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. 29, 2020
Filed:
Jul. 19, 2017
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sunghoon Lee, Seoul, KR;
Dongouk Kim, Pyeongtaek-si, KR;
Joonyong Park, Suwon-si, KR;
Jihyun Bae, Seoul, KR;
Hoon Song, Yongin-si, KR;
Bongsu Shin, Seoul, KR;
Dongsik Shim, Hwaseong-si, KR;
Jaeseung Chung, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A backlight unit for a three-dimensional (3D) image display includes a light guiding plate configured to guide light; a light source configured to emit the light to the light guiding plate; and a diffraction grating structure provided on a surface of the light guiding plate, the diffraction grating structure configured to diffract the light emitted from the surface of the light guiding plate, and including diffracting gratings having different heights.