IP Library › Granted Patent US 10,826,013
Granted Patent B2
US 10,826,013 · App. 15/999,177 · Granted Nov 3, 2020

Organic light emitting display device

Inventors: Taehyun Kim (Seoul, KR); Seungmin Lee (Hwaseong-si, KR); Seonyoung Choi (Gunpo-si, KR); Sangho Park (Hwaseong-si, KR); Donghwan Shim (Hwaseong-si, KR); Jungkyu Lee (Incheon, KR); Seunghwan Cho (Yongin-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
H01L51/5203H01L27/1214H01L27/329H01L27/3297H01L51/5044H01L51/5246
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Quick Facts
Patent No.
US 10,826,013
App. No.
15/999,177
Granted
Nov 3, 2020
Kind
B2
Abstract

An OLED display device including: a substrate including a display area and a non-display area; an organic light emitting element including a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer; a first conductive line at the non-display area of the substrate; a first organic layer on the first conductive line; a second conductive line on the first organic layer and connected to the first conductive line; a second organic layer on the second conductive line; and a third conductive line on the second organic layer and connected to the second conductive line. The third conductive line is connected to the second electrode. The first electrode is at the display area of the substrate.

Claims (57)

1. An organic light emitting display device, comprising:

a substrate comprising a display area and a non-display area;

an organic light emitting element comprising a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer, wherein the first electrode is at the display area of the substrate;

a gate line and a data line on the substrate;

a thin film transistor connected to the gate line and the data line;

an insulating layer over the thin film transistor;

a first conductive line over the insulating layer at the non-display area of the substrate;

a first organic layer on the first conductive line;

a second conductive line on the first organic layer and connected to the first conductive line;

a second organic layer on the second conductive line; and

a third conductive line on the second organic layer and connected to the second conductive line,

wherein the third conductive line is connected to the second electrode.

2. The organic light emitting display device of claim 1 , wherein the first conductive line, the second conductive line, and the third conductive line constitute a link line.

3. The organic light emitting display device of claim 1 , wherein the first organic layer has a first contact hole,

the second organic layer has a second contact hole,

the second conductive line is connected to the first conductive line through the first contact hole, and

the third conductive line is connected to the second conductive line through the second contact hole.

4. The organic light emitting display device of claim 1 , further comprising a spacer on the third conductive line.

5. The organic light emitting display device of claim 4 , wherein the spacer comprises a plurality of layers.

6. The organic light emitting display device of claim 4 , wherein the third conductive line has a plurality of holes at an area between the second conductive line and the spacer.

7. The organic light emitting display device of claim 6 , wherein each of the plurality of holes has a diameter from about 1 μm to about 5 μm.

8. The organic light emitting display device of claim 1 , wherein the third conductive line has a plurality of holes at an area overlapping the first organic layer and the second organic layer.

9. The organic light emitting display device of claim 8 , wherein each of the plurality of holes has a diameter from about 1 μm to about 5 μm.

10. The organic light emitting display device of claim 1 , further comprising an inorganic layer between the first conductive line and the first organic layer.

11. The organic light emitting display device of claim 1 , further comprising an inorganic layer between the first organic layer and the second conductive line.

12. The organic light emitting display device of claim 1 , further comprising

a first auxiliary electrode overlapping the thin film transistor and connected to the thin film transistor; and

a second auxiliary electrode between the first auxiliary electrode and the first electrode, wherein the second auxiliary electrode is connected to each of the first auxiliary electrode and the first electrode.

13. The organic light emitting display device of claim 12 , wherein the first conductive line and the first auxiliary electrode are disposed on the same layer.

14. The organic light emitting display device of claim 13 , wherein the second conductive line and the second auxiliary electrode are disposed on the same layer, and the third conductive line and the first electrode are disposed on the same layer.

15. The organic light emitting display device of claim 12 , further comprising a common power line parallel to the data line, wherein the common power line comprises a first power line and a second power line.

16. The organic light emitting display device of claim 15 , wherein the first power line, the first conductive line and the first auxiliary electrode are disposed on the same layer, and

the second power line, the second conductive line and the second auxiliary electrode are disposed on the same layer.

17. The organic light emitting display device of claim 1 , further comprising a thin film encapsulation layer on the second electrode and the third conductive line,

wherein the thin film encapsulation layer comprises: an inorganic layer; and an organic layer.

18. The organic light emitting display device of claim 1 , wherein the substrate comprises a bendable portion.

19. An organic light emitting display device, comprising:

a substrate comprising a display area and a non-display area;

an organic light emitting element comprising a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer, wherein the first electrode is at the display area of the substrate;

a first conductive line at the non-display area of the substrate;

a first organic layer on the first conductive line;

a second conductive line on the first organic layer and connected to the first conductive line;

a second organic layer on the second conductive line;

a third conductive line on the second organic layer and connected to the second conductive line; and

a spacer on the third conductive line,

wherein the third conductive line has a plurality of first holes at an area overlapping the second conductive line and the spacer, and

the second conductive line and the spacer contact each other via the plurality of first holes.

20. The organic light emitting display device of claim 19 , wherein the third conductive line has a plurality of second holes at an area overlapping the first organic layer and the second organic layer.

21. The organic light emitting display device of claim 20 , wherein each of the plurality of first holes and the plurality of second holes has a diameter from about 1 μm to about 5 μm.

22. The organic light emitting display device of claim 19 , wherein the third conductive line is connected to the second electrode.

23. An organic light emitting display device, comprising:

an organic light emitting diode, the organic light emitting diode including a second electrode in a non-display area;

a link line including first, second and third conductive lines sequentially stacked in the non-display area; and

first and second auxiliary electrodes in a display area, the second auxiliary electrode disposed between the first auxiliary electrode and a first electrode, wherein the second auxiliary electrode is connected to the first auxiliary electrode and the first electrode,

wherein the second electrode of the organic light emitting diode in the non-display area is directly on the third conductive line.

24. The organic light emitting display device of claim 23 , wherein the organic light emitting diode includes the first electrode in the display area, the first electrode being directly on a second organic layer in the display area.

25. The organic light emitting display device of claim 24 , wherein the third conductive line is directly connected to the second conductive line through an opening in the second organic layer in the non-display area, and the second conductive line is directly connected to the first conductive line through an opening in a first organic layer in the non-display area.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2018
From: KIM, TAEHYUN; LEE, SEUNGMIN; CHOI, SEONYOUNG; PARK, SANGHO; SHIM, DONGHWAN; LEE, JUNGKYU; CHO, SEUNGHWAN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 047062/0556 →
Priority Claims (1)
KR 10-2017-0117728 · Sep 14, 2017 · national
Continuity (1)
Related Publication 20190081270A1 · Mar 14, 2019