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V. V. LYSAK1, JI HYE KANG1, CHANG-HEE HONG1,*
We have investigated the effect of the embedded air prism (EAP) on enhancement of light output power of InGaN LED by the various distance ratios. The well-aligned EAP structure was uniformly formed by one step wet etching process on 2 in. sapphire substrate using specific SiO2 mask pattern. The LEDs with EAP structure significantly improved the optical power of LED by the light redirection toward front side and backside of LED. As a result, the optical powers of optimized EAP LED have been observed to be 2.16 times higher than that of the conventional LED at injection current of 20 mA..
Multiple-quantum-wells, Parameter extraction, Rate equation model, Small-signal modulation characteristics, VCSEL.
V. V. LYSAK, JI HYE KANG, CHANG-HEE HONG, Air-structured embedded mirror for enhancement of light extraction efficiency in vertical light-emitting diodes, Optoelectronics and Advanced Materials - Rapid Communications, 5, 5, May 2011, pp.481-483 (2011).
Submitted at: March 18, 2011
Accepted at: May 31, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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