Patent · US Expired

Lamp

US7160012B2 · kind B2 · utility

80Cited by

4References

20Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Achim Hilscher · Friedberg, DE
Harald Hofmann · Bergneustadt, DE
Thomas Noll · Kipfenberg, DE
Martin Zachau · Geltendorf, DE

Key dates

Filing date	Jan 3, 2003
Grant date	Jan 9, 2007
Priority date	—
Expiry date	Jan 11, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lamp (10) is disclosed with a single or double-sided socket, whereby a bulb element (11) is arranged on the at least one socket (12), which surrounds a volume of space (14) and said lamp is provided with at least one LED element (13). An irradiation of the LED light into the bulb element occurs and, as a result of reflection, in particular total reflection, on the defining surfaces (16,17) of the bulb element a transmission of the LED light within the bulb element occurs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.