Green emitting phosphors and blends thereof

US7857994B2 · kind B2 · utility

Assignee

• GE LIGHTING SOLUTIONS LLC · US

Inventors

• Anant Achyut Setlur · Niskayuna, US
• Oltea Puica Siclovan · Rexford, US
• Prasanth Kumar Nammalwar · Savanuru, IN
• Ramesh Rao Sathyanarayan · Bengaluru, IN
• Digamber Gurudas Porob · Savanuru, IN
• Ramachandran Gopi Chandran · Bengaluru, IN
• William Jordan Heward · Saratoga Springs, US
• Emil Radkov · Kyle, US
• Linda Jane Valyou Briel · Niskayuna, US

Key dates

• Filing date: May 30, 2007
• Grant date: Dec 28, 2010
• Expiry date: Jun 3, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02B20/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Phosphor compositions, blends thereof and light emitting devices including white light emitting LED based devices, and backlights, based on such phosphor compositions. The devices include a light source and a phosphor material as described. Also disclosed are phosphor blends including such a phosphor and devices made therefrom.