High-output LED backlit panels for large-format illumination of onyx walls, stone slabs, translucent displays, and architectural features. Unlike edge-lit acrylic panels, our backlit panels mount LED bars directly across the aluminum surface — delivering superior brightness and perfectly even light distribution regardless of panel size. Custom-made to any dimension, no size limit. Single color (6500K, 4100K, 3500K) and RGB options. Dimmable, plug-in or hardwire. Requires a minimum 2" gap behind the material for single-color, 3" for RGB. CSA/UL certified, made in Canada, ships duty-free to the United States. Applications: Full-height onyx walls · Large stone backlighting · Retail feature walls · Museum displays · Architectural installations Why choose Prime Light Boxes backlit panels: LED bars throughout the panel — no edge shadows at any size Available in any custom dimension Superior brightness for large-format applications 3-year warranty · CSA/UL approved · Ships in 1–3 weeks