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1. (WO2018200074) PHOSPHORS WITH NARROW GREEN EMISSION

Pub. No.:    WO/2018/200074    International Application No.:    PCT/US2018/020914
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Tue Mar 06 00:59:59 CET 2018
IPC: C09K 11/08
C09K 11/64
C09K 11/77
Applicants: EIE MATERIALS, INC.
Inventors: THOMAS, Evan
BAROUDI, Kristen
GO, Yong Bok
NORDSELL, Robert
MELMAN, Jonathan
Title: PHOSPHORS WITH NARROW GREEN EMISSION
Abstract:
A luminescent composition of matter is characterized by the formula REM2+xEy, where RE may be one or more Rare Earth elements (for example, Eu or Gd), M may be one or more elements selected from the group Al, Ga, B, In, Sc, Lu, and Y; E is one or more elements selected from the group S, Se, O, and Te; x is greater than zero; and y has the value that achieves charge balance in the formula assuming that E has a charge of -2.