Red line emitting phosphors for use in LED applications

The invention relates to ared line emitting phosphors for use in LED applications. The invention also relates to a light emitting device, comprising a semiconductor light source and a phosphor material which is connected with the light source in a radiative manner. The phosphor material comprises co...

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Bibliographische Detailangaben
Hauptverfasser:	RADKOV EMIL V, GRIGOROV LJUDMIL S, SRIVASTAVA ALOK M, SETLUR ANANT A
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	The invention relates to ared line emitting phosphors for use in LED applications. The invention also relates to a light emitting device, comprising a semiconductor light source and a phosphor material which is connected with the light source in a radiative manner. The phosphor material comprises composite fluoride phosphor which is activated by Mn4+. Light emitting devices include backlights having a light source and a phosphor material including a complex fluoride phosphor activated with Mn which may include at least one of (A) A2[MF5]:Mn; where A is selected from Li, Na, K, Rb, Cs, NH4, and combinations thereof; and where M is selected from Al, Ga, In, or combinations thereof; (B) A3[MF6]:Mn, where A is selected from Li, Na, K, Rb, Cs, NH4, and combinations thereof; and where M is selected from Al, Ga, In, or combinations thereof; (C) Zn2[MF7]:Mn, where M is selected from Al, Ga, In, or combinations thereof; and (D) A[In2F7]:Mn where A is selected from Li, Na, K, Rb, Cs, NH4, or combina