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    PHOSPHOR CONVERTED LED

    New search for: SCHMIDT PETER JOSEF
    New search for: BECHTEL HANS-HELMUT

    The invention is directed to a light emitting comprising a blue emitting LED, a first phosphor layer exited at the emitting wavelength of the LED, which phosphor has an emission wavelength within a range of between 500 nm and 560 nm, and a second phosphor layer having a color point u′ in the range between 0.24 and 0.35 and a peak emission of the phosphor layer of λp>600 nm of the emission spectra, especially a pcLED comprising a combination of a green emitting luminescent ceramic material and a second phosphor material having a broad emission spectra. The second phosphor material can comprise a compound of the general formula M1-x-y-zSi1+zAl1−zN3−zOz:Eu2+xCe2+y, whereby M is selected from the group consisting of Ca, Sr or mixtures thereof and 0.0001≰x≰0.005; 0.001≰y≰0.05 and 0≰z≰0.25.

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    PHOSPHOR CONVERTED LED

    New search for: SCHMIDT PETER JOSEF
    New search for: BECHTEL HANS-HELMUT

    The invention is directed to a light emitting comprising a blue emitting LED, a first phosphor layer exited at the emitting wavelength of the LED, which phosphor has an emission wavelength within a range of between 500 nm and 560 nm, and a second phosphor layer having a color point u′ in the range between 0.24 and 0.35 and a peak emission of the phosphor layer of λp>600 nm of the emission spectra, especially a pcLED comprising a combination of a green emitting luminescent ceramic material and a second phosphor material having a broad emission spectra. The second phosphor material can comprise a compound of the general formula M1-x-y-zSi1+zAl1−zN3−zOz:Eu2+xCe2+y, whereby M is selected from the group consisting of Ca, Sr or mixtures thereof and 0.0001≰x≰0.005; 0.001≰y≰0.05 and 0≰z≰0.25.

    Access

    Download

    PHOSPHOR CONVERTED LED

    New search for: SCHMIDT PETER JOSEF
    New search for: BECHTEL HANS-HELMUT

    The invention is directed to a light emitting comprising a blue emitting LED, a first phosphor layer exited at the emitting wavelength of the LED, which phosphor has an emission wavelength within a range of between 500 nm and 560 nm, and a second phosphor layer having a color point u′ in the range between 0.24 and 0.35 and a peak emission of the phosphor layer of λp>600 nm of the emission spectra, especially a pcLED comprising a combination of a green emitting luminescent ceramic material and a second phosphor material having a broad emission spectra. The second phosphor material can comprise a compound of the general formula M1-x-y-zSi1+zAl1−zN3−zOz:Eu2+xCe2+y, whereby M is selected from the group consisting of Ca, Sr or mixtures thereof and 0.0001≰x≰0.005; 0.001≰y≰0.05 and 0≰z≰0.25.

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    Title:

    PHOSPHOR CONVERTED LED

    Additional title:

    PHOSPHORKONVERTIERTE LED
    DEL À CONVERSION PAR UN LUMINOPHORE

    Contributors:

    SCHMIDT PETER JOSEF (author) / BECHTEL HANS-HELMUT (author)

    Publication date:

    2015-09-16

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    English

    Classification:

    IPC:  C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / C04B Kalk , LIME / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES

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