Examples of the present invention relate to a phosphor plate composition having a wide emission region while improving luminance. The composition comprises: yttrium aluminum garnet (YAG) or gadolinium yttrium aluminum garnet ((Gd,Y)AG) phosphor powders doped with any one dopant selected from cerium (Ce), gadolinium (Gd) and neodymium (Nd); and a sintering agent of any one selected from lithium fluoride (LiF), magnesium oxide (MgO) and spinel (MgAl2O4).
PHOSPHOR PLATE COMPOSITION AND PHOSPHOR PLATE FOR VEHICLE HEADLAMP COMPRISING SAME
2018-08-02
Patent
Elektronische Ressource
Englisch
IPC: | C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES |
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