IP Library › Granted Patent US 8,901,806
Granted Patent B2
US 8,901,806 · App. 13/775,455 · Granted Dec 2, 2014

Display device and method of manufacturing thereof

Inventors: Masayuki Sakakura (Kanagawa, JP); Hiromichi Godo (Kanagawa, JP); Kaoru Tsuchiya (Kanagawa, JP)
Assignee: Semiconductor Energy Laboratory Co., Ltd.
H01L33/44H05B33/14H01L2251/5323H01L51/5237H05B33/04
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Quick Facts
Patent No.
US 8,901,806
App. No.
13/775,455
Granted
Dec 2, 2014
Kind
B2
Abstract

A novel display device with higher reliability having a structure of blocking moisture and oxygen, which deteriorate the characteristics of the display device, from penetrating through a sealing region and a method of manufacturing thereof is provided. According to the present invention, a display device and a method of manufacturing the same comprising: a display portion formed by aligning a light-emitting element using an organic light-emitting material between a pair of substrate, wherein the display portion is formed on an insulating layer formed on any one of the substrates, the pair of substrates is bonded to each other with a sealing material formed over the insulating layer while surrounding a periphery of the display portion, at least one layer of the insulating layer is made of an organic resin material, the periphery has a first region and a second region, the insulating layer in the first region has an opening covered with a protective film, the sealing material is formed in contact with the opening and the protective film, an outer edge portion of the insulating layer in the second region is covered with the protective film or the sealing material.

Claims (59)

1. A display device comprising:

an insulating layer including an opening over a first substrate;

a protective film over the insulating layer and in the opening;

a second substrate over the insulating layer; and

a sealing material for adhering the first substrate and the second substrate, over the insulating layer,

wherein the opening is below the sealing material, and

wherein the opening and the sealing material overlap each other.

2. The display device according to claim 1 , wherein the insulating layer comprises an organic resin material.

3. The display device according to claim 2 , wherein the organic resin material comprises one or more materials selected from acrylic, polyamide, polyimide, and silicon oxide containing alkyl group.

4. The display device according to claim 1 , the display device further comprises a light-emitting element over the insulating layer.

5. The display device according to claim 1 , wherein an outer edge portion of the insulating layer is covered with the protective film or the sealing material.

6. The display device according to claim 1 , wherein the protective film comprises one or more films selected from a thin conductive film or a thin insulating film.

7. The display device according to claim 6 , wherein the thin conductive film comprises one or more elements selected from Al, Ti, Mo, W, and Si.

8. The display device according to claim 6 , wherein the thin insulating film comprises one or more films selected from a silicon nitride film, a silicon nitride oxide film, and a carbon nitride film.

9. The display device according to claim 1 , wherein the display device is incorporated into an electronic device selected from the group consisting of a personal computer, a video camera, a mobile computer, a goggle type display, a player, a digital camera, a cellular phone, and a portable book.

10. A display device comprising:

a pair of substrates;

an insulating layer comprising an organic resin material over one of the pair of substrates;

a display portion over the insulating layer, the display portion comprising a light-emitting element including an organic material; and

a sealing material surrounding a periphery of the display portion over the insulating layer,

wherein the pair of substrates is bonded to each other with the sealing material,

wherein the periphery of the display portion comprises a first region and a second region,

wherein the insulating layer in the first region has an opening covered with a protective film, and the sealing material is in contact with the opening and the protective film,

wherein an outer edge portion of the insulating layer in the second region is covered with the protective film or the sealing material, and

wherein the opening and the sealing material overlap each other.

11. The display device according to claim 10 , wherein the outer edge portion of the insulating layer in the first region is covered with the protective film or the sealing material.

12. The display device according to claim 10 , wherein the protective film comprises one or more films selected from a thin conductive film or a thin insulating film.

13. The display device according to claim 12 , wherein the thin conductive film comprises one or more elements selected from Al, Ti, Mo, W, and Si.

14. The display device according to claim 12 , wherein the thin insulating film comprises one or more films selected from a silicon nitride film, a silicon nitride oxide film, and a carbon nitride film.

15. The display device according to claim 10 , wherein the organic resin material comprises one or more materials selected from acrylic, polyamide, polyimide, and silicon oxide containing alkyl group.

16. The display device according to claim 10 , wherein the display device is incorporated into an electronic device selected from the group consisting of a personal computer, a video camera, a mobile computer, a goggle type display, a player, a digital camera, a cellular phone, and a portable book.

17. A display device comprising:

a pair of substrates;

an insulating layer comprising an organic resin material over one of the pair of substrates;

a display portion over the insulating layer, the display portion comprising a light-emitting element including an organic material; and

a sealing material surrounding a periphery of the display portion over the insulating layer,

wherein the pair of substrates is bonded to each other with the sealing material,

wherein the periphery of the display portion comprises a first region and a second region,

wherein the insulating layer in the first region comprises a plurality of depressions and projections covered with a protective film, and the sealing material is in contact with the plurality of depressions and projections and the protective film,

wherein an outer edge portion of the insulating layer in the second region is covered with the protective film or the sealing material, and

wherein the plurality of depressions and the sealing material overlap each other.

18. The display device according to claim 17 , wherein the outer edge portion of the insulating layer in the first region is covered with the protective film or the sealing material.

19. The display device according to claim 17 , wherein the protective film comprises one or more films selected from a thin conductive film or a thin insulating film.

20. The display device according to claim 19 , wherein the thin conductive film comprises one or more elements selected from Al, Ti, Mo, W, and Si.

21. The display device according to claim 19 , wherein the thin insulating film comprises one or more films selected from a silicon nitride film, a silicon nitride oxide film, and a carbon nitride film.

22. The display device according to claim 17 , wherein the organic resin material comprises one or more materials selected from acrylic, polyamide, polyimide, and silicon oxide containing alkyl group.

23. The display device according to claim 17 , wherein the display device is incorporated in to an electronic device selected from the group consisting of a personal computer, a video camera, a mobile computer, a goggle type display, a player, a digital camera, a cellular phone, and a portable book.

24. A display device comprising:

an insulating layer including an opening over a substrate;

a protective film over the insulating layer and in the opening; and

a sealing material over the insulating layer,

wherein the opening is formed at a periphery of the substrate, and

wherein the opening and the sealing material overlap each other.

25. The display device according to claim 24 ,

wherein the insulating layer comprises an organic resin material,

wherein the organic resin material comprises one or more materials selected from acrylic, polyamide, polyimide, and silicon oxide containing alkyl group.

26. The display device according to claim 24 , the display device further comprises a light-emitting element over the insulating layer.

27. The display device according to claim 24 , wherein the protective film comprises one or more films selected from a thin conductive film or a thin insulating film.

28. The display device according to claim 24 , wherein the display device is incorporated into an electronic device selected from the group consisting of a personal computer, a video camera, a mobile computer, a goggle type display, a player, a digital camera, a cellular phone, and a portable book.

Priority Claims (1)
JP 2003-184354 · Jun 27, 2003 · national
Continuity (3)
Continuation 12351983 · Jan 12, 2009
Division 10868920 · Jun 16, 2004
Related Publication 20130175710A1 · Jul 11, 2013