The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
May. 19, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Aleksandr Evgenyevich Angervaks, St. Petersburg, RU;
Roman Aleksandrovich Okun, St. Petersburg, RU;
Gavril Nikolaevich Vostrikov, Moscow, RU;
Nikolay Viktorovich Muravev, Podolsk, RU;
Vladimir Nikolaevich Borisov, St. Petersburg, RU;
Mikhail Vyacheslavovich Popov, Krasnogorsk, RU;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method and systems for simultaneous recording of superimposed holographic gratings for augmented reality devices are provided. The method includes: generating a beam by a single light source, directing the beam to a decoherence unit at a predetermined angle, forming at least two recording beams by the decoherence unit by splitting the beam, forming at least two recording channels in the decoherence unit to transmit the at least two recording beams and output them from the decoherence unit, output angles of each of the at least two recording beams being different, illuminating a recording material layer and one master diffractive optical element/master holographic optical element (master DOE/HOE) comprising at least one preliminary formed diffraction/holographic grating by the at least two non-interfering recording beams, simultaneously forming at least two superimposed holographic gratings from the master DOE/HOE on or in the recording material layer.