Holographic helmet This article is not about "holography" and its derivative technology!

Note: Holographic display technology does not refer to holography or holography invented by dennis gabor in 1956. It is the next generation display technology to project three-dimensional images in three-dimensional space (images are physically "three-dimensional" rather than purely visually "three-dimensional").

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holography

The photography method invented by dennis gabor can print photos from multiple angles, but there is an angle limit. Many anti-counterfeiting signs are made of holographic images.

The front projection holographic display can also be broadly regarded as a kind of holographic image, but the so-called holographic image is only projected on a transparent "holographic plate". Therefore, the so-called holographic image is just a plane rather than a three-dimensional image. This is the most widely used holographic technology at present.

Holographic display (holographic display)

Holographic imaging technology, which is still under study, often appears in science fiction works. In order to create a physically pure three-dimensional image, the audience can observe and even enter the image from different angles without restriction.

Most of the content of this entry has nothing to do with the concept of "holography", it is "augmented reality" technology.