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. 31, 2019
Filed:
Mar. 31, 2015
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sunil Kim, Seoul, KR;
Chilsung Choi, Suwon-si, KR;
Jungkwuen An, Cheonan-si, KR;
Alexander V. Morozov, Moscow area, RU;
Hongseok Lee, Seongnam-si, KR;
Andrey N. Putilin, Moscow, RU;
German B. Dubinin, Moscow area, RU;
Sergey E. Dubynin, Moscow, RU;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
Provided are a backlight unit and a holographic display including the same. The backlight unit may include: a light guide plate; a light source unit configured to adjust a direction of light which is emitted from the light source unit and incident on the light guide plate; and a diffraction device which is disposed on the light guide plate and configured to control a direction of light emitted from the light guide plate.