Title:
LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT ARRAY, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/166785
Kind Code:
A1
Abstract:
[Problem] To provide a light-emitting element, a light-emitting element array, and a display device, which have high reliability and high light extraction efficiency. [Solution] A light-emitting element according to the present invention is provided with: a base material; a fluorescent body layer; a first sealing film; a second sealing film; and an excitation light source. The base material has a first main surface and a second main surface opposite to the first main surface, and a through-hole is provided between the first main surface and the second main surface. The fluorescent body layer contains a fluorescent body and is housed in the through-hole. The first sealing film has a gas barrier property, and is provided to the first main surface side of the fluorescent body layer. The second sealing film has a gas barrier property, and is provided to the second main surface side of the fluorescent body layer. The excitation light source is joined to the first main surface side of the base material, and causes excitation light to enter the fluorescent body layer.
Inventors:
TAKIGUCHI MIKIO (JP)
OOHATA TOYOHARU (JP)
KOYAMA TAKAHIRO (JP)
OOHATA TOYOHARU (JP)
KOYAMA TAKAHIRO (JP)
Application Number:
PCT/JP2021/005146
Publication Date:
August 26, 2021
Filing Date:
February 12, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
B82Y20/00; H01L33/50; F21S2/00; F21V7/26; F21V7/28; F21V9/32; F21V9/38; G02B5/20; G09F9/30; G09F9/33; H01L33/00; H01L33/60; F21Y105/10; F21Y115/10; F21Y115/15; F21Y115/30
Domestic Patent References:
| WO2018235231A1 | 2018-12-27 |
Foreign References:
| JP2007273498A | 2007-10-18 | |||
| KR20180136037A | 2018-12-24 | |||
| JP2017108129A | 2017-06-15 | |||
| JP2006515961A | 2006-06-08 | |||
| JP2006351808A | 2006-12-28 | |||
| JP2007227868A | 2007-09-06 | |||
| JP2018055885A | 2018-04-05 | |||
| JP2017523602A | 2017-08-17 |
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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