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AssigneeIntematix Corporation
InventorsGang Wang, Yi-Qun Li
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A exemplary light emitting device includes an excitation source operable to generate excitation light with a dominant wavelength in a range 450 nm to 470 nm; a red photoluminescence material which generates light with a peak emission wavelength in a range 600 nm to 620 nm with a full width at half maximum emission intensity greater than 70 nm and less than 80 nm; a yellow to green photoluminescence material which generates light with a peak emission wavelength in a range 530 nm to 550 nm; and a narrow-band red photoluminescence material which generates light with a peak emission wavelength in a range 625 nm to 635 nm with a full width at half maximum emission intensity greater than about 5 nm and less than about 25 nm.
A light emitting device that emits white light with a color temperature from 2700K to 5000K and a CRI Ra of at least 90, comprising:
A light emitting device that emits white light with a color temperature from 2700K to 5000K and a CRI Ra of at least 90, comprising:
Dependencies are inferred from the claim text.