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:
Apr. 21, 2020
Filed:
Oct. 01, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyunjoon Kim, Seoul, KR;
Joonyong Park, Suwon-si, KR;
Bongsu Shin, Seoul, KR;
Dongouk Kim, Pyeongtaek-si, KR;
Jihyun Bae, Seoul, KR;
Dongsik Shim, Hwaseong-si, KR;
SungHoon Lee, Seoul, KR;
Jaeseung Chung, Suwon-si, KR;
Seogwoo Hong, Yongin-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A directional backlight unit, a three-dimensional (3D) image display apparatus, and a 3D image displaying method are provided. The directional backlight unit includes a light guide plate having an emission surface on which a plurality of grating elements including first and second groups of grating elements are provided. The plurality of grating elements are arranged such that light beams emitted from the first and second groups of grating elements commonly propagate through a plurality of pixel points and respectively form first and second groups of view points of which corresponding regions do not overlap with each other.