Optoelectronic semiconductor part containing alkali-free and halogen-free metal phosphate
View Patent ↗An optoelectronic semiconductor part comprising a light source, a housing and electrical connections, wherein the optoelectronic semiconductor part comprises a component which contains metal phosphate, and wherein the metal phosphate is substantially alkali-free and halogen-free.
1. An optoelectronic semiconductor part comprising a light source, a housing and electrical connections, wherein the optoelectronic semiconductor part comprises a component which contains metal phosphate, and wherein the metal phosphate contains no more than 1 mol-% of alkali oxides and halogen-containing components.
2. The optoelectronic semiconductor part as claimed in claim 1 , wherein the metal phosphate contains phosphate as the main component.
3. The optoelectronic semiconductor part as claimed in claim 1 , wherein the metal phosphate contains in the range of 5mol-% to 75mol-% of P2O5 and, in particular in the range of 5 mol-% to 25 mol-% Al2O3or Y2O3.
4. The optoelectronic semiconductor part as claimed in claim 1 , wherein in the range of 0.5 mol-% to 10 mol-% of vanadium V, tellurium Te and/or bismuth Bi is added to the metal phosphate in each case.
5. The optoelectronic semiconductor part as claimed in claim 1 , wherein inorganic components which increase the refractive index and/or serve as fillers and/or act as optical filters and/or reflect and/or reduce reflection and/or absorb radiation are added to the metal phosphate.
6. The optoelectronic semiconductor part as claimed in claim 1 , wherein the component which contains metal phosphate is an adhesive as a binding agent between two components of the semiconductor part.
7. The optoelectronic semiconductor part as claimed in claim 1 , wherein the component which contains metal phosphate is a matrix for a conversion element.
8. The optoelectronic semiconductor part as claimed in claim 1 , wherein the component which contains metal phosphate is a housing component or a lens.
9. The optoelectronic semiconductor part as claimed in claim 1 , wherein the component which contains metal phosphate is a protective layer for luminophore particles.
10. The optoelectronic semiconductor part as claimed in claim 1 , wherein the component which contains metal phosphate is a coating or a matrix of a coating of the conversion element.