Improvement of light extraction efficiency of GaN-based flip-chip LEDs by a double-sided spherical cap-shaped patterned sapphire substrate
2013 ◽
Vol 52
(9R)
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pp. 092101
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2017 ◽
2012 ◽
Vol 44
(7)
◽
pp. 2302-2305
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2012 ◽
Vol 15
(3)
◽
pp. H72
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2020 ◽
Vol 12
(5)
◽
pp. 647-651
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2010 ◽
Vol 247
(7)
◽
pp. 1757-1760
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2014 ◽
Vol 2014
(0)
◽
pp. _S1660104--_S1660104-
2011 ◽
Vol 32
(4)
◽
pp. 527-529
◽