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:
Sep. 05, 2017
Filed:
Nov. 14, 2013
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kyoung-seok Pyun, Seoul, KR;
Chil-sung Choi, Suwon-si, KR;
Alexander Morozov, Moscow region, RU;
Jung-kwuen An, Cheonan-si, KR;
Sun-il Kim, Seoul, KR;
Ivan Bovsunovskiy, Moscow, RU;
Andrew Putilin, Moscow, RU;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
An optical head for a hologram optical apparatus and a method of operating the same are provided. The optical head for the hologram optical apparatus includes a reference light unit for guiding reference light, a signal light unit for guiding signal light, and a light source unit for providing 1 the reference light and the signal light to the reference light unit and the signal light unit, wherein the reference light unit and the signal light unit are stacked. The signal light unit includes: a plurality of optical waveguides stacked sequentially; composite hologram optical elements and lighting hologram optical elements disposed on the plurality of optical waveguides; an optical modulator for modulating light output from the plurality of the optical waveguides; and a lens for condensing light output from the optical modulator onto a recording layer.