Alkali-free aluminoborosilicate glasses for lighting means with external or internal contacting

US8004196B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Jorg Fechner · Mainz, DE
• Franz Ott · Mitterteich, DE
• Christof Kass · Tirschenreuth, DE

Key dates

• Filing date: Nov 20, 2008
• Grant date: Aug 23, 2011
• Expiry date: Jun 14, 2029

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01J61/302
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to aluminoborosilicate glasses as a glass casing body of a lighting means, especially for background illumination, which glass composition is equally suitable for use in lighting means with external contacting as well as for lighting means with internal contacting.