Optoelectronic component
View Patent ↗An optoelectronic component may include an electrically active region and a light-refracting structure which includes at least one graphene layer, in which at least one lens-like structure is formed. The electrically active region may include a first electrode, a second electrode, and an organic functional layer structure between the first electrode and the second electrode.
1. An optoelectronic component, comprising:
an electrically active region, comprising:
a first electrode;
a second electrode;
an organic functional layer structure between the first electrode and the second electrode;
a light-refracting structure which comprises at least one graphene layer, in which at least one lens-like structure is formed.
2. The optoelectronic component as claimed in claim 1 ,
wherein the graphene layer forms a part of the first electrode and/or of the second electrode.
3. The optoelectronic component as claimed in claim 2 , further comprising:
a carrier;
wherein the graphene layer is arranged as part of the first electrode on or over the carrier.
4. The optoelectronic component as claimed in claim 2 ,
wherein the second electrode is configured so as to be translucent or reflective.
5. The optoelectronic component as claimed in claim 1 ,
wherein the graphene layer is arranged outside the electrically active region.
6. The optoelectronic component as claimed in claim 3 , further comprising:
a carrier;
wherein the graphene layer is arranged on or over the carrier;
a planarization layer on the graphene layer;
wherein the electrically active region is arranged on or over the planarization layer.
7. The optoelectronic component as claimed in claim 6 , further comprising:
an encapsulation being arranged between the electrically active region and the carrier.
8. The optoelectronic component as claimed in claim 7 ,
wherein the encapsulation is arranged between the electrically active region and the graphene layer or between the electrically active region and the planarization layer, wherein the planarization layer has a refractive index which is substantially equal to the refractive index of the carrier.
9. The optoelectronic component as claimed in claim 6 ,
wherein the first electrode is arranged on or over the planarization layer;
wherein the first electrode is configured so as to be translucent; and
wherein the second electrode is configured so as to be translucent or reflective.
10. The optoelectronic component as claimed in claim 3 ,
wherein the first electrode is configured so as to be reflective; and
wherein the second electrode is configured so as to be translucent;
wherein the graphene layer is arranged on or over the second electrode.
11. The optoelectronic component as claimed in claim 10 , further comprising:
a carrier;
wherein the first electrode is arranged on or over the carrier.
12. The optoelectronic component as claimed in claim 10 , further comprising:
an encapsulation on or over the second electrode.
13. The optoelectronic component as claimed in claim 12 ,
wherein the graphene layer is arranged on or over the encapsulation.
14. The optoelectronic component as claimed in claim 1 ,
wherein the at least one lens-like structure is at least partially filled with a liquid and/or a solid, wherein the liquid and/or the solid preferably has a refractive index which is substantially equal to the refractive index of the organic functional layer structure.
15. The optoelectronic component as claimed in claim 10 , further comprising:
a cover layer on or over the graphene layer, wherein the cover layer has a refractive index which is less than the refractive index of the liquid and/or of the solid.
16. The optoelectronic component as claimed in claim 3 ,
wherein the second electrode is configured so as to be translucent or reflective.
17. The optoelectronic component as claimed in claim 8 ,
wherein the planarization layer has a refractive index which is substantially equal to the refractive index of the organic functional layer structure.
18. The optoelectronic component as claimed in claim 11 , further comprising:
an encapsulation on or over the second electrode.