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US 2004/0164307 A1Published application
Thin film phosphor-converted light emitting diode device
AssigneePhilips Lumileds Lighting Company, LLC
InventorsRegina B. Mueller-Mach, Gerd O. Mueller
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Abstract
A light emitting diode capable of emitting first light having a first peak wavelength is combined with a first phosphor layer overlying the light emitting diode, the first phosphor layer capable of absorbing the first light and emitting second light having a second peak wavelength and a second phosphor layer overlying the light emitting diode, the second phosphor layer capable of emitting third light having a third peak wavelength.
Claims15
A device comprising:
- a light emitting diode capable of emitting first light having a first peak wavelength;
- a first phosphor layer overlying the light emitting diode, the first phosphor layer capable of absorbing the first light and emitting second light having a second peak wavelength;
- and
- a second phosphor layer overlying the light emitting diode, the second phosphor layer capable of emitting third light having a third peak wavelength.
1 more element
Dependencies are inferred from the claim text.