Patent ID: 11873435
Assignee: CITIZEN ELECTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC C  F  G  H | IPC C  F  G  H

Claim 3:
4. The light emitting device according to claim 1, wherein the second phosphor comprises at least one selected from the group consisting of:
(Y,Tb)3(Al,Ga)5O12:Ce
(Y,Ga,Tb,La,Sm,Pr,Lu)3(Al,Ga)5O12:Ce
Sr4Al14O25:Eu
(Ba,Sr,Ca)Al2O4:Eu
(Sr,Ba)Al2Si2O8:Eu
(Ba,Mg)2SiO4:Eu
(Ba,Sr,Ca,Mg)2SiO4:Eu
(Ba,Sr,Ca)2(Mg,Zn)Si2O7:Eu
(Ba,Ca,Sr,Mg)9(Sc,Y,Lu,Gd)2(Si,Ge)6O24:Eu
Y2SiO5:Ce,Tb
Sr2P2O7—Sr2B2O5:Eu
Sr2Si3O8-2SrCl2:Eu
Zn2SiO4:Mn
CeMgAl11O19:Tb
Y3Al5O12:Tb
Ca2Y8(SiO4)6O2:Tb
La3Ga5SiO14:Tb
(Sr,Ba,Ca)Ga2S4:Eu,Tb,Sm
Ca3(Sc,Mg)2Si3O12:Ce
Ca3(Sc,Mg,Na,Li)2Si3O12:Ce
CaSc2O4:Ce
(Si, Al)6(O, N)8:Eu(Beta-SiAlON)
(Ba,Sr)MgAl10O17:Eu,Mn
SrAl2O4:Eu
(La,Gd,Y)2O2S:Tb
LaPO4:Ce,Tb
ZnS:Cu,Al
ZnS:Cu,Au,Al
(Y,Ga,Lu,Sc,La)BO3:Ce,Tb
Na2Gd2B2O7:Ce,Tb
(Ba,Sr)2(Ca,Mg,Zn)B2O6:K,Ce,Tb
Ca8Mg(SiO4)4Cl2:Eu,Mn
(Sr,Ca,Ba)(Al,Ga,In)2S4:Eu
(Ca,Sr)8(Mg,Zn)(SiO4)4Cl2:Eu,Mn
M3Si6O9N4:Eu (wherein M is an alkaline earth metal element)
M3Si6O12N2:Eu (wherein M is an alkaline earth metal element)
(Mg,Ca,Sr,Ba)Si2O2N2:Eu.