Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/192681
Kind Code:
A1
Abstract:
Provided is a light-emitting device that has a high light flux. This light-emitting device comprises a light-emitting element that has a dominant wavelength in the range of 380 to 485 nm, and a fluorescent layer 31 that includes a fluorophore which emits light by being excited by light emitted from the light-emitting element 11, and a neodymium compound, the light-emitting device emitting light having a dominant wavelength in the range of 584 to 780 nm.
Inventors:
IWASA MAKIKO (JP)
SATO YUJI (JP)
SATO YUJI (JP)
Application Number:
PCT/JP2021/004900
Publication Date:
September 30, 2021
Filing Date:
February 10, 2021
Export Citation:
Assignee:
NICHIA CORP (JP)
International Classes:
H01L33/50; C09K11/59; C09K11/64
Foreign References:
JP2019133794A | 2019-08-08 | |||
JPS57136743A | 1982-08-23 | |||
JP2019501526A | 2019-01-17 | |||
JP2017069392A | 2017-04-06 | |||
JP2015088483A | 2015-05-07 | |||
US20160064624A1 | 2016-03-03 |
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
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