Optoelectronic component with a magnetic structure and method for producing same
An optoelectronic component ( 1 ) is specified, with at least one radiation-emitting semiconductor chip generating electromagnetic radiation during operation, a coating surrounding the at least one semiconductor chip in lateral directions, a magnetic structure covered by the coating, wherein the magnetic structure enables the component to be identified. Furthermore, a process for the manufacture of such an optoelectronic component is given.
1. Optoelectronic component, comprising:
at least one radiation-emitting semiconductor chip generating electromagnetic radiation during operation,
a coating surrounding the at least one radiation-emitting semiconductor chip in lateral directions, and
a magnetic structure covered by the coating, wherein
the magnetic structure enables the optoelectronic component to be identified,
the magnetic structure has a plurality of sections with different polarizations, and
the different polarizations encode an identification information of the optoelectronic component.
2. Optoelectronic component according to claim 1 , in which the magnetic structure is machine-readable.
3. Optoelectronic component according to claim 1 , in which the coating is configured to produce a homogeneous colour impression for an observer.
4. Optoelectronic component according to claim 1 , in which the coating covers the magnetic structure so that the magnetic structure is not optically visible for an observer.
5. Optoelectronic component according to claim 1 , in which the at least one radiation-emitting semiconductor chip is surrounded by a cover body, on which the coating is arranged.
6. Optoelectronic component according to claim 1 , further comprising:
a cover body having a plurality of recesses filled with a magnetic material, and
the plurality of recesses with the magnetic material forms the magnetic structure.
7. Optoelectronic component according to claim 6 , in which the magnetic material comprises or is formed from a magnetic metal.
8. Optoelectronic component according to claim 6 , in which the magnetic material comprises or is formed from Fe2O3 or CrO2.
9. Optoelectronic component according to claim 1 , further comprising:
a magnetic material formed in lateral directions in a form of a plurality of strips, and
the plurality of strips forms the magnetic structure.
10. Optoelectronic component according to claim 9 , in which the magnetic material is introduced into the coating.
11. Optoelectronic component according to the preceding claim 10 , in which the magnetic structure is arranged between the coating and a cover body.
12. Method for producing an optoelectronic component comprising:
providing of at least one radiation-emitting semiconductor chip generating electromagnetic radiation during operation,
generating a magnetic structure spaced apart in lateral directions from the at least one radiation-emitting semiconductor chip, and
applying a coating surrounding the at least one radiation-emitting semiconductor chip in lateral directions and covering the magnetic structure, wherein
the magnetic structure enables the optoelectronic component to be identified,
the magnetic structure has a plurality of sections with different polarizations, and
the different polarizations encode an identification information of the optoelectronic component.
13. Method according to claim 12 , wherein, prior to generation of the magnetic structure, the at least one radiation-emitting semiconductor chip is embedded in a cover body.
14. Method according to claim 13 , wherein
a plurality of recesses is generated in the cover body, and
the plurality of recesses is filled with a magnetic material and the plurality of filled recesses forms the magnetic structure.
15. Method according to claim 14 , wherein the plurality of recesses is generated by a laser process.
16. Method according to claim 13 , wherein a magnetic material is deposited in a structured manner on the cover body by a lithography and electroplating process.
17. Method according to claim 12 , wherein the coating comprises magnetic particles.
18. Optoelectronic component, comprising:
at least one radiation-emitting semiconductor chip generating electromagnetic radiation during operation,
a coating surrounding the at least one radiation-emitting semiconductor chip in lateral directions, and
a magnetic structure covered by the coating, wherein:
the at least one radiation-emitting semiconductor chip is surrounded by a cover body, on which the coating is arranged,
the cover body has a plurality of recesses filled with a magnetic material,
the plurality of recesses with the magnetic material forms the magnetic structure, and
the magnetic structure enables the optoelectronic component to be identified.