The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 2007
Filed:
Jan. 04, 2005
Sung-yong Lee, Suwon-si, KR;
Sung-Yong Lee, Suwon-si, KR;
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A green phosphor for a plasma display panel has improved color purity, improved lifespan, and improved discharge stability. The green phosphor comprises a core including at least one first phosphor material selected from the group consisting of ZnSiO:Mn, (Zn,A)SiO:Mn (A is an alkaline earth metal), (Ba,Sr,Mg)O.αAlO:Mn (α is an integer in a range of 1 to 23), and MgAlO:Mn (x is an integer in the range of 1 to 10, and y is an integer in a range of 1 to 30), and a coating layer including a second phosphor which is present on the surface of the first phosphor, and which is at least one selected from the group consisting of LaMgAlO:Tb:Tb (x is an integer in the range of 1 to 14, and y is an integer in the range of 8 to 47), ReBO:Tb (Re is a rare earth element selected from the group consisting of Sc, Y, La, (Ce, and Gd), and (Y, Gd)BO:Tb.