LED Grow Light Engines for Cannabis Cultivation
Commercial cannabis cultivation places some of the highest demands on horticultural LED lighting.
Compared with leafy greens, cannabis develops a taller and considerably deeper canopy and can utilize much higher photon flux densities. The lighting system must therefore provide high PPF, distribute that output uniformly across the canopy, manage heat efficiently and allow intensity to be adjusted throughout the production cycle. Frontiers
At Lumistrips, we design and manufacture LED light engines for licensed commercial cannabis and hemp cultivation, from compact modules for propagation and vegetative production to high-output linear toplighting, inter-canopy lighting and fully customized systems for large indoor farms and greenhouses.
More light for the crop. Less unnecessary hardware around it.
A Lumistrips light engine typically consists of:
LED strip or LED module + LED driver
Depending on the installation, it can also include aluminium profiles, optical lenses, cables, connectors, environmental protection and lighting controls.
Rather than enclosing every LED board, driver and connection inside an individual fixture, the light-producing components can be integrated directly into the cultivation structure.
For cannabis this provides an additional advantage: the lighting can be divided between toplighting and inter-canopy lighting, placing photons where the plant canopy can use them.
A Modular Alternative to Conventional LED Grow Light Fixtures
Most commercial cannabis grow lights are sold as complete high-power fixtures.
This is convenient, but it also means that the fixture manufacturer determines the dimensions, bar spacing, spectrum, driver configuration and light distribution.
Our modular approach works differently.
We can distribute LED light engines according to the dimensions of the cultivation bench and required canopy PPFD. Drivers and controllers can serve several compatible light engines, and secondary optics or profiles are included where they provide a technical benefit.
The result is a lighting system that can be designed around the crop and room geometry rather than around the dimensions of a standard fixture.
Why our light engine is more efficient
Compared with a conventional fixture-based installation, a properly designed LED light engine system can provide:
More PPF for Your Lighting Budget
Cannabis is a high-light crop, so photon output represents a major share of both capital and operating cost.
By investing a larger proportion of the system directly into high-performance LEDs rather than duplicated housings and electronics, a modular system can provide more installed PPF for the available lighting budget.
Easy Integration into Growing Systems
Grow lights can be installed directly beneath vertical-farming shelves, tray racks, propagation systems and modular growing structures. The lighting follows the growing geometry rather than requiring the rack to be designed around a fixed-size fixture.
More Photons Reaching the Crop
High average PPFD is useful only when it is distributed effectively.
Linear light engines can be positioned across the complete cultivation surface so that the spacing between LED sources is optimized for the actual bench width and mounting height.
This helps reduce excessive intensity directly beneath individual luminaires while improving uniformity.
Designed Around the Grower's Needs
Grow lights can be installed directly beneath vertical-farming shelves, tray racks, propagation systems and modular growing structures. The lighting follows the growing geometry rather than requiring the rack to be designed around a fixed-size fixture.
Competitive System Cost
Several light engines can be powered and controlled using appropriately sized professional drivers.
Reducing the number of individual housings, drivers and control units can lower component duplication across large cultivation rooms.
Made in Germany for Leading Reliability
We manufacture the light engine in Germany using LEDs from leading manufacturers such as Nichia, Cree LED, ams OSRAM and Lumileds. The modular architecture allows for components to be replaced separately, helping reduce lifetime maintenance and operating costs.
Lifetime you can specify, and audit
Cannabis lighting operates at substantially higher photon densities than many leafy-green applications, which makes LED drive current and thermal management particularly important.
LED lifetime cannot be evaluated from fixture wattage alone.
The operating current of each LED, PCB temperature, heatsink design and ambient conditions all affect lumen and photon maintenance over time.
Our light engines can therefore be designed by selecting:
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LED type
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Number of LEDs
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Operating current
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PCB thermal performance
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Aluminium profile or heatsink
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Target operating temperature
Where longer lifetime and higher efficacy are priorities, we can increase LED density and operate each individual LED at a lower current.
This provides a transparent trade-off between initial cost, PPF, efficacy and projected lifetime.
Ready-Made LED Light Engines
for Small Cannabis Projects
(plant areas below approximately 30 m²)
Existing Lumistrips products can be used where the required photon density and project scale allow standard configurations.
Flexible R2R white LED strips for demanding linear lighting projects. Made in Germany with Seoul or Cree White LEDs. 27 PPF/m or 35 PPF/m options at 4000K.
The narrow flexible format makes LumiFlex particularly useful for low-Inter-Canopy LED Lighting. Because interlights are positioned closer to the plant , moderate-power light engines are preferable.
