Optoelectronic component

US10868223B2 · kind B2 · utility

Assignee

• Osram OLED GMBH · DE

Inventors

• Rainer Butendeich · Regensburg, DE
• Alexander Baumgartner · Donaustauf, DE

Key dates

• Filing date: Jan 23, 2019
• Grant date: Dec 15, 2020
• Expiry date: Jan 23, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K11/7774
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An optoelectronic component includes a semiconductor chip that emits primary radiation from the blue spectral region, a conversion element including at least three phosphors each converting the primary radiation into secondary radiation, wherein the first phosphor emits secondary radiation from the green spectral region, the second phosphor emits secondary radiation from the red spectral region, the third phosphor is a potassium-silicon-fluoride phosphor that emits secondary radiation from the red spectral region, and the component has an Ra value of at least 80 and an R9 value of at least 75, and emits white mixed radiation.