US 11,932,791 B2
Phosphor process for producing a phosphor and optoelectronic device
Simon Peschke, Aßling (DE); and Stefan Lange, Augsburg (DE)
Assigned to OSRAM Opto Semiconductors GmbH, Regensburg (DE)
Appl. No. 17/431,438
Filed by OSRAM Opto Semiconductors GmbH, Regensburg (DE)
PCT Filed Feb. 14, 2020, PCT No. PCT/EP2020/053946
§ 371(c)(1), (2) Date Aug. 17, 2021,
PCT Pub. No. WO2020/169479, PCT Pub. Date Aug. 27, 2020.
Claims priority of application No. 10 2019 104 008.6 (DE), filed on Feb. 18, 2019.
Prior Publication US 2022/0135880 A1, May 5, 2022
Int. Cl. C09K 11/77 (2006.01); C01B 21/082 (2006.01); H01L 33/50 (2010.01); H01S 5/0225 (2021.01)
CPC C09K 11/77347 (2021.01) [C01B 21/0823 (2013.01); C09K 11/77348 (2021.01); H01L 33/502 (2013.01); H01S 5/0225 (2021.01); C01P 2002/54 (2013.01); C01P 2002/76 (2013.01); C01P 2002/77 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A phosphor having the general formula EA7A2T1t1T2t2T3t3NnOo:RE, wherein
EA is selected from the group of divalent elements,
A is selected from the group of monovalent elements,
T1 is selected from the group of trivalent elements,
T2 is selected from the group of tetravalent elements,
T3 is selected from the group of pentavalent elements,
RE is an activator element,
16+3 t1+4 t2+5 t3−3 n−2 o=0, and
t1+t2+t3=5; n+o=16; 0≤t1≤4; 0≤t2≤5; 0≤t3≤5; 0≤n≤9; 7≤o≤16.