公开(公告)号：US20250031489A1

公开(公告)日：2025-01-23

申请号：US18711620

申请日：2022-11-01

Applicant: KYOTO UNIVERSITY ,  STANLEY ELECTRIC CO., LTD.

Inventor： Susumu NODA ,  Hiroyuki KASHIWAGI ,  Shunya IDE ,  Tessei IWASAKI ,  Yasuyuki KAWAKAMI ,  Yusuke YOKOBAYASHI

IPC: H01L33/22 ,  H01L33/10 ,  H01L33/16 ,  H01L33/32

Abstract: A substrate has a moth-eye nano pattern on a surface of the substrate in which cone-shaped protrusions are periodically formed, a first semiconductor layer on the moth-eye nano pattern and having a photonic crystal layer, an active layer on the first semiconductor layer and having a light-emitting layer, and a second semiconductor layer on the active layer.