Invention Grant
- Patent Title: Red-emitting luminophore and light source comprising such a luminophore
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Application No.: US12596081Application Date: 2008-04-11
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Publication No.: US08398891B2Publication Date: 2013-03-19
- Inventor: Daniel Becker , Tim Fiedler , Frank Jermann , Bianca Pohl , Martin Zachau
- Applicant: Daniel Becker , Tim Fiedler , Frank Jermann , Bianca Pohl , Martin Zachau
- Applicant Address: DE Munich
- Assignee: OSRAM Gesellschaft mit beschrankter Haftung
- Current Assignee: OSRAM Gesellschaft mit beschrankter Haftung
- Current Assignee Address: DE Munich
- Agency: Cozen O'Connor
- Priority: DE102007018099 20070417
- International Application: PCT/EP2008/054389 WO 20080411
- International Announcement: WO2008/125604 WO 20081023
- Main IPC: C09K11/08
- IPC: C09K11/08 ; C09K11/54
Abstract:
A red-emitting phosphor composed of an M-Al—Si—N system, comprising a cation M, wherein M is represented by at least one of the elements Ca or Ba or Sr and, if appropriate, can additionally be combined with at least one further element from the group Mg, Zn, Cd, wherein the phosphor is activated with Eu, which partly replaces M, and wherein the phosphor additionally contains LiF.
Public/Granted literature
- US08460579B2 Red-emitting luminophore and light source comprising such a luminophore Public/Granted day:2013-06-11
Information query
