LED Light Box Acrylic Sheets – 30% Brighter, No Hot Spots | Backlit Sign Grade PMMA
$1.2 available: In StockQuick Overview: Zhejiang Yifang New Materials, with 20 years of production and processing, international standards, and a daily output of 70 tons.
LED Light Box Acrylic Sheets – 30% Brighter, No Hot Spots | Backlit Sign Grade PMMA
Engineered specifically for LED backlighting. Our sign-grade acrylic sheets deliver uniform illumination, zero yellowing, and laser-cut polished edges. The #1 choice for light boxes, channel letters, and backlit displays. Factory direct. Get a free sample and see the difference.
Acrylic Sheets Built for Light
Not all acrylic is created equal. Standard sheets work fine for windows and guards—but when you're building LED light boxes, illuminated signs, or backlit displays, you need material engineered for optical performance under light.
Our Sign-Grade Acrylic Sheets are formulated with a higher refractive index and optimized light-diffusion structure. The result? Up to 30% brighter output than commodity acrylic, with perfectly even illumination and zero "hot spots" (those ugly bright dots behind the face).
Trusted by sign makers, retail brands, and display fabricators in 30+ countries.
Why Sign Makers Choose Our Light-Box Acrylic
30% Higher Light Transmission
Standard clear acrylic transmits ~92% of visible light. Our optical-grade formulation pushes that even further while maintaining a neutral white temperature (no blue or yellow tint). Your LEDs work less, your sign shines more.
No Hot Spots. Ever.
Proprietary diffusion technology eliminates the "dot matrix" effect. Whether you're using edge-lit LED strips or back-lit modules, the light spreads uniformly across the entire surface. No bright bands. No dark corners.
Heat-Resistant for High-Power LEDs
Modern LED modules run hot. Our sign-grade PMMA is formulated to withstand continuous temperatures up to 85°C without warping or discoloring—critical for sealed light boxes with high-density LED arrays.
Laser-Cut Edges That Glow
Cast acrylic produces a flame-polished, crystal-clear edge straight from the laser. In edge-lit applications, this edge becomes your light guide—no sanding, no flame-polishing, no extra labor.
Opaque & Translucent Colors That Pop
White isn't your only option. Our backlit acrylic comes in:
Frosted/Opal: The industry standard for even diffusion
Translucent Colors: Red, blue, green, amber—glows vibrantly when backlit, looks rich and deep when off
Day-Night Acrylic: One color by day, a different glow by night (e.g., dark red face → bright pink glow)
UV-Stable – No Yellowing Guarantee
We back our sign-grade acrylic with a 10-year limited warranty against yellowing for outdoor applications. The UV absorbers are built into the polymer chain—not just a surface coating that wears off.
| product type | pet、ps、acrylic、acrylic mirror、pvc sheet,acrylic sheet |
| thickness | 0.35-300mm |
| Styles | 1220*2440,1220*1830,500*900,50*60,960*1950,700*900/Customization of various specifications and sizes |
| delivery time | 5-8day |
| manufacture | Yifang |
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