White LED Backlight Sheets
17 productsWhite LED light sheets are the most fundamental backlighting solution. If your requirement is simply to illuminate your stone countertops, diffusion materials, or advertising light boxes, select a white LED sheet with a suitable color temperature, panel size, and LED quantity here.
SuperLightingLED™ offers dimmable white light panels ranging from 1800K amber white to 10000K cool blue sun white. Widely applicable for backlighting onyx countertops, crystal quartz countertops, granite countertops, roofing illumination, and more.

Which White LED Back Lighting Sheet Is Right For You?
If you are unsure where to start, follow the quick selection tips below.
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Large surfaces with continuous backlighting coverage and reduced wiring within a 25.5-square-foot area? → Choose our rollable LED sheet or lens type
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Small accents? → Choose our 12W 10x10 LED sheeting
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Not sure? → Start with our "safe choice" 28W 22x11 LED lighting sheets
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Need extra brightness? → Choose our 40–45W 24x12 LED sheet lighting
You can read: How to Build a Custom LED Sheet Backlighting System from Scratch?
DC24V 10W 365nm UV LED Black Light Sheet Flex 245*245mm
24V Custom Large LED Sheet 32.8ft - White Backlit Countertop Lights DIY Size
DC24V Super Large Trim-to-Size Backlit Single White Flexible LED Sheet
24V Lensed Cuttable Flexible LED Light Sheet For Backlighting
24V 250mm*250mm White Cuttable Flexible LED Sheeting Light
1800K-2200K Ultra Warm Cozy Bar Cut-to-Fit LED Backlight Panel
24V 490mm*245mm White Ultra Slim Flexible LED Lighting Sheet 22X11
3000K Warm White Flexible LED Sheets for Countertops Backlighting 22X11
4000K Natural White Flexible Trimmable LED Backlighting Sheet
6000K Daylight White Dimmable Cuttable Thin Flex LED Lighting Sheets
40W High Power 24V SMD2835 White LED Back Lighting Sheet Flexible
CRI 90 Excellent Color Quality Flexible White LED Sheet Light 45W
Large 24x12 Flexible White LED Backlight Panel 24V 30W
24V 2835 Dimmable White Flexible LED Lights Sheets for Backlighting
SuperlightingLED UL-Listed Flexible LED Backlit Panel - Various Colors
20in*9in Flexible LED Light Sheet 24VDC
Plastic Clear PC Support Pillars For Backlit LED Sheet Installation
What Makes White LED Backlight Sheets the Go-To for Uniform Illumination?
White LED backlight sheets are designed to create a completely uniform, hotspot-free plane of light, which is essential for backlighting translucent materials like onyx countertops, acrylic panels, or signage. Unlike color-changing versions, their purpose is to deliver a single, stable color of white light with high fidelity. Most of our sheets use high-density SMD2835 LEDs with a Color Rendering Index (CRI) over 90, so the colors of your surfaces look true and vibrant.
Sizing Your LED Backlight Panel: From Small Squares to Long Rolls
The right LED backlight panel size depends on your surface area and wiring plan. For smaller accents or fitting into tight arrays, we have compact square sheets like the 250mm x 250mm (9.8" x 9.8") panel. For larger areas, using a bigger panel like the 480mm x 240mm or even the 610mm x 305mm (24" x 12") sheet reduces the number of connections you need to make.
For truly large installations like long countertops or feature walls, our rollable LED sheets come in lengths up to 10 meters (32.8ft), providing seamless coverage from a single piece. Onboard connectors make splicing multiple panels straightforward.
Can these flexible LED sheets be cut to a custom shape?
Yes, our flexible white LED sheets are designed to be cut down to fit precise shapes. Each sheet is a matrix of small, independent circuits. For example, our 490x245mm sheet has 242 individual cut zones, and the 480x240mm model has 288. You can cut along the designated lines between these zones with scissors to trim the sheet around obstacles or match the contour of a custom countertop. This makes them a true flexible LED display solution for architectural lighting.
How to Power and Control Your LED White Lighting Sheets
All of our white LED sheet lights run on safe 24V DC power and are fully dimmable. You'll need a 24V DC power supply appropriately sized for the total wattage of the sheets you're using. To adjust brightness, you'll need to pair the sheets with a compatible dimmer or a dimmable LED driver. Our white LED sheet system supports multiple control methods, including PWM, 0-10V, and wireless options like WiFi, allowing you to integrate the backlight into almost any control system.
Frequently Asked Questions About White LED Backlight Sheets
Got a question about choosing or installing your backlighting? I've been answering these on the support desk for 12 years. Here are the common ones.
Even light. A white LED sheet is designed to give you a perfectly uniform, hotspot-free glow across a surface, which is crucial for backlighting materials like onyx or acrylic. An LED strip is great for linear lighting, like in a cove, but can create noticeable lines or dots if you're trying to light a panel from behind. Sheets LED lights cover an area; strips LED lights cover a length.
Match the light to your stone's tone. For countertops with warm, earthy colors like many granites, a warm white from 2200K to 3000K looks best. For pure white quartz or modern materials, a neutral white around 4000K gives a clean, natural look. We have a guide explaining the differences in white light if you want to see examples. It answers the common question of what the different colours of white light really look like.
The ideal distance is usually between 20mm and 50mm (about 3/4" to 2"). This gap allows the light to spread and diffuse, creating that smooth, even glow. For jobs needing a perfect, specific gap, our clear PC support pillars are made for exactly this. If your space is tighter, look at our sheets with optical lenses, which help diffuse the light at closer distances.
Simplicity and efficiency. If your goal is just clean, bright, high-quality white illumination for a countertop or sign, a single-color white LED sheet is the most direct and cost-effective way to do it. You don't need the more complex controllers that color-changing or tunable-white setups require.
It's all based on total wattage. Add up the watts for every sheet you plan to run. For example, if you have four 28W sheets, that's 112W total. You'll then need a power supply that can handle at least 20% more than that, so a 150W driver would be a safe choice. Overloading the power supply is a common mistake that will cause it to fail early.
Nine times out of ten, it's a bad connection. First, check that the connectors between sheets are pushed in all the way. If you've cut and soldered the sheets, a cold or cracked solder joint is the most likely culprit. Flickering can also mean your power supply is overloaded or there's an incompatibility between your dimmer and driver.
Yes, tiling a bunch of small sheets is a huge pain for wiring and creates too many potential points of failure. This is exactly why we developed our rollable large LED sheets. It can cover up to 25.5 square feet in a single, continuous piece. This massively cuts down on installation time and complexity for large-scale projects like feature walls, bars, or ceiling panels.