Silicon carbidonitride based phosphors and lighting devices using the same

US8535566B2 · kind B2 · utility

Assignee

• Lightscape Materials, Inc. · US

Inventors

• Yuanqiang Li · Plainsboro, US
• Michael Dennis Romanelli · East Brunswick Township, US
• Yongchi Tian · Princeton Junction, US

Key dates

• Filing date: Jun 20, 2011
• Grant date: Sep 17, 2013
• Expiry date: Dec 2, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2924/181
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed herein are novel families of silicon carbidonitride phosphor compositions. In certain embodiments, optimal ranges of carbon content have been identified which provide excellent luminescence and thermal stability characteristics.