IP Library Granted Patent US 10,749,137
Granted Patent B2
US 10,749,137 · App. 16/442,387 · Granted Aug 18, 2020

Organic light-emitting display apparatus

Inventor: Moongon Kim (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
H01L51/5237H01L51/5256H01L27/3276
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Quick Facts
Patent No.
US 10,749,137
App. No.
16/442,387
Granted
Aug 18, 2020
Kind
B2
Abstract

An organic light-emitting display apparatus includes: a substrate; a display unit on the substrate and including a display area and a non-display area outside of the display area; and a thin-film encapsulation layer that seals the display unit, wherein the non-display area includes a dam region located outside of the display area and a plurality of protrusions on at least a part of the display unit outside of the dam region.

Claims (82)

1. An organic light-emitting display apparatus comprising:

a substrate;

a plurality of organic light-emitting devices over the substrate;

a thin-film encapsulation layer over the plurality of organic light-emitting devices;

a power supply wire over the substrate, wherein the power supply wire, on plan view, is located outside of the plurality of organic light-emitting devices;

a protrusion, on plan view, located outside of the plurality of organic light-emitting devices; and

a concave and convex portion, on plan view, located outside of the protrusion,

wherein the protrusion overlaps and contacts at least an outer edge of the power supply wire.

2. The organic light-emitting display apparatus of claim 1 , wherein the concave and convex portion comprises a plurality of concave portions spaced apart from each other at regular intervals.

3. The organic light-emitting display apparatus of claim 1 , wherein the concave and convex portion surrounds the plurality of organic light-emitting devices.

4. The organic light-emitting display apparatus of claim 1 , further comprising thin-film transistors electrically coupled to the plurality of organic light-emitting devices, and

wherein the power supply wire and the plurality of organic light-emitting devices are electrically coupled to each other through a wire.

5. The organic light-emitting display apparatus of claim 4 , wherein the thin-film encapsulation layer comprises:

a first inorganic film;

a first organic film on the first inorganic film; and

a second inorganic film on the first organic film, and

wherein a portion of the wire directly contacts the first inorganic film.

6. The organic light-emitting display apparatus of claim 4 , further comprising a passivation film between the thin-film transistors and the plurality of organic light-emitting devices; and

a pixel-defining film defining pixel regions of the plurality organic light-emitting devices,

wherein the protrusion comprises a same material as at least one selected from the passivation film and the pixel-defining film.

7. The organic light-emitting display apparatus of claim 6 , wherein the protrusion comprises:

a first layer comprising a same material as the passivation film; and

a second layer on the first layer comprising a same material as the pixel-defining film.

8. The organic light-emitting display apparatus of claim 6 , wherein each of the thin-film transistors comprises:

an active layer;

a gate electrode;

a source electrode; and

a drain electrode,

wherein a gate insulating layer is located between the active layer and the gate electrode,

an interlayer insulating film is located between the gate electrode and the source and drain electrodes, and

the gate insulating layer and the interlayer insulating film extend outside of the protrusion.

9. The organic light-emitting display apparatus of claim 8 , wherein the thin-film encapsulation layer comprises at least one inorganic film,

wherein the at least one inorganic film contacts the interlayer insulating film outside of the protrusion.

10. An organic light-emitting display apparatus comprising:

a substrate;

a display unit on the substrate and comprising a display area and a non-display area outside of the display area; and

a thin-film encapsulation layer over the display unit,

wherein the non-display area comprises a protrusion located outside of the display area, and

wherein a power supply wire is located in the non-display area, and the protrusion covers a portion of top surface and outer side surface of the power supply wire.

11. The organic light-emitting display apparatus of claim 10 , wherein the display unit comprises a thin-film transistor and an organic light-emitting device electrically coupled to the thin-film transistor; and

wherein the power supply wire and the organic light-emitting device are electrically coupled to each other through a wire.

12. The organic light-emitting display apparatus of claim 11 , wherein the thin-film encapsulation layer comprises:

a first inorganic film;

a first organic film on the first inorganic film; and

a second inorganic film on the first organic film, and

wherein a portion of the wire directly contacts the first inorganic film.

13. The organic light-emitting display apparatus of claim 10 , wherein the display unit comprises:

a thin-film transistor;

an organic light-emitting device electrically coupled to the thin-film transistor;

a passivation film between the thin-film transistor and the organic light-emitting device; and

a pixel-defining film defining a pixel region of the organic light-emitting device,

wherein the protrusion comprises a same material as at least one selected from the passivation film and the pixel-defining film.

14. The organic light-emitting display apparatus of claim 13 , wherein the protrusion comprises:

a first layer comprising a same material as the passivation film; and

a second layer on the first layer and comprising a same material as the pixel-defining film.

15. The organic light-emitting display apparatus of claim 11 , wherein the thin-film transistor comprises:

an active layer;

a gate electrode;

a source electrode; and

a drain electrode,

wherein a gate insulating layer is located between the active layer and the gate electrode, and an interlayer insulating film is located between the gate electrode and the source and drain electrodes, and

the gate insulating layer and the interlayer insulating film extend to the non-display area.

16. The organic light-emitting display apparatus of claim 15 , wherein the thin-film encapsulation layer comprises at least one inorganic film, and

wherein the at least one inorganic film contacts the interlayer insulating film outside of the protrusion.

17. The organic light-emitting display apparatus of claim 10 , wherein the thin-film encapsulation layer comprises:

a first inorganic film;

a first organic film on the first inorganic film; and

a second inorganic film on the first organic film, and

wherein the first inorganic film and the second inorganic film contact each other outside of the protrusion.

18. An organic light-emitting display apparatus comprising:

a substrate;

a plurality of organic light-emitting devices over the substrate;

a thin-film encapsulation layer over the plurality of organic light-emitting devices;

a power supply wire over the substrate, wherein the power supply wire, on plan view, is located outside of the plurality of organic light-emitting devices; and

a protrusion, on plan view, located outside of the plurality of organic light-emitting devices,

wherein the protrusion overlaps and contacts at least an outer edge of the power supply wire, and

wherein the protrusion has a first thickness on the power supply wire and a second thickness outside the power supply wire, the second thickness larger than the first thickness.

19. The organic light-emitting display apparatus of claim 18 , further comprising thin-film transistors electrically coupled to the plurality of organic light-emitting devices, and

wherein the power supply wire and the plurality of organic light-emitting devices are electrically coupled to each other through a wire.

20. The organic light-emitting display apparatus of claim 19 , further comprising a passivation film between the thin-film transistors and the plurality of organic light-emitting devices; and

a pixel-defining film defining pixel regions of the plurality organic light-emitting devices,

wherein the protrusion comprises a same material as at least one selected from the passivation film and the pixel-defining film.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 23, 2019
From: KIM, MOONGON
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 050144/0558 →
Continuity (4)
Continuation 15973402 · May 7, 2018
Continuation 15628557 · Jun 20, 2017
Continuation 14884610 · Oct 15, 2015
Related Publication 20190305248A1 · Oct 3, 2019
Cited By (3)
US 12,207,492 US 12,396,340 US 12,426,481