Patent · US Expired

Radiation source and method for producing a lens mould

US7262437B2 · kind B2 · utility

9Cited by

9References

12Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Georg Bogner · Lappersdorf, DE
Wolfgang Gramann · Regensburg, DE
Patrick Kromotis · Regensburg, DE
Werner Marchl · Barbing, DE
Werner Spath · Holzkirchen, DE
Gunter Waitl · Regensburg, DE

Key dates

Filing date	Jul 30, 2001
Grant date	Aug 28, 2007
Priority date	—
Expiry date	Jul 30, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/19107
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A radiation source has a field of semiconductor chips, which are disposed below a field of micro-lenses (8) disposed in a hexagonal lattice structure. The radiation source is distinguished by high radiation output and radiation density.

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