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Double Patenting
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Claims 1-20 rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-11, 23-27 (see below) of U.S. Patent No. 12195655. Although the claims at issue are not identical, they are not patentably distinct from each other because the claims of the instant application are anticipated by those of the issued patent (see below).
Application 18/970327
USPN 12195655
1. A phosphor composition comprising an activated uranium-based phosphor having formula I or II:
[Ba1−a−bSraCab]x[Mg,Zn]y(UO2)z([P,V]O4)2(x+y+z)/3 (I)
[Ba1−a−bSraCab]p(UO2)q[P,V]rO(2p+2q+5r)/2 (II), wherein the phosphor is doped with Eu3+, and wherein 0≤a≤1, 0≤b≤1, 0.75≤x≤1.25, 0.75≤y≤1.25, 0.75≤z≤1.25, 2.5≤p≤3.5, 1.75≤q≤2.25, and 3.5≤r≤4.5, with the proviso that formula II excludes the combination of a is 0, b is 0, p is 3.5, q is 1.75, and r is 3.5.
2. The phosphor composition according to claim 1, wherein the phosphor is selected from the group consisting of: Ba3(PO4)2(UO2)2P2O7, BaZnUO2(PO4)2, BaMgUO2(PO4)2.
3. The phosphor composition according to claim 1, wherein the phosphor has a D50 particle size from about 0.1 μm to about 15 μm.
4. The phosphor composition according to claim 1 further comprising at least one other luminescent material.
5. The phosphor composition according to claim 1 further comprising at least one other luminescent phosphor material comprising [Ba,Sr,Ca]2SiO4:Eu2+, [Y,Gd,Lu,Tb]3[Al,Ga]5O12:Ce3+, β-SiAlON:Eu2+, [Sr,Ca,Ba][Ga,Al]2S4:Eu2+, [Li,Ca]α-SiAlON:Eu2+, [Ba,Sr,Ca]2Si5N.8:Eu2+, [Ca,Sr]AlSiN3:Eu2+, [Ba,Sr,Ca]LiAl3N4:Eu2+, [Sr,Ca,Mg]S:Eu2+, phosphorescent dyes, color filter pigments, polyfluorenes, metal oxide nanoparticles or quantum dot material.
6. The phosphor composition according to claim 5, wherein the quantum dot material comprises perovskite quantum dots.
7. The phosphor composition according to claim 1 further comprising a red phosphor having formula VI:
Ax(MFy):Mn4+ VI wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is an absolute value of a charge of the MFy ion; and y is 5, 6 or 7.
8. The phosphor composition according to claim 7, wherein the red phosphor comprises: K2(TiF.6):Mn4+, K2(SnF.6):Mn4+, Cs2(TiF.6):Mn4+, Rb2(TiF.6):Mn4+, Cs2(SiF.6):Mn4+, Rb2(SiF.6):Mn4+, Na2(SiF.6):Mn4+, Na2(TiF.6):Mn4+, Na2(ZrF.6):Mn4+, K3(ZrF7):Mn4+, K3(BiF7):Mn4+, K3(YF7):Mn4+, K3(LaF7):Mn4+, K3(GdF7):Mn4+, K3(NbF7):Mn4+ or K3(TaF7):Mn4+.
9. The phosphor composition according to claim 7, wherein the red phosphor is K2SiF.6:Mn4+.
10. The phosphor composition according to claim 7, wherein the red phosphor is at least partially coated with a surface coating comprising a metal fluoride or a silica.
11. The phosphor composition according to claim 10, wherein the metal fluoride is selected from the group consisting of MgF2, CaF2, SrF2, BaF2, AgF, ZnF2, AlF3, and a combination thereof.
12. The phosphor composition according to claim 7, wherein the activated uranium-based phosphor is selected from the group consisting of: Ba3(PO4)2(UO2)2P2O7, BaZnUO2(PO4)2, BaMgUO2(PO4)2.
13. The phosphor composition according to claim 7, wherein the activated uranium- based phosphor and the red phosphor have a D50 particle size from about 0.1 μm to about 15 μm.
14. The phosphor composition according to claim 7 further comprising at least one other luminescent material.
15. The phosphor composition according to claim 14, wherein the at least one other luminescent phosphor material
comprises [Ba,Sr,Ca]2SiO4:Eu2+, [Y,Gd,Lu, Tb]3[Al,Ga]5O12:Ce3+, β-SiAlON:Eu2+, [Sr,Ca,Ba][Ga,Al]2S4:Eu2+, [Li,Ca]α-SiAlON:Eu2+, [Ba,Sr,Ca]2Si5N.8:Eu2+, [Ca,Sr] AlSiN3:Eu2+, [Ba,Sr,Ca]LiAl3N4:Eu2+, [Sr,Ca,Mg]S:Eu2+, phosphorescent dyes, color filter pigments, polyfluorenes, metal oxide nanoparticles or quantum dot material, wherein A is Li, Na, K, Rb, Cs, or a combination thereof: and M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof.
16. The phosphor composition according to claim 15, wherein the quantum dot material comprises perovskite quantum dots.
17. A device comprising an LED light source radiationally and/or optically coupled to the phosphor composition according to claim 1.
18. The device according to claim 17, wherein the LED light source is a mini LED or a micro LED.
19. The device according to claim 17, wherein the LED light source emits blue light or UV light.
20. The device according to claim 17, wherein the LED light source comprises an LED chip on which the phosphor composition is deposited.
