公开(公告)号：EP3598184A1

公开(公告)日：2020-01-22

申请号：EP19186700.1

申请日：2019-07-17

申请人： Kyoto University ,  STANLEY ELECTRIC CO., LTD.

发明人： MURAI, Shunsuke ,  YOKOBAYASHI, Yusuke ,  KAWAKAMI, Yasuyuki ,  TAKASHIMA, Keijiro ,  KUBO, Syousaku ,  MAEMURA, Yosuke

IPC分类号： G02B5/00 ,  G02B1/00 ,  G02F1/29 ,  H01L33/50

摘要： A wavelength conversion device includes: a wavelength conversion element having a phosphor plate that converts the wavelength of incident light upon a light incident surface to generate wavelength-converted light, and emits the wavelength-converted light from a light emission surface; an antenna array constituted of a plurality of optical antennas that are periodically arranged on the light emission surface of the phosphor plate; and a recessed structure including at least one recessed portion provided in the light emission surface of the phosphor plate.