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:
Jul. 18, 2023
Filed:
Nov. 06, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Andrey N. Putilin, Moscow, RU;
Aleksander V. Morozov, Podolskiy district, RU;
Vladislav V. Druzhin, Moscow, RU;
Sergey E. Dubynin, Moscow, RU;
Kseniia I. Lvova, Velikie Luki, RU;
Polina I. Malinina, Moscow, RU;
Sergey S. Kopenkin, Moscow, RU;
Yurii P. Borodin, Moscow, RU;
Anastasiia S. Perevoznikova, Izhevsk, RU;
Bongsu Shin, Seoul, KR;
Sunil Kim, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Provided is a device configured to enlarge an exit pupil area of a visual optical apparatus, the device including a diffraction grating configured to output a plurality of diffracted light beams of a plurality of diffraction orders by diffracting an incident light beam, and a waveguide provided on the diffraction grating and configured to form an exit pupil based on a first diffracted light beam among the plurality of diffracted light beams output from the diffraction grating and to form exit pupil orders based on a second diffracted light beam among the plurality of diffracted light beams output from the diffraction grating.