INFORMATION DISPLAY DEVICE USING VOLUME HOLOGRAMS Russian patent published in 2023 - IPC G02B27/01 

Abstract RU 2794409 C1

FIELD: displaying digital information.

SUBSTANCE: devices for displaying digital information for personal use using holograms. Device for projecting a digital image onto the retina contains at least one projector with a control unit, one optical element for redirecting radiation from the projector and forming an image in the area of the off-axis volume hologram, one off-axis volume hologram and one axial volume hologram. The off-axis volumetric hologram is configured with the possibility of angular redirection of radiation and changes in the angular divergence of radiation. The axial volumetric hologram is made with the possibility of converting beams of rays diverging from a certain plane into flat ones.

EFFECT: projector is configured to form a real image by scanning a laser beam in two planes using a MEMS mirror and with the ability to control image parameters using a connected control unit.

1 cl, 6 dwg

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RU 2 794 409 C1

Authors

Kalinina Anastasiya Andreevna

Putilin Andrej Nikolaevich

Dates

2023-04-17Published

2022-02-24Filed