Phosphor-converted light-emitting device

US11476393B2 · kind B2 · utility

Assignee

• AMS AG · AT

Inventors

• Gunter Siess · Eindhoven, NL
• Julius Komma · Jena, DE
• Peter Roentgen · Thalwil, CH
• Martin Salt · Exeter, GB

Key dates

• Filing date: Sep 13, 2018
• Grant date: Oct 18, 2022
• Expiry date: Sep 13, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/851

Abstract

A phosphor-converted light-emitting device comprising an emitter device configured to emit a spectrum of electromagnetic radiation, a conversion layer comprising at least one phosphor, the conversion layer being configured to convert electromagnetic radiation of the spectrum into electromagnetic radiation of a different further spectrum, and a blocking layer configured to attenuate electromagnetic radiation outside the further spectrum, the conversion layer being arranged between the emitter device and the blocking layer.