Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT SOURCE WITH A LOW COLOUR TEMPERATURE
Document Type and Number:
WIPO Patent Application WO2006012833
Kind Code:
A3
Abstract:
The invention relates to LEDs with a low colour temperature of up to 5000 K, consisting of a blue-emitting LED and two illuminants mounted upstream thereof, a first illuminant being from the category of chlorosilicates and a second illuminant from the category of nitridosilicates of formula (Ca,Sr)2Si5N8:Eu.

Inventors:
FIEDLER TIM (DE)
JERMANN FRANK (DE)
STRAUSS JOERG (DE)
Application Number:
PCT/DE2005/001252
Publication Date:
June 01, 2006
Filing Date:
July 15, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH (DE)
OSRAM OPTO SEMICONDUCTORS GMBH (DE)
FIEDLER TIM (DE)
JERMANN FRANK (DE)
STRAUSS JOERG (DE)
International Classes:
H01L33/50
Domestic Patent References:
WO2001040403A12001-06-07
Foreign References:
DE20108013U12001-08-02
US20030006469A12003-01-09
US20040166320A12004-08-26
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: METHOD FOR LEVELLING OUT MODIFICATIONS OF THE CLEARANCE ABOVE ROAD SURFACE ON A TRACKED VEHICLE, WHI...

Next Patent: LAMP COMPRISING A BASE THAT IS MOUNTED WITHOUT CEMENT