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Han et al., 2006 - Google Patents

Improvement of light extraction efficiency of flip-chip light-emitting diode by texturing the bottom side surface of sapphire substrate

Han et al., 2006

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Document ID
1803300759554468767
Author
Han D
Kim J
Na S
Kim S
Lee K
Kim B
Park S
Publication year
Publication venue
IEEE Photonics Technology Letters

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Snippet

A high light-extraction efficiency was demonstrated in the flip-chip light-emitting diode (FCLED) with a textured sapphire substrate. The bottom side of a sapphire substrate was patterned using a dry etching process to increase the light-extraction efficiency. Light output …
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