Light emitting device and electronic apparatus
View Patent ↗A light emitting device which is capable of suppressing deterioration by diffusion of impurities such as moisture, oxygen, alkaline metal and alkaline earth metal, and concretely, a flexible light emitting device which has light emitting element formed on a plastic substrate. On the plastic substrate, disposed are two layers and more of barrier films comprising a layer represented by AlNxOy which is capable of blocking intrusion of moisture and oxygen in a light emitting layer and blocking intrusion of impurities such as an alkaline metal and an alkaline earth metal in an active layer of TFT, and further, a stress relaxation film containing resin is disposed between two layers of barrier films.
1. A light emitting device comprising;
a light emitting element over a substrate having an insulating surface, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer,
wherein a layer comprising Al, N and O is provided in contact with the substrate, and
wherein the layer comprising Al, N and O contains a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
2. A light emitting device comprising;
a light emitting element over a substrate having an insulating surface, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer,
wherein a layer comprising Al, N and O is provided in contact with the substrate, and
wherein the layer comprising Al, N and O contains a phosphorous element or boron element of 0.1 atm % to 5 atm %.
3. An electronic apparatus comprising the light emitting device according to claim 1 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
4. A light emitting device comprising:
a first substrate;
a second substrate; and
a light emitting element between the first and second substrates, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer,
wherein a first layer comprising Al, N and O is provided in contact with the first substrate and a second layer comprising Al, N and O is provided in contact with the second substrate, and
wherein the light emitting element is covered by the second layer comprising Al, N and O.
5. A light emitting device according to claim 4 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
6. A light emitting device according to claim 4 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
7. A light emitting device according to claim 4 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
8. An electronic apparatus comprising the light emitting device according to claim 4 wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
9. A light emitting device comprising:
a substrate;
a layer comprising Al, N and O on the substrate;
a layer comprising organic resin on the layer comprising Al, N and O; and
a light emitting element over the substrate with at least the layer comprising Al, N and O and the layer comprising organic resin interposed between the light emitting element and the substrate, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
10. A light emitting device according to claim 9 , wherein stress of the layer comprising organic resin is smaller than that of the layer comprising Al, N and O.
11. A light emitting device according to claims 9 , wherein the layer comprising organic resin comprises a layer adhering the substrate.
12. A light emitting device according to claim 9 , wherein the light emitting element is covered by the layer comprising Al, N and O.
13. A light emitting device according to claim 9 , wherein the layer comprising Al, N and O contains nitrogen of 2.5 atm % to 47.5 atm %.
14. A light emitting device according to claim 9 , wherein the layer comprising Al, N and O contains a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
15. A light emitting device according to claim 9 , wherein the layer comprising Al, N and O contains a phosphorous element or boron element of 0.1 atm % to 5 atm %.
16. An electronic apparatus comprising the light emitting device according to claim 9 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
17. A light emitting device comprising:
a first substrate;
a second substrate;
a light emitting element between the first and second substrates, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer,
wherein a first lamination layer having a first layer comprising Al, N and O and a first layer comprising organic resin is provided in contact with the first substrate and a second lamination layer having a second layer comprising Al, N and O and a second layer comprising organic resin is provided in contact with the second substrate, and
wherein the light emitting element is covered by the second layer comprising Al, N and O.
18. A light emitting device according to claim 17 , wherein stress of the layer comprising organic resin is smaller than that of the layer comprising Al, N and O.
19. A light emitting device according to claim 17 , wherein the layer comprising organic resin comprises a layer adhering the first substrate or the second substrate.
20. A light emitting device according to claim 17 , wherein the first layer and the second layer comprising Al, N and O contains nitrogen of 2.5 atm % to 47.5 atm %.
21. A light emitting device according to claim 17 , wherein the first layer and the second layer comprising Al, N and O contains a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
22. A light emitting device according to claim 17 , wherein the first layer and the second layer comprising Al, N and O contains a phosphorous element or boron element of 0.1 atm % to 5 atm %.
