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:
Feb. 03, 2015
Filed:
Jul. 15, 2011
Chung Hoon Lee, Ansan-si, KR;
Walter Tews, Greifswald, DE;
Gundula Roth, Levenhagen, DE;
Detlef Starick, Greifswald, DE;
Chung Hoon Lee, Ansan-si, KR;
Walter Tews, Greifswald, DE;
Gundula Roth, Levenhagen, DE;
Detlef Starick, Greifswald, DE;
Seoul Semiconductor Co., Ltd., Ansan-si, KR;
Litec-LP GmbH, Greifswald, DE;
Abstract
A surface-modified silicate luminophore includes a silicate luminophore and a coating includes at least one of (a) a fluorinated coating including a fluorinated inorganic agent, a fluorinated organic agent, or a combination of fluorinated inorganic and organic agents, the fluorinated coating generating hydrophobic surface sites and (b) a combination of the fluorinated coating and at least one moisture barrier layer. The moisture barrier layer includes MgO, AlO, YO, LaO, GdO, LuO, and SiOor the corresponding precursors, and the coating is disposed on the surface of the silicate luminophore.