Abstract:
The invention provides a lighting unit comprising a source of blue light, a source of green light, a first source of red light comprising a first red luminescent material, configured to provide red light with a broad band spectral light distribution, and a second source of red light comprising a second red luminescent material, configured to provide red light with a spectral light distribution comprising one or more red emission lines. Especially, the first red luminescent material comprises (Mg,Ca,Sr)AlSiN3:Eu and/or (Ba,Sr,Ca)2Si5-xAlxOxN8-x:Eu, and the second red luminescent material comprises K2SiF6:Mn.
Abstract:
The invention provides a lighting unit comprising a light source, configured to generate light source light and a particulate luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED), wherein the particulate luminescent material comprises particles comprising cores, said cores comprising a phosphor comprising M′xM2-2xAX6 doped with tetravalent manganese, wherein M′ comprises an alkaline earth cation, M comprises an alkaline cation, and x is in the range of 0-1, wherein A comprises a tetravalent cation, at least comprising silicon, wherein X comprises a monovalent anion, at least comprising fluorine, and wherein the particles further comprise a metal phosphate based coating, wherein the metal of the metal phosphate based coating is selected from the group consisting of Ti, Si and Al.
Abstract:
The invention provides a lighting unit comprising a source of blue light, a source of green light, a first source of red light comprising a first red luminescent material, configured to provide red light with a broad band spectral light distribution, and a second source of red light comprising a second red luminescent material, configured to provide red light with a spectral light distribution comprising one or more red emission lines. Especially, the first red luminescent material comprises (Mg,Ca,Sr)AlSiN3:Eu and/or (Ba,Sr,Ca)2Si5-xAlxOxN8-x:Eu, and the second red luminescent material comprises K2SiF6:Mn.
Abstract translation:本发明提供了一种照明单元,其包括蓝光源,绿光源,包括第一红色发光材料的第一红光源,用于提供具有宽带光谱分布的红光,以及第二源 红光包括第二红色发光材料,其被配置为提供具有包括一个或多个红色发射线的光谱分布的红光。 特别地,第一红色发光材料包含(Mg,Ca,Sr)AlSiN 3:Eu和/或(Ba,Sr,Ca)2 Si 5-x Al x O x N 8-x:Eu,第二红色发光材料包括K 2 SiF 6:Mn。
Abstract:
The invention provides a lighting unit comprising a light source, configured to generate light source light and a luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED) and wherein the luminescent material comprises a phosphor comprising M2AX6 doped with tetravalent manganese, wherein M comprises monovalent cations, at least comprising potassium and rubidium, wherein A comprises a tetravalent cation, at least comprising silicon, wherein X comprises a monovalent anion, at least comprising fluorine, and wherein M2AX6 has the hexagonal phase.
Abstract:
The invention provides, amongst others for application in a lighting unit, a phosphor having the formula M1−x−y−zZzAaBbCcDdEeN4−nOn:ESxREy (I), with M=selected from the group consisting of Ca, Sr, and Ba; Z=selected from the group consisting of monovalent Na, K, and Rb; A=selected from the group consisting of divalent Mg, Mn, Zn, and Cd; B=selected from the group consisting of trivalent B, Al and Ga; C=selected from the group consisting of tetravalent Si, Ge, Ti, and Hf; D=selected from the group consisting of monovalent Li, and Cu; E=selected for the group consisting of P, V, Nb, and Ta; ES=selected from the group consisting of divalent Eu, Sm and Yb; RE=selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm; 0≦x≦0.2; 0≦y≦0.2; 0
Abstract translation:本发明除了应用于照明单元中还提供了具有式M1-x-y-zZaAbBCcDdEeN4-nOn:ESxREy(I)的荧光体,其中M =选自Ca,Sr和Ba; Z =选自单价Na,K和Rb; A =选自二价Mg,Mn,Zn和Cd; B =选自三价B,Al和Ga; C =选自四价Si,Ge,Ti和Hf组成的组; D =选自由一价Li和Cu组成的组; E =由P,V,Nb和Ta组成的组选择; ES =选自二价Eu,Sm和Yb; RE =选自三价Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er和Tm组成的组; 0≦̸ x≦̸ 0.2; 0≦̸ y≦̸ 0.2; 0
Abstract:
The invention provides a lighting unit comprising a light source, configured to generate light source light and a particulate luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED), wherein the particulate luminescent material comprises particles comprising cores, said cores comprising a phosphor comprising M′xM2-2xAX6 doped with tetravalent manganese, wherein M′ comprises an alkaline earth cation, M comprises an alkaline cation, and x is in the range of 0-1, wherein A comprises a tetravalent cation, at least comprising silicon, wherein X comprises a monovalent anion, at least comprising fluorine, and wherein the particles further comprise a metal phosphate based coating, wherein the metal of the metal phosphate based coating is selected from the group consisting of Ti, Si and Al.