Light-emitting device, display apparatus, and image pickup apparatus
The present invention provides a light-emitting device including a substrate, a first EL element, and a second EL element, the first EL element and the second EL element each including a lower electrode, an organic compound layer including a light-emitting layer, an upper electrode, and a color filter in this order from the substrate, and an insulating layer that covers an end portion of the lower electrode. A first color filter of the first EL element and a second color filter of the second EL element overlap each other when viewed in plan in an overlapping region, and an inclined portion closest to the first EL element among inclined portions of the insulating layer of the second EL element and the overlapping region overlap each other when viewed in plan.
1. A light-emitting device comprising:
a substrate;
a first electroluminescence, EL, element and a second EL element disposed on the substrate, the first EL element and the second EL element each including a lower electrode, a light-emitting layer, an upper electrode, and a color filter in this order from the substrate; and
an insulating layer disposed between the lower electrode and the light-emitting layer so as to cover an end portion of the lower electrode,
wherein the first EL element has a first color filter and the second EL element has a second color filter which are arranged so as to partially overlap each other, in an overlapping region, when viewed in a plan view of the light emitting device when viewed in a direction perpendicular to a main surface of the substrate,
wherein the insulating layer of each of the first and second EL elements includes a plurality of inclined portions, and the inclined portion closest to the first EL element among the plurality of inclined portions of the second EL element and the overlapping region also overlap each other when viewed in said plan view, and
wherein the inclined portion farthest from the second EL element among the plurality of inclined portions of the first EL element does not overlap the overlapping region, when viewed in the plan view.
2. The light-emitting device according to claim 1 ,
wherein a luminous efficacy of light that passes through the first color filter is lower than that of light that passes through the second color filter, and
wherein the first color filter is disposed on the second color filter in the overlapping region.
3. The light-emitting device according to claim 1 , wherein an inclined portion of the first color filter in the overlapping region has a forward tapered shape toward an end portion of the overlapping region.
4. The light-emitting device according to claim 1 , wherein the inclined portion inclines towards the substrate.
5. The light-emitting device according to claim 4 , wherein the inclined portion of the insulating layer and the substrate form an angle between 60 degrees and 90 degrees.
6. The light-emitting device according to claim 1 , wherein the insulating layer is formed of an inorganic compound.
7. The light-emitting device according to claim 1 ,
wherein the first EL element and the second EL element include a protective layer positioned between the upper electrode and the color filter,
the protective layer of the second EL element includes inclined portions in a region in which the protective layer and the second color filter overlap each other when viewed in said plan view, and
the inclined portion closest to the first EL element among the inclined portions of the protective layer of the second EL element overlaps the overlapping region when viewed in said plan view.
8. The light-emitting device according to claim 7 ,
wherein the protective layer is disposed so as to extend over the first EL element and the second EL element,
the protective layer has a low-density region, and
the low-density region overlaps said overlapping region when viewed in said plan view.
9. The light-emitting device according to claim 1 ,
wherein the insulating layer has a plurality of inclined portions that incline towards the substrate, and
the inclined portions overlap the overlapping region when viewed in said plan view.
10. The light-emitting device according to claim 1 , wherein all inclined portions of the insulating layer disposed between the first EL element and the second EL element overlap the overlapping region when viewed in said plan view.
11. The light-emitting device according to claim 1 , wherein the light-emitting layer contains an organic compound.
12. The light-emitting device according to claim 1 , further comprising an opposing substrate disposed on the opposite side of the color filters from said substrate,
wherein a resin layer is disposed between the color filters and the opposing substrate.
13. A display apparatus comprising:
the light-emitting device according to claim 1 ; and
an active element connected to the light-emitting device.
14. An image pickup apparatus comprising:
an optical section including a plurality of lenses;
an image pickup element configured to receive light that has passed through the optical section; and
a display section configured to display an image captured by the image pickup element and including the light-emitting device according to claim 1 .
15. A communications apparatus comprising:
a display section; and
a communications section,
wherein the display section includes the light-emitting device according to claim 1 .
16. The light-emitting device according to claim 1 , wherein the inclined portion closest to the second EL element among the plurality of inclined portions of the first EL element does not overlap the overlapping region, when viewed in the plan view.