Processes For Preparing Color Stable Manganese Doped Phosphors

Abstract: +4xy+44yLow HF or HF free processes for improving color stability of a Mn doped phosphor of formula (I) include contacting the phosphor of formula (I) with a solution that contains hexafluorosilicic acid and isolating a treated phosphor of formula (I) having improved color stability relative to an untreated phosphor of formula (I): A [MF]:Mn wherein A is Li Na K Rb Cs R or a combination thereof; M is Si Ge Sn Ti Zr Al Ga In Sc Y La Nb Ta Bi Gd or a combination thereof; R is H lower alkyl or a combination thereof; x is the absolute value of the charge of the [MF] ion; and y is 5 6 or 7.

Patent Information

Application #

Filing Date

28 February 2016

Publication Number

36/2016

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

GENERAL ELECTRIC COMPANY

1 River Road Schenectady NY 12345

Inventors

1. MURPHY James Edward

General Electric Company Global Research One Research Circle Bldg. K1 3A59 Niskayuna NY 12309

Specification

SOFT COPY ATTACHED IN PDF

Documents

Application Documents

#	Name	Date
1	Priority Document [28-02-2016(online)].pdf	2016-02-28
2	Power of Attorney [28-02-2016(online)].pdf	2016-02-28
3	Form 5 [28-02-2016(online)].pdf	2016-02-28
4	Form 3 [28-02-2016(online)].pdf	2016-02-28
5	Drawing [28-02-2016(online)].pdf	2016-02-28
6	Description(Complete) [28-02-2016(online)].pdf	2016-02-28
7	201647006864.pdf	2016-06-10
8	201647006864-Power of Attorney-050716.pdf	2016-07-28
9	201647006864-Notarized Assignment-050716.pdf	2016-07-28
10	201647006864-Correspondence-Notarized Assignment-Pa-050716.pdf	2016-07-28
11	201647006864-FORM 18 [28-07-2017(online)].pdf	2017-07-28
12	201647006864-FER.pdf	2019-01-15
13	201647006864-AbandonedLetter.pdf	2019-07-17

Search Strategy

1	search_08-01-2019.pdf