Title:
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE MODULE, AND PROJECTION-TYPE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/145252
Kind Code:
A1
Abstract:
A wavelength conversion element according to an embodiment of the present disclosure comprises: a phosphor layer including a plurality of phosphor particles and having one surface and the other surface that face each other; a coolant for cooling the phosphor layer; a coolant-carrying flow passage for circulating the coolant; a first porous layer that has light reflectivity and is provided on at least a portion of the other surface of the phosphor layer; and a housing which has an internal space for sealing therein the phosphor layer, the coolant, the coolant-carrying flow passage, and the first porous layer, and in which one surface of the phosphor layer is fixed to one surface of the internal space.
Inventors:
NISHI SHOTA (JP)
ASANO YOSHIRO (JP)
KATO TADASHI (JP)
ASANO YOSHIRO (JP)
KATO TADASHI (JP)
Application Number:
PCT/JP2021/000205
Publication Date:
July 22, 2021
Filing Date:
January 06, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G03B21/14; F21S2/00; F21V29/502; F21V29/51; F28D15/04; G03B21/16
Domestic Patent References:
| WO2016125611A1 | 2016-08-11 | |||
| WO2020044999A1 | 2020-03-05 |
Foreign References:
| JP2017027685A | 2017-02-02 | |||
| JP2017207673A | 2017-11-24 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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