Granted Patent B2

US 9,356,080 · App. 14/640,567 · Granted May 31, 2016

Abstract

Claims (61)

1. An organic EL display device comprising:

a display region including a plurality of pixels respectively having a light-emitting device which is stacked respectively in order of an organic layer including a first electrode and a light-emitting layer, and a second electrode from a substrate side;

a peripheral region that is arranged on an outer edge side of the display region, and has a peripheral circuit;

a first insulating layer of a lower layer side and a second insulating layer of an upper layer side that are arranged so as to be extended to the peripheral region from the display region;

a first separation groove that is arranged in the first insulating layer between the display region and the peripheral region;

a first conductive layer that is arranged on the first insulating layer of the peripheral region, through a bottom portion from a side face of the first separation groove;

a first covering portion where at least an end face of the second insulating layer is covered by the organic layer or the second electrode;

a sealing portion that is arranged on an outer edge side of the first covering portion, and is configured by stacking the first conductive layer and the second electrode;

a second covering portion where an end face of an outer edge side of the first insulating layer which is separated from the peripheral region side by the first separation groove, is covered by the first conductive layer;

a second conductive layer that is arranged between the substrate and the first insulating layer;

a third insulating layer that is arranged between the second conductive layer and the first insulating layer, the third insulating layer being separated by the first separation groove with the first insulating layer; and

a connection portion that is arranged in the bottom portion of the first separation groove, the connection portion includes a stack having the first conductive layer and the second conductive layer.

2. The organic EL display device according to claim 1 ,

wherein the second electrode and the second conductive layer are electrically connected through the first conductive layer.

3. The organic EL display device according to claim 1 ,

wherein the first electrode and the first conductive layer are formed by the same process.

4. The organic EL display device according to claim 1 , further comprising:

a second separation groove that is arranged in the peripheral region, and separates the first insulating layer from an inner region side and an outer region side.

5. The organic EL display device according to claim 4 ,

wherein a wall face and a bottom face of the second separation groove are covered by the first conductive layer, and the second separation groove is embedded by the second electrode.

6. The organic EL display device according to claim 1 , further comprising:

a high resistance layer that is arranged between the organic layer and the second electrode.

7. The organic EL display device according to claim 1 ,

wherein the first insulating layer and the second insulating layer are organic insulating layers, and the third insulating layer is an inorganic insulating layer.

8. The organic EL display device according to claim 1 ,

wherein a seal material is arranged in an end portion of the substrate.

9. The organic EL display device according to claim 1 ,

wherein the peripheral circuit is formed on a lower layer side of the third insulating layer on the substrate.

10. The organic EL display device according to claim 1 ,

wherein the light-emitting device is arranged on the substrate in order of a positive hole injection layer, a positive hole transport layer, the light-emitting layer, an electron transport layer, and an electron injection layer, from the first electrode side.

11. The organic EL display device according to claim 1 ,

wherein the light-emitting device is arranged on the substrate in order of a positive hole injection layer, a positive hole transport layer, the light-emitting layer, an electron transport layer, an electron injection layer, a charge generation layer, the positive hole injection layer, the positive hole transport layer, the light-emitting layer, the electron transport layer, and the electron injection layer, from the first electrode side.

12. The organic EL display device according to claim 1 ,

wherein the plurality of pixels are made up of red pixels, green pixels, and blue pixels, or red pixels, green pixels, blue pixels, and white pixels.

13. An electronic apparatus comprising:

an organic EL display device,

wherein the organic EL display device includes a display region including a plurality of pixels respectively having a light-emitting device which is stacked respectively in order of an organic layer including a first electrode and a light-emitting layer, and a second electrode from a substrate side,

a peripheral region that is arranged on an outer edge side of the display region, and has a peripheral circuit,

a first insulating layer of a lower layer side and a second insulating layer of an upper layer side that are arranged so as to be extended to the peripheral region from the display region,

a first separation groove that is arranged in the first insulating layer between the display region and the peripheral region,

a first conductive layer that is arranged on the first insulating layer of the peripheral region, through a bottom portion from a side face of the first separation groove,

a first covering portion where at least an end face of the second insulating layer is covered by the organic layer or the second electrode,

a sealing portion that is arranged on an outer edge side of the first covering portion, and is configured by stacking the first conductive layer and the second electrode,

a second covering portion where an end face of an outer edge side of the first insulating layer which is separated from the peripheral region side by the first separation groove, is covered by the first conductive layer,

a second conductive layer that is arranged between the substrate and the first insulating layer,

a third insulating layer that is arranged between the second conductive layer and the first insulating layer, the third insulating layer being separated by the first separation groove with the first insulating layer, and

a connection portion that is arranged in the bottom portion of the first separation groove, the connection portion includes a stack having the first conductive layer and the second conductive layer.

14. The electronic apparatus according to claim 13 ,

wherein the second electrode and the second conductive layer are electrically connected through the first conductive layer.

15. The electronic apparatus according to claim 13 ,

wherein the first electrode and the first conductive layer are formed by the same process.

16. The electronic apparatus according to claim 13 , further comprising:

a second separation groove that is arranged in the peripheral region, and separates the first insulating layer from an inner region side and an outer region side.

17. The electronic apparatus according to claim 16 ,

wherein a wall face and a bottom face of the second separation groove are covered by the first conductive layer, and the second separation groove is embedded by the second electrode.

18. The electronic apparatus according to claim 13 , further comprising:

a high resistance layer that is arranged between the organic layer and the second electrode.

19. The electronic apparatus according to claim 13 ,

wherein the first insulating layer and the second insulating layer are organic insulating layers, and the third insulating layer is an inorganic insulating layer.

20. The electronic apparatus according to claim 13 ,

wherein a seal material is arranged in an end portion of the substrate.

Assignments (6)