A lightbox sign is a type of illuminated sign that typically consists of a translucent panel, a light source (such as LED or fluorescent lights), and graphics or text. The panel is usually made of acrylic, and the graphics or text are printed on a vinyl film that is applied to the panel.

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The light source is placed behind the panel, which allows the graphics or text to be illuminated, making them more visible and eye-catching. Lightbox signs are often used for advertising and branding purposes, and they can be installed both indoors and outdoors.

Lightbox signs are popular in retail environments, such as malls and storefronts, as they can effectively grab the attention of potential customers and increase foot traffic. They are also used in airports, hospitals, and other public spaces to provide information and directions.

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There are several different types of lightbox signs that are commonly used in different applications. Here are some of the most common types:

1. Single-sided lightbox sign: This is the most common type of lightbox sign, where the graphics or text are printed on one side of the translucent panel and illuminated from behind.

2. Double-sided lightbox sign: In this type, the graphics or text are printed on both sides of the panel, allowing the sign to be visible from both directions.

3. Edge-lit lightbox sign: Instead of having the light source behind the panel, the light is directed from the edge of the panel through a special diffusing material, resulting in a thinner and more modern look.

4. Backlit graphics lightbox sign: This type of lightbox sign uses a printed translucent film or fabric that is stretched over the lightbox frame, allowing the graphics to be illuminated from behind.

5. LED frameless fabric lightbox sign: This is a modern type of lightbox sign that uses an LED light source to illuminate a printed fabric graphic that is stretched over a frameless structure, resulting in a sleek and minimalist look.

6. Snap frame lightbox sign: This type of lightbox sign uses a snap frame around the edge of the panel, allowing for easy and quick graphic changes.

7. 3D lightbox sign, also known as a intracut or push-through Light box sign is a type of illuminated Lighbox sign that creates a 3-dimensional effect by using a combination of translucent materials like opal acrylic and polycarbonate for backlighting.