Optoelectronic semiconductor component
View Patent ↗Disclosed is an optoelectronic semiconductor component ( 1 ) comprising a semiconductor member ( 2 ) that has a succession of semiconductor layers including an active region ( 20 ) for generating radiation, a first semiconductor layer ( 21 ), and a second semiconductor layer ( 22 ). The active region is located between the first semiconductor layer and the second semiconductor layer; the semiconductor member has a plurality of cavities ( 25 ) which extend through the second semiconductor layer and the active region; and from a bird's eye view onto the semiconductor member, the cavities are elongate and have a longitudinal axis ( 250 ).
1. An optoelectronic semiconductor component with a semiconductor body, which comprises a semiconductor layer sequence with an active region provided for generation of radiation, a first semiconductor layer and a second semiconductor layer,
wherein the active region is arranged between the first semiconductor layer and the second semiconductor layer,
wherein the semiconductor body comprises a plurality of recesses extending through the second semiconductor layer and the active region,
wherein the recesses are arranged on intersection points of first straight lines, which extend parallel to one another along a first direction, and second straight lines, which extend parallel to one another along a second direction,
wherein the first straight lines run equidistantly at a first distance to one another,
wherein the second straight lines run equidistantly at a second distance to one another,
wherein the first distance is at least 1.1 times greater than the second distance,
wherein the first straight lines run at a larger angle to a longitudinal extension axis than the second straight lines and an angle between the first straight lines and the second straight lines is between 50° and 80°, inclusive, and
wherein in a plan view of the semiconductor body, the recesses are formed elongated with the longitudinal extension axis.
2. The optoelectronic semiconductor component according to claim 1 , wherein the recesses have, along the longitudinal extension axis, a maximum longitudinal extension and perpendicularly thereto a maximum transversal extension, and wherein a ratio of the maximum longitudinal extension to the maximum transversal extension is between including 1.1:1 and 10:1.
3. The optoelectronic semiconductor component according to claim 1 , wherein the semiconductor component comprises a first connection layer, which is guided through the recesses and which is electrically conductively connected to the first semiconductor layer,
wherein the semiconductor component comprises a second connection layer, which is electrically conductively connected to the second semiconductor layer, and
wherein a preferred lateral current direction runs parallel to the longitudinal extension axis in the second connection layer.
4. The optoelectronic semiconductor component according to claim 3 , wherein the semiconductor component comprises a carrier having the semiconductor body arranged thereon, and wherein the first connection layer extends between the semiconductor body and the carrier in some regions.
5. The optoelectronic semiconductor component according to claim 1 , wherein a first outer distance between neighboring recesses along the first direction is greater than a second outer distance along the second direction.
6. The optoelectronic semiconductor component according to claim 1 , wherein the semiconductor component comprises a first connection layer, which is guided through the recesses and which is electrically conductively connected to the first semiconductor layer,
wherein the semiconductor component comprises a second connection layer, which is electrically conductively connected to the second semiconductor layer,
wherein a preferred lateral current direction extends parallel to the longitudinal extension axis in the second connection layer,
wherein the semiconductor body is arranged on a carrier of the semiconductor component and the first connection layer extends between the semiconductor body and the carrier in some regions, and
wherein the recesses are arranged in a hexagonal lattice stretched along the longitudinal extension axis.
7. The optoelectronic semiconductor component according to claim 1 , wherein the angle between the first straight lines and the second straight lines is between including 60° and 80°.
8. The optoelectronic semiconductor component according to claim 1 , wherein the recesses are arranged in a non-orthogonal lattice.
9. The optoelectronic semiconductor component according to claim 1 , wherein a first outer distance between recesses along the first straight lines is between including 0.2 and including five times a maximum transversal extension of the recesses.
10. An optoelectronic semiconductor component with a semiconductor body, which comprises a semiconductor layer sequence with an active region provided for generation of radiation, a first semiconductor layer and a second semiconductor layer,
wherein the active region is arranged between the first semiconductor layer and the second semiconductor layer,
wherein the semiconductor body comprises a plurality of recesses extending through the second semiconductor layer and the active region,
wherein the recesses are arranged on intersection points of first straight lines, which extend parallel to one another along a first direction, and second straight lines, which extend parallel to one another along a second direction,
wherein the first straight lines run equidistantly at a first distance to one another,
wherein the second straight lines run equidistantly at a second distance to one another,
wherein the first distance is at least 1.1 times greater than the second distance,
wherein the first straight lines run at a larger angle to a longitudinal extension axis than the second straight lines and an angle between the first straight lines and the second straight lines is between 60° and 80°, inclusive, and
wherein in a plan view of the semiconductor body, the recesses are formed elongated with the longitudinal extension axis.
11. The optoelectronic semiconductor component according to claim 10 , wherein a first outer distance between neighboring recesses along the first direction is greater than a second outer distance between neighboring recesses along the second direction, so that a lateral current injection into the second semiconductor layer along a preferred current direction is promoted.
12. The optoelectronic semiconductor component according to claim 10 , wherein for promoting an efficient charge carrier injection for both polarities, a first outer distance between neighboring recesses along the first direction is between including 0.2 times and including five times a maximum transversal extension of the recesses.
13. The optoelectronic semiconductor component according to claim 10 , wherein for promoting an efficient charge carrier injection for both polarities, a first outer distance between neighboring recesses along the first direction is between including 0.5 times and including three times a maximum transversal extension of the recesses.