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:
Aug. 26, 2025
Filed:
Oct. 20, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Aleksandr Evgenyevich Angervaks, St. Petersburg, RU;
Nikolay Viktorovich Muravyev, Podolsk, RU;
Vladimir Nikolaevich Borisov, St. Petersburg, RU;
Roman Aleksandrovich Okun, St. Petersburg, RU;
Gavril Nikolaevich Vostrikov, Moscow, RU;
Mikhail Vyacheslavovich Popov, Krasnogorsk, RU;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Provided is a waveguide guiding light to a target area, the waveguide including an input-coupling diffractive optical element (DOE) inputting the light into the waveguide, an expanding DOE expanding the light input into the waveguide through the input-coupling DOE, an output-coupling DOE outputting the light expanded in the waveguide by the expanding DOE to an outside of the waveguide, wherein the expanding DOE includes a plurality of expanding segments, and the output-coupling DOE includes a plurality of output-coupling segments.