High-power white LEDs and manufacturing method thereof

Optical: systems and elements – Optical frequency converter

Reexamination Certificate

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C362S555000, C362S558000, C359S332000

Reexamination Certificate

active

08031393

ABSTRACT:
A light emitting apparatus has a radiation source for emitting short wavelength radiation. A down conversion material receives and down converts at least some of the short wavelength radiation emitted by the radiation source and back transfers a portion of the received and down converted radiation. An optic device adjacent the down conversion material at least partially surrounds the radiation source. The optic device is configured to extract at least some of the back transferred radiation. A sealant substantially seals a space between the radiation source and the optic device.

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