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US08148887B2 Light emitting diode lamp and light emitting device 有权
发光二极管灯和发光装置

Light emitting diode lamp and light emitting device
Abstract:
A bullet type light emitting diode lamp or a chip-type light emitting diode lamp includes a semiconductor light emitting element, and a plurality of fluorescent materials that absorb part or whole of light emitted from the semiconductor light emitting element, and emit fluorescence at a wavelength different from that of the absorbed light. The fluorescent materials include a phosphor of a CaAlSiN3 crystalline phase.
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