Organic light-emitting display apparatus for increasing contact area between sealing member and insulating layers

• US 10,998,520 B2
• Filed: 08/03/2020
• Issued: 05/04/2021
• Est. Priority Date: 04/03/2015
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Hong, Sangmin, Youn, Jungi, Lee, Goeun
• Primary Examiner(s): Pham, Hoai V
• Application Number:
  US16/983,440
• Publication Number:
  US 20200365824A1
• Time in Patent Office: 274 Days
• CPC Class Codes: H10K 2102/341 Short-circuit prevention
• CPC Class Codes: H10K 50/8426 Peripheral sealing arrangements, e.g. adhesives, sealants
• CPC Class Codes: H10K 59/124 Insulating layers formed between TFT elements and OLED elements
• CPC Class Codes: H10K 59/131 Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 59/8722 Peripheral sealing arrangements, e.g. adhesives, sealants

Abstract

An organic light-emitting display apparatus including a first substrate including a display area and a peripheral area; a second substrate opposing the first substrate; an insulating layer disposed on the first substrate and including one or more openings; and a sealing member interconnecting the first substrate and the second substrate to each other and interposed between the first and second substrates. The one or more openings are disposed between a first conductive layer disposed on the display area and a second conductive layer disposed on the peripheral area. The one or more openings are at least partially or entirely filled with the sealing member.

Claims

1. An organic light-emitting display apparatus including a display area and a peripheral area surrounding the display area, the apparatus comprising:

a first substrate;

an organic light-emitting element on the first substrate and electrically connected to a transistor, the organic light-emitting element including a first electrode, an intermediate layer, and a second electrode;

a second substrate opposing the first substrate;

a seal member interposed between the first substrate and the second substrate, the seal member being in the peripheral area and surrounding the display area;

a conductive layer including a plurality of holes, and at least partially overlapped with the seal member;

a power line on the first substrate, the power line being arranged in the peripheral area such that the power line is closer to the display area than the seal member and the conductive layer; and

a wiring on the first substrate and electrically coupling the second electrode to the power line.

2. The organic light-emitting display apparatus of claim 1, further comprising an insulation layer between the power line and the wiring.

3. The organic light-emitting display apparatus of claim 2, wherein the wiring comprises a material the same as that of the first electrode.

4. The organic light-emitting display apparatus of claim 2, wherein:

the wiring includes a plurality of holes overlapping the insulation layer; and

the second electrode of the organic light-emitting element directly contacts with the wiring.

5. The organic light-emitting display apparatus of claim 4, wherein the insulation layer comprises an organic insulation material.

6. The organic light-emitting display apparatus of claim 1, further comprising at least one inorganic insulation layer between the first substrate and the seal,

wherein:

the at least one inorganic insulation layer including a first group having a plurality of first holes, and a second group having a plurality of second holes; and

a first gap between adjacent two first holes and a second gap between adjacent two second holes are less than a distance between the first group and the second group.

7. The organic light-emitting display apparatus of claim 1, wherein the transistor comprises:

a semiconductor layer;

a gate electrode on the semiconductor layer; and

a source or drain electrode electrically connected to a portion of the semiconductor layer,

wherein the power line comprises a material the same as that of the source or drain electrode.

8. The organic light-emitting display apparatus of claim 7, wherein the power line comprises a triple-layered structure including a titanium layer, an aluminum layer, and a titanium layer.

9. The organic light-emitting display apparatus of claim 7, wherein the conductive layer comprises a material the same as that of the gate electrode.

10. The organic light-emitting display apparatus of claim 1, wherein:

the sealing member comprises an inner lateral surface toward the display area and an outer lateral surface opposite to the inner lateral surface; and

the outer lateral surface of the sealing member is spaced a part from an edge of the first or second substrate.

11. The organic light-emitting display apparatus of claim 1, further comprising a plurality of insulation layers over the conductive layer and including a plurality of openings.

12. The organic light-emitting display apparatus of claim 11, wherein the plurality of openings are at least partially filed with a material of the seal member.

13. The organic light-emitting display apparatus of claim 11, wherein the plurality of insulation layers comprises an inorganic insulation material.