Organic light-emitting display panel and organic light-emitting display device including the same

Patent metadata

Field	Value
Publication number	US-12389771-B2
Application number	US-202217975351-A
Country	US
Kind code	B2
Filing date	Oct 27, 2022
Priority date	Nov 16, 2021
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

Embodiments of the present disclosure relate to an organic light-emitting display panel and an organic light-emitting display device including the same. The organic light-emitting display device can include at least one emission area including a first sub-emission area disposed in a first sub-row and a second sub-emission area disposed in a second sub-row adjacent to the first sub-row, wherein a plurality of first electrodes are disposed in each of the first and second sub-emission areas, and a connection pattern electrically connected to the first electrode and including a first connection pattern and a second connection pattern electrically connected to and formed integrally with a circuit area. A repair pattern is disposed between the first sub-emission area of one emission area and the second sub-emission area of the emission area disposed in another adjacent row.

First claim

What is claimed is:

1. An organic light-emitting display device comprising:
a plurality of emission areas, wherein at least one emission area among the plurality of emission areas comprises a first sub-emission area disposed in a first sub-row and a second sub-emission area disposed in a second sub-row adjacent to the first sub-row, and a plurality of first electrodes are disposed in each of the first and second sub-emission areas;
a non-emission area configured to surround the emission areas;
a circuit area disposed between the first sub-row and the second sub-row and configured to drive the first and second sub-emission areas; and
a connection pattern electrically connected to the first electrode and comprising a first connection pattern and a second connection pattern electrically connected to and formed integrally with the circuit area,
wherein;
the first electrode disposed in the first sub-emission area is connected to the first connection pattern;
the first electrode disposed in the second sub-emission area is connected to the second connection pattern;
a repair pattern is disposed between the first sub-emission area of one emission area and the second sub-emission area of the emission area disposed in another adjacent row; and
the repair pattern is spaced apart from the connection pattern.

2. The organic light-emitting display device of claim 1 , wherein the first sub-emission area and the second sub-emission area driven through the one circuit area emit a same color light.

3. The organic light-emitting display device of claim 1 , wherein:
the plurality of emission areas are disposed in a plurality of rows and a plurality of columns;
the emission areas configured to emit light having different colors are alternately disposed in the plurality of rows; and
the emission areas configured to emit the same color light are disposed in one column.

4. The organic light-emitting display device of claim 3 , wherein the first electrode disposed in the first sub-emission area of the at least one emission area disposed in one row and the first electrode disposed in the second sub-emission area of the emission area disposed in another row adjacent to the one row overlap one repair pattern.

5. The organic light-emitting display device of claim 4 , wherein the one repair pattern is disposed between the first and second connection patterns.

6. The organic light-emitting display device of claim 1 , comprising:
a transistor disposed on a substrate;
an insulating layer disposed on the transistor;
a plurality of repair patterns, each of which is identical to the repair pattern, disposed on the insulating layer;
an overcoat layer disposed on the repair patterns; and
the first electrode and the connection pattern disposed on the overcoat layer,
wherein two first electrodes are connected to one connection pattern.

7. The organic light-emitting display device of claim 6 , wherein the connection pattern is electrically connected to the transistor through a contact hole formed in the overcoat layer and the insulating layer.

8. The organic light-emitting display device of claim 7 , wherein:
the overcoat layer comprises a first hole spaced apart from the contact hole and a second hole spaced apart from the first hole and the contact hole; and
the connection pattern is disposed in the first hole and the second hole.

9. The organic light-emitting display device of claim 8 , wherein:
the first hole is formed in the non-emission area around the first sub-emission area of the at least one emission area disposed in one row; and
the second hole is formed in the non-emission area around the second sub-emission area of the emission area disposed in another row adjacent to the one row.

10. The organic light-emitting display device of claim 9 , wherein:
the first connection pattern disposed in the first hole is electrically connected to the first electrode disposed in the first sub-emission area; and
the second connection pattern disposed in the second hole is electrically connected to the first electrode disposed in the second sub-emission area.

11. The organic light-emitting display device of claim 6 , wherein, when a foreign material is disposed on at least one first connection pattern of a plurality of first connection patterns each identical to the first connection pattern,
the first connection pattern on which the foreign material is disposed is electrically disconnected from the circuit area, and
the first electrode electrically connected to the first connection pattern on which the foreign material is disposed is electrically connected to the circuit area in another adjacent row through a connection of the first electrode positioned in another adjacent row and the repair pattern.

12. The organic light-emitting display device of claim 1 , wherein:
the at least one emission area further comprises a third sub-emission area spaced apart from the first sub-emission area and disposed in the first sub-row, and a fourth sub-emission area spaced apart from the second sub-emission area and disposed in the second sub-row; and
the first to fourth sub-emission areas emit a same color light.

13. The organic light-emitting display device of claim 12 , wherein:
the connection pattern further comprises a third connection pattern and a fourth connection pattern;
the first electrode disposed in the third sub-emission area is electrically connected to the third connection pattern; and
the first electrode disposed in the fourth sub-emission area is connected to the fourth connection pattern.

14. The organic light-emitting display device of claim 13 , wherein the first to fourth connection patterns are areas into which an area in which a contact hole of the overcoat layer disposed below the connection pattern is formed branches off.

15. The organic light-emitting display device of claim 12 , wherein:
the connection pattern further comprises one or more reflective patterns; and
the reflective pattern is disposed between the first sub-emission area and the third sub-emission area and disposed between the second sub-emission area and the fourth sub-emission area.

16. The organic light-emitting display device of claim 15 , wherein the reflective pattern between the first sub-emission area and the third sub-emission area of the at least one emission area disposed in one row and the reflective pattern between the second sub-emission area and the fourth sub-emission area of the emission area disposed in another row adjacent to the one row each overlap one repair pattern.

17. The organic light-emitting display device of claim 16 , comprising:
an insulating layer disposed on a substrate;
the plurality of reflective patterns disposed on the insulating layer and spaced apart from each other;
an overcoat layer disposed on the reflective patterns; and
the repair pattern disposed on the overcoat layer and overlapping a portion of each of at least two reflective patterns among the plurality of reflective patterns.

18. The organic light-emitting display device of claim 17 , wherein, when a foreign material is disposed on at least one first connection pattern of a plurality of first connection patterns identical to the first connection pattern,
the first connection pattern on which the foreign material is disposed is electrically disconnected from the circuit area, and
the first electrode electrically connected to the first connection pattern on which the foreign material is disposed is electrically connected to the circuit area in another adjacent row through a

Assignees

• Lg Display Co Ltd

Inventors

• Seong Sejong
• Lee Soyoung
• Kim Jongsung

Classifications

• H10K59/124

  Insulating layers formed between TFT elements and OLED elements · CPC title

• H10K59/131 Primary

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

• H10K59/878

  comprising reflective means · CPC title

• H10K59/121

  characterised by the geometry or disposition of pixel elements · CPC title

• H10K59/30 Primary

  Devices specially adapted for multicolour light emission · CPC title