Title:
WAVELENGTH CONVERSION DEVICE AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/248865
Kind Code:
A1
Abstract:
The present invention has a flat plate-shaped phosphor part that includes a phosphor that is excited by excitation light to emit fluorescence, a first nanoantenna group comprising a plurality of metal first nanoantennas that are provided on a lower surface side of the phosphor part and are each arranged at a first period, a translucent body comprising a translucent material that is embedded between each of adjacent first nanoantennas and is formed on the lower surface of the phosphor part so as to cover the lower surface of the phosphor part, and a second nanoantenna group comprising a plurality of metal second nanoantennas that are provided on an upper surface of the phosphor part and are each arranged at a second period on the upper surface of the phosphor part.
Inventors:
KAMAKURA RYOSUKE (JP)
KAWAKAMI YASUYUKI (JP)
MAEMURA YOSUKE (JP)
TAKASHIMA KEIJIRO (JP)
MURAI SHUNSUKE (JP)
KAWAKAMI YASUYUKI (JP)
MAEMURA YOSUKE (JP)
TAKASHIMA KEIJIRO (JP)
MURAI SHUNSUKE (JP)
Application Number:
PCT/JP2023/021863
Publication Date:
December 28, 2023
Filing Date:
June 13, 2023
Export Citation:
Assignee:
STANLEY ELECTRIC CO LTD (JP)
UNIV KYOTO (JP)
UNIV KYOTO (JP)
International Classes:
G02B5/20; F21V9/32; H01L33/50; F21Y115/30
Foreign References:
| JP2019519895A | 2019-07-11 | |||
| JP2016535304A | 2016-11-10 |
Attorney, Agent or Firm:
LEXT, P.C. (JP)
Download PDF: