Beijing, China - "Holography" comes from the Latin vocabulary, and its meaning is: all, compound. According to the current common knowledge in mainstream technology filed, holography specifically refers to "holographic technology", which is a technology for reproducing diffracted light emitted by objects. The holographic technology uses the principle of interference to record the light wave messages of the object, and uses the principle of diffraction to reproduce the light wave messages of the object, helping users to store all the light information of the object.