Imagine watching a 3D movie on your smartphone without wearing any glasses or holding a holographic video call with your friends across the globe. Sounds like science fiction, right? Well, not anymore. Thanks to the advances in holographic technology, these scenarios could soon become reality.

Holograms are three-dimensional images that are created by the interference of light waves. Unlike conventional 2D displays, holograms offer a realistic representation of the 3D world around us, with changing perspectives and focal depths. Holograms can also enhance the interactivity and immersion of virtual reality and augmented reality applications.

However, creating and displaying holograms is not an easy task. It requires a lot of computational power and sophisticated optical components. That’s why most of the existing holographic displays are bulky, expensive, and limited in viewing angles.

But what if you could have a holographic display on your smartphone? A device that is portable, affordable, and capable of projecting high-resolution 3D images in mid-air. A device that could revolutionize the way we communicate, entertain, and learn.

This is the vision of some researchers and companies who are working on developing futuristic 3D projector smartphones. These devices use various techniques to generate and project holograms from the smartphone screen or a built-in projector. Some of the examples are:

  • Tensor holography: A method developed by MIT researchers that uses artificial intelligence to produce holograms in real-time. The method is so efficient that it can run on a smartphone and enable the creation of holograms for virtual reality, 3D printing, medical imaging, and more.
  • Hologram fan display: A device that uses a rotating fan with LED lights to create a 3D illusion of images floating in the air. These devices can be used for advertising, entertainment, or education purposes and are visible from any angle.
  • Projector smartwatch: A prototype developed by Carnegie Mellon University and ASU Tech that integrates a projector into a smartwatch. The projector can turn the wearer’s arm into a touchscreen and display 3D content on the skin or other surfaces.
  • Holographic video screen: A display developed by Samsung researchers that uses a thin film of reflective metasurface to create 3D holograms. The display can show high-resolution 3D videos that can be viewed from a variety of angles and could be made thin enough to be incorporated into a smartphone.
  • Holographic chip: A technology developed by Ostendo Technologies Inc. that uses miniature projectors to emit glasses-free 3D images from a smartphone. The technology can also create holographic videos that can be seen by multiple viewers at the same time.

These are just some of the examples of the emerging technologies that could make 3D projector smartphones a reality in the near future. These devices could offer a new dimension of mobile experience, with endless possibilities and applications. Imagine playing 3D games, watching 3D movies, or learning 3D models with your smartphone. Imagine having a holographic assistant, a holographic map, or a holographic keyboard on your smartphone. Imagine the future of mobile communication, entertainment, and education with 3D projector smartphones.

By Harry