Light source module for plant cultivation and light irradiation device including the same

Patent metadata

Field	Value
Publication number	US-12203605-B2
Application number	US-202418419204-A
Country	US
Kind code	B2
Filing date	Jan 22, 2024
Priority date	Mar 10, 2020
Publication date	Jan 21, 2025
Grant date	Jan 21, 2025

Abstract

Disclosed herein are a light source module for plant cultivation and a light device including the same. The light source module for plant cultivation may include at least one main light source emitting white light. The white light from the main light source is provided to a plant during cultivation to improve the growth and phytochemical content of the plant. In addition, the white light may have peak wavelengths of 430 nm or less, 440 nm to 460 nm, 510 nm to 530 nm, and 600 nm to 630 nm.

First claim

What is claimed is:

1. A light device comprising:
a main light source module, the main light source module including:
a substrate;
a first light emitter disposed on the substrate and configured to emit a first light having a first optical spectrum including a peak wavelength in a red color range;
a second light emitter disposed on the substrate and configured to emit a second light having a second optical spectrum including a plurality of peak wavelengths; and
a third light emitter disposed on the substrate and configured to emit a third light having a third optical spectrum including one or more peak wavelengths,

wherein the first optical spectrum is different from the third optical spectrum, and the second optical spectrum is different from the third optical spectrum,
wherein the peak wavelength of the first optical spectrum is different from at least one of the one or more peak wavelengths of the third optical spectrum,
wherein an intensity of the at least one of the one or more peak wavelengths of the third optical spectrum is greater than an intensity of a peak wavelength of the first optical spectrum in a same color range, and
wherein the main light source module is configured to emit white light by mixing the first light, the second light, and the third light.

2. The light device of claim 1 , wherein an intensity of a peak wavelength in a range from 410 nm to 460 nm of the second optical spectrum is different from an intensity of a peak wavelength in the range from 410 nm to 460 nm of the third optical spectrum.

3. The light device of claim 2 , wherein the intensity of the peak wavelength in the range from 410 nm to 460 nm of the second optical spectrum is less than the intensity of the peak wavelength in the range from 410 nm to 460 nm of the third optical spectrum.

4. The light device of claim 1 , wherein an intensity of the peak wavelength of the first optical spectrum is different from an intensity of a peak wavelength of the one or more peak wavelengths of the third optical spectrum in a same color range.

5. The light device of claim 4 , wherein the intensity of the peak wavelength of the first optical spectrum is greater than the intensity of the peak wavelength of the one or more peak wavelengths of the third optical spectrum in the same color range.

6. The light device of claim 1 , wherein the main light source module further includes an auxiliary emitter.

7. The light device of claim 6 , wherein an irradiance of the auxiliary emitter is different from an irradiance of the third light emitter.

8. The light device of claim 1 , wherein an intensity in a range from 600 nm to 670 nm of the first optical spectrum is greater than an intensity in a range from 600 nm to 670 nm of the third optical spectrum.

9. A light device comprising:
a first light source including a first substrate and a first light emitter disposed on the first substrate;
a second light source including a second substrate and a second light emitter disposed on the second substrate; and
a third light source including a third substrate and a third light emitter disposed on the third substrate,
wherein the first light emitter includes a first wavelength converter configured to reproduce a first light having a first optical spectrum,
wherein the second light emitter includes a second wavelength converter configured to reproduce a second light having a second optical spectrum,
wherein the third light emitter is configured to emit a third light having a third optical spectrum,
wherein the third optical spectrum includes one or more peak wavelengths,
wherein a peak wavelength of the second optical spectrum is different from a peak wavelength of the one or more peak wavelengths of the third optical spectrum, and
wherein an intensity in a range from 410 nm to 460 nm of the second optical spectrum is different from an intensity in the range from 410 nm to 460 nm of the third optical spectrum.

10. The light device of claim 9 , wherein the intensity in the range from 410 nm to 460 nm of the first optical spectrum is less than the intensity in the range from 410 nm to 460 nm of the second optical spectrum.

11. The light device of claim 9 , wherein an intensity of a peak wavelength of a first optical spectrum is different from an intensity of a peak wavelength of the one or more peak wavelengths of the third optical spectrum in a same color range.

12. The light device of claim 11 , wherein the intensity of the peak wavelength of the first optical spectrum is greater than the intensity of the peak wavelength of the one or more peak wavelengths of the third optical spectrum in the same color range.

13. The light device of claim 9 , wherein an intensity in a range from 600 nm to 670 nm of the first optical spectrum is different from an intensity in the range from 600 nm to 670 nm of the third optical spectrum.

14. The light device of claim 13 , wherein the intensity in the range from 600 nm to 670 nm of the first optical spectrum is greater than the intensity in the range from 600 nm to 670 nm of the third optical spectrum.

15. A light device comprising:
a substrate;
a first light emitter disposed on the substrate and configured to emit a first light including a first optical spectrum;
a second light emitter disposed on the substrate and configured to emit a second light including a second optical spectrum; and
a third light emitter disposed on the substrate and configured to emit a third light including a third optical spectrum,
wherein the third optical spectrum includes one or more peak wavelengths,
wherein a total number of peak wavelengths in the first optical spectrum is different from a total number of the one or more peak wavelengths in the third optical spectrum,
wherein a peak wavelength of the second optical spectrum is different from a peak wavelength of the third optical spectrum, and
wherein an intensity in a range from 600 nm to 670 nm of the first optical spectrum is different from an intensity in the range from 600 nm to 670 nm of the third optical spectrum.

16. The light device of claim 15 , wherein an intensity in a range from 410 nm to 460 nm of the second optical spectrum is different from an intensity in the range from 410 nm to 460 nm of the third optical spectrum.

17. The light device of claim 16 , wherein the intensity in the range from 410 nm to 460 nm of the second optical spectrum is greater than the intensity in the range from 410 nm to 460 nm of the third optical spectrum.

18. The light device of claim 15 , wherein the intensity in the range from 600 nm to 670 nm of the first optical spectrum is less than the intensity in the range from 600 nm to 670 nm of the third optical spectrum.

19. The light device of claim 15 , wherein an intensity of the peak wavelength of the second optical spectrum is different from an intensity of a peak wavelength of the one or more peak wavelengths of the third optical spectrum in a same color range.

20. The light device of claim 19 , wherein the intensity of the peak wavelength of the second optical spectrum is greater than the intensity of the peak wavelength of the one or more peak wavelengths of the third optical spectrum in the same color range.

Assignees

• Seoul Viosys Co Ltd

Inventors

• Ko Sang Min

Classifications

• A01G7/045 Primary

  with electric lighting · CPC title

• F21K9/62

  using mixing chambers, e.g. housings with reflective walls · CPC title

• F21Y2115/10

  Light-emitting diodes [LED] · CPC title

• Y02P60/14

  Measures for saving energy, e.g. in green houses · CPC title

• F21V9/40

  with provision for controlling spectral properties, e.g. colour, or intensity · CPC title