Take the example of a guideboard sign. Adopting Omron’s aerial imaging technology for this sign will enable an arrow, which previously was just presented on a plane, to be displayed three-dimensionally in an open space. This means that hard-to-understand instructions like “Walk up the stairs in the back” can be understood by anyone at a glance. Also, a display (image) created by light is safe and unobtrusive even though it appears to be floating in air.
Here’s how the technology works. Light from a light-emitting diode (LED) passes through a transparent plate embedded with tens of thousands of Fresnel lenses, which are special lenses that can alter the light beam angle. In this way, light is refracted to produce an image in the upper air above the plate. This results in the projection of 3D images. Using this technology can add extra information (benefits and convenience) to a variety of objects in the real world. Moreover, all you need for aerial imaging is one LED and one transparent plate. With these components, 3D images can be easily projected virtually anywhere. In fact, the possible applications of aerial imaging expand almost limitlessly.