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Pic: Horticulture LED
Introduction
Horticultural lighting (LEDs) enables an unique method of growing fruits, vegetables, flowers or other agricultural species in a controlled environment in urban regions
Behavior of plants towards light is different than that of human beings. Plants absorb light & need photons for photosynthesis. The intensity & ratio of light wavelengths impact how fast plants develop and yield crops.
The most important factor in horticulture LED is photosynthetically active radiation (PAR), which is expressed in Photosynthetic Photon Flux Density (PPFD). More PPFD means more photons & hence more efficient photosynthesis.
Standard LED lights only emit Illuination, however horticulture LEDs emit a wider range of blue & red light that supports vegetative growth & flowering. Researchers have found that blue & red light is best for the photosynthetic process.
Influence of LEDs on plant growth
Plants require the appropriate light source for each growth cycle.
LEDs provide tweaked wavelengths for optimum chlorophyll production.
LED lighting systems can be tuned to produce optimal photosynthetic photon flux density (PPFD).
The total indoor growing environment is helped by cooler physical operating temperatures.
LED lighting promotes vegetative growth & better crop yields.
Controls the photoperiod of flowering and regulates the plant growth cycle
LED lighting generate high-quality light for more than 50,000 hours
Top Companies Involved
Top Startups Involved
Latest Tech - Products
Company
Product Detail
Product
The Samsung horticulture module gen2 makes use of the special plant-centric spectrum by pumping the best 437 nm wavelength for plant growth. It has a good luminance efficiency of 178 lm/W.
Philips light offers all of the lighting factors that influence plant development. Vertical and horizontal light distribution are maximized with GreenPower LED toplighting linear. It is 178 lm/W luminance efficient.
Photophyll Select LED is the industry's first phosphor-converted LED colour with blue and green spectral output optimized for horticulture applications. It delivers Performance up to 3.25 PPF/W.
Grow LED lights are energy-efficient and offer plants the best possible environment for indoor gardening. It has a high PPF output of up to 16 micromoles per second
NutriLED offers solid-state LED lighting, which provides fine-tuned light that optimizes growth rate. The innovative optical design of NutriLED provides regulated illumination a functional 60° beam spread yielding better crops.
A powerful LED fixture Monarch has an extremely high light output, which can reach up to 4020 mol/s. The Monarch is actively cooled by water, which absorbs heat from the growing area for better growth.
The Pro 325 system is designed for use in industrial greenhouses. The light provided by the Pro 325 system is beneficial to plants, saving 70% of the energy that was used by the 1000-Watt HID lamps.
The Fluence RAPTR Series is available in six PhysioSpecTM spectrums to assist maximise efficiency across a wide range of crops. It offers 1020W of maximum output and efficacy up to 3.7 μmol/J.
The HORTILED® Top intense is a high light output LED lighting. It offers 1050 of maximum output and efficacy up to 3.5 μmol/J.
The PowerHarvest LED from lllumitex is specifically designed & tested for indoor farming operations. It can produce power up to 585W & a high PPF yield of up to 1000 μmol/s.
Pic: PowerHarvestâ„¢LED
The ELIXIA LED is specifically designed & tested for indoor farming operations. ELIXIA allows you to apply crop-specific lighting strategies. It consumes 46% less than HPS lighting & offers 90% more yield.
The ZENITH horticulture lighting system is the first to include a camera for remote crop monitoring. It also has sensors built in to monitor growth of the plants. ZENITH has a high efficacy up to 3.34mol/J.
The toplight TAURUS 600 is perfect for low-height greenhouses and crops with moderate light requirements. It has a high PPF yield of up to 800 μmol/s. and can produce power up to 300W.
Notable Patents

Title: Stabilized fluoride phosphor for light emitting
diode (LED) applications

US20220093830A1

Assignee: Cree LED Inc

The present invention refers to a Light-altering material
arrangements for LEDs. This light-altering material arrangement is capable of changing between different emission characteristics that target various growth
conditions of different crops.

Title: Light emitting device
and light apparatus for plant
growth


US20220354062A1
Assignee: Samsung Electronics Co Ltd

The present invention relates to a light emitting device (LED) for plant growth. The LED delivers a a peak wavelength of 500 nm to 610 nm and photosynthetic
photon efficacy (PPE) up to 3.10 μmol/J or more.

Title: Photoperiod
manipulation


WO2021211276A1

Assignee: Fluence
Bioengineering, Inc.

The present invention relates to a photoperiod
controller device. This device consists an UI where user provides input and generate control signals that adjust
light output of LED to implement the photoperiod
schedule.

Title: Light intensity control in an enclosed cultivation
space

WO2022218929A1

Assignee: Heliospectra

The present invention relates to managing light intensity for a space utilized for cultivating plants or crops, and
includes a system for regulating light output from an artificial light source to increase crop yield.

Title: Horticultural light

US20180014374A1

Assignee: Hubbell
Lighting Inc

The present invention relates to a system of
horticulture lights and a system for regulating light
output to optimize various plant varieties at various
stages of plant growth cycles.

Title: Plant growth lighting
device and method


US9854749B2

Assignee: Illumitex Inc

The present invention relates to LED lighting that can be used for numerous purposes related to plant
growth. More specifically, the use of LEDs designed to generate light at specific wavelengths to enhance plant growth.

Title: Lighting device and
lighting system for stimulating
plant growth


US7982378B2

Assignee: Oreon Holding
Bv

The current invention is for a lighting device (LED) that includes one solid state light source that emits light within a predetermined wavelength range to enhance the plant or crop growth

Title: Lighting system and
sensor array for growing
plants


US10512221B2

Assignee: Lumigrow Inc

The present invention relates to lighting system that includes an LED array with a light intensity, colour spectra which is controlled by respective sensors against the set target parameters to enhance the plant
or crop growth.

Title: A LED luminaire for
illuminating plants from
above in a greenhouse, & a
lighting device


NL2016139A

Assignee: Hortilux
Schréder B V

The present invention relates to an LED lighting system for plants that will simulate daylight while illuminating the plants and providing enough light to enhance plant or crop growth.

Title: Dynamic user interface

US20220095440A1

Assignee: Signify Holding
BV

The present invention relates to an UI for lighting
systems that allows users to adjust LED-generated
lighting properties. Specifically, a UI to control the light produced by a lighting system that offers a dynamic min-max range of possible lighting property values.

Title: Fluid-cooled ledbased
lighting methods &
apparatus for controlled
environment agriculture

AU2022202952A1

Assignee: Agnetix Inc

The present invention relates to a fluid-cooled LEDbased lighting fixture for horticultural farming to
enhance energy efficiency, recycle waste heat, and
support the functioning of environmental sensors in a
regulated agricultural environment.

Key Takeaways
LEDs for horticulture have the ability to emit the perfect colour spectrums to provide the precise photonic nutrients that plants need to grow fast and abundantly.
The generation of chlorophyll, operational temperatures, photoperiod control, and long LED illumination hours were observed as some of the crucial growth-stimulating factors for crops or plants.
Assignees like Samsung, Philips lighting, GE lighting, Fluence Bio- Engineering, Cree Inc, Hubbell lighting, Lumigrow, Hortilux Schreder and start-ups like Sollum Technologies, UG urban-gro, Heliospectra, Agnetix, G2V & Red Horticulture are seen to be active in the domain.
Innovations are mainly focused on developing LEDs emitting crop-based wavelengths, devices to control & manipulate photoperiod, LEDs with better light intensity, LED cooling methods and so on.

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