Optoelectronic device

US11056621B2 · kind B2 · utility

Assignee

• Osram OLED GMBH · DE

Inventors

• Tansen Varghese · Regensburg, DE
• David O'Brien · Portland, US
• Georg Roßbach · Regensburg, DE

Key dates

• Filing date: Sep 7, 2017
• Grant date: Jul 6, 2021
• Expiry date: Oct 13, 2037

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/882

Abstract

An optoelectronic device is disclosed. In an embodiment an optoelectronic device includes a primary radiation source configured to emit an electromagnetic primary radiation during operation of the device and a conversion element arranged in a beam path of the electromagnetic primary radiation, wherein the conversion element includes quantum dots configured to at least partially convert the electromagnetic primary radiation into an electromagnetic secondary radiation during operation of the device, and wherein the quantum dots have a diameter of 50 nm inclusive to 500 nm inclusive.