Light-emitting device
View Patent ↗A light-emitting device includes a strip-like high flexibility region and a strip-like low flexibility region arranged alternately in a direction. The high flexibility region includes a flexible light-emitting panel. The low flexibility region includes the light-emitting panel and a support panel having a lower flexibility than that of the light-emitting panel and overlapping with the light-emitting panel. It is preferable that the light-emitting panel include an external connection electrode and that a length in the direction of a low flexibility region A that overlaps with the external connection electrode be longer than a length in the direction of a low flexibility region B that is closest to the region A.
1. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a first protective layer configured to protect the light-emitting panel;
a second protective layer configured to protect the light-emitting panel;
a first support body configured to support the light-emitting panel; and
a second support body configured to support the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein flexibility of each of the first protective layer and the second protective layer is lower than flexibility of the light-emitting panel,
wherein flexibility of each of the first support body and the second support body is lower than flexibility of the first protective layer,
wherein the flexibility of each of the first support body and the second support body is lower than flexibility of the second protective layer,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the first support body and the second support body are separated from each other with a gap in the state where the light-emitting panel is bent,
wherein the bent portion overlaps with the gap,
wherein the bent portion, the first portion, and the second portion overlap with the first protective layer, and
wherein the second protective layer overlaps with the first protective layer through the non-light-emitting region in the bent portion and does not overlap with the light-emitting region.
2. The light-emitting device according to claim 1 ,
wherein the first protective layer is provided under the light-emitting panel, and
wherein the first support body and the second support body are provided under the light-emitting panel.
3. The light-emitting device according to claim 1 ,
wherein the first protective layer is provided under the light-emitting panel, and
wherein the first support body and the second support body are provided under the first protective layer.
4. The light-emitting device according to claim 1 ,
wherein the first support body and the second support body comprise a metal.
5. The light-emitting device according to claim 1 ,
wherein the first protective layer comprises a metal.
6. The light-emitting device according to claim 1 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
7. The light-emitting device according to claim 1 ,
wherein the light-emitting panel comprises a light-emitting element comprising a low molecular compound.
8. The light-emitting device according to claim 1 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
9. The light-emitting device according to claim 1 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.
10. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a first protective layer configured to protect the light-emitting panel;
a second protective layer configured to protect the light-emitting panel;
a first support body configured to support the light-emitting panel; and
a second support body configured to support the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein the light-emitting panel comprises an electrode for a light-emitting element and a conductive layer for a touch sensor,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the electrode for the light-emitting element and the conductive layer for the touch sensor are provided in the first portion, the bent portion, and the second portion,
wherein the bent portion, the first portion, and the second portion overlap with the first protective layer, and
wherein the second protective layer overlaps with the first protective layer through the non-light-emitting region in the bent portion and does not overlap with the light-emitting region.
11. The light-emitting device according to claim 10 ,
wherein flexibility of the first protective layer is higher than flexibility of the first support body, and
wherein the flexibility of the first protective layer is higher than flexibility of the second support body.
12. The light-emitting device according to claim 10 ,
wherein the first support body and the second support body comprise a metal.
13. The light-emitting device according to claim 10 ,
wherein the first protective layer comprises a metal.
14. The light-emitting device according to claim 10 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
15. The light-emitting device according to claim 10 ,
wherein the light-emitting element comprises a low molecular compound.
16. The light-emitting device according to claim 10 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
17. The light-emitting device according to claim 10 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.
18. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a first protective layer provided under the light-emitting panel, the first protective layer being configured to protect the light-emitting panel;
a first support body provided under the light-emitting panel, the first support body being configured to support the light-emitting panel;
a second support body provided under the light-emitting panel, the second support body being configured to support the light-emitting panel;
a second protective layer provided over the light-emitting panel, the second protective layer being configured to protect the light-emitting panel;
a third support body provided over the light-emitting panel, the third support body being configured to support the light-emitting panel; and
a fourth support body provided over the light-emitting panel, the fourth support body being configured to support the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the third support body overlaps with the first support body through the first portion,
wherein the fourth support body overlaps with the second support body through the second portion,
wherein the bent portion, the first portion, and the second portion overlap with the first protective layer, and
wherein the second protective layer overlaps with the first protective layer through the non-light-emitting region in the bent portion and does not overlap with the light-emitting region.
19. The light-emitting device according to claim 18 ,
wherein flexibility of the first protective layer is higher than flexibility of the first support body, and
wherein the flexibility of the first protective layer is higher than flexibility of the second support body.
20. The light-emitting device according to claim 18 ,
wherein the first support body and the second support body comprise a metal.
21. The light-emitting device according to claim 18 ,
wherein the first protective layer comprises a metal.
