VALIKIY 19.3″ × 9.6″ LED Backlight Sheet Review — Perfect for Backlit Translucent Countertops

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If you’re designing a luxurious backlit countertop — whether using quartz, onyx, marble, or another translucent stone — the VALIKIY 19.3″ × 9.6″ LED Backlight Sheet offers a brilliant solution. This flexible, cuttable sheet delivers strong, even illumination, with color rendering high enough to highlight the natural beauty of stone. It’s designed to be integrated behind countertops or stone slabs, adding a premium glow that transforms any space.

2. Product Overview

  • Model: VALIKIY LED Backlight Sheet (VL‑FLS36W series)
  • Dimensions: 19.3″ (490 mm) × 9.6″ (245 mm)
  • Power: 36 W (per sheet) at 24V DC
  • Light Output: ~3600 lumens per sheet
  • LED Count: 242 premium 2835 LEDs per sheet
  • Color Temperature Options: 3000K (warm white) and 6000K (daylight)
  • Color Rendering Index (CRI): 95+
  • Cutting Unit: Can be cut every ~22 mm (about 0.87 in)
  • Mounting: 3M adhesive + mounting screws + silicone bumpers
  • Lifespan: Over 50,000 hours
  • Operating Temp: -20 °C to 45 °C
  • Warranty: 3-year unlimited manufacturer’s warranty

3. Design & Build Quality

The sheet is ultra-thin (about 0.87 in at cut lines) and flexible enough to adapt to various shapes. Despite its thin profile, it delivers uniform brightness thanks to the high-density layout of LEDs. It’s backed with 3M adhesive and also provides holes for screw mounting, giving flexibility depending on your installation preference.

With such a compact design, it fits behind stone slabs while maintaining good thermal performance. The high CRI ensures that the natural patterns and veining in translucent materials are rendered accurately.

4. Key Features & Capabilities

  • High Brightness: Delivers 3600 lumens per sheet — bright enough to backlight stone surfaces effectively.
  • Color Accuracy: CRI 95+ means colors and textures of natural stone appear true-to-life under this lighting.
  • Cuttable: You can trim the sheet to precisely fit around sinks, cutouts, or custom stone shapes.
  • Flexible Layout: It supports cut + connect, allowing daisy-chaining of multiple sheets for larger installations.
  • Easy Mounting: Comes with both adhesive and screw options for secure attachment.
  • Power Flexibility: Compatible with standard 24V DC LED power supplies.
  • Long Life: Designed to offer more than 50,000 hours of operation.

5. Performance & Ideal Use Cases

  • Backlit Countertops: Ideal for translucent quartz, onyx, or marble countertops where you want a glowing, high-end look.
  • Custom Bars / Islands: Backlighting an island with this sheet can create a stunning focal point.
  • Accent Walls: Use behind semi-translucent wall panels to bring a soft, uniform glow.
  • Display Areas: Great for showcases or retail counters where illuminated stone adds value.

6. Pros & Cons

Pros:

  • High brightness output
  • Excellent color fidelity (CRI 95+)
  • Flexible and customizable layout thanks to cut and connect feature
  • Secure mounting with adhesive or screws
  • Long service life
  • 3-year warranty for peace of mind

Cons:

  • Requires a 24V DC power supply (not included)
  • IP20: designed primarily for dry, indoor environments — not suitable for direct exposure to water
  • Thinner or very translucent materials might show light spots — testing is recommended for very thin stone
  • Requires careful planning of layout and wiring for seamless illumination

7. Installation Tips

  1. Measure & Plan: Before installing stone, sketch where the sheets will go and how they will connect.
  2. Choose Power Supply Wisely: Get a reliable 24V DC driver that can handle the total wattage of all sheets.
  3. Mount Securely: Use adhesive for smooth surfaces or screws + bumpers for more permanent setups.
  4. Cut Carefully: Only cut at the marked cut lines (every ~22 mm) to avoid damaging the circuit.
  5. Test Before Final Assembly: Power on the LED sheets to check for uniform lighting and correct brightness before sealing everything in.

8. Final Verdict

The VALIKIY 19.3″ × 9.6″ LED Backlight Sheet (36W) is a top-tier choice for anyone looking to bring out the natural beauty of translucent stone through backlighting. With strong light output, true color rendering, and a flexible form factor, it’s perfect for high-end kitchen islands, bars, and architectural stone features.

If you’re designing a countertop or wall that makes a statement, this backlight sheet is a highly practical and visually impressive option.

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