Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2008-04-15
2008-04-15
Gaharay, Kanabi (Department: 2879)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C252S30140R, C252S30160R
Reexamination Certificate
active
07358668
ABSTRACT:
A green phosphor for a Plasma Display Panel (PDP) includes a phosphor material selected from the group consisting of Zn2SiO4:Mn, (Zn,A)2SiO4:Mn (A is an alkaline earth metal), (Ba,Sr,Mg)O.aAl2O3:Mn (a is an integer in the range of 1 to 23), MgAlxOy:Mn (x is an integer in the range of 1 to 10, and y is an integer in the range of 1 to 30), LaMgAlxOy:Tb (x is an integer in the range of 1 to 14, and y is an integer in the range of 8 to 47), and ReBO3:Tb (Re is a rare earth element selected from the group consisting of Sc, Y, La, Ce, and Gd); and an oxide material coated on the surface of the phosphor material and including La2O3and SiO2, wherein the La2O3is present in an amount of less than 2500 ppm on the basis of the total amount of the phosphor material.
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“Final Draft International Standard”, Project No. 47C/61988-1/Ed.1; Plasma Display Panels—Part 1: Terminology and letter symbols, published by International Electrotechnical Commission, IEC. in 2003, and Appendix A—Description of Technology, Annex B—Relationship Between Voltage Terms And Discharge Characteristics; Annex C—Gaps and Annex D—Manufacturing.
Bushnell , Esq. Robert E.
Gaharay Kanabi
Quarterman Kevin
Samsung SDI & Co., Ltd.
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