Packaged white light emitting device comprising photoluminescence layered structure
AssigneeBridgelux, Inc.
InventorsJun-Gang Zhou, Gang Wang, Yi-Qun Li
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AssigneeBridgelux, Inc.
InventorsJun-Gang Zhou, Gang Wang, Yi-Qun Li
Estimating the term…
A light emitting device includes a Chip Scale Packaged (CSP) LED, the CSP LED including an LED chip that generates blue excitation light; and a photoluminescence layer that covers a light emitting face of the LED chip, wherein the photoluminescence layer comprises from 75 wt % to 100 wt % of a manganese-activated fluoride photoluminescence material of the total photoluminescence material content of the layer. The device/CSP LED can further include a further photoluminescence layer that covers the first photoluminescence and that includes a photoluminescence material that generates light with a peak emission wavelength from 500 nm to 650 nm.
A light emitting device comprising:
A light emitting device comprising:
Dependencies are inferred from the claim text.