Method for producing an optoelectronic component and optoelectronic component

1. A method for producing an optoelectronic component, the method comprising:

increasing a refractive index of a substrate in at least one region at at least one predefined position in the substrate in such a way that the region having an increased refractive index extends as far as a surface of the substrate; and

forming an electrode layer on or above the surface of the substrate at least partly above the region having an increased refractive index,

wherein the increasing the refractive index of the substrate in the region having an increased refractive index is carried out by compacting the substrate using a laser.

2. The method as claimed in claim 1 , further comprising:

forming at least one light-scattering region at at least one predefined position in the substrate after forming the refractive-index-increased;

wherein the at least one light-scattering region is formed at least partly within the at least one region having an increased refractive index.

3. The method as claimed in claim 1 ,

wherein the electrode layer is translucent or transparent.

4. The method as claimed in claim 1 , further comprising:

applying a masking that reflects light having a wavelength of the laser on the substrate before forming the region having an increased refractive index; and

removing the masking after forming the region having an increased refractive index.

5. The method as claimed in claim 2 ,

wherein forming the light-scattering region is carried out by locally heating the substrate.

6. The method as claimed in claim 5 ,

wherein locally heating the substrate is carried out using a laser.

7. The method as claimed in claim 1 , further comprising:

forming an organic functional layer structure on or above the electrode layer.

8. The method as claimed in claim 7 , further comprising:

forming a second electrode layer on or above the organic functional layer structure.

9. The method as claimed in claim 1 , further comprising:

forming an encapsulation layer.

10. The method as claimed in claim 1 ,

wherein the substrate comprises quartz glass, flint glass, window glass, soda-lime glass or crown glass.

11. An optoelectronic component, comprising:

a substrate; and

an electrode layer arranged on or above a surface of the substrate;

wherein the substrate has at the surface at least partly below the electrode layer at least one region having a refractive index increased by an increase in the refractive index of the substrate,

wherein the substrate is compacted in the at least one region having an increased refractive index.

12. The optoelectronic component as claimed in claim 11 , further comprising:

at least one light-scattering region at at least one predefined position in the substrate;

wherein the at least one light-scattering region is formed at least partly within the at least one region having an increased refractive index.

13. The optoelectronic component as claimed in claim 11 ,

wherein the electrode layer is translucent or transparent.

14. The optoelectronic component as claimed in claim 11 , further comprising:

an organic functional layer structure on or above the electrode layer.

15. The optoelectronic component as claimed in claim 12 ,

wherein the substrate is laser-internally-engraved in the at least one light-scattering region.

16. The optoelectronic component as claimed in claim 11 ,

wherein the substrate comprises quartz glass, flint glass, window glass, soda-lime glass or crown glass.

17. The optoelectronic component as claimed in claim 14 ,

wherein the at least one region having an increased refractive index is configured such that a total internal reflection of light that has penetrated into the substrate from the direction of the organic functional layer structure is possible at at least one region in the layer which does not have an increased refractive index.

18. The optoelectronic component as claimed in claim 14 ,

wherein the at least one region in the layer which does not have an increased refractive index has at least one region having a refractive index reduced relative to the non-increased refractive index of the substrate; and

wherein the substrate is decompacted in the at least one region having a reduced refractive index.