Modular 30×30 mm LED modules with Nichia 757 White LEDs. 1.2 PPF/module, 30 PPF/m, up to 1400 PPF/m² at CRI95 4000K. Solder-free Plug & Play installation. Made in Germany.
The modular Plug & Play design allows LEDs to be distributed over the growing surface instead of concentrating the light.
Configurable LED Grow Light Bars for
Medium Cannabis Projects
(for plant areas up to approximately 250 m²)
Medium-size vertical farms and commercial multi-level growing rooms often require more photon output per linear metre than standard flexible LED strips can provide.
For these projects, we offer configurable MaxLine aluminium LED strips using Nichia Hortisolis horticultural white LEDs.
The aluminium PCB provides an efficient thermal path into a suitable profile or heatsink and supports higher operating power than a standard flexible PCB.
The modules are supplied in 280 mm sections and can be arranged according to the dimensions of the growing shelf.
High-brightness linear strip on aluminum PCB with 35 x Nichia Hortisolis LEDs on 28 cm. 55 PPF/m at 5000K. Constant current or 24V. Made in Germany.
High-brightness linear strip on aluminum PCB with 70 x Nichia Hortisolis LEDs on 28 cm. 110 PPF/m at 5000K. Constant current or 24V. Made in Germany.
Inter-Canopy LED Lighting
Cannabis develops a relatively deep leaf and inflorescence canopy.
Even when the upper canopy receives high PPFD, progressively fewer photons penetrate to the lower plant structure.
Linear LED strips offer another design option: deliver a portion of the total PPF from inside or beside the canopy rather than supplying all photons from overhead.
A recent commercial-scale study found that adding LED interlighting increased production in the lower canopy and reduced differences between upper and lower plant material. ScienceDirect
For these applications we can use:
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LumiFlex flexible LED strips
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LumProtect protected flexible LED strips
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Custom rigid linear modules
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Custom asymmetric optical systems
Because interlights are positioned much closer to the plant than toplights, moderate-power distributed light engines are preferable to highly concentrated sources.
Fully Custom LED Grow Light Systems for
Large Cannabis Facilities
(for large-scale projects, generally above 500 m²)
Large indoor farms, greenhouse projects and OEM cultivation systems benefit from a lighting platform designed around the complete facility rather than an individual fixture.
For these projects, we can develop fully customized linear and rectangular LED light engines for toplighting and inter-canopy illumination.
Choose the LED Technology
We work with horticultural and general-lighting LEDs from leading manufacturers, including:
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Nichia
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Cree LED
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ams OSRAM
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Lumileds
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Seoul Semiconductor
This gives us the flexibility to select LEDs according to the required spectrum, photon efficacy, output, lifetime, package size, optical compatibility and project budget.
For high-output cannabis lighting, the optimum solution is often a relatively high LED density operated at moderate current, providing efficient photon production while distributing heat and light over a larger area.
Select the Spectrum Strategy
The spectrum can be configured for the lettuce cultivar, production stage and control strategy.
Available approaches include:
Red + Blue | A narrow-spectrum approach for applications in which visual working light is not a priority and the spectral design is intentionally limited to selected red and blue wavelengths. | |
White + Red + Deep-red | A configurable solution for projects that require a broader spectrum and separate control of deep/far-red radiation. | |
White + Red + Blue | A multi-channel system providing independent control over important spectral regions while maintaining useful white light for workers and crop inspection. | |
White + Deep red | A white base combined with efficient deep-red photons. The two channels can be operated together or controlled separately, depending on the system design. | |
White | A practical solution for crop growth, visual inspection and comfortable working conditions. White light simplifies the lighting architecture while covering the visible spectrum with a single LED type. |
Choose the PCB Construction
The PCB is selected according to power density, module geometry, thermal requirements and installation method.
Flexible PCB | Manufactured using our reel-to-reel process for long, lightweight LED strips that can be cut, arranged or integrated into custom structures. | |
Aluminium PCB | Recommended for higher-power linear modules that require an efficient thermal path into an aluminium profile or heatsink. | |
Rigid FR4 PCB | Suitable for large rectangular modules, multi-row matrices and applications in which the LEDs must be distributed over a broad surface. |
Design the
physical format
The physical format of the LED light engine should follow the shape of the cultivation area.
Linear Toplight Bars
Linear LED bars allow the light-producing area to be spread across the complete cultivation bench.
Several parallel bars can be positioned according to:
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Bench width
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Canopy dimensions
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Mounting distance
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Required PPFD
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Uniformity target
The system therefore behaves as a distributed light source rather than a small number of concentrated fixtures.
Rectangular Multi-Row Modules
Large custom PCB modules can provide a broad
luminous surface above individual cultivation zones.
The dimensions and LED arrangement can be designed around the facility's standard bench module.