22. The light-emitting device according to claim 18 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
23. The light-emitting device according to claim 18 ,
wherein the light-emitting panel comprises a light-emitting element comprising a low molecular compound.
24. The light-emitting device according to claim 18 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
25. The light-emitting device according to claim 18 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.
26. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a protective layer provided over the light-emitting panel, the protective layer being configured to protect the light-emitting panel;
a first support body provided under the light-emitting panel, the first support body being configured to support the light-emitting panel; and
a second support body provided under the light-emitting panel, the second support body being configured to support the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the protective layer overlaps with the non-light-emitting region in the bent portion and does not overlap with the light-emitting region,
wherein the light-emitting panel comprises a driver circuit, and
wherein the protective layer overlaps with the driver circuit.
27. The light-emitting device according to claim 26 ,
wherein flexibility of the protective layer is higher than flexibility of the first support body, and
wherein the flexibility of the protective layer is higher than flexibility of the second support body.
28. The light-emitting device according to claim 26 ,
wherein the first support body and the second support body comprise a metal.
29. The light-emitting device according to claim 26 ,
wherein the protective layer comprises rubber.
30. The light-emitting device according to claim 26 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
31. The light-emitting device according to claim 26 ,
wherein the light-emitting panel comprises a light-emitting element comprising a low molecular compound.
32. The light-emitting device according to claim 26 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
33. The light-emitting device according to claim 26 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.
34. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a protective layer provided over the light-emitting panel, the protective layer being configured to protect the light-emitting panel;
a first support body provided under the light-emitting panel, the first support body being configured to support the light-emitting panel; and
a second support body provided under the light-emitting panel, the second support body being configured to support the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the protective layer overlaps with the non-light-emitting region in the bent portion and does not overlap with the light-emitting region,
wherein an opening of the protective layer overlaps with the light-emitting region, and
wherein the non-light-emitting region and the light-emitting region overlap with the first support body and the second support body.
35. The light-emitting device according to claim 34 ,
wherein flexibility of the protective layer is higher than flexibility of the first support body, and
wherein the flexibility of the protective layer is higher than flexibility of the second support body.
36. The light-emitting device according to claim 34 ,
wherein the first support body and the second support body comprise a metal.
37. The light-emitting device according to claim 34 ,
wherein the protective layer comprises rubber.
38. The light-emitting device according to claim 34 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
39. The light-emitting device according to claim 34 ,
wherein the light-emitting panel comprises a light-emitting element comprising a low molecular compound.
40. The light-emitting device according to claim 34 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
41. The light-emitting device according to claim 34 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.
42. A light-emitting device comprising:
a light-emitting panel having a light-emitting surface and configured to be bent so that the light-emitting surface is placed inward of a resulting bend;
a first protective layer provided under the light-emitting panel, the first protective layer being configured to protect the light-emitting panel;
a first support body provided under the light-emitting panel, the first support body being configured to support the light-emitting panel;
a second support body provided under the light-emitting panel, the second support body being configured to support the light-emitting panel; and
a second protective layer provided over the light-emitting panel, the second protective layer being configured to protect the light-emitting panel,
wherein the light-emitting panel comprises a light-emitting region and a non-light-emitting region surrounding the light-emitting region,
wherein the light-emitting panel comprises a first portion overlapping with the first support body, a second portion overlapping with the second support body, and a bent portion between the first portion and the second portion,
wherein the bent portion comprises a curved surface with a curvature radius in a state where the light-emitting panel is bent,
wherein the bent portion, the first portion, and the second portion overlap with the first protective layer,
wherein the second protective layer overlaps with the first protective layer through the non-light-emitting region in the bent portion and does not overlap with the light-emitting region,
wherein the light-emitting panel comprises an external connection electrode, and
wherein the external connection electrode is provided in at least one of the first portion and the second portion.
43. The light-emitting device according to claim 42 ,
wherein flexibility of the first protective layer is higher than flexibility of the first support body, and
wherein the flexibility of the first protective layer is higher than flexibility of the second support body.
44. The light-emitting device according to claim 42 ,
wherein the first support body and the second support body comprise a metal.
45. The light-emitting device according to claim 42 ,
wherein the first protective layer comprises a metal.
46. The light-emitting device according to claim 42 ,
wherein the light-emitting panel comprises a transistor comprising a polycrystalline semiconductor in a channel formation region.
47. The light-emitting device according to claim 42 ,
wherein the light-emitting panel comprises a light-emitting element comprising a low molecular compound.
48. The light-emitting device according to claim 42 ,
wherein the light-emitting device is configured to put the light-emitting panel in a non-light-emitting state when the light-emitting device is bent.
49. The light-emitting device according to claim 42 ,
wherein a minimum curvature radius of the bent portion is greater than or equal to 1 mm and less than or equal to 10 mm.