1. A phosphor composition comprising an activated uranium-based phosphor having formula I or II:
[Ba1−a−bSraCab]x[Mg,Zn]y(UO)2)z([P,V]O4)2(x+z)/3 (I)
[Ba1−a−bSraCab]p(UO2)q[P,V]rO(2p+2q+5r)/2 (II), wherein the phosphor is doped with Eu3+, and wherein 0≤a≤1, 0≤b≤1, 0.75≤x≤1.25, 0.75≤y≤1.25, 0.75≤z≤1.25, 2.5≤p≤3.5, 1.75≤q≤2.25, and 3.5≤r≤4.5, with the proviso that formula II excludes the combination of a is 0, b is 0, p is 3.5, q is 1.75, and r is 3.5.
21. The phosphor composition according to claim 1, wherein the phosphor is selected from the group consisting of: Ba3(PO4)2(UO2)2P2O7, BaZnUO2(PO4)2, and BaMgUO2(PO4)2.
22. The phosphor composition according to claim 1, wherein the phosphor has a D50 particle size from about 0.1 μm to about 15 μm.
2. The phosphor composition according to claim 1 further comprising at least one other luminescent material selected from the group consisting of: additional phosphors, phosphorescent dyes, color filter pigments, polyfluorenes, metal oxide nanoparticles, scattering particles and quantum dot material, and wherein the additional phosphors is selected from the group consisting of: [Ba,Sr,Ca]2SiO4:Eu2+, [Y,Gd,Lu,Tb]3[Al,Ga]5O12:Ce3+, β-SiAlON:Eu2+, [Sr,Ca,Ba][Ga,Al]2S4:Eu2+, [Li,Ca]α-SiAlON:Eu2+, [Ba,Sr,Ca]2Si5N.8:Eu2+, [Ca,Sr]AlSiN3:Eu2+, [Ba,Sr,Ca]LiAl3N4:Eu2+, [Sr,Ca,Mg]S:Eu2+, and combinations thereof.
3. The phosphor composition according to claim 2, wherein the quantum dot material comprises perovskite quantum dots.
4. The phosphor composition according to claim 1 further comprising a red phosphor having formula VI:
Ax(MFy):Mn4+ VI wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is an absolute value of a charge of the MFy ion; and y is 5, 6 or 7.
5. The phosphor composition according to claim 4, wherein the red phosphor comprises: K2(TiF.6):Mn4+, K2(SnF.6):Mn4+, Cs2(TiF.6):Mn4+, Rb2(TiF.6):Mn4+, Cs2(SiF.6):Mn4+, Rb2(SiF.6):Mn4+, Na2(SiF.6):Mn4+, Na2(TiF.6):Mn4+, Na2(ZrF.6):Mn4+, K3(ZrF7):Mn4+, K3(BiF7):Mn4+, K3(YF7):Mn4+, K3(LaF7):Mn4+, K3(GdF7):Mn4+, K3(NbF7):Mn4+ or K3(TaF7):Mn4+.
6. The phosphor composition according to claim 4, wherein the red phosphor is K2SiF.6:Mn4+.
7. The phosphor composition according to claim 4, wherein the red phosphor is at least partially coated with a surface coating comprising a metal fluoride or a silica.
8. The phosphor composition according to claim 7, wherein the metal fluoride is selected from the group consisting of MgF2, CaF2, SrF2, BaF2, AgF, ZnF2, AlF3, and a combination thereof.
23. The phosphor composition according to claim 4, wherein the activated uranium-based phosphor is selected from the group consisting of: Ba3(PO4)2(UO2)2P2O7, BaZnUO2(PO4)2, and BaMgUO2(PO4)2.
24. The phosphor composition according to claim 4, wherein the activated uranium-based phosphor and the red phosphor have a D50 particle size from about 0.1 μm to about 15 μm.
25. The phosphor composition according to claim 4 further comprising at least one other luminescent material selected from the group consisting of: additional phosphors, phosphorescent dyes, color filter pigments, polyfluorenes, metal oxide nanoparticles, scattering particles and quantum dot material, and wherein the additional phosphors is selected from the group consisting of: [Ba,Sr,Ca]2SiO4:Eu2+, [Y,Gd,Lu, Tb]3[Al,Ga]5O12:Ce3+, β-SiAlON:Eu2+, [Sr,Ca,Ba][Ga,Al]2S4:Eu2+, [Li,Ca]α-SiAlON:Eu2+, [Ba, Sr, Ca]2Si-N.8:Eu2+, [Ca,Sr] AlSiN3: Eu2+, [Ba,Sr,Ca]LiAl3N4:Eu2+, [Sr,Ca,Mg] S:Eu2+, and combinations thereof.
26. The phosphor composition according to claim 25, wherein the quantum dot material comprises perovskite quantum dots.
9. A device comprising an LED light source radiationally and/or optically coupled to the phosphor composition according to claim 1.
10. The device according to claim 9, wherein the LED light source is a mini LED or a micro LED.
11. The device according to claim 9, wherein the LED light source emits blue light or UV light.
27. The device according to claim 9, wherein the LED light source comprises an LED chip on which the phosphor composition is deposited.
Conclusion
The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. USPN 2025/0326968, 2025/0282993, 2025/0267987, 2025/0122423.
Any inquiry concerning this communication or earlier communications from the examiner should be directed to Christopher Raabe whose telephone number is (571)272-8434. The examiner can normally be reached M-F 0530-1430.
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/CHRISTOPHER M RAABE/Primary Examiner, Art Unit 2875
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