23. An electronic apparatus comprising the light emitting device according to claim 17 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
24. A light emitting device comprising:
a substrate comprising polyimide;
a lamination layer on the substrate wherein the laminated layer has a first layer comprising Al, N and O, a layer comprising organic resin on the first layer comprising Al, N and O, and a second layer comprising Al, N and O on the layer comprising organic resin; and
a light emitting element over the laminated layer, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
25. A light emitting device according to claim 24 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
26. A light emitting device according to claim 24 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
27. A light emitting device according to claim 24 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
28. An electronic apparatus comprising the light emitting device according to claim 24 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
29. A light emitting device comprising:
a substrate comprising polyethylene sulfayl;
a lamination layer on the substrate wherein the laminated layer has a first layer comprising Al, N and O, a layer comprising organic resin on the first layer comprising Al, N and O, and a second layer comprising Al, N and O on the layer comprising organic resin; and
a light emitting element over the laminated layer, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
30. A light emitting device according to claim 29 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
31. A light emitting device according to claim 29 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
32. A light emitting device according to claim 29 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
33. An electronic apparatus comprising the light emitting device according to claim 29 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
34. A light emitting device comprising:
a substrate comprising polycarbonate;
a lamination layer on the substrate wherein the laminated layer has a first layer comprising Al, N and O, a layer comprising organic resin on the first layer comprising Al, N and O, and a second layer comprising Al, N and O on the layer comprising organic resin; and
a light emitting element over the laminated layer, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
35. A light emitting device according to claim 34 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
36. A light emitting device according to claim 34 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
37. A light emitting device according to claim 34 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
38. An electronic apparatus comprising the light emitting device according to claim 34 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
39. A light emitting device comprising:
a substrate comprising polyethylene terephthalate;
a lamination layer on the substrate wherein the laminated layer has a first layer comprising Al, N and O, a layer comprising organic resin on the first layer comprising Al, N and O, and a second layer comprising Al, N and O on the layer comprising organic resin; and
a light emitting element over the laminated layer, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
40. A light emitting device according to claim 39 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
41. A light emitting device according to claim 39 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
42. A light emitting device according to claim 39 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
43. An electronic apparatus comprising the light emitting device according to claim 39 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
44. A light emitting device comprising:
a substrate comprising polyethylene naphthalate;
a lamination layer on the substrate wherein the laminated layer has a first layer comprising Al, N and O, a layer comprising organic resin on the first layer comprising Al, N and O, and a second layer comprising Al, N and O on the layer comprising organic resin; and
a light emitting element over the laminated layer, the light emitting element having a cathode, an organic compound layer in contact with the cathode, and an anode in contact with the organic compound layer.
45. A light emitting device according to claim 44 , wherein the first layer and the second layer comprising Al, N and O contain nitrogen of 2.5 atm % to 47.5 atm %.
46. A light emitting device according to claim 44 , wherein the first layer and the second layer comprising Al, N and O contain a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
47. A light emitting device according to claim 44 , wherein the first layer and the second layer comprising Al, N and O contain a phosphorous element or boron element of 0.1 atm % to 5 atm %.
48. An electronic apparatus comprising the light emitting device according to claim 44 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
49. An electronic apparatus comprising:
one or more of a layer comprising Al, N and O, or a layer comprising organic resin provided between a light emitting device and outside,
wherein the layer comprising Al, N and O contains a 13 group element or a 15 group element of 0.1 atm % to 5 atm % as impurities.
50. An electronic apparatus according to claim 49 , wherein the layer comprising Al, N and O contains nitrogen of 2.5 atm % to 47.5 atm %.
51. An electronic apparatus according to claim 49 , wherein the 13 group element is a boron element and the 15 group element is a phosphorous element.
52. An electronic apparatus according to claim 49 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.
53. A light emitting device according to claim 1 , wherein the light emitting element is covered by the layer comprising Al, N and O.
54. A light emitting device according to claim 1 , wherein the layer comprising Al, N and O contains nitrogen of 2.5 atm % to 47.5 atm %.
55. A light emitting device according to claim 2 , wherein the light emitting element is covered by the layer comprising Al, N and O.
56. A light emitting device according to claim 2 , wherein the layer comprising Al, N and O contains nitrogen of 2.5 atm % to 47.5 atm %.
57. An electronic apparatus comprising the light emitting device according to claim 2 , wherein the electronic apparatus is selected from the group consisting of a video camera, a digital camera, a goggle type display, a car navigation, a personal computer, and a portable information terminal.