公开(公告)号：US20180050923A1

公开(公告)日：2018-02-22

申请号：US15241758

申请日：2016-08-19

Applicant: GENERAL ELECTRIC COMPANY

Inventor： William Winder BEERS ,  James E. MURPHY ,  John Matthew ROOT

IPC: C01G45/06 ,  C01G45/00 ,  C09K11/61

CPC classification number: C01G45/06 ,  C01G45/006 ,  C01P2006/80 ,  C09K11/616

Abstract: A potassium hexafluoromanganate (K2MnF6) composition includes no more than six parts per million of each of one or more Group 13 elements, no more than 520 parts per million of one or more alkaline earth metals, no more than fourteen parts per million of one or more transition metals, and/or no more than forty parts per million of calcium. A method for providing this composition, as well as lighting apparatuses, backlight units, and electronic devices including phosphors formed from the composition also are provided.