Method for producing a plurality of optoelectronic components and optoelectronic component
View Patent ↗The invention relates to a method for producing a plurality of optoelectronic components, comprising the following steps: —providing an auxiliary support wafer ( 1 ) having contact structures ( 4 ), wherein the auxiliary support wafer comprises glass, sapphire, or a semiconductor material, —applying a plurality of radiation-emitting semiconductor bodies ( 5 ) to the contact structures ( 4 ), —encapsulating an least the contact structures ( 4 ) with a potting mass ( 10 ), and —removing the auxiliary support wafer ( 1 ). The invention further relates to an optoelectronic component.
1. A method for producing a plurality of optoelectronic components having the following steps:
providing an auxiliary carrier wafer having contact structures;
applying a plurality of radiation-emitting semiconductor bodies to the contact structures;
encapsulating the contact structures with a mechanically stabilizing material which terminates flush with a surface of the contact structures, the mechanically stabilizing material being a housing material;
applying a potting mass to the surface, which is formed by the contact structures and the mechanically stabilizing material, such that the potting mass terminates flush with a front side of the semiconductor bodies; and
removing the auxiliary carrier wafer.
2. The method according to claim 1 , wherein the contact structures have a first metallic layer and a second metallic layer, wherein the second metallic layer is galvanically deposited on the first metallic layer.
3. The method according to claim 2 , wherein the second metallic layer has lateral flanks having an undercut.
4. The method according to claim 1 , wherein the potting mass is reflective and/or wavelength-converting.
5. The method according to claim 1 , wherein the potting mass is applied using one of the following methods: casting, dispensing, jetting, molding.
6. The method according to claim 1 , wherein the auxiliary carrier wafer is removed by one of the following methods: laser liftoff, etching, grinding.
7. The method according to claim 1 , wherein a wavelength-converting layer is arranged in a light path of the semiconductor bodies.
8. The method according to claim 1 , wherein an optical element is arranged in the light path of each semiconductor body.
9. The method according to claim 8 , wherein the optical elements are molded above the semiconductor bodies.
10. The method according to claim 1 , wherein the semiconductor bodies are implemented as flip-chips.
11. The method according to claim 1 , wherein the semiconductor bodies have an electrical contact or at least two electrical contacts on their front side.
12. The method according to claim 1 , wherein an upper edge of the potting mass extends up to an upper edge of the semiconductor bodies.
13. The method according to claim 1 , wherein each later component has a plurality of semiconductor bodies.
14. An optoelectronic component, which is produced using a method according to claim 1 .
15. A method for producing a plurality of optoelectronic components having the following steps:
providing an auxiliary carrier wafer having contact structures;
applying a plurality of radiation-emitting semiconductor bodies to the contact structures;
encapsulating the contact structures with a mechanically stabilizing material which terminates flush with a surface of the contact structures, the mechanically stabilizing material being a housing material;
applying a reflective potting mass to the surface, which is formed by the contact structures and the mechanically stabilizing material, such that the potting mass terminates flush with a front side of the semiconductor bodies; and
removing the auxiliary carrier wafer.