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Title:
SEMICONDUCTOR LIGHT-EMITTING DEVICE FOR PLANT GROWTH, LIGHTING METHOD, AND DESIGN METHOD
Document Type and Number:
WIPO Patent Application WO/2020/230742
Kind Code:
A1
Abstract:
Provided is a novel semiconductor light-emitting device for plant growth which is capable of both achieving efficient plant growth and presenting a color by which to ascertain a degree of plant growth. The semiconductor light-emitting device for plant growth at least includes a blue semiconductor light-emitting element, a green phosphor, and a red phosphor, and is configured such that light emitted from the semiconductor light-emitting device satisfies -0.050 ≤ Duv ≤ -0.030 and the spectrum thereof has a predetermined shape.

Inventors:
NAKAZAWA YOSHIHIDE (JP)
Application Number:
PCT/JP2020/018736
Publication Date:
November 19, 2020
Filing Date:
May 08, 2020
Export Citation:
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Assignee:
CITIZEN ELECTRONICS (JP)
International Classes:
A01G7/00; F21S2/00; F21V9/38; H01L33/50; F21Y115/10
Domestic Patent References:
WO2017126681A12017-07-27
Foreign References:
JP2015163053A2015-09-10
JP2016111190A2016-06-20
JP2016202072A2016-12-08
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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