Organic light-emitting device
View Patent ↗An organic light-emitting device, including a substrate, an organic light-emitting element on the substrate, a sealing member on the organic light-emitting element, a ¼ wavelength layer on one surface of the substrate, the organic light-emitting element, or the sealing member, and a linear polarization layer on one surface of the substrate, the organic light-emitting element, the sealing member, or the ¼ wavelength layer, the linear polarization layer being closer to an image display surface than the ¼ wavelength layer.
1. An organic light-emitting device, comprising:
a substrate;
an organic light-emitting element on the substrate;
a sealing member on the organic light-emitting element;
a ¼ wavelength layer on the substrate; and
a linear polarization layer having a plurality of wire grids spaced apart from each other on the substrate, at least one of the ¼ wavelength layer and the linear polarization layer being positioned between the sealing member and the substrate, and the linear polarization layer being closer to an image display surface than the ¼ wavelength layer.
2. The organic light-emitting device as claimed in claim 1 , wherein the image display surface is a surface of the substrate.
3. The organic light-emitting device as claimed in claim 2 , wherein the linear polarization layer is on the substrate, the ¼ wavelength layer is on the linear polarization layer, and the organic light-emitting element is on the ¼ wavelength layer.
4. The organic light-emitting device as claimed in claim 2 , wherein the ¼ wavelength layer is on a surface of the substrate, the organic light-emitting element is on the ¼ wavelength layer, and the linear polarization layer is on a surface of the substrate opposite to the ¼ wavelength layer.
5. The organic light-emitting device as claimed in claim 2 , wherein at least one of the ¼ wavelength layer and the linear polarization layer is between the substrate and the organic light-emitting element.
6. The organic light-emitting device as claimed in claim 1 , wherein the image display surface is a surface of the sealing member.
7. The organic light-emitting device as claimed in claim 6 , wherein the ¼ wavelength layer is on the organic light-emitting element, and the linear polarization layer is on the ¼ wavelength layer.
8. The organic light-emitting device as claimed in claim 7 , further comprising a protective layer on the linear polarization layer.
9. The organic light-emitting device as claimed in claim 6 , further comprising a protective layer on the organic light-emitting element,
wherein the ¼ wavelength layer is on the protective layer and the linear polarization layer is on the ¼ wavelength layer.
10. The organic light-emitting device as claimed in claim 6 , further comprising a protective layer on the organic light-emitting element,
wherein the ¼ wavelength layer is formed between the organic light-emitting element and the protective layer, and the linear polarization layer is on the protective layer.
11. The organic light-emitting device as claimed in claim 8 , wherein the protective layer comprises at least one of an organic insulating material or an inorganic insulating material.
12. The organic light-emitting device as claimed in claim 6 , further comprising a reflective layer interposed between the substrate and the organic light-emitting element,
wherein the ¼ wavelength layer is between the reflective layer and the organic light-emitting element, and the linear polarization layer is on the organic light-emitting element.
13. The organic light-emitting device as claimed in claim 6 , wherein the sealing member is a transparent substrate, and the ¼ wavelength layer and the linear polarization layer are between the sealing member and the organic light-emitting element.
14. The organic light-emitting device as claimed in claim 6 , wherein the sealing member is a transparent substrate, the ¼ wavelength layer is on a surface of the sealing member facing the organic light-emitting element, and the linear polarization layer is on an opposite surface of the sealing member to the ¼ wavelength layer.
15. The organic light-emitting device as claimed in claim 6 , wherein the sealing member is a transparent substrate, the linear polarization layer is on a surface of the sealing member facing the organic light-emitting element, and the ¼ wavelength layer is on a surface of the linear polarization layer facing the organic light-emitting element.
16. The organic light-emitting device as claimed in claim 1 , further comprising:
a thin film transistor on the substrate, the organic light-emitting element being electrically connected to the thin film transistor.
17. The organic light-emitting device as claimed in claim 16 , wherein the image display surface is a surface of the substrate, and further comprises at least one of:
a) wherein the linear polarization layer is on the substrate, the ¼ wavelength layer is on the linear polarization layer, and the thin film transistor and the organic light-emitting element are on the ¼ wavelength layer;
b) wherein the linear polarization layer is on the thin film transistor, and the ¼ wavelength layer is on the linear polarization layer;
c) wherein the organic light-emitting device further comprises a protective layer covering the thin film transistor, and the linear polarization layer is on the protective layer, and the ¼ wavelength layer is on the linear polarization layer;
d) wherein the linear polarization layer is on the substrate, the thin film transistor is on the linear polarization layer, and the ¼ wavelength layer is on the thin film transistor;
e) wherein at least one of the linear polarization layer and the ¼ wavelength layer is interposed between layers constituting the thin film transistor;
f) wherein the linear polarization layer is on an opposite surface of the substrate to the thin film transistor, and the ¼ wavelength layer is on the thin film transistor;
g) wherein the ¼ wavelength layer is on a surface of the substrate, the thin film transistor is on the ¼ wavelength layer, and the linear polarization layer is on a surface of the substrate opposite to the ¼ wavelength layer; or
h) wherein the ¼ wavelength layer and the linear polarization layer are sequentially on a surface of the substrate opposite to the organic light-emitting element.
18. The organic light-emitting device as claimed in claim 16 , wherein the image display surface is a surface of the sealing member, and further comprises at least one of:
a) wherein the ¼ wavelength layer is on the organic light-emitting element, and the linear polarization layer is on the ¼ wavelength layer;
b) wherein the organic light emitting device further comprises a protective layer on the linear polarization layer, the protective layer being formed from inorganic or organic insulating material;
c) wherein organic light emitting device further comprises a protective layer on the organic light-emitting element, the ¼ wavelength layer is on the protective layer, and the linear polarization layer is on the ¼ wavelength layer;
d) wherein organic light emitting device further comprises a protective layer on the organic light-emitting element, the ¼ wavelength layer is between the organic light-emitting element and the protective layer, and the linear polarization layer is on the protective layer;
e) wherein organic light emitting device further comprises a reflective layer interposed between the substrate and the organic light-emitting element, and the ¼ wavelength layer is between the reflective layer and the organic light-emitting element, and the linear polarization layer is on the organic light-emitting element;
f) wherein the sealing member is a transparent substrate, the ¼ wavelength layer is on a surface of the sealing member opposite to the organic light-emitting element, and the linear polarization layer is on the ¼ wavelength layer;
g) wherein the sealing member is a transparent substrate, the ¼ wavelength layer is on a surface of the sealing member facing the organic light-emitting element, and the linear polarization layer is on a opposite surface of the sealing member opposite to the ¼ wavelength layer; or
h) wherein the sealing member is a transparent substrate, the linear polarization layer is on a surface of the sealing member facing the organic light-emitting element, and the ¼ wavelength layer is on a surface of the linear polarization layer facing the organic light-emitting element.
19. The organic light-emitting device as claimed in claim 16 , wherein the organic light emitting device is a front emission active matrix organic light-emitting device.
20. The organic light-emitting device as claimed in claim 1 , wherein at least one of the ¼ wavelength layer and the linear polarization layer is between the organic light emitting element and the substrate.