The 79th JSAP Autumn Meeting, 2018

Presentation information

Print

Oral presentation

15 Crystal Engineering » 15.4 III-V-group nitride crystals

[19p-146-1~22] 15.4 III-V-group nitride crystals

Wed. Sep 19, 2018 1:15 PM - 7:15 PM 146 (Reception Hall)

Mark Holmes(The University of Tokyo), Jun Tatebayashi(Osaka Univ.), Tomoyuki Tanikawa(Tohoku Univ.)

3:15 PM - 3:30 PM

▲ [19p-146-8] Reflectance of Reflective Photonic Crystal on P-contact Layer of AlGaN Deep-UV LED

〇(P)Joosun Yun1, Yukio Kashima2, Hideki Hirayama1 (1.RIKEN, 2.Marubun Corporation)

Keywords:AlGaN LED, FDTD, LEE

In this study, we investigate the reflectance of reflective photonic crystal (PhC) on p-contact layer of AlGaN-based deep-UV LED. Finite-difference time-domain (FDTD) adopting constant k method was utilized for efficient calculation of periodic PhC structure. Calculated average reflectance considering dipole power distribution showed light-extraction efficiency (LEE) can increase by adopting appropriate PhC structure under p-electrode.