US 11,716,938 B2
Plant cultivation light source and plant cultivation device
Hyun Su Song, Gyeonggi-do (KR)
Assigned to SEOUL VIOSYS CO., LTD., Ansan-si (KR)
Filed by SEOUL VIOSYS CO., LTD., Gyeonggi-do (KR)
Filed on Mar. 23, 2020, as Appl. No. 16/827,084.
Claims priority of provisional application 62/894,266, filed on Aug. 30, 2019.
Claims priority of provisional application 62/823,962, filed on Mar. 26, 2019.
Prior Publication US 2020/0305353 A1, Oct. 1, 2020
Int. Cl. A01G 7/04 (2006.01); A01G 31/00 (2018.01); H05B 47/16 (2020.01); A01G 22/25 (2018.01)
CPC A01G 7/045 (2013.01) [A01G 22/25 (2018.02); A01G 31/00 (2013.01); H05B 47/16 (2020.01); A01G 2031/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A plant cultivation apparatus comprising:
a housing having a nutrient medium space for supplying a nutrient medium to an emerged seedling of a plant, wherein the emerged seedling of the plant comprises:
a seedling satisfying at least one of a first condition that the seedling is aged less than a predetermined time, or a second condition that a weight of the seedling is less than or equal to a predetermined weight;
a cultivation unit disposed above the nutrient medium space and comprising a cultivation plate on which the seedling is cultivated; and
a light source unit disposed above the cultivation plate to illuminate the seedling,
wherein the light source unit r comprises a main light source and an auxiliary light source, the main light source emitting light having at least two peak wavelengths absorbable by chlorophyll, and
wherein the main light source and the auxiliary light source emit light during a light period and do not emit light during a dark period, the light period being set to 16 hours per day and the dark period being set to 8 hours per day, and
wherein the auxiliary light source is configured to emit white light.