The Shrinking Green Gap: Trends in Solid-State Green ...
Phospor-converted LEDs The other major type of commercial green LEDs are devices that unite a blue-emitting GaN/InGaN (indium gallium nitride) LED chip with a wavelength-converting phosphor. Such devices benefit from the rapid advancements that have been made in blue LEDs, the techology of which lies at the heart of all so-called white LEDs.
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