EP 1610593 A3 20070523 - Generation of white light with Light Emitting Diodes having different spectrum
Title (en)
Generation of white light with Light Emitting Diodes having different spectrum
Title (de)
Erzeugung von weissem Licht mit LED mit verschiedenen Spektrum
Title (fr)
Génération de lumière blanche avec des diodes électroluminescentes de spectres différents
Publication
Application
Priority
- US 16653399 P 19991118
- US 20114000 P 20000502
- US 23567800 P 20000927
- EP 00980578 A 20001120
- US 0031877 W 20001120
Abstract (en)
[origin: EP1610593A2] A light source for generating essentially white light, comprising at least one first white LED having a first spectrum and at least one second white LED having a second spectrum, the first spectrum being different than the second spectrum.
IPC 8 full level
F21K 99/00 (2010.01); F21V 9/02 (2006.01); H05B 44/00 (2022.01)
CPC (source: EP US)
H05B 45/20 (2020.01 - EP US); H05B 45/22 (2020.01 - US); H05B 47/175 (2020.01 - EP US); H05B 45/22 (2020.01 - EP)
Citation (search report)
- [X] EP 0936682 A1 19990818 - NICHIA KAGAKU KOGYO KK [JP]
- [PX] EP 0971421 A2 20000112 - SUMITOMO ELECTRIC INDUSTRIES [JP]
- [PY] DE 20007134 U1 20000817 - PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH [DE]
- [Y] US 5803579 A 19980908 - TURNBULL ROBERT R [US], et al
- [PY] WO 0037904 A1 20000629 - KONINKL PHILIPS ELECTRONICS NV [NL]
- [PY] EP 1024539 A2 20000802 - HEWLETT PACKARD CO [US]
- [PY] WO 0034709 A1 20000615 - RENSSELAER POLYTECH INST [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1610593 A2 20051228; EP 1610593 A3 20070523; EP 1610593 B1 20150708; EP 1610593 B2 20200219
DOCDB simple family (application)
EP 05076817 A 20001120