Title:
LIGHT SOURCE UNIT FOR PLANT CULTIVATION, AND PLANT CULTIVATION DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/025481
Kind Code:
A1
Abstract:
An LED light source unit for plant cultivation according to an embodiment comprises: at least one first light emitting diode chip which emits light of 430 nm or less; and at least three types of fluorescent materials which are excited by the at least one first light emitting diode chip, wherein the three types of fluorescent materials include a first fluorescent material having a peak wavelength within a first wavelength range of 440 to 500 nm, a second fluorescent material having a peak wavelength within a second wavelength range of 500 to 600 nm, and a third fluorescent material having a peak wavelength within a third wavelength range of 600 to 650 nm. The combined light of the light emitted from the first light emitting diode chip and the at least three types of fluorescent materials appears as white light of the basic spectrum having a color temperature of 5000K or higher.
Inventors:
KO SANG MIN (KR)
KIM JIN WON (KR)
KIM JIN WON (KR)
Application Number:
PCT/KR2020/010384
Publication Date:
February 11, 2021
Filing Date:
August 06, 2020
Export Citation:
Assignee:
SEOUL VIOSYS CO LTD (KR)
International Classes:
H01L33/50; A01G7/04
Domestic Patent References:
| WO2018179105A1 | 2018-10-04 |
Foreign References:
| KR20120021415A | 2012-03-09 | |||
| US20170238390A1 | 2017-08-17 | |||
| KR20170040696A | 2017-04-13 | |||
| US20190183059A1 | 2019-06-20 |
Other References:
See also references of EP 4009386A4
Attorney, Agent or Firm:
AIP PATENT & LAW FIRM (KR)
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