Back to results
US 11,692,133 B2Granted
Process of manufacturing a conversion element, conversion element and light emitting device comprising the conversion element
AssigneeOSRAM Opto Semiconductors GmbH
InventorsDarshan Kundaliya, Jeffery J. Serre, James Avallon, Kathleen A. Lawson
Life of this patent
Estimating the term…
Abstract
In an embodiment a conversion element includes a first phase and a second phase, wherein the first phase comprises lutetium, aluminum, oxygen and a rare-earth element, wherein the second phase comprises Al2O3 single crystals, and wherein the conversion element comprises at least one groove.
Claims20
A conversion element comprising:
- a first phase;
- and
- a second phase,
- wherein the first phase comprises lutetium, aluminum, oxygen and a rare-earth element, and the second phase comprises Al2O3 single crystals, and
- wherein the conversion element comprises at least one groove.
2 more elements
A light emitting device comprising:
- a primary light source configured to emit primary radiation during operation of the light emitting device;
- and
- a conversion element arranged in a beam path of the primary light source and configured to at least partly convert the primary radiation into secondary radiation,
- wherein the conversion element comprises a first phase and a second phase,
- wherein the first phase comprises lutetium, aluminum, oxygen and a rare-earth element and the second phase comprises Al2O3 single crystals, and
- wherein the conversion element comprises at least one groove.
3 more elements
A conversion element comprising:
- a first phase;
- and
- a second phase,
- wherein the first phase comprises lutetium, aluminum, oxygen and a rare-earth element, and the second phase comprises Al2O3 single crystals, and
- wherein the conversion element comprises a checked surface pattern.
2 more elements
Dependencies are inferred from the claim text.