The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2006
Filed:
Oct. 07, 2003
Peter Schmidt, Aachen, DE;
Thomas Jüstel, Aachen, DE;
Walter Mayr, Alsdorf, DE;
Hans-dieter Bausen, Aachen, DE;
Wolfgang Schnick, Gauting, DE;
Henning Höppe, Kirchanschöring, DE;
Peter Schmidt, Aachen, DE;
Thomas Jüstel, Aachen, DE;
Walter Mayr, Alsdorf, DE;
Hans-Dieter Bausen, Aachen, DE;
Wolfgang Schnick, Gauting, DE;
Henning Höppe, Kirchanschöring, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention concerns a light emitting device comprising a light emitting structure capable of emitting primary light of a wavelength less then 480 nm and a luminescent screen comprising a phosphor of general formula (SrCaBaMgZn)SiNO:Eu, wherein 0.002≦a≦0.2, 0.0≦b≦0.25, 0.0≦c≦0.25, 0.0≦d≦0.25, 0.0≦e≦0.25, 1.5≦x≦2.5, 1.5≦y≦2.5 and 1.5≦z≦2.5. The invention also concerns a luminescent screen comprising a phosphor of general formula (SrCaBaMgZn)SiNO:Eu, wherein 0.002≦a≦0.2, 0.0≦b≦0.25, 0.0≦c≦0.25, 0.0≦d≦0.25, 0.0≦e≦0.25, 1.5≦x≦2.5, 1.5≦y≦2.5 and 1.5≦z≦2.5. The invention also concerns a phosphor of general formula (SrCaBaMgZn)SiNO:Eu, wherein 0.002≦a≦0.2, 0.0≦b≦0.25, 0.0≦c≦0.25, 0.0≦d≦0.25, 0.0≦e≦0.25, 1.5≦x≦2.5, 1.5≦y≦2.5 and 1.5 <z<2.5.