Optoelectronic component
View Patent ↗An optoelectronic component with short circuit protection is provided, comprising a first electrode layer ( 1 ) with a plurality of segments ( 11, 12 ), which are arranged separately from one another, a functional layer ( 2 ) on the first electrode layer ( 1 ), which emits electromagnetic radiation when in operation, a second electrode layer ( 3 ) on the functional layer ( 2 ), a power supply ( 4 ) and a plurality of electrical connections ( 51, 52 ). In each case at least one of the plurality of electrical connections ( 51, 52 ) is arranged between the first power supply ( 4 ) and at least one of the plurality of segments ( 11, 12 ) of the first electrode layer ( 1 ) for electrical contacting of the first electrode layer ( 1 ). The power supply ( 4 ) has a first cross-section and each of the plurality of electrical connections ( 51, 52 ) has a second cross-section. The second cross-section is smaller than the first cross-section, and the electrical connections ( 51, 52 ) take the form of fuses.
1. An optoelectronic component with short circuit protection, comprising:
a first electrode layer with a plurality of segments, which are arranged separately from one another;
a functional layer on the first electrode layer, which emits electromagnetic radiation when in operation;
a second electrode layer on the functional layer;
a power supply; and
a plurality of electrical connections,
wherein at least one of the plurality of electrical connections is arranged between the first power supply and at least one of the plurality of segments of the first electrode layer for electrical contacting of the first electrode layer,
wherein the optoelectronic component comprises a substrate having a main surface on which the power supply, the plurality of electrical connections and the plurality of segments of the first electrode layer, the functional layer and the second electrode layer are arranged,
wherein in the substrate adjacent to at least one of the plurality of electrical connections a cavity is arranged,
wherein the cavity is configured to receive melting material from the at least one of the plurality of electrical connections,
wherein the power supply has a first cross-section and each of the plurality of electrical connections has a second cross-section,
wherein the second cross-section is smaller than the first cross-section, and
wherein the plurality of electrical connections take the form of fuses.
2. The optoelectronic component according to claim 1 , wherein the second cross-section is reduced at least by a factor of 10 in comparison with the first cross-section.
3. The optoelectronic component according to claim 1 , wherein the power supply and the plurality of electrical connections are of one-piece construction or the power supply and the plurality of electrical connections are made from different materials.
4. The optoelectronic component according to claim 1 ,
wherein the electrical connections extend through the substrate.
5. The optoelectronic component according to claim 4 , wherein the substrate comprises a plurality of orifices, wherein one of the plurality of electrical connections is arranged in each of the plurality of orifices.
6. The optoelectronic component according to claim 1 , further comprising an insulator layer made from a meltable and/or pourable material, on at least one of the plurality of electrical connections.
7. The optoelectronic component according to claim 6 , wherein the at least one of the plurality of electrical connections is such that, in the case of a short circuit, the at least one of the plurality of electrical connections melts, and
wherein the insulator layer is suited to insulating at least one of the plurality of electrical connections.
8. The optoelectronic component according to claim 1 , wherein the functional layer comprises inorganic or organic materials.
9. The optoelectronic component according to claim 1 , wherein the functional layer comprises at least two segments, which are arranged separately from one another, and
wherein one segment of the functional layer is arranged on at least one of the plurality of segments of the first electrode layer.
10. The optoelectronic component according to claim 1 , wherein the functional layer is arranged continuously over at least two of the plurality of segments of the first electrode layer.
11. The optoelectronic according to claim 1 , wherein the at least two of the plurality of segments of the first electrode layer are connected parallel to one another.
12. The optoelectronic component according to claim 1 , further comprising at least one current spreading layer, which is arranged between at least one of the plurality of electrical connections and at least one of the plurality of segments of the first electrode layer.
13. The optoelectronic component according to claim 1 , wherein the second electrode layer comprises at least two segments, and
wherein one of the at least two segments is arranged over at least one of the plurality of segments of the first electrode layer.
14. The optoelectronic component according to claim 1 , wherein the second electrode layer is arranged continuously over at least two of the plurality of segments of the first electrode layer.
15. The optoelectronic component according to claim 6 , wherein the insulator layer is made from a meltable and/or pourable material.