Optoelectronic component

US9269866B2 · kind B2 · utility

Assignee

• OSRAM Opto Semiconductors GmbH · DE

Inventors

• Torsten Baade · Regensburg, DE
• Kristin Groβe · Regensburg, DE

Key dates

• Filing date: Jul 8, 2011
• Grant date: Feb 23, 2016
• Expiry date: Dec 1, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2224/73265
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An optoelectronic component includes a semiconductor chip, and a phosphor at least partly surrounding the semiconductor chip, wherein 1) the semiconductor chip emits a primary radiation in a short-wave blue spectral range at a dominant wavelength of less than approximately 465 nm, and wherein the phosphor converts at least part of the primary radiation into a longer-wave secondary radiation in a green spectral range at a dominant wavelength of approximately 490 nm to approximately 550 nm, and 2) a mixed light composed of primary radiation and secondary radiation has a dominant wavelength at wavelengths of approximately 460 nm to approximately 480 nm such that luminous flux of the mixed light is up to 130% greater than luminous flux of an optoelectronic component without a phosphor having the same dominant wavelength of 460 nm to 460 nm.