Sundiode and Soft-EPI successfully grew a monolithic all-InGaN stacked-RGB LED structure [Jan. 2023]

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      2023-02-01
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Stacked-RGB microLED microdisplay developed Sundiode announced that it has achieved the successful growth of a monolithic, all-InGaN RGB LED structure on a single sapphire wafer. This structure was developed in collaboration with Soft-EPI.

Sundiode's epitaxial technology enables stacked-RGB LEDs with multiple junctions, capable of emitting RGB colors independently. This structure makes it easier to produce ultra-high density microdisplays.

Sundiode says that due to the quick-check method employed for on-wafer test, the monolithic RGB LED structure is operated as a cascade multi-junction LED, and the resulting emission confirms the cascade-LED operation.

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