Manufacturing method of organic light emitting device, organic light emitting device and electronic apparatus
A manufacturing method of an organic light emitting device including a light emitting element that includes an organic light emitting layer, a sealing layer above the light emitting element, and a color filter layer above the sealing layer. The color filter layer includes a first color filter that transmits light of a first wavelength region and a second color filter that transmits light of a second wavelength region, an area of the second color filter is smaller than an area of the first color filter, and the method includes forming the first color filter, and forming the second color filter thereafter.
1. A method of manufacturing an organic light emitting device comprising, in the following order:
forming an organic light emitting layer on a substrate so as to form a first light emitting element, a second light emitting element, and a third light emitting element, a light emission area of the second light emitting element being smaller than a light emission area of the third light emitting element, the light emission area of the third light emitting element being smaller than a light emission area of the first light emitting element;
forming a sealing layer on the organic light emitting layer;
forming a color filter layer on the sealing layer in the following order, including:
forming a first color filter that filters light from the first light emitting element and transmits light of a first wavelength region;
forming a third color filter that filters light from the third light emitting element, transmits light of a third wavelength region, and is smaller in area than the first color filter; and
forming a second color filter that filters light from the second light emitting element, transmits light of a second wavelength region, and is smaller in area than the third color filter; and
attaching a protective substrate to the color filter layer using a resin layer,
wherein the second color filter is a red color filter.
2. The method of manufacturing according to claim 1 , wherein the organic light emitting device further includes an insulating film that suppresses emission of light of the organic light emitting layer, and the method further comprises:
forming a transparent layer between the sealing layer and the color filter layer in a portion that overlaps with the insulating film in a plan view before the forming of the first color filter.
3. The method of manufacturing according to claim 1 , wherein no process temperature of forming the color filter layer exceeds 110° C.
4. The method of manufacturing according to claim 1 , wherein
the first color filter, the second color filter and the third color filter are formed in a striped form.
5. The method of manufacturing according to claim 1 , wherein
the first color filter, the second color filter and the third color filter are formed by spin-coating the sealing layer.
6. The method of manufacturing according to claim 1 , wherein
the first color filter is a blue color filter.
7. The method of manufacturing according to claim 6 , wherein
the third color filter is a green color filter.
8. A method of manufacturing an organic light emitting device, the method comprising, in the following order:
forming an organic light emitting layer on a substrate, the organic light emitting layer including:
a first light emitting element;
a second light emitting element; and
a third light emitting element;
forming a sealing layer on the organic light emitting layer;
forming a color filter layer on the sealing layer in the following order, including:
forming a first color filter that filters light from the first light emitting element and that transmits light of a first wavelength region;
forming a third color filter that filters light from the third light emitting element and that transmits light of a third wavelength region, the third color filter being smaller in area than the first color filter; and
forming a second color filter that filters light from the second light emitting element and that transmits light of a second wavelength region, the second color filter being smaller in area than the third color filter; and
attaching a protective substrate to the color filter layer using a resin layer,
wherein the second color filter is a red color filter.
9. The method of manufacturing according to claim 8 , wherein the organic light emitting device further includes an insulating film that suppresses emission of light of the organic light emitting layer, and the method further comprises:
forming a transparent layer between the sealing layer and the color filter layer in a portion that overlaps with the insulating film in a plan view before the forming of the first color filter.
10. The method of manufacturing according to claim 8 , wherein
the first color filter, the second color filter and the third color filter are formed in a striped form.
11. The method of manufacturing according to claim 8 , wherein
the first color filter, the second color filter and the third color filter are formed by spin-coating the sealing layer.
12. The method of manufacturing according to claim 8 , wherein
the first color filter is a blue color filter.
13. The method of manufacturing according to claim 12 , wherein
the third color filter is a green color filter.
14. A manufacturing method of an organic light emitting device, the method comprising, in the following order:
forming an organic light emitting layer on a substrate, the organic light emitting layer including:
a first light emitting element;
a second light emitting element; and
a third light emitting element;
forming a sealing layer on the organic light emitting layer;
forming a color filter layer on the sealing layer in the following order, including:
forming a first color filter that filters light from the first light emitting element and that transmits light of a first wavelength region;
forming a third color filter that filters light from the third light emitting element and that transits light of a third light wavelength region; and
forming a second color filter that filters light from the second light emitting element and that transmits light of a second wavelength region; and
attaching a protective substrate to the color filter layer using a resin layer,
wherein a light emission area of the second light emitting element is smaller than a light emission area of the third light emitting element, the light emission area of the third light emitting element is smaller than a light emission area of the first light emitting element, and the second color filter is a red color filter.
15. The method of manufacturing according to claim 14 , wherein the organic light emitting device further includes an insulating film that suppresses emission of light of the organic light emitting layer, and the method further comprises:
forming a transparent layer between the sealing layer and the color filter layer in a portion that overlaps with the insulating film in a plan view before the forming of the first color filter.
16. The method of manufacturing according to claim 14 , wherein
the first color filter, the second color filter and the third color filter are formed in a striped form.
17. The method of manufacturing according to claim 14 , wherein
the first color filter, the second color filter and the third color filter are formed by spin-coating the sealing layer.
18. The method of manufacturing according to claim 14 , wherein
the first color filter is a blue color filter.
19. The method of manufacturing according to claim 18 , wherein
the third color filter is a green color filter.