TY - RPRT TI - Semiconductor light-emitting devices having concave microstructures providing improved light extraction efficiency and method for producing same AU - Tansu, Nelson AU - Gilchrist, James F AU - Ee, Yik-Khoon AU - Kumnorkaew, Pisist PY - 2013 UR - https://www.osti.gov/biblio/1108717 ID - 1108717 ER -