Title:
LIGHT-EMITTING DEVICE AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/189384
Kind Code:
A1
Abstract:
A light-emitting device according to one embodiment of the present disclosure comprises: a light source unit that radiates excitation light; a supporting member that is light-transmitting and that has a first surface and a second surface which face each other; a wavelength conversion unit that includes a fluorescent body and that is composed of a plurality of three-dimensional structure parts which are provided upright to the first surface of the supporting member, and which have heights in the providing-upright direction that are equal to or greater than the widths thereof in a first surface in-plane direction; and a first light-splitting film that is disposed on a first end side of the plurality of three-dimensional structure parts which faces the first surface of the supporting member, and that reflects the light whose wavelength has been converted within the plurality of three-dimensional structure parts.
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Inventors:
MAEDA YUKI (JP)
Application Number:
PCT/JP2023/009146
Publication Date:
October 05, 2023
Filing Date:
March 09, 2023
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H01L33/50; G09F9/30; G09F9/33; H01L33/00; H01L33/48; H01L33/58; H01L33/60
Foreign References:
| JP2020122868A | 2020-08-13 | |||
| JP2012119407A | 2012-06-21 | |||
| US20070221868A1 | 2007-09-27 | |||
| JP2010040976A | 2010-02-18 | |||
| JP2022019455A | 2022-01-27 | |||
| JP2012038862A | 2012-02-23 | |||
| JP2018531517A | 2018-10-25 | |||
| US20130026911A1 | 2013-01-31 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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