LED Diffusers


Upgrade your lighting solutions with our wide range of profile LED strip diffusers for a better, smoother lighting effect. By adding one of our high-quality LED diffuser sheets, you can reduce the harshness of the light, allowing for more even lighting distributed throughout the room.

When you browse our plastic LED channel diffusers range, you’ll come across a diverse range of options to select from, including polycarbonate diffusers, acrylic LED sheets, flat surface diffusers made of both rounded and square polycarbonate, and plastic diffusers.

Made from sturdy and resistant polycarbonate, our white opal profile diffusers come in a variety of sizes to suit your needs. Choose from rounded or square versions depending on your aesthetic and functional requirements, these LED Strip Light diffusers can be paired with aluminium profile channels and allow for optimum diffusion of light.

Smart Lighting offers a range of LED light diffusers with various levels of transparency, illumination angles, and shapes. Our collection includes flat plastic diffuser sheets that create a sleek, contemporary appearance and distribute light evenly, rather than creating individual spots. These diffusers are compatible with most LED-coloured lighting systems.

We use only high-quality, durable acrylic materials at Smart Lighting. These materials retain their colour over time and provide adequate transparency, ensuring that the room is illuminated without being overly bright or harsh. Our diffusers are suitable for use in ceiling lighting tiles for homes or offices, signage systems, graphic displays, and most light fittings.

What is an LED diffuser?

LED diffusers even out the spread of LED lighting. They are particularly used with LED lighting strips where the LEDs without diffusion appear as individual lights. By adding a suitable diffuser the strip emits a continuous and even glow – perfect for accenting a feature or creating more interesting ambient light.

Should I use a diffuser for LED lights? What are the benefits of using LED diffusers?

Any lighting feature or installation that uses LED strips will benefit from adding a diffuser. Our LED strips fit neatly into any one of multiple-sized aluminium channels designed to be recessed into floors or ceilings, along corners and edges or surface mounted. Flat, convex or square diffusers fit across the top of the aluminium channels, diffusing the light emitted by the LED strips.

What types of LED diffusers are available on our website?

Diffusers are made from plastic, polycarbonate, or silicone, depending on the degree of diffusion required and the flexibility you need in the material to install them. Diffuser sheets and strips are flat, square, or convex depending on the size and type of aluminium channel you plan to use them with.

What lighting systems are compatible with our LED diffusers?

We have diffusers and aluminium channels that work with all sizes of our LED strips. Choose 120° beam angle LEDs in any colour from cool to warm white to controllable RGB for the most efficient use of our diffusers and channels. We even have bendable diffusers and channels for you to create unique shapes and lighting designs.

How do I install an LED diffuser?

Plastic, polycarbonate or silicone diffusers slide or can be bent gently (in the case of silicone) into a suitable aluminium channel. Channels are then recessed or surface mounted wherever your room needs strip illumination to brighten a dark edge or illuminate under an overhang. Diffusers and channels are priced per meter.

Can I cut LED diffusers to fit my lighting fixtures?

Yes, diffusers of all types can easily be cut to match the length of the channel you use in your lighting project. Angled connecting brackets tie channels and diffusers together and end caps create a neat and tidy finish to any exposed channel terminals.

Can I get assistance with selecting the right LED diffuser for my lighting project?

Our experienced staff are always available to offer help and advice and can be contacted by phone or email here. We can help with choosing the right diffuser, aluminium channel and LED strip combination, as well as the controllers etc that your installation may need.

Are there any warranties offered on LED diffusers purchased from Smart Lighting Industries?

We offer free standard delivery for orders over £50 in 2-4 working days. For next-day deliveries, orders must be placed from Monday to Friday before 3:00 pm (GMT). They will be dispatched by the courier that same day and delivered the next working day. Diffusers do not come with a warranty but if necessary they can be returned. Diffusers must be in the original package, without visible damage, in good condition and postage must be paid by the customer. Please fill out our returns form which can be downloaded here.

How do you diffuse LED light strips?

Use any of our specially designed diffusers by installing your LED lighting strips in one of our aluminium channels. Your choice of channel and diffuser will depend on the position of the LED strip in your room (floor, ceiling, recessed, etc) and the degree of diffusion you require.

Showing 1–24 of 25 results

Show sidebar
Show All
Flat Plastic Diffuser Opal Transparent 32mm
Close

Flat Plastic Diffuser Opal Transparent 32mm

£4.57 inc. VAT
In Stock
High Camber Square Plastic Diffuser Opal 40mm
Close
New
Plastic Diffuser Round
Close

Plastic Diffuser Round

£14.20 inc. VAT
In Stock
Round Surface Poly-carbon LED Diffuser 13.0x8.3mm
Close
Square Flat Mounting Polycarbon LED Profile Opal 13 mm
Close
Straight Plastic Diffuser
Close

Straight Plastic Diffuser

£2.78 inc. VAT
In Stock
Flat Plastic Diffuser Opal Transparent 97mm
Close

Flat Plastic Diffuser Opal Transparent 97mm

£14.03 inc. VAT
In Stock
Flat LED Profile Diffuser Polycarbonate Opal Sandy 47mm
Close
High Camber Square Plastic Diffuser Opal 40mm
Close

High Camber Square Plastic Diffuser Opal 40mm

£10.77 inc. VAT
In Stock
Flat Polycarbon LED Profile Opal 11.4mm
Close

Flat Polycarbon LED Profile Opal 11.4mm

£1.79 inc. VAT
In Stock
Flat Surface Polycarbon Diffuser Sandy Opal 64.5mm
Close

Flat Surface Polycarbon Diffuser Sandy Opal 64.5mm

£21.59 inc. VAT
In Stock