Inter-Canopy Bars and Strips
Slim linear modules can be positioned between plant rows or within the canopy to supplement areas that receive relatively little toplight.
Optical Control Where It Adds Value
Cannabis lighting frequently operates at high photon flux densities, making optical losses expensive.
We can integrate horticultural optics from LEDiL where lenses improve the system.
Optical control can help:
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Reduce aisle spill
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Improve edge PPFD
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Adapt the beam to bench width
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Increase uniformity
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Direct interlighting toward the canopy
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Compensate for higher mounting positions
The objective is not simply to maximize PPF.
It is to maximize the percentage of generated photons that reach useful plant surfaces.
Profiles and Thermal Management
High-output cannabis lighting converts substantial electrical power into both photons and heat.
Efficient thermal design helps maintain:
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LED efficacy
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Photon output
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Spectrum stability
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Component lifetime
We can combine aluminium PCBs with suitable profiles or project-specific heatsinks.
Because the light engine and heatsink are separate design elements, the thermal system can be sized according to the actual LED operating current and room conditions rather than being fixed by a standard fixture housing.
Protection Against Humidity and Water
Commercial cultivation rooms can expose lighting equipment to:
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High humidity
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Condensation
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Irrigation splashes
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Foliar treatments
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Cleaning procedures
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Disinfectants
The required protection should therefore be selected according to the installation.
Dry research and propagation environments may use open modules for maximum optical and thermal performance.
More demanding grow rooms can use covered aluminium profiles or protected constructions.
For flexible inter-canopy lighting, LumProtect IP67 can provide environmental protection while retaining a thin LED-strip format.
Drivers, Dimming and Lighting Control
Dimming is particularly important in cannabis facilities because a single lighting system may need to operate across different production stages and cultivars.
Available architectures can provide:
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Central dimming
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Zone control
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Independent room control
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Separate toplight and interlight control
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Multi-channel spectral control
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White/red channel control
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Optional blue or far-red channels
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Integration with cultivation control systems
Several compatible light engines can be operated from appropriately sized professional drivers, reducing the number of individual power supplies distributed throughout the grow room.
From Photon Output to
Canopy-Level Performance
PPF describes the total photosynthetic photon output of an LED strip or module. However, canabis plants respond to the PPFD arriving at the cultivation surface.
The final PPFD distribution depends on:
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Total PPF
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Illuminated area
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Number and spacing of LED strips
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Distance from the LEDs to the canopy
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LED beam distribution
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Presence of optics
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Reflective surfaces
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Edge losses
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Crop height and canopy development
For this reason, selecting a product only by watts, lumens or even total PPF is not sufficient.
A high-output LED bar can still create poor results if the bars are too far apart, while several moderate-output bars may provide better uniformity and more usable light across the complete growing surface.
Our modular system gives designers the freedom to distribute the photon output where it is needed instead of concentrating it inside a small number of conventional fixtures.
What We Need to Design Your Cannabis Lighting System
To recommend an existing product or develop a customized solution, we normally evaluate:
Project information and Why it matters
Cultivation area
Production stage
Bench dimensions
Canopy-to-light distance
Target canopy PPFD
Determines total photon requirement
Determines the required output range
Determines light-engine geometry
Influences PPFD and uniformity
Defines required delivered photon flux
Required uniformity
Indoor or greenhouse
Toplight only or interlighting
Determines bar quantity and spacing
Determines sole-source or supplemental design
Defines photon distribution strategy
Preferred spectrum
Dimming requirements
Room temperature and airflow
Humidity and cleaning
Available mounting structure
Determines LED combination
Defines driver and control architecture
Influences thermal design
Determines environmental protection
Determines profiles and mechanical integration
Based on this information, we can recommend an existing product or develop a custom light engine
matched to the project.
Build the Lighting System Around the Farm—not the Fixture
Commercial cannabis lighting is ultimately a photon-distribution problem.
A high-output fixture may generate impressive PPF, but what matters to the crop is how those photons are distributed across—and into—the canopy.
With Lumistrips, the lighting architecture can follow the cultivation system itself.
Use compact modules for propagation, distributed aluminium bars for vegetative and flowering toplighting, low-profile linear LEDs for inter-canopy illumination, or work with us to develop a completely customized lighting platform for a large commercial facility.
Tell us your cultivation area, bench dimensions, mounting height, target PPFD and whether you require toplighting, interlighting or both. We can develop the LED modules, spectrum, optics, drivers and control architecture around your project.
Contact Our Engineering Team
LUMISTRIPS
Hechingen, Germany
Kwun Tong, Hong Kong
Ramnicu Valcea, Romania
+40.729.850.710