WAVEGUIDE ARCHITECTURE BASED ON DIFFRACTIVE OPTICAL ELEMENTS FOR AUGMENTED REALITY DISPLAYS WITH WIDE FIELD OF VIEW Russian patent published in 2021 - IPC G02B27/01 

Abstract RU 2752296 C1

FIELD: augmented reality devices.

SUBSTANCE: waveguide with an architecture of diffraction optical elements contains an input diffraction element, including the first linear diffraction optical element of the input diffraction element and the second linear diffraction optical element of the input diffraction element; the first multiplying diffraction element and the second multiplying diffraction element; the output diffraction element. The input diffraction element is made with the possibility of dividing the image from the projector into the color components of the image, red, green, and blue ones, and the direction of the rays of each of the color components through the corresponding set of diffraction elements.

EFFECT: invention allows for a full-color image with a wide field of view using a single waveguide, provides a wide field of view with a small thickness, and increases the resolution.

17 cl, 13 dwg

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RU 2 752 296 C1

Authors

Angervaks Aleksandr Evgenyevich

Muravyev Nikolay Viktorovich

Borisov Vladimir Nikolaevich

Okun Roman Aleksandrovich

Vostrikov Gavril Nikolaevich

Popov Mikhail Vyacheslavovich

Dates

2021-07-26Published

2020-10-08Filed