IP Library › Granted Patent US 10,361,393
Granted Patent B2
US 10,361,393 · App. 15/496,803 · Granted Jul 23, 2019

Display apparatus including a high-density inorganic layer

Inventors: Changok Kim (Hwaseong-si, KR); Kiho Bang (Hwaseong-si, KR); Yeoungkeol Woo (Seoul, KR); Sangwook Lee (Yongin-si, KR); Hyeongi Cho (Cheonan-si, KR)
Assignee: Samsung Display Co., Ltd.
H01L51/5246H01L27/323H01L27/3262H01L51/0097H01L51/5253H01L51/5281
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Quick Facts
Patent No.
US 10,361,393
App. No.
15/496,803
Granted
Jul 23, 2019
Kind
B2
Abstract

A display apparatus includes an organic light emitting display panel including a thin film encapsulation layer, a first conductive layer directly on the thin film encapsulation layer, at least one inorganic layer on the thin film encapsulation layer and having a density of about 2.05 g/cm 3 to about 2.4 g/cm 3 , and a window on the at least one inorganic layer. In the display apparatus according to embodiments of the present disclosure, the generation of bubbles may be suppressed or reduced.

Claims (59)

1. A display apparatus comprising:

an organic light emitting display panel comprising a base layer, a circuit layer on the base layer, a light emitting element layer on the circuit layer, and a thin film encapsulation layer on the light emitting element layer;

a first conductive layer on the thin film encapsulation layer;

a second conductive layer on the thin film encapsulation layer, the second conductive layer being on a layer other than the first conductive layer;

at least one inorganic layer directly on the thin film encapsulation layer and having a density of about 2.05 g/cm 3 to about 2.4 g/cm 3 ;

an organic layer on the at least one inorganic layer; and

a window facing the organic light emitting display panel, with the first conductive layer, the at least one inorganic layer, and the organic layer between the window and the organic light emitting display panel.

2. The display apparatus of claim 1 , wherein the at least one inorganic layer comprises a silicon nitride layer having a density of about 2.05 g/cm 3 to about 2.4 g/cm 3 .

3. The display apparatus of claim 1 , wherein the thin film encapsulation layer comprises:

a plurality of inorganic thin films; and

at least one organic thin film between the plurality of inorganic thin films.

4. The display apparatus of claim 3 , wherein the at least one inorganic layer comprises:

a first inorganic layer between the first conductive layer and the second conductive layer; and

a second inorganic layer on the first conductive layer and the second conductive layer.

5. The display apparatus of claim 3 , wherein the at least one inorganic layer is between the first conductive layer and the second conductive layer, and

the organic layer is contacted with the second conductive layer.

6. The display apparatus of claim 5 , further comprising an organic adhesion layer configured to couple the window to the organic light emitting display panel.

7. The display apparatus of claim 3 , wherein the at least one inorganic layer is contacted with the second conductive layer, and

wherein the display apparatus further comprises an intermediate insulation layer between the first conductive layer and the second conductive layer.

8. The display apparatus of claim 7 , wherein the organic layer comprises an organic adhesion layer configured to couple the window to the organic light emitting display panel.

9. The display apparatus of claim 1 , further comprising a polarizing film between the at least one inorganic layer and the window.

10. The display apparatus of claim 1 , wherein the first conductive layer comprises bridge parts, and

the second conductive layer comprises:

connection parts respectively crossing the bridge parts,

first touch sensor parts, the connection parts respectively connecting adjacent first touch sensor parts, and

second touch sensor parts, the bridge parts respectively connecting adjacent second touch sensor parts.

11. The display apparatus of claim 10 , wherein the light emitting element layer comprises an emission area and an non-emission area adjacent to the emission area,

wherein each of the first touch sensor parts and the second touch sensor parts has a mesh pattern and overlaps the non-emission area.

12. The display apparatus of claim 1 , wherein the first conductive layer comprises:

connection parts,

first touch sensor parts, the connection parts respectively connecting adjacent first touch sensor parts, and

second touch sensor parts spaced apart from the first touch sensor parts, and

the second conductive layer comprises bridge parts, the bridge parts respectively connecting adjacent second touch sensor parts and respectively crossing the connection parts.

13. The display apparatus of claim 1 , wherein the first conductive layer comprises first connection parts and first touch sensor parts, the first connection parts respectively connecting adjacent first touch sensor parts, and

the second conductive layer comprises second connection parts respectively crossing the first connection parts, and second touch sensor parts, the second connection parts respectively connecting adjacent second touch sensor parts.

14. The display apparatus of claim 1 , wherein first light reflected by the first conductive layer and second light reflected by the second conductive layer have a phase difference of about 180° therebetween.

15. The display apparatus of claim 14 , wherein the at least one inorganic layer comprises:

a first inorganic layer between the first conductive layer and the second conductive layer, and a second inorganic layer on the first conductive layer and the second conductive layer.

16. The display apparatus of claim 1 , wherein the window comprises a plastic film.

17. The display apparatus of claim 16 , wherein the organic layer comprises an organic adhesion layer contacting the window.

18. A display apparatus comprising:

an organic light emitting display panel comprising a base layer, a circuit layer on the base layer, a light emitting element layer on the circuit layer, and a thin film encapsulation layer on the light emitting element layer;

a touch sensing unit directly on the thin film encapsulation layer;

an organic adhesion layer on the touch sensing unit; and

a window facing the organic light emitting display panel, with the touch sensing unit and the organic adhesion layer between the window and the organic light emitting display panel,

wherein the touch sensing unit comprises:

conductive patterns on the thin film encapsulation layer; and

an insulation layer covering the conductive patterns,

wherein the insulation layer comprises an inorganic layer having a density of about 2.05 g/cm 3 to about 2.4 g/cm 3 .

19. A display apparatus comprising:

a display panel comprising a first inorganic layer;

first conductive patterns directly on the first inorganic layer;

a first insulation layer covering the first conductive patterns;

second conductive patterns directly on the first insulation layer;

second insulation layer covering the second conductive patterns;

an organic adhesion layer on the second insulation layer; and

a window facing the display panel with the organic adhesion layer between the window and the display panel,

wherein at least one of the first insulation layer and the second insulation layer comprises an inorganic layer having a density of about 2.05 g/cm 3 to about 2.4 g/cm 3 .

20. The display apparatus of claim 19 , wherein the inorganic layer of the at least one of the first insulation layer and the second insulation layer comprises a silicon nitride layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2017
From: KIM, CHANGOK; BANG, KIHO; WOO, YEOUNGKEOL; LEE, SANGWOOK; CHO, HYEONGI
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 042236/0046 →
Priority Claims (1)
KR 10-2016-0081054 · Jun 28, 2016 · national
Continuity (1)
Related Publication 20170373270A1 · Dec 28, 2017
Cited By (1)
US 12,334,480