The fabrication procedure of a moth-eye patterned sapphire substrate (MPSS), which can enhance the light extraction
efficiency of nitride-based light emitting diodes (LEDs) has been examined. The optimization of surface morphology
after the etching of the MPSS for high-quality GaN growth was also performed. Then, we fabricated MPSS samples with
a fixed pitch of 460nm, and corn height ranging from 50 to 350nm. The light extraction efficiency of blue-LEDs grown
on a series of MPSS was enhanced about 1.4 times compared with the devices grown on a flat sapphire substrate. We
found that if corn height exceeds 150nm, the MPSS effect is sufficiently observed.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.