherein

the first layer is a shielding film.

6. The connection member of claim 5 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

7. The connection member of claim 2 , wherein

the first layer is a stacked structure of an insulating layer including a black material and a shielding film.

8. The connection member of claim 7 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

9. The connection member of claim 2 , wherein the second region further includes:

a photo solder resist layer disposed on an upper surface of the first conductive layer,

wherein the photo solder resist layer is disposed in a same layer as the first layer.

10. The connection member of claim 1 ,

wherein no other layer is disposed between the edge of the first insulating layer and the cover layer.

11. The connection member of claim 1 ,

wherein a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region.

12. The connection member of claim 1 , wherein

a pad part, which is connected to a panel, is disposed in the first region.

13. The connection member of claim 1 , wherein

the second conductive layer extends in the first region.

14. The connection member of claim 1 , wherein

the second conductive layer extends in the third region.

15. The connection member of claim 1 , further comprising

a fourth conductive layer and

a fifth conductive layer,

wherein the second region overlapped the fourth conductive layer and the fifth conductive layer and

the third region overlapped the fourth conductive layer and the fifth conductive layer.

16. A display device comprising:

a display panel;

a body unit; and

a connection member which connects the display panel and the body unit to each other,

wherein the connection member includes a first region, a second region, and a third region,

a first conductive layer,

a second conductive layer,

a third conductive layer,

a first insulating layer disposed between the first conductive layer and the second conductive layer,

a second insulating layer disposed between the second conductive layer and the third conductive layer, and

a cover layer overlapped the second region and the third region,

the second region overlapped the first conductive layer, the second conductive layer, the third conductive layer, the first insulating layer and the second insulating layer,

the third region dose not overlapped the first conductive layer and the third conductive layer,

the third region overlapped an edge of the first insulating layer and an edge of the second insulating layer,

the edge of the first insulating layer and the edge of the second insulating layer are covered by the cover layer.

17. The display device of claim 16 ,

the cover layer includes a first layer, which is an uppermost layer of the second region, extends to the third region,

a second layer, which is a lowermost layer of the third region, extends to the second region.

18. The display device of claim 17 ,

Wherein the first layer is an insulating layer including a black material.

19. The display device of claim 18 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

20. The display device of claim 17 , wherein

the first layer is a shielding film.

21. The display device of claim 20 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

22. The display device of claim 17 , wherein

the first layer is a stacked structure of an insulating layer including a black material and a shielding film.

23. The display device of claim 22 , wherein

the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.

24. The display device of claim 17 , wherein the second region further includes:

a photo solder resist layer disposed on an upper surface of the first conductive layer,

wherein the photo solder resist layer is disposed in a same layer as the first layer.

25. The display device of claim 16 ,

wherein no other layer is disposed between the edge of the first insulating layer and the cover layer.

26. The display device of claim 16 ,

wherein a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region.

27. The display device of claim 16 , wherein

a pad part, which is connected to a panel, is disposed in the first region.

28. The display device of claim 16 , wherein

the second conductive layer extends in the first region.

29. The display device of claim 16 , wherein

the second conductive layer extends in the third region.

30. The display device of claim 16 , further comprising

a fourth conductive layer and

a fifth conductive layer,

wherein the second region overlapped the fourth conductive layer and the fifth conductive layer and

the third region overlapped the fourth conductive layer and the fifth conductive layer.

Priority Claims (1)
KR 10-2021-0032661 · Mar 12, 2021 · national
Continuity (2)
Continuation 17389564 · Jul 30, 2021
Related Publication 20230363091A1 · Nov 9, 2023
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KR 1020200019534A · 2020 [cited by applicant]
KR 102154193B1 · 2020 [cited by applicant]