Invention Grant
- Patent Title: Luminescent material particles comprising a coating and lighting unit comprising such luminescent material
- Patent Title (中): 包含包含这种发光材料的涂层和照明单元的发光材料颗粒
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Application No.: US14127812Application Date: 2012-06-25
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Publication No.: US09334442B2Publication Date: 2016-05-10
- Inventor: Georg Greuel , Thomas Juestel , Jagoda Magdalena Kuc
- Applicant: Georg Greuel , Thomas Juestel , Jagoda Magdalena Kuc
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips N.V.
- Current Assignee: Koninklijke Philips N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP11171840 20110629
- International Application: PCT/IB2012/053208 WO 20120625
- International Announcement: WO2013/001444 WO 20130103
- Main IPC: C09K11/77
- IPC: C09K11/77 ; H01J61/00 ; C09K11/02 ; H01J61/44
Abstract:
The invention provides a a luminescent material comprising particles of UV-luminescent material having a coating, wherein the coating (a “multi-layer coating”) comprises a first coating layer and a second coating layer, wherein the first coating layer is between the luminescent material and the second coating layer, and wherein in a specific embodiment the second coating layer comprises an alkaline earth oxide, especially MgO. Further, the invention provides a lighting unit comprising such luminescent material.
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