IP Library Granted Patent US 11,569,635
Granted Patent B2
US 11,569,635 · App. 16/767,067 · Granted Jan 31, 2023

Radiation-emitting semiconductor component

Inventor: Petrus Sundgren (Lappersdorf, DE)
Assignee: OSRAM OLED GMBH
H01S5/3095H01L27/153H01L33/06H01L33/465H01S5/0206H01S5/04256H01S5/18308H01S5/18313H01S5/18361H01S5/343H01S5/423
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Quick Facts
Patent No.
US 11,569,635
App. No.
16/767,067
Granted
Jan 31, 2023
Kind
B2
Abstract

A radiation-emitting semiconductor component is disclosed. In an embodiment, a component includes a semiconductor layer sequence and a carrier on which the semiconductor layer sequence is arranged, wherein the semiconductor layer sequence comprises an active region configured for generating radiation, an n-conducting mirror region and a p-conducting mirror region, wherein the active region is arranged between the n-conducting mirror region and the p-conducting mirror region, and wherein the p-conducting mirror region is arranged closer to the carrier than the active region.

Claims (30)

1. A radiation-emitting semiconductor component comprising:

a semiconductor layer sequence; and

a carrier on which the semiconductor layer sequence is arranged,

wherein the semiconductor layer sequence comprises an active region configured for generating radiation, an n-conducting mirror region and a p-conducting mirror region,

wherein the active region is arranged between the n-conducting mirror region and the p-conducting mirror region,

wherein the p-conducting mirror region is arranged closer to the carrier than the active region, and

wherein the n-conducting mirror region contains at least one of Te, Sn, or Se.

2. The radiation-emitting semiconductor component according to claim 1 , wherein the carrier is n-conductively doped.

3. The radiation-emitting semiconductor component according to claim 1 , wherein the carrier comprises GaAs doped with silicon.

4. The radiation-emitting semiconductor component according to claim 1 , wherein a tunnel junction is formed between the p-conducting mirror region and the carrier.

5. The radiation-emitting semiconductor component according to claim 4 , wherein a direct electrical connection is formed between the tunnel junction and the carrier.

6. The radiation-emitting semiconductor component according to claim 1 , wherein a main dopant of the n-conducting mirror region is different from silicon.

7. The radiation-emitting semiconductor component according to claim 1 , wherein the semiconductor layer sequence is based on In y Al x Ga (1−x−y ) P z As (1−z ).

8. The radiation-emitting semiconductor component according to claim 1 , wherein the radiation-emitting semiconductor component comprises a rear contact electrically conductively connected to the p-conducting mirror region via the carrier.

9. The radiation-emitting semiconductor component according to claim 1 , wherein the radiation-emitting semiconductor component comprises a front contact arranged on a side of the n-conducting mirror region facing away from the active region.

10. The radiation-emitting semiconductor component according to claim 1 , wherein the active region is divided into a plurality of segments.

11. The radiation-emitting semiconductor component according to claim 10 , wherein the segments are independently controllable of each other.

12. The radiation-emitting semiconductor component according to claim 1 , wherein the radiation-emitting semiconductor component comprises a current constriction structure.

13. The radiation-emitting semiconductor component according to claim 12 , wherein the current constriction structure comprises an oxide aperture.

14. The radiation-emitting semiconductor component according to claim 12 , wherein the current constriction structure comprises an implantation region.

15. The radiation-emitting semiconductor component according to claim 1 , wherein the radiation-emitting semiconductor component is a VCSEL.

16. The radiation-emitting semiconductor component according to claim 1 , wherein the semiconductor layer sequence comprises a radiation exit surface on a side opposite the carrier.

17. The radiation-emitting semiconductor component according to claim 16 , wherein the radiation-emitting semiconductor component comprises a rear contact electrically conductively connected to the p-conducting mirror region via the carrier, and wherein the rear contact forms a common rear contact for at least two or all segments.

18. A radiation-emitting semiconductor component comprising:

a semiconductor layer sequence; and

a carrier on which the semiconductor layer sequence is arranged,

wherein the semiconductor layer sequence comprises an active region configured for generating radiation, an n-conducting mirror region and a p-conducting mirror region,

wherein the active region is arranged between the n-conducting mirror region and the p-conducting mirror region,

wherein the p-conducting mirror region is arranged closer to the carrier than the active region, and

wherein the semiconductor layer sequence is based on In y Al x Ga (1−x−y )P z As (1−z) .

Assignments (2)
MERGER Recorded Feb 17, 2026
From: OSRAM OLED GMBH
To: AMS-OSRAM INTERNATIONAL GMBH
Reel/Frame 074881/0104 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2020
From: SUNDGREN, PETRUS
To: OSRAM OLED GMBH
Reel/Frame 053282/